160 lines
3.6 KiB
Rust
160 lines
3.6 KiB
Rust
//! Advanced fill example with multiple holes and complex shapes
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//!
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//! This example uses manual setup to demonstrate custom window size and UI elements.
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use macroquad::{miniquad::window::set_window_size, prelude::*};
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use turtle_lib::*;
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#[macroquad::main("Advanced Fill Demo")]
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async fn main() {
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set_window_size(2000, 1900);
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let mut t = create_turtle();
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// Example 1: Star shape (concave polygon)
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t.pen_up();
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t.go_to(vec2(-200.0, 100.0));
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t.pen_down();
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t.set_heading(0.0);
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t.set_fill_color(GOLD);
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t.set_pen_color(ORANGE);
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t.set_pen_width(2.0);
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t.set_speed(500);
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t.begin_fill();
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// Draw 5-pointed star
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for _ in 0..5 {
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t.forward(100.0);
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t.right(144.0);
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}
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t.end_fill();
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// Example 2: Swