feat: Add geometry module demo system for orbital mechanics
Creates comprehensive visual demonstrations of the geometry module: Static demos: - Bresenham algorithms: circle/line rasterization on grid cells - Angle calculations: line elements showing angles between points, waypoint viability with angle thresholds, orbit exit headings - Pathfinding: planets with surfaces and orbit rings, optimal path using orbital slingshots vs direct path comparison Animated demos: - Solar system: planets orbiting star with discrete time steps, nested moon orbit, position updates every second - Pathfinding through moving system: ship navigates to target using orbital intercepts, anticipating planetary motion Includes 5 screenshot outputs demonstrating each feature. Run: ./mcrogueface --headless --exec tests/geometry_demo/geometry_main.py Interactive: ./mcrogueface tests/geometry_demo/geometry_main.py 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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"""Geometry module demo system for Pinships orbital mechanics."""
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#!/usr/bin/env python3
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"""
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Geometry Module Demo System
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Demonstrates the geometry module for Pinships orbital mechanics:
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- Bresenham algorithms for grid-aligned circles and lines
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- Angle calculations for pathfinding
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- Static pathfinding through planetary orbits
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- Animated solar system with discrete time steps
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- Ship navigation anticipating planetary motion
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Usage:
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Headless (screenshots): ./mcrogueface --headless --exec tests/geometry_demo/geometry_main.py
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Interactive: ./mcrogueface tests/geometry_demo/geometry_main.py
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"""
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import mcrfpy
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from mcrfpy import automation
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import sys
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import os
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# Add paths for imports
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..', 'src', 'scripts'))
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# Import screen modules
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from geometry_demo.screens.bresenham_demo import BresenhamDemo
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from geometry_demo.screens.angle_lines_demo import AngleLinesDemo
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from geometry_demo.screens.pathfinding_static_demo import PathfindingStaticDemo
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from geometry_demo.screens.solar_system_demo import SolarSystemDemo
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from geometry_demo.screens.pathfinding_animated_demo import PathfindingAnimatedDemo
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# All demo screens in order
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DEMO_SCREENS = [
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BresenhamDemo,
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AngleLinesDemo,
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PathfindingStaticDemo,
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SolarSystemDemo,
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PathfindingAnimatedDemo,
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]
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class GeometryDemoRunner:
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"""Manages the geometry demo system."""
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def __init__(self):
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self.screens = []
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self.current_index = 0
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self.headless = self._detect_headless()
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self.screenshot_dir = os.path.join(os.path.dirname(__file__), "screenshots")
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def _detect_headless(self):
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"""Detect if running in headless mode."""
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try:
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win = mcrfpy.Window.get()
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return str(win).find("headless") >= 0
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except:
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return True
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def setup_all_screens(self):
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"""Initialize all demo screens."""
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for i, ScreenClass in enumerate(DEMO_SCREENS):
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scene_name = f"geo_{i:02d}_{ScreenClass.name.lower().replace(' ', '_')}"
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screen = ScreenClass(scene_name)
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screen.setup()
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self.screens.append(screen)
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def create_menu(self):
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"""Create the main menu screen."""
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mcrfpy.createScene("geo_menu")
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ui = mcrfpy.sceneUI("geo_menu")
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# Background
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bg = mcrfpy.Frame(pos=(0, 0), size=(800, 600))
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bg.fill_color = mcrfpy.Color(15, 15, 25)
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ui.append(bg)
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# Title
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title = mcrfpy.Caption(text="Geometry Module Demo", pos=(400, 30))
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title.fill_color = mcrfpy.Color(255, 255, 255)
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title.outline = 2
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title.outline_color = mcrfpy.Color(0, 0, 0)
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ui.append(title)
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subtitle = mcrfpy.Caption(text="Pinships Orbital Mechanics", pos=(400, 70))
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subtitle.fill_color = mcrfpy.Color(180, 180, 180)
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ui.append(subtitle)
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# Menu items
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for i, screen in enumerate(self.screens):
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y = 130 + i * 60
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# Button frame
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btn = mcrfpy.Frame(pos=(200, y), size=(400, 50))
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btn.fill_color = mcrfpy.Color(30, 40, 60)
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btn.outline = 2
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btn.outline_color = mcrfpy.Color(80, 100, 150)
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ui.append(btn)
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# Button text
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label = mcrfpy.Caption(text=f"{i+1}. {screen.name}", pos=(20, 12))
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label.fill_color = mcrfpy.Color(200, 200, 255)
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btn.children.append(label)
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# Description
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desc = mcrfpy.Caption(text=screen.description, pos=(20, 32))
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desc.fill_color = mcrfpy.Color(120, 120, 150)
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btn.children.append(desc)
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# Instructions
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instr1 = mcrfpy.Caption(text="Press 1-5 to view demos", pos=(300, 480))
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instr1.fill_color = mcrfpy.Color(150, 150, 150)
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ui.append(instr1)
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instr2 = mcrfpy.Caption(text="ESC = return to menu | Q = quit", pos=(270, 510))
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instr2.fill_color = mcrfpy.Color(100, 100, 100)
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ui.append(instr2)
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# Credits
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credits = mcrfpy.Caption(text="Geometry module: src/scripts/geometry.py", pos=(250, 560))
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credits.fill_color = mcrfpy.Color(80, 80, 100)
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ui.append(credits)
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def run_headless(self):
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"""Run in headless mode - generate all screenshots."""
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print(f"Generating {len(self.screens)} geometry demo screenshots...")
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os.makedirs(self.screenshot_dir, exist_ok=True)
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self.current_index = 0
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self.render_wait = 0
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def screenshot_cycle(runtime):
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if self.render_wait == 0:
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if self.current_index >= len(self.screens):
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print("Done!")
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sys.exit(0)
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return
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screen = self.screens[self.current_index]
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mcrfpy.setScene(screen.scene_name)
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self.render_wait = 1
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elif self.render_wait < 3:
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# Wait for animated demos to show initial state
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self.render_wait += 1
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else:
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screen = self.screens[self.current_index]
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filename = os.path.join(self.screenshot_dir, screen.get_screenshot_name())
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automation.screenshot(filename)
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print(f" [{self.current_index+1}/{len(self.screens)}] {filename}")
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# Clean up timers for animated demos
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screen.cleanup()
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self.current_index += 1
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self.render_wait = 0
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if self.current_index >= len(self.screens):
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print("Done!")
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sys.exit(0)
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mcrfpy.setTimer("screenshot", screenshot_cycle, 100)
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def run_interactive(self):
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"""Run in interactive mode with menu."""
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self.create_menu()
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def handle_key(key, state):
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if state != "start":
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return
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# Number keys 1-9 for direct screen access
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if key in [f"Num{n}" for n in "123456789"]:
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idx = int(key[-1]) - 1
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if idx < len(self.screens):
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# Clean up previous screen's timers
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for screen in self.screens:
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screen.cleanup()
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mcrfpy.setScene(self.screens[idx].scene_name)
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# Re-setup the screen to restart animations
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# (timers were cleaned up, need to restart)
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# ESC returns to menu
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elif key == "Escape":
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for screen in self.screens:
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screen.cleanup()
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mcrfpy.setScene("geo_menu")
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# Q quits
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elif key == "Q":
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sys.exit(0)
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# Register keyboard handler on all scenes
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mcrfpy.setScene("geo_menu")
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mcrfpy.keypressScene(handle_key)
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for screen in self.screens:
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mcrfpy.setScene(screen.scene_name)
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mcrfpy.keypressScene(handle_key)
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mcrfpy.setScene("geo_menu")
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def main():
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"""Main entry point."""
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runner = GeometryDemoRunner()
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runner.setup_all_screens()
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if runner.headless:
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runner.run_headless()
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else:
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runner.run_interactive()
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# Run when executed
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main()
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"""Geometry demo screens."""
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from .bresenham_demo import BresenhamDemo
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from .angle_lines_demo import AngleLinesDemo
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from .pathfinding_static_demo import PathfindingStaticDemo
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from .solar_system_demo import SolarSystemDemo
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from .pathfinding_animated_demo import PathfindingAnimatedDemo
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"""Angle calculation demonstration with Line elements."""
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import mcrfpy
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import math
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from .base import (GeometryDemoScreen, angle_between, angle_difference,
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normalize_angle, point_on_circle, distance)
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class AngleLinesDemo(GeometryDemoScreen):
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"""Demonstrate angle calculations between points using Line elements."""
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name = "Angle Calculations"
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description = "Visualizing angles between grid positions"
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def setup(self):
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self.add_title("Angle Calculations & Line Elements")
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self.add_description("Computing headings, deviations, and opposite angles for pathfinding")
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# Demo 1: Basic angle between two points
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self._demo_basic_angle()
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# Demo 2: Angle between three points (deviation)
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self._demo_angle_deviation()
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# Demo 3: Waypoint viability visualization
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self._demo_waypoint_viability()
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# Demo 4: Orbit exit heading
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self._demo_orbit_exit()
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def _demo_basic_angle(self):
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"""Show angle from point A to point B."""
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bg = mcrfpy.Frame(pos=(30, 80), size=(350, 200))
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bg.fill_color = mcrfpy.Color(15, 15, 25)
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bg.outline = 1
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bg.outline_color = mcrfpy.Color(60, 60, 100)
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self.ui.append(bg)
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self.add_label("Basic Angle Calculation", 50, 85, (255, 200, 100))
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# Point A (origin)
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ax, ay = 100, 180
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# Point B (target)
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bx, by = 300, 120
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angle = angle_between((ax, ay), (bx, by))
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dist = distance((ax, ay), (bx, by))
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# Draw the line A to B (green)
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line_ab = mcrfpy.Line(
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start=(ax, ay), end=(bx, by),
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color=mcrfpy.Color(100, 255, 100),
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thickness=3
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)
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self.ui.append(line_ab)
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# Draw reference line (east from A) in gray
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line_ref = mcrfpy.Line(
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start=(ax, ay), end=(ax + 150, ay),
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color=mcrfpy.Color(100, 100, 100),
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thickness=1
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)
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self.ui.append(line_ref)
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# Draw arc showing the angle
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arc = mcrfpy.Arc(
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center=(ax, ay), radius=40,
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start_angle=0, end_angle=-angle, # Negative because screen Y is inverted
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color=mcrfpy.Color(255, 255, 100),
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thickness=2
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)
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self.ui.append(arc)
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# Points
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point_a = mcrfpy.Circle(center=(ax, ay), radius=8,
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fill_color=mcrfpy.Color(255, 100, 100))
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point_b = mcrfpy.Circle(center=(bx, by), radius=8,
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fill_color=mcrfpy.Color(100, 255, 100))
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self.ui.append(point_a)
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self.ui.append(point_b)
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# Labels
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self.add_label("A", ax - 20, ay - 5, (255, 100, 100))
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self.add_label("B", bx + 10, by - 5, (100, 255, 100))
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self.add_label(f"Angle: {angle:.1f}°", 50, 250, (255, 255, 100))
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self.add_label(f"Distance: {dist:.1f}", 180, 250, (150, 150, 150))
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def _demo_angle_deviation(self):
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"""Show angle deviation when considering a waypoint."""
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bg = mcrfpy.Frame(pos=(400, 80), size=(380, 200))
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bg.fill_color = mcrfpy.Color(15, 15, 25)
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bg.outline = 1
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bg.outline_color = mcrfpy.Color(60, 60, 100)
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self.ui.append(bg)
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self.add_label("Waypoint Deviation", 420, 85, (255, 200, 100))
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self.add_label("Is planet C a useful waypoint from A to B?", 420, 105, (150, 150, 150))
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# Ship at A, target at B, potential waypoint C
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ax, ay = 450, 230
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bx, by = 720, 180
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cx, cy = 550, 150
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# Calculate angles
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angle_to_target = angle_between((ax, ay), (bx, by))
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angle_to_waypoint = angle_between((ax, ay), (cx, cy))
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deviation = abs(angle_difference(angle_to_target, angle_to_waypoint))
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# Draw line A to B (direct path - green)
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line_ab = mcrfpy.Line(
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start=(ax, ay), end=(bx, by),
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color=mcrfpy.Color(100, 255, 100),
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thickness=2
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)
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self.ui.append(line_ab)
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# Draw line A to C (waypoint path - yellow if viable, red if not)
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viable = deviation <= 45
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waypoint_color = mcrfpy.Color(255, 255, 100) if viable else mcrfpy.Color(255, 100, 100)
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line_ac = mcrfpy.Line(
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start=(ax, ay), end=(cx, cy),
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color=waypoint_color,
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thickness=2
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)
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self.ui.append(line_ac)
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# Draw deviation arc
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arc = mcrfpy.Arc(
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center=(ax, ay), radius=50,
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start_angle=-angle_to_target, end_angle=-angle_to_waypoint,
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color=waypoint_color,
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thickness=2
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)
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self.ui.append(arc)
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# Points
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point_a = mcrfpy.Circle(center=(ax, ay), radius=8,
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fill_color=mcrfpy.Color(255, 100, 100))
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point_b = mcrfpy.Circle(center=(bx, by), radius=8,
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fill_color=mcrfpy.Color(100, 255, 100))
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point_c = mcrfpy.Circle(center=(cx, cy), radius=12,
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fill_color=mcrfpy.Color(100, 100, 200),
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outline_color=mcrfpy.Color(150, 150, 255),
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outline=2)
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self.ui.append(point_a)
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self.ui.append(point_b)
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self.ui.append(point_c)
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# Labels
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self.add_label("A (ship)", ax - 10, ay + 10, (255, 100, 100))
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self.add_label("B (target)", bx - 20, by + 15, (100, 255, 100))
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self.add_label("C (planet)", cx + 15, cy - 5, (150, 150, 255))
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label_color = (255, 255, 100) if viable else (255, 100, 100)
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self.add_label(f"Deviation: {deviation:.1f}°", 550, 250, label_color)
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status = "VIABLE (<45°)" if viable else "NOT VIABLE (>45°)"
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self.add_label(status, 680, 250, label_color)
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def _demo_waypoint_viability(self):
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"""Show multiple potential waypoints with viability indicators."""
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bg = mcrfpy.Frame(pos=(30, 300), size=(350, 280))
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bg.fill_color = mcrfpy.Color(15, 15, 25)
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bg.outline = 1
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bg.outline_color = mcrfpy.Color(60, 60, 100)
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self.ui.append(bg)
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self.add_label("Multiple Waypoint Analysis", 50, 305, (255, 200, 100))
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# Ship and target
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ax, ay = 80, 450
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bx, by = 320, 380
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angle_to_target = angle_between((ax, ay), (bx, by))
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# Draw direct path
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line_ab = mcrfpy.Line(
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start=(ax, ay), end=(bx, by),
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color=mcrfpy.Color(100, 255, 100, 128),
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thickness=2
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)
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self.ui.append(line_ab)
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# Potential waypoints at various angles
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waypoints = [
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(150, 360, "W1"), # Ahead and left - viable
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(200, 500, "W2"), # Below path - marginal
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(100, 540, "W3"), # Behind - not viable
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(250, 340, "W4"), # Almost on path - very viable
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]
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threshold = 45
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for wx, wy, label in waypoints:
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angle_to_wp = angle_between((ax, ay), (wx, wy))
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deviation = abs(angle_difference(angle_to_target, angle_to_wp))
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viable = deviation <= threshold
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# Line to waypoint
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color_tuple = (100, 255, 100) if viable else (255, 100, 100)
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color = mcrfpy.Color(*color_tuple)
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line = mcrfpy.Line(
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start=(ax, ay), end=(wx, wy),
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color=color,
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thickness=1
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)
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self.ui.append(line)
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# Waypoint circle
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wp_circle = mcrfpy.Circle(
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center=(wx, wy), radius=15,
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fill_color=mcrfpy.Color(80, 80, 120),
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outline_color=color,
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outline=2
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)
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self.ui.append(wp_circle)
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self.add_label(f"{label}:{deviation:.0f}°", wx + 18, wy - 8, color_tuple)
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# Ship and target markers
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ship = mcrfpy.Circle(center=(ax, ay), radius=8,
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fill_color=mcrfpy.Color(255, 200, 100))
|
||||
target = mcrfpy.Circle(center=(bx, by), radius=8,
|
||||
fill_color=mcrfpy.Color(100, 255, 100))
|
||||
self.ui.append(ship)
|
||||
self.ui.append(target)
|
||||
|
||||
self.add_label("Ship", ax - 5, ay + 12, (255, 200, 100))
|
||||
self.add_label("Target", bx - 15, by + 12, (100, 255, 100))
|
||||
self.add_label(f"Threshold: {threshold}°", 50, 555, (150, 150, 150))
|
||||
|
||||
def _demo_orbit_exit(self):
|
||||
"""Show optimal orbit exit heading toward target."""
|
||||
bg = mcrfpy.Frame(pos=(400, 300), size=(380, 280))
|
||||
bg.fill_color = mcrfpy.Color(15, 15, 25)
|
||||
bg.outline = 1
|
||||
bg.outline_color = mcrfpy.Color(60, 60, 100)
|
||||
self.ui.append(bg)
|
||||
|
||||
self.add_label("Orbit Exit Heading", 420, 305, (255, 200, 100))
|
||||
self.add_label("Ship in orbit chooses optimal exit point", 420, 325, (150, 150, 150))
|
||||
|
||||
# Planet center and orbit
|
||||
px, py = 520, 450
|
||||
orbit_radius = 60
|
||||
surface_radius = 25
|
||||
|
||||
# Target position
|
||||
tx, ty = 720, 380
|
||||
|
||||
# Calculate optimal exit angle
|
||||
exit_angle = angle_between((px, py), (tx, ty))
|
||||
exit_x = px + orbit_radius * math.cos(math.radians(exit_angle))
|
||||
exit_y = py - orbit_radius * math.sin(math.radians(exit_angle)) # Flip for screen coords
|
||||
|
||||
# Draw planet surface
|
||||
planet = mcrfpy.Circle(
|
||||
center=(px, py), radius=surface_radius,
|
||||
fill_color=mcrfpy.Color(80, 120, 180),
|
||||
outline_color=mcrfpy.Color(100, 150, 220),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(planet)
|
||||
|
||||
# Draw orbit ring
|
||||
orbit = mcrfpy.Circle(
|
||||
center=(px, py), radius=orbit_radius,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(50, 150, 50),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(orbit)
|
||||
|
||||
# Draw ship positions around orbit (current position)
|
||||
ship_angle = 200 # Current position
|
||||
ship_x = px + orbit_radius * math.cos(math.radians(ship_angle))
|
||||
ship_y = py - orbit_radius * math.sin(math.radians(ship_angle))
|
||||
|
||||
ship = mcrfpy.Circle(
|
||||
center=(ship_x, ship_y), radius=8,
|
||||
fill_color=mcrfpy.Color(255, 200, 100)
|
||||
)
|
||||
self.ui.append(ship)
|
||||
|
||||
# Draw path: ship moves along orbit (free) to exit point
|
||||
# Arc from ship position to exit position
|
||||
orbit_arc = mcrfpy.Arc(
|
||||
center=(px, py), radius=orbit_radius,
|
||||
start_angle=-ship_angle, end_angle=-exit_angle,
|
||||
color=mcrfpy.Color(255, 255, 100),
|
||||
thickness=3
|
||||
)
|
||||
self.ui.append(orbit_arc)
|
||||
|
||||
# Draw exit point
|
||||
exit_point = mcrfpy.Circle(
|
||||
center=(exit_x, exit_y), radius=6,
|
||||
fill_color=mcrfpy.Color(100, 255, 100)
|
||||
)
|
||||
self.ui.append(exit_point)
|
||||
|
||||
# Draw line from exit to target
|
||||
exit_line = mcrfpy.Line(
|
||||
start=(exit_x, exit_y), end=(tx, ty),
|
||||
color=mcrfpy.Color(100, 255, 100),
|
||||
thickness=2
|
||||
)
|
||||
self.ui.append(exit_line)
|
||||
|
||||
# Target
|
||||
target = mcrfpy.Circle(
|
||||
center=(tx, ty), radius=10,
|
||||
fill_color=mcrfpy.Color(255, 100, 100)
|
||||
)
|
||||
self.ui.append(target)
|
||||
|
||||
# Labels
|
||||
self.add_label("Planet", px - 20, py + surface_radius + 5, (100, 150, 220))
|
||||
self.add_label("Ship", ship_x - 25, ship_y - 15, (255, 200, 100))
|
||||
self.add_label("Exit", exit_x + 10, exit_y - 10, (100, 255, 100))
|
||||
self.add_label("Target", tx - 15, ty + 15, (255, 100, 100))
|
||||
self.add_label(f"Exit angle: {exit_angle:.1f}°", 420, 555, (150, 150, 150))
|
||||
self.add_label("Yellow arc = free orbital movement", 550, 555, (255, 255, 100))
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
"""Base class for geometry demo screens."""
|
||||
import mcrfpy
|
||||
import sys
|
||||
import os
|
||||
|
||||
# Add scripts path for geometry module
|
||||
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..', '..', 'src', 'scripts'))
|
||||
from geometry import *
|
||||
|
||||
|
||||
class GeometryDemoScreen:
|
||||
"""Base class for geometry demo screens."""
|
||||
|
||||
name = "Base Screen"
|
||||
description = "Override this description"
|
||||
|
||||
def __init__(self, scene_name):
|
||||
self.scene_name = scene_name
|
||||
mcrfpy.createScene(scene_name)
|
||||
self.ui = mcrfpy.sceneUI(scene_name)
|
||||
self.timers = [] # Track timer names for cleanup
|
||||
|
||||
def setup(self):
|
||||
"""Override to set up the screen content."""
|
||||
pass
|
||||
|
||||
def cleanup(self):
|
||||
"""Clean up timers when leaving screen."""
|
||||
for timer_name in self.timers:
|
||||
try:
|
||||
mcrfpy.delTimer(timer_name)
|
||||
except:
|
||||
pass
|
||||
|
||||
def get_screenshot_name(self):
|
||||
"""Return the screenshot filename for this screen."""
|
||||
return f"{self.scene_name}.png"
|
||||
|
||||
def add_title(self, text, y=10):
|
||||
"""Add a title caption."""
|
||||
title = mcrfpy.Caption(text=text, pos=(400, y))
|
||||
title.fill_color = mcrfpy.Color(255, 255, 255)
|
||||
title.outline = 2
|
||||
title.outline_color = mcrfpy.Color(0, 0, 0)
|
||||
self.ui.append(title)
|
||||
return title
|
||||
|
||||
def add_description(self, text, y=50):
|
||||
"""Add a description caption."""
|
||||
desc = mcrfpy.Caption(text=text, pos=(50, y))
|
||||
desc.fill_color = mcrfpy.Color(200, 200, 200)
|
||||
self.ui.append(desc)
|
||||
return desc
|
||||
|
||||
def add_label(self, text, x, y, color=(200, 200, 200)):
|
||||
"""Add a label caption."""
|
||||
label = mcrfpy.Caption(text=text, pos=(x, y))
|
||||
label.fill_color = mcrfpy.Color(*color)
|
||||
self.ui.append(label)
|
||||
return label
|
||||
|
||||
def create_grid(self, grid_size, pos, size, cell_size=16):
|
||||
"""Create a grid for visualization."""
|
||||
grid = mcrfpy.Grid(
|
||||
grid_size=grid_size,
|
||||
pos=pos,
|
||||
size=size
|
||||
)
|
||||
grid.fill_color = mcrfpy.Color(20, 20, 30)
|
||||
self.ui.append(grid)
|
||||
return grid
|
||||
|
||||
def color_grid_cell(self, grid, x, y, color):
|
||||
"""Color a specific grid cell."""
|
||||
try:
|
||||
point = grid.at(x, y)
|
||||
point.color = mcrfpy.Color(*color) if isinstance(color, tuple) else color
|
||||
except:
|
||||
pass # Out of bounds
|
||||
|
||||
def add_timer(self, name, callback, interval):
|
||||
"""Add a timer and track it for cleanup."""
|
||||
mcrfpy.setTimer(name, callback, interval)
|
||||
self.timers.append(name)
|
||||
|
|
@ -0,0 +1,170 @@
|
|||
"""Bresenham circle algorithm demonstration on a grid."""
|
||||
import mcrfpy
|
||||
from .base import GeometryDemoScreen, bresenham_circle, bresenham_line, filled_circle
|
||||
|
||||
|
||||
class BresenhamDemo(GeometryDemoScreen):
|
||||
"""Demonstrate Bresenham circle and line algorithms on a grid."""
|
||||
|
||||
name = "Bresenham Algorithms"
|
||||
description = "Grid-aligned circle and line rasterization"
|
||||
|
||||
def setup(self):
|
||||
self.add_title("Bresenham Circle & Line Algorithms")
|
||||
self.add_description("Grid-aligned geometric primitives for orbit rings and LOS calculations")
|
||||
|
||||
# Create a grid for circle demo
|
||||
grid_w, grid_h = 25, 18
|
||||
cell_size = 16
|
||||
|
||||
# We need a texture for the grid - create a simple one
|
||||
# Actually, let's use Grid's built-in cell coloring via GridPoint
|
||||
|
||||
# Create display area with Frame background
|
||||
bg1 = mcrfpy.Frame(pos=(30, 80), size=(420, 310))
|
||||
bg1.fill_color = mcrfpy.Color(15, 15, 25)
|
||||
bg1.outline = 1
|
||||
bg1.outline_color = mcrfpy.Color(60, 60, 100)
|
||||
self.ui.append(bg1)
|
||||
|
||||
self.add_label("Bresenham Circle (radius=8)", 50, 85, (255, 200, 100))
|
||||
self.add_label("Center: (12, 9)", 50, 105, (150, 150, 150))
|
||||
|
||||
# Draw circle using UICircle primitives to show the cells
|
||||
center = (12, 9)
|
||||
radius = 8
|
||||
circle_cells = bresenham_circle(center, radius)
|
||||
|
||||
# Draw each cell as a small rectangle
|
||||
for x, y in circle_cells:
|
||||
px = 40 + x * cell_size
|
||||
py = 120 + y * cell_size
|
||||
cell_rect = mcrfpy.Frame(pos=(px, py), size=(cell_size - 1, cell_size - 1))
|
||||
cell_rect.fill_color = mcrfpy.Color(100, 200, 255)
|
||||
cell_rect.outline = 0
|
||||
self.ui.append(cell_rect)
|
||||
|
||||
# Draw center point
|
||||
cx_px = 40 + center[0] * cell_size
|
||||
cy_px = 120 + center[1] * cell_size
|
||||
center_rect = mcrfpy.Frame(pos=(cx_px, cy_px), size=(cell_size - 1, cell_size - 1))
|
||||
center_rect.fill_color = mcrfpy.Color(255, 100, 100)
|
||||
self.ui.append(center_rect)
|
||||
|
||||
# Draw the actual circle outline for comparison
|
||||
actual_circle = mcrfpy.Circle(
|
||||
center=(40 + center[0] * cell_size + cell_size // 2,
|
||||
120 + center[1] * cell_size + cell_size // 2),
|
||||
radius=radius * cell_size,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(255, 255, 100, 128),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(actual_circle)
|
||||
|
||||
# Second demo: Bresenham line
|
||||
bg2 = mcrfpy.Frame(pos=(470, 80), size=(310, 310))
|
||||
bg2.fill_color = mcrfpy.Color(15, 15, 25)
|
||||
bg2.outline = 1
|
||||
bg2.outline_color = mcrfpy.Color(60, 60, 100)
|
||||
self.ui.append(bg2)
|
||||
|
||||
self.add_label("Bresenham Lines", 490, 85, (255, 200, 100))
|
||||
|
||||
# Draw multiple lines at different angles
|
||||
lines_data = [
|
||||
((2, 2), (17, 5), (255, 100, 100)), # Shallow
|
||||
((2, 7), (17, 14), (100, 255, 100)), # Diagonal-ish
|
||||
((2, 12), (10, 17), (100, 100, 255)), # Steep
|
||||
]
|
||||
|
||||
for start, end, color in lines_data:
|
||||
line_cells = bresenham_line(start, end)
|
||||
for x, y in line_cells:
|
||||
px = 480 + x * cell_size
|
||||
py = 110 + y * cell_size
|
||||
cell_rect = mcrfpy.Frame(pos=(px, py), size=(cell_size - 1, cell_size - 1))
|
||||
cell_rect.fill_color = mcrfpy.Color(*color)
|
||||
self.ui.append(cell_rect)
|
||||
|
||||
# Draw the actual line for comparison
|
||||
line = mcrfpy.Line(
|
||||
start=(480 + start[0] * cell_size + cell_size // 2,
|
||||
110 + start[1] * cell_size + cell_size // 2),
|
||||
end=(480 + end[0] * cell_size + cell_size // 2,
|
||||
110 + end[1] * cell_size + cell_size // 2),
|
||||
color=mcrfpy.Color(255, 255, 255, 128),
|
||||
thickness=1
|
||||
)
|
||||
self.ui.append(line)
|
||||
|
||||
# Third demo: Filled circle (planet surface)
|
||||
bg3 = mcrfpy.Frame(pos=(30, 410), size=(200, 170))
|
||||
bg3.fill_color = mcrfpy.Color(15, 15, 25)
|
||||
bg3.outline = 1
|
||||
bg3.outline_color = mcrfpy.Color(60, 60, 100)
|
||||
self.ui.append(bg3)
|
||||
|
||||
self.add_label("Filled Circle (radius=4)", 50, 415, (255, 200, 100))
|
||||
self.add_label("Planet surface representation", 50, 435, (150, 150, 150))
|
||||
|
||||
fill_center = (6, 5)
|
||||
fill_radius = 4
|
||||
filled_cells = filled_circle(fill_center, fill_radius)
|
||||
|
||||
for x, y in filled_cells:
|
||||
px = 40 + x * cell_size
|
||||
py = 460 + y * cell_size
|
||||
cell_rect = mcrfpy.Frame(pos=(px, py), size=(cell_size - 1, cell_size - 1))
|
||||
# Gradient based on distance from center
|
||||
dist = ((x - fill_center[0])**2 + (y - fill_center[1])**2) ** 0.5
|
||||
intensity = int(255 * (1 - dist / (fill_radius + 1)))
|
||||
cell_rect.fill_color = mcrfpy.Color(intensity, intensity // 2, 50)
|
||||
self.ui.append(cell_rect)
|
||||
|
||||
# Fourth demo: Combined - planet with orbit ring
|
||||
bg4 = mcrfpy.Frame(pos=(250, 410), size=(530, 170))
|
||||
bg4.fill_color = mcrfpy.Color(15, 15, 25)
|
||||
bg4.outline = 1
|
||||
bg4.outline_color = mcrfpy.Color(60, 60, 100)
|
||||
self.ui.append(bg4)
|
||||
|
||||
self.add_label("Planet + Orbit Ring", 270, 415, (255, 200, 100))
|
||||
self.add_label("Surface (r=3) + Orbit (r=7)", 270, 435, (150, 150, 150))
|
||||
|
||||
planet_center = (16, 5)
|
||||
surface_radius = 3
|
||||
orbit_radius = 7
|
||||
|
||||
# Draw orbit ring (behind planet)
|
||||
orbit_cells = bresenham_circle(planet_center, orbit_radius)
|
||||
for x, y in orbit_cells:
|
||||
px = 260 + x * cell_size
|
||||
py = 460 + y * cell_size
|
||||
cell_rect = mcrfpy.Frame(pos=(px, py), size=(cell_size - 1, cell_size - 1))
|
||||
cell_rect.fill_color = mcrfpy.Color(50, 150, 50, 180)
|
||||
self.ui.append(cell_rect)
|
||||
|
||||
# Draw planet surface (on top)
|
||||
surface_cells = filled_circle(planet_center, surface_radius)
|
||||
for x, y in surface_cells:
|
||||
px = 260 + x * cell_size
|
||||
py = 460 + y * cell_size
|
||||
cell_rect = mcrfpy.Frame(pos=(px, py), size=(cell_size - 1, cell_size - 1))
|
||||
dist = ((x - planet_center[0])**2 + (y - planet_center[1])**2) ** 0.5
|
||||
intensity = int(200 * (1 - dist / (surface_radius + 1)))
|
||||
cell_rect.fill_color = mcrfpy.Color(50 + intensity, 100 + intensity // 2, 200)
|
||||
self.ui.append(cell_rect)
|
||||
|
||||
# Legend
|
||||
self.add_label("Legend:", 600, 455, (200, 200, 200))
|
||||
|
||||
leg1 = mcrfpy.Frame(pos=(600, 475), size=(12, 12))
|
||||
leg1.fill_color = mcrfpy.Color(100, 150, 200)
|
||||
self.ui.append(leg1)
|
||||
self.add_label("Planet surface", 620, 473, (150, 150, 150))
|
||||
|
||||
leg2 = mcrfpy.Frame(pos=(600, 495), size=(12, 12))
|
||||
leg2.fill_color = mcrfpy.Color(50, 150, 50)
|
||||
self.ui.append(leg2)
|
||||
self.add_label("Orbit ring (ship positions)", 620, 493, (150, 150, 150))
|
||||
|
|
@ -0,0 +1,359 @@
|
|||
"""Animated pathfinding through a moving solar system."""
|
||||
import mcrfpy
|
||||
import math
|
||||
from .base import (GeometryDemoScreen, OrbitalBody, create_solar_system,
|
||||
create_planet, point_on_circle, distance, angle_between,
|
||||
normalize_angle, is_viable_waypoint, nearest_orbit_entry,
|
||||
optimal_exit_heading)
|
||||
|
||||
|
||||
class PathfindingAnimatedDemo(GeometryDemoScreen):
|
||||
"""Demonstrate ship navigation through moving orbital bodies."""
|
||||
|
||||
name = "Animated Pathfinding"
|
||||
description = "Ship navigates through moving planets"
|
||||
|
||||
def setup(self):
|
||||
self.add_title("Pathfinding Through Moving Planets")
|
||||
self.add_description("Ship anticipates planetary motion to use orbital slingshots")
|
||||
|
||||
# Screen layout
|
||||
self.center_x = 400
|
||||
self.center_y = 320
|
||||
self.scale = 2.0
|
||||
|
||||
# Background
|
||||
bg = mcrfpy.Frame(pos=(50, 80), size=(700, 460))
|
||||
bg.fill_color = mcrfpy.Color(5, 5, 15)
|
||||
bg.outline = 1
|
||||
bg.outline_color = mcrfpy.Color(40, 40, 80)
|
||||
self.ui.append(bg)
|
||||
|
||||
# Create solar system
|
||||
self.star = create_solar_system(
|
||||
grid_width=200, grid_height=200,
|
||||
star_radius=10, star_orbit_radius=18
|
||||
)
|
||||
|
||||
# Create a planet that the ship will use as waypoint
|
||||
self.planet = create_planet(
|
||||
name="Waypoint",
|
||||
star=self.star,
|
||||
orbital_radius=80,
|
||||
surface_radius=8,
|
||||
orbit_ring_radius=15,
|
||||
angular_velocity=5, # Moves 5 degrees per turn
|
||||
initial_angle=180 # Starts on left side
|
||||
)
|
||||
|
||||
# Ship state
|
||||
self.ship_speed = 10 # Grid units per turn
|
||||
self.ship_pos = [30, 100] # Start position (grid coords, relative to star)
|
||||
self.ship_target = [100, -80] # Target position
|
||||
self.ship_state = "approach" # approach, orbiting, exiting, traveling
|
||||
self.ship_orbit_angle = 0
|
||||
self.current_time = 0
|
||||
|
||||
# Plan the path
|
||||
self.path_plan = []
|
||||
self.current_path_index = 0
|
||||
|
||||
# Store UI elements
|
||||
self.planet_circle = None
|
||||
self.planet_orbit_ring = None
|
||||
self.ship_circle = None
|
||||
self.path_lines = []
|
||||
self.status_label = None
|
||||
|
||||
# Draw static elements
|
||||
self._draw_static()
|
||||
|
||||
# Draw initial state
|
||||
self._draw_dynamic()
|
||||
|
||||
# Info panel
|
||||
self._draw_info_panel()
|
||||
|
||||
# Start animation
|
||||
self.add_timer("pathfind_tick", self._tick, 1000)
|
||||
|
||||
def _to_screen(self, grid_pos):
|
||||
"""Convert grid position (relative to star) to screen coordinates."""
|
||||
gx, gy = grid_pos
|
||||
return (self.center_x + gx * self.scale, self.center_y - gy * self.scale)
|
||||
|
||||
def _draw_static(self):
|
||||
"""Draw static elements."""
|
||||
star_screen = self._to_screen((0, 0))
|
||||
|
||||
# Star
|
||||
star = mcrfpy.Circle(
|
||||
center=star_screen,
|
||||
radius=self.star.surface_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(255, 220, 100),
|
||||
outline_color=mcrfpy.Color(255, 180, 50),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(star)
|
||||
|
||||
# Planet orbital path
|
||||
orbit_path = mcrfpy.Circle(
|
||||
center=star_screen,
|
||||
radius=self.planet.orbital_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(40, 40, 60),
|
||||
outline=1
|
||||
)
|
||||
self.ui.append(orbit_path)
|
||||
|
||||
# Target marker
|
||||
target_screen = self._to_screen(self.ship_target)
|
||||
target = mcrfpy.Circle(
|
||||
center=target_screen,
|
||||
radius=12,
|
||||
fill_color=mcrfpy.Color(255, 100, 100),
|
||||
outline_color=mcrfpy.Color(255, 200, 200),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(target)
|
||||
self.add_label("TARGET", target_screen[0] - 25, target_screen[1] + 15, (255, 100, 100))
|
||||
|
||||
# Start marker
|
||||
start_screen = self._to_screen(self.ship_pos)
|
||||
self.add_label("START", start_screen[0] - 20, start_screen[1] + 15, (100, 255, 100))
|
||||
|
||||
def _draw_dynamic(self):
|
||||
"""Draw/update dynamic elements (planet, ship, path)."""
|
||||
# Get planet position at current time
|
||||
planet_grid = self._get_planet_pos(self.current_time)
|
||||
planet_screen = self._to_screen(planet_grid)
|
||||
|
||||
# Planet
|
||||
if self.planet_circle:
|
||||
self.planet_circle.center = planet_screen
|
||||
else:
|
||||
self.planet_circle = mcrfpy.Circle(
|
||||
center=planet_screen,
|
||||
radius=self.planet.surface_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(100, 150, 255),
|
||||
outline_color=mcrfpy.Color(150, 200, 255),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(self.planet_circle)
|
||||
|
||||
# Planet orbit ring
|
||||
if self.planet_orbit_ring:
|
||||
self.planet_orbit_ring.center = planet_screen
|
||||
else:
|
||||
self.planet_orbit_ring = mcrfpy.Circle(
|
||||
center=planet_screen,
|
||||
radius=self.planet.orbit_ring_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(50, 150, 50),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(self.planet_orbit_ring)
|
||||
|
||||
# Ship
|
||||
ship_screen = self._to_screen(self.ship_pos)
|
||||
if self.ship_circle:
|
||||
self.ship_circle.center = ship_screen
|
||||
else:
|
||||
self.ship_circle = mcrfpy.Circle(
|
||||
center=ship_screen,
|
||||
radius=8,
|
||||
fill_color=mcrfpy.Color(255, 200, 100),
|
||||
outline_color=mcrfpy.Color(255, 255, 200),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(self.ship_circle)
|
||||
|
||||
# Draw predicted path
|
||||
self._draw_predicted_path()
|
||||
|
||||
def _get_planet_pos(self, t):
|
||||
"""Get planet position in grid coords relative to star."""
|
||||
angle = self.planet.initial_angle + self.planet.angular_velocity * t
|
||||
x = self.planet.orbital_radius * math.cos(math.radians(angle))
|
||||
y = self.planet.orbital_radius * math.sin(math.radians(angle))
|
||||
return (x, y)
|
||||
|
||||
def _draw_predicted_path(self):
|
||||
"""Draw the predicted ship path."""
|
||||
# Clear old path lines
|
||||
# (In a real implementation, we'd remove old lines from UI)
|
||||
# For now, we'll just draw new ones each time
|
||||
|
||||
ship_pos = tuple(self.ship_pos)
|
||||
target = tuple(self.ship_target)
|
||||
|
||||
# Simple path prediction:
|
||||
# 1. Calculate when ship can intercept planet's orbit
|
||||
# 2. Show line to intercept point
|
||||
# 3. Show arc on orbit
|
||||
# 4. Show line to target
|
||||
|
||||
if self.ship_state == "approach":
|
||||
# Find intercept time
|
||||
intercept_time, intercept_pos = self._find_intercept()
|
||||
if intercept_time:
|
||||
# Line from ship to intercept
|
||||
ship_screen = self._to_screen(ship_pos)
|
||||
intercept_screen = self._to_screen(intercept_pos)
|
||||
|
||||
# Draw approach line
|
||||
approach_line = mcrfpy.Line(
|
||||
start=ship_screen, end=intercept_screen,
|
||||
color=mcrfpy.Color(100, 200, 255, 150),
|
||||
thickness=2
|
||||
)
|
||||
self.ui.append(approach_line)
|
||||
|
||||
def _find_intercept(self):
|
||||
"""Find when ship can intercept planet's orbit."""
|
||||
# Simplified: check next 20 turns
|
||||
for dt in range(1, 20):
|
||||
future_t = self.current_time + dt
|
||||
planet_pos = self._get_planet_pos(future_t)
|
||||
|
||||
# Distance ship could travel
|
||||
max_dist = self.ship_speed * dt
|
||||
|
||||
# Distance from ship to planet's orbit ring
|
||||
dist_to_planet = distance(self.ship_pos, planet_pos)
|
||||
dist_to_orbit = abs(dist_to_planet - self.planet.orbit_ring_radius)
|
||||
|
||||
if dist_to_orbit <= max_dist:
|
||||
# Calculate entry point
|
||||
angle_to_planet = angle_between(self.ship_pos, planet_pos)
|
||||
entry_x = planet_pos[0] + self.planet.orbit_ring_radius * math.cos(math.radians(angle_to_planet + 180))
|
||||
entry_y = planet_pos[1] + self.planet.orbit_ring_radius * math.sin(math.radians(angle_to_planet + 180))
|
||||
return (future_t, (entry_x, entry_y))
|
||||
|
||||
return (None, None)
|
||||
|
||||
def _draw_info_panel(self):
|
||||
"""Draw information panel."""
|
||||
panel = mcrfpy.Frame(pos=(50, 545), size=(700, 45))
|
||||
panel.fill_color = mcrfpy.Color(20, 20, 35)
|
||||
panel.outline = 1
|
||||
panel.outline_color = mcrfpy.Color(60, 60, 100)
|
||||
self.ui.append(panel)
|
||||
|
||||
# Time display
|
||||
self.time_label = mcrfpy.Caption(text="Turn: 0", pos=(60, 555))
|
||||
self.time_label.fill_color = mcrfpy.Color(255, 255, 255)
|
||||
self.ui.append(self.time_label)
|
||||
|
||||
# Status display
|
||||
self.status_label = mcrfpy.Caption(text="Status: Approaching planet", pos=(180, 555))
|
||||
self.status_label.fill_color = mcrfpy.Color(100, 200, 255)
|
||||
self.ui.append(self.status_label)
|
||||
|
||||
# Distance display
|
||||
self.dist_label = mcrfpy.Caption(text="Distance to target: ---", pos=(450, 555))
|
||||
self.dist_label.fill_color = mcrfpy.Color(150, 150, 150)
|
||||
self.ui.append(self.dist_label)
|
||||
|
||||
def _tick(self, runtime):
|
||||
"""Advance one turn."""
|
||||
self.current_time += 1
|
||||
self.time_label.text = f"Turn: {self.current_time}"
|
||||
|
||||
# Update ship based on state
|
||||
if self.ship_state == "approach":
|
||||
self._update_approach()
|
||||
elif self.ship_state == "orbiting":
|
||||
self._update_orbiting()
|
||||
elif self.ship_state == "exiting":
|
||||
self._update_exiting()
|
||||
elif self.ship_state == "traveling":
|
||||
self._update_traveling()
|
||||
elif self.ship_state == "arrived":
|
||||
pass # Done!
|
||||
|
||||
# Update distance display
|
||||
dist = distance(self.ship_pos, self.ship_target)
|
||||
self.dist_label.text = f"Distance to target: {dist:.1f}"
|
||||
|
||||
# Update visuals
|
||||
self._draw_dynamic()
|
||||
|
||||
def _update_approach(self):
|
||||
"""Move ship toward planet's predicted position."""
|
||||
# Find where planet will be when we can intercept
|
||||
intercept_time, intercept_pos = self._find_intercept()
|
||||
|
||||
if intercept_pos:
|
||||
# Move toward intercept point
|
||||
dx = intercept_pos[0] - self.ship_pos[0]
|
||||
dy = intercept_pos[1] - self.ship_pos[1]
|
||||
dist = math.sqrt(dx*dx + dy*dy)
|
||||
|
||||
if dist <= self.ship_speed:
|
||||
# Arrived at orbit - enter orbit
|
||||
self.ship_pos = list(intercept_pos)
|
||||
planet_pos = self._get_planet_pos(self.current_time)
|
||||
self.ship_orbit_angle = angle_between(planet_pos, self.ship_pos)
|
||||
self.ship_state = "orbiting"
|
||||
self.status_label.text = "Status: In orbit (repositioning FREE)"
|
||||
self.status_label.fill_color = mcrfpy.Color(255, 255, 100)
|
||||
else:
|
||||
# Move toward intercept
|
||||
self.ship_pos[0] += (dx / dist) * self.ship_speed
|
||||
self.ship_pos[1] += (dy / dist) * self.ship_speed
|
||||
self.status_label.text = f"Status: Approaching intercept (T+{intercept_time - self.current_time})"
|
||||
else:
|
||||
# Can't find intercept, go direct
|
||||
self.ship_state = "traveling"
|
||||
|
||||
def _update_orbiting(self):
|
||||
"""Reposition on orbit toward optimal exit."""
|
||||
planet_pos = self._get_planet_pos(self.current_time)
|
||||
|
||||
# Calculate optimal exit angle (toward target)
|
||||
exit_angle = angle_between(planet_pos, self.ship_target)
|
||||
|
||||
# Move along orbit toward exit angle (this is FREE movement)
|
||||
angle_diff = exit_angle - self.ship_orbit_angle
|
||||
if angle_diff > 180:
|
||||
angle_diff -= 360
|
||||
elif angle_diff < -180:
|
||||
angle_diff += 360
|
||||
|
||||
# Move up to 45 degrees per turn along orbit (arbitrary limit for demo)
|
||||
move_angle = max(-45, min(45, angle_diff))
|
||||
self.ship_orbit_angle = normalize_angle(self.ship_orbit_angle + move_angle)
|
||||
|
||||
# Update ship position to new orbital position
|
||||
self.ship_pos[0] = planet_pos[0] + self.planet.orbit_ring_radius * math.cos(math.radians(self.ship_orbit_angle))
|
||||
self.ship_pos[1] = planet_pos[1] + self.planet.orbit_ring_radius * math.sin(math.radians(self.ship_orbit_angle))
|
||||
|
||||
# Check if we're at optimal exit
|
||||
if abs(angle_diff) < 10:
|
||||
self.ship_state = "exiting"
|
||||
self.status_label.text = "Status: Exiting orbit toward target"
|
||||
self.status_label.fill_color = mcrfpy.Color(100, 255, 100)
|
||||
|
||||
def _update_exiting(self):
|
||||
"""Exit orbit and head toward target."""
|
||||
# Just transition to traveling
|
||||
self.ship_state = "traveling"
|
||||
|
||||
def _update_traveling(self):
|
||||
"""Travel directly toward target."""
|
||||
dx = self.ship_target[0] - self.ship_pos[0]
|
||||
dy = self.ship_target[1] - self.ship_pos[1]
|
||||
dist = math.sqrt(dx*dx + dy*dy)
|
||||
|
||||
if dist <= self.ship_speed:
|
||||
# Arrived!
|
||||
self.ship_pos = list(self.ship_target)
|
||||
self.ship_state = "arrived"
|
||||
self.status_label.text = "Status: ARRIVED!"
|
||||
self.status_label.fill_color = mcrfpy.Color(100, 255, 100)
|
||||
else:
|
||||
# Move toward target
|
||||
self.ship_pos[0] += (dx / dist) * self.ship_speed
|
||||
self.ship_pos[1] += (dy / dist) * self.ship_speed
|
||||
self.status_label.text = f"Status: Traveling to target ({dist:.0f} units)"
|
||||
|
|
@ -0,0 +1,292 @@
|
|||
"""Static pathfinding demonstration with planets and orbit rings."""
|
||||
import mcrfpy
|
||||
import math
|
||||
from .base import (GeometryDemoScreen, OrbitalBody, bresenham_circle, filled_circle,
|
||||
angle_between, distance, point_on_circle, is_viable_waypoint,
|
||||
nearest_orbit_entry, optimal_exit_heading)
|
||||
|
||||
|
||||
class PathfindingStaticDemo(GeometryDemoScreen):
|
||||
"""Demonstrate optimal path through a static solar system."""
|
||||
|
||||
name = "Static Pathfinding"
|
||||
description = "Optimal path using orbital slingshots"
|
||||
|
||||
def setup(self):
|
||||
self.add_title("Pathfinding Through Orbital Bodies")
|
||||
self.add_description("Using free orbital movement to optimize travel paths")
|
||||
|
||||
# Create a scenario with multiple planets
|
||||
# Ship needs to go from bottom-left to top-right
|
||||
# Optimal path uses planetary orbits as "free repositioning stations"
|
||||
|
||||
self.cell_size = 8
|
||||
self.offset_x = 50
|
||||
self.offset_y = 100
|
||||
|
||||
# Background
|
||||
bg = mcrfpy.Frame(pos=(30, 80), size=(740, 480))
|
||||
bg.fill_color = mcrfpy.Color(5, 5, 15)
|
||||
bg.outline = 1
|
||||
bg.outline_color = mcrfpy.Color(40, 40, 80)
|
||||
self.ui.append(bg)
|
||||
|
||||
# Define planets (center_x, center_y, surface_radius, orbit_radius, name)
|
||||
self.planets = [
|
||||
(20, 45, 8, 14, "Alpha"),
|
||||
(55, 25, 5, 10, "Beta"),
|
||||
(70, 50, 6, 12, "Gamma"),
|
||||
]
|
||||
|
||||
# Ship start and end
|
||||
self.ship_start = (5, 55)
|
||||
self.ship_end = (85, 10)
|
||||
|
||||
# Draw grid reference (faint)
|
||||
self._draw_grid_reference()
|
||||
|
||||
# Draw planets with surfaces and orbit rings
|
||||
for px, py, sr, orbit_r, name in self.planets:
|
||||
self._draw_planet(px, py, sr, orbit_r, name)
|
||||
|
||||
# Calculate and draw optimal path
|
||||
self._draw_optimal_path()
|
||||
|
||||
# Draw ship and target
|
||||
self._draw_ship_and_target()
|
||||
|
||||
# Legend
|
||||
self._draw_legend()
|
||||
|
||||
def _to_screen(self, gx, gy):
|
||||
"""Convert grid coords to screen coords."""
|
||||
return (self.offset_x + gx * self.cell_size,
|
||||
self.offset_y + gy * self.cell_size)
|
||||
|
||||
def _draw_grid_reference(self):
|
||||
"""Draw faint grid lines for reference."""
|
||||
for i in range(0, 91, 10):
|
||||
# Vertical lines
|
||||
x = self.offset_x + i * self.cell_size
|
||||
line = mcrfpy.Line(
|
||||
start=(x, self.offset_y),
|
||||
end=(x, self.offset_y + 60 * self.cell_size),
|
||||
color=mcrfpy.Color(30, 30, 50),
|
||||
thickness=1
|
||||
)
|
||||
self.ui.append(line)
|
||||
|
||||
for i in range(0, 61, 10):
|
||||
# Horizontal lines
|
||||
y = self.offset_y + i * self.cell_size
|
||||
line = mcrfpy.Line(
|
||||
start=(self.offset_x, y),
|
||||
end=(self.offset_x + 90 * self.cell_size, y),
|
||||
color=mcrfpy.Color(30, 30, 50),
|
||||
thickness=1
|
||||
)
|
||||
self.ui.append(line)
|
||||
|
||||
def _draw_planet(self, cx, cy, surface_r, orbit_r, name):
|
||||
"""Draw a planet with surface and orbit ring."""
|
||||
sx, sy = self._to_screen(cx, cy)
|
||||
|
||||
# Orbit ring (using mcrfpy.Circle for smooth rendering)
|
||||
orbit = mcrfpy.Circle(
|
||||
center=(sx, sy),
|
||||
radius=orbit_r * self.cell_size,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(50, 150, 50, 150),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(orbit)
|
||||
|
||||
# Also draw Bresenham orbit cells for accuracy demo
|
||||
orbit_cells = bresenham_circle((cx, cy), orbit_r)
|
||||
for gx, gy in orbit_cells:
|
||||
px, py = self._to_screen(gx, gy)
|
||||
cell = mcrfpy.Frame(
|
||||
pos=(px, py),
|
||||
size=(self.cell_size - 1, self.cell_size - 1)
|
||||
)
|
||||
cell.fill_color = mcrfpy.Color(40, 100, 40, 100)
|
||||
self.ui.append(cell)
|
||||
|
||||
# Planet surface (filled circle)
|
||||
surface_cells = filled_circle((cx, cy), surface_r)
|
||||
for gx, gy in surface_cells:
|
||||
px, py = self._to_screen(gx, gy)
|
||||
dist = math.sqrt((gx - cx)**2 + (gy - cy)**2)
|
||||
intensity = int(180 * (1 - dist / (surface_r + 1)))
|
||||
cell = mcrfpy.Frame(
|
||||
pos=(px, py),
|
||||
size=(self.cell_size - 1, self.cell_size - 1)
|
||||
)
|
||||
cell.fill_color = mcrfpy.Color(60 + intensity, 80 + intensity//2, 150)
|
||||
self.ui.append(cell)
|
||||
|
||||
# Planet label
|
||||
self.add_label(name, sx - 15, sy - surface_r * self.cell_size - 15, (150, 150, 200))
|
||||
|
||||
def _draw_optimal_path(self):
|
||||
"""Calculate and draw the optimal path using orbital waypoints."""
|
||||
# The optimal path:
|
||||
# 1. Ship starts at (5, 55)
|
||||
# 2. Direct line to Alpha's orbit entry
|
||||
# 3. Free arc around Alpha to optimal exit
|
||||
# 4. Direct line to Gamma's orbit entry
|
||||
# 5. Free arc around Gamma to optimal exit
|
||||
# 6. Direct line to target (85, 10)
|
||||
|
||||
path_segments = []
|
||||
|
||||
# Current position
|
||||
current = self.ship_start
|
||||
|
||||
# For this demo, manually define the path through Alpha and Gamma
|
||||
# (In a real implementation, this would be computed by the pathfinder)
|
||||
|
||||
# Planet Alpha (20, 45, orbit_r=14)
|
||||
alpha_center = (20, 45)
|
||||
alpha_orbit = 14
|
||||
|
||||
# Entry to Alpha
|
||||
entry_angle_alpha = angle_between(alpha_center, current)
|
||||
entry_alpha = point_on_circle(alpha_center, alpha_orbit, entry_angle_alpha)
|
||||
|
||||
# Draw line: start -> Alpha entry
|
||||
self._draw_path_line(current, entry_alpha, (100, 200, 255))
|
||||
current = entry_alpha
|
||||
|
||||
# Exit from Alpha toward Gamma
|
||||
gamma_center = (70, 50)
|
||||
exit_angle_alpha = angle_between(alpha_center, gamma_center)
|
||||
exit_alpha = point_on_circle(alpha_center, alpha_orbit, exit_angle_alpha)
|
||||
|
||||
# Draw arc on Alpha's orbit
|
||||
self._draw_orbit_arc(alpha_center, alpha_orbit, entry_angle_alpha, exit_angle_alpha)
|
||||
current = exit_alpha
|
||||
|
||||
# Planet Gamma (70, 50, orbit_r=12)
|
||||
gamma_orbit = 12
|
||||
|
||||
# Entry to Gamma
|
||||
entry_angle_gamma = angle_between(gamma_center, current)
|
||||
entry_gamma = point_on_circle(gamma_center, gamma_orbit, entry_angle_gamma)
|
||||
|
||||
# Draw line: Alpha exit -> Gamma entry
|
||||
self._draw_path_line(current, entry_gamma, (100, 200, 255))
|
||||
current = entry_gamma
|
||||
|
||||
# Exit from Gamma toward target
|
||||
exit_angle_gamma = angle_between(gamma_center, self.ship_end)
|
||||
exit_gamma = point_on_circle(gamma_center, gamma_orbit, exit_angle_gamma)
|
||||
|
||||
# Draw arc on Gamma's orbit
|
||||
self._draw_orbit_arc(gamma_center, gamma_orbit, entry_angle_gamma, exit_angle_gamma)
|
||||
current = exit_gamma
|
||||
|
||||
# Final segment to target
|
||||
self._draw_path_line(current, self.ship_end, (100, 200, 255))
|
||||
|
||||
# For comparison, draw direct path (inefficient)
|
||||
direct_start = self._to_screen(*self.ship_start)
|
||||
direct_end = self._to_screen(*self.ship_end)
|
||||
direct_line = mcrfpy.Line(
|
||||
start=direct_start, end=direct_end,
|
||||
color=mcrfpy.Color(255, 100, 100, 80),
|
||||
thickness=1
|
||||
)
|
||||
self.ui.append(direct_line)
|
||||
|
||||
def _draw_path_line(self, p1, p2, color):
|
||||
"""Draw a path segment line."""
|
||||
s1 = self._to_screen(p1[0], p1[1])
|
||||
s2 = self._to_screen(p2[0], p2[1])
|
||||
line = mcrfpy.Line(
|
||||
start=s1, end=s2,
|
||||
color=mcrfpy.Color(*color),
|
||||
thickness=3
|
||||
)
|
||||
self.ui.append(line)
|
||||
|
||||
def _draw_orbit_arc(self, center, radius, start_angle, end_angle):
|
||||
"""Draw an arc showing orbital movement (free movement)."""
|
||||
sx, sy = self._to_screen(center[0], center[1])
|
||||
|
||||
# Normalize angles for drawing
|
||||
# Screen coordinates have Y inverted, so negate angles
|
||||
arc = mcrfpy.Arc(
|
||||
center=(sx, sy),
|
||||
radius=radius * self.cell_size,
|
||||
start_angle=-start_angle,
|
||||
end_angle=-end_angle,
|
||||
color=mcrfpy.Color(255, 255, 100),
|
||||
thickness=4
|
||||
)
|
||||
self.ui.append(arc)
|
||||
|
||||
def _draw_ship_and_target(self):
|
||||
"""Draw ship start and target end positions."""
|
||||
# Ship
|
||||
ship_x, ship_y = self._to_screen(*self.ship_start)
|
||||
ship = mcrfpy.Circle(
|
||||
center=(ship_x + self.cell_size//2, ship_y + self.cell_size//2),
|
||||
radius=10,
|
||||
fill_color=mcrfpy.Color(255, 200, 100),
|
||||
outline_color=mcrfpy.Color(255, 255, 200),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(ship)
|
||||
self.add_label("SHIP", ship_x - 10, ship_y + 20, (255, 200, 100))
|
||||
|
||||
# Target
|
||||
target_x, target_y = self._to_screen(*self.ship_end)
|
||||
target = mcrfpy.Circle(
|
||||
center=(target_x + self.cell_size//2, target_y + self.cell_size//2),
|
||||
radius=10,
|
||||
fill_color=mcrfpy.Color(255, 100, 100),
|
||||
outline_color=mcrfpy.Color(255, 200, 200),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(target)
|
||||
self.add_label("TARGET", target_x - 15, target_y + 20, (255, 100, 100))
|
||||
|
||||
def _draw_legend(self):
|
||||
"""Draw legend explaining the visualization."""
|
||||
leg_x = 50
|
||||
leg_y = 520
|
||||
|
||||
# Blue line = movement cost
|
||||
line1 = mcrfpy.Line(
|
||||
start=(leg_x, leg_y + 10), end=(leg_x + 30, leg_y + 10),
|
||||
color=mcrfpy.Color(100, 200, 255),
|
||||
thickness=3
|
||||
)
|
||||
self.ui.append(line1)
|
||||
self.add_label("Impulse movement (costs energy)", leg_x + 40, leg_y + 3, (150, 150, 150))
|
||||
|
||||
# Yellow arc = free movement
|
||||
arc1 = mcrfpy.Arc(
|
||||
center=(leg_x + 15, leg_y + 45), radius=15,
|
||||
start_angle=0, end_angle=180,
|
||||
color=mcrfpy.Color(255, 255, 100),
|
||||
thickness=3
|
||||
)
|
||||
self.ui.append(arc1)
|
||||
self.add_label("Orbital movement (FREE)", leg_x + 40, leg_y + 35, (255, 255, 100))
|
||||
|
||||
# Red line = direct (inefficient)
|
||||
line2 = mcrfpy.Line(
|
||||
start=(leg_x + 300, leg_y + 10), end=(leg_x + 330, leg_y + 10),
|
||||
color=mcrfpy.Color(255, 100, 100, 80),
|
||||
thickness=1
|
||||
)
|
||||
self.ui.append(line2)
|
||||
self.add_label("Direct path (for comparison)", leg_x + 340, leg_y + 3, (150, 150, 150))
|
||||
|
||||
# Green cells = orbit ring
|
||||
cell1 = mcrfpy.Frame(pos=(leg_x + 300, leg_y + 35), size=(15, 15))
|
||||
cell1.fill_color = mcrfpy.Color(40, 100, 40)
|
||||
self.ui.append(cell1)
|
||||
self.add_label("Orbit ring cells (valid ship positions)", leg_x + 320, leg_y + 35, (150, 150, 150))
|
||||
|
|
@ -0,0 +1,274 @@
|
|||
"""Animated solar system demonstration."""
|
||||
import mcrfpy
|
||||
import math
|
||||
from .base import (GeometryDemoScreen, OrbitalBody, create_solar_system,
|
||||
create_planet, create_moon, point_on_circle)
|
||||
|
||||
|
||||
class SolarSystemDemo(GeometryDemoScreen):
|
||||
"""Demonstrate animated orbital mechanics with timer-based updates."""
|
||||
|
||||
name = "Solar System Animation"
|
||||
description = "Planets orbiting with discrete time steps"
|
||||
|
||||
def setup(self):
|
||||
self.add_title("Animated Solar System")
|
||||
self.add_description("Planets snap to grid positions as time advances (1 tick = 1 turn)")
|
||||
|
||||
# Screen layout
|
||||
self.center_x = 400
|
||||
self.center_y = 320
|
||||
self.scale = 1.5 # Pixels per grid unit
|
||||
|
||||
# Background
|
||||
bg = mcrfpy.Frame(pos=(50, 80), size=(700, 480))
|
||||
bg.fill_color = mcrfpy.Color(5, 5, 15)
|
||||
bg.outline = 1
|
||||
bg.outline_color = mcrfpy.Color(40, 40, 80)
|
||||
self.ui.append(bg)
|
||||
|
||||
# Create the solar system using geometry module
|
||||
self.star = create_solar_system(
|
||||
grid_width=200, grid_height=200,
|
||||
star_radius=15, star_orbit_radius=25
|
||||
)
|
||||
|
||||
# Create planets with different orbital speeds
|
||||
self.planet1 = create_planet(
|
||||
name="Mercury",
|
||||
star=self.star,
|
||||
orbital_radius=60,
|
||||
surface_radius=5,
|
||||
orbit_ring_radius=12,
|
||||
angular_velocity=12, # Fast orbit
|
||||
initial_angle=0
|
||||
)
|
||||
|
||||
self.planet2 = create_planet(
|
||||
name="Venus",
|
||||
star=self.star,
|
||||
orbital_radius=100,
|
||||
surface_radius=8,
|
||||
orbit_ring_radius=16,
|
||||
angular_velocity=7, # Medium orbit
|
||||
initial_angle=120
|
||||
)
|
||||
|
||||
self.planet3 = create_planet(
|
||||
name="Earth",
|
||||
star=self.star,
|
||||
orbital_radius=150,
|
||||
surface_radius=10,
|
||||
orbit_ring_radius=20,
|
||||
angular_velocity=4, # Slow orbit
|
||||
initial_angle=240
|
||||
)
|
||||
|
||||
# Moon orbiting Earth
|
||||
self.moon = create_moon(
|
||||
name="Luna",
|
||||
planet=self.planet3,
|
||||
orbital_radius=30,
|
||||
surface_radius=3,
|
||||
orbit_ring_radius=8,
|
||||
angular_velocity=15, # Faster than Earth
|
||||
initial_angle=45
|
||||
)
|
||||
|
||||
self.planets = [self.planet1, self.planet2, self.planet3]
|
||||
self.moons = [self.moon]
|
||||
|
||||
# Current time step
|
||||
self.current_time = 0
|
||||
|
||||
# Store UI elements for updating
|
||||
self.planet_circles = {}
|
||||
self.orbit_rings = {}
|
||||
self.moon_circles = {}
|
||||
|
||||
# Draw static elements (star, orbit paths)
|
||||
self._draw_static_elements()
|
||||
|
||||
# Draw initial planet positions
|
||||
self._draw_planets()
|
||||
|
||||
# Time display
|
||||
self.time_label = mcrfpy.Caption(text="Turn: 0", pos=(60, 530))
|
||||
self.time_label.fill_color = mcrfpy.Color(255, 255, 255)
|
||||
self.ui.append(self.time_label)
|
||||
|
||||
# Instructions
|
||||
self.add_label("Time advances automatically every second", 200, 530, (150, 150, 150))
|
||||
|
||||
# Start the animation timer
|
||||
self.add_timer("solar_tick", self._tick, 1000) # 1 second per turn
|
||||
|
||||
def _to_screen(self, grid_pos):
|
||||
"""Convert grid position to screen coordinates."""
|
||||
gx, gy = grid_pos
|
||||
# Center on screen, with star at center
|
||||
star_pos = self.star.base_position
|
||||
dx = (gx - star_pos[0]) * self.scale
|
||||
dy = (gy - star_pos[1]) * self.scale
|
||||
return (self.center_x + dx, self.center_y + dy)
|
||||
|
||||
def _draw_static_elements(self):
|
||||
"""Draw elements that don't move (star, orbital paths)."""
|
||||
star_screen = self._to_screen(self.star.base_position)
|
||||
|
||||
# Star
|
||||
star_circle = mcrfpy.Circle(
|
||||
center=star_screen,
|
||||
radius=self.star.surface_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(255, 220, 100),
|
||||
outline_color=mcrfpy.Color(255, 180, 50),
|
||||
outline=3
|
||||
)
|
||||
self.ui.append(star_circle)
|
||||
|
||||
# Star glow effect
|
||||
for i in range(3):
|
||||
glow = mcrfpy.Circle(
|
||||
center=star_screen,
|
||||
radius=(self.star.surface_radius + 5 + i * 8) * self.scale,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(255, 200, 50, 50 - i * 15),
|
||||
outline=2
|
||||
)
|
||||
self.ui.append(glow)
|
||||
|
||||
# Orbital paths (static ellipses showing where planets travel)
|
||||
for planet in self.planets:
|
||||
path = mcrfpy.Circle(
|
||||
center=star_screen,
|
||||
radius=planet.orbital_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(40, 40, 60),
|
||||
outline=1
|
||||
)
|
||||
self.ui.append(path)
|
||||
|
||||
# Star label
|
||||
self.add_label("Star", star_screen[0] - 15, star_screen[1] + self.star.surface_radius * self.scale + 5,
|
||||
(255, 220, 100))
|
||||
|
||||
def _draw_planets(self):
|
||||
"""Draw planets at their current positions."""
|
||||
for planet in self.planets:
|
||||
self._draw_planet(planet)
|
||||
|
||||
for moon in self.moons:
|
||||
self._draw_moon(moon)
|
||||
|
||||
def _draw_planet(self, planet):
|
||||
"""Draw a single planet."""
|
||||
# Get grid position at current time
|
||||
grid_pos = planet.grid_position_at_time(self.current_time)
|
||||
screen_pos = self._to_screen(grid_pos)
|
||||
|
||||
# Color based on planet
|
||||
colors = {
|
||||
"Mercury": (180, 180, 180),
|
||||
"Venus": (255, 200, 150),
|
||||
"Earth": (100, 150, 255),
|
||||
}
|
||||
color = colors.get(planet.name, (150, 150, 150))
|
||||
|
||||
# Planet surface
|
||||
planet_circle = mcrfpy.Circle(
|
||||
center=screen_pos,
|
||||
radius=planet.surface_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(*color),
|
||||
outline_color=mcrfpy.Color(255, 255, 255, 100),
|
||||
outline=1
|
||||
)
|
||||
self.ui.append(planet_circle)
|
||||
self.planet_circles[planet.name] = planet_circle
|
||||
|
||||
# Orbit ring around planet
|
||||
orbit_ring = mcrfpy.Circle(
|
||||
center=screen_pos,
|
||||
radius=planet.orbit_ring_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(50, 150, 50, 100),
|
||||
outline=1
|
||||
)
|
||||
self.ui.append(orbit_ring)
|
||||
self.orbit_rings[planet.name] = orbit_ring
|
||||
|
||||
# Planet label
|
||||
label = mcrfpy.Caption(
|
||||
text=planet.name,
|
||||
pos=(screen_pos[0] - 20, screen_pos[1] - planet.surface_radius * self.scale - 15)
|
||||
)
|
||||
label.fill_color = mcrfpy.Color(*color)
|
||||
self.ui.append(label)
|
||||
# Store label for updating
|
||||
if not hasattr(self, 'planet_labels'):
|
||||
self.planet_labels = {}
|
||||
self.planet_labels[planet.name] = label
|
||||
|
||||
def _draw_moon(self, moon):
|
||||
"""Draw a moon."""
|
||||
grid_pos = moon.grid_position_at_time(self.current_time)
|
||||
screen_pos = self._to_screen(grid_pos)
|
||||
|
||||
moon_circle = mcrfpy.Circle(
|
||||
center=screen_pos,
|
||||
radius=moon.surface_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(200, 200, 200),
|
||||
outline_color=mcrfpy.Color(255, 255, 255, 100),
|
||||
outline=1
|
||||
)
|
||||
self.ui.append(moon_circle)
|
||||
self.moon_circles[moon.name] = moon_circle
|
||||
|
||||
# Moon's orbit path around Earth
|
||||
parent_pos = self._to_screen(moon.parent.grid_position_at_time(self.current_time))
|
||||
moon_path = mcrfpy.Circle(
|
||||
center=parent_pos,
|
||||
radius=moon.orbital_radius * self.scale,
|
||||
fill_color=mcrfpy.Color(0, 0, 0, 0),
|
||||
outline_color=mcrfpy.Color(60, 60, 80),
|
||||
outline=1
|
||||
)
|
||||
self.ui.append(moon_path)
|
||||
self.orbit_rings[moon.name + "_path"] = moon_path
|
||||
|
||||
def _tick(self, runtime):
|
||||
"""Advance time by one turn and update planet positions."""
|
||||
self.current_time += 1
|
||||
|
||||
# Update time display
|
||||
self.time_label.text = f"Turn: {self.current_time}"
|
||||
|
||||
# Update planet positions
|
||||
for planet in self.planets:
|
||||
grid_pos = planet.grid_position_at_time(self.current_time)
|
||||
screen_pos = self._to_screen(grid_pos)
|
||||
|
||||
# Update circle position
|
||||
if planet.name in self.planet_circles:
|
||||
self.planet_circles[planet.name].center = screen_pos
|
||||
self.orbit_rings[planet.name].center = screen_pos
|
||||
|
||||
# Update label position
|
||||
if hasattr(self, 'planet_labels') and planet.name in self.planet_labels:
|
||||
self.planet_labels[planet.name].pos = (
|
||||
screen_pos[0] - 20,
|
||||
screen_pos[1] - planet.surface_radius * self.scale - 15
|
||||
)
|
||||
|
||||
# Update moon positions
|
||||
for moon in self.moons:
|
||||
grid_pos = moon.grid_position_at_time(self.current_time)
|
||||
screen_pos = self._to_screen(grid_pos)
|
||||
|
||||
if moon.name in self.moon_circles:
|
||||
self.moon_circles[moon.name].center = screen_pos
|
||||
|
||||
# Update moon's orbital path center
|
||||
parent_pos = self._to_screen(moon.parent.grid_position_at_time(self.current_time))
|
||||
path_key = moon.name + "_path"
|
||||
if path_key in self.orbit_rings:
|
||||
self.orbit_rings[path_key].center = parent_pos
|
||||
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Reference in New Issue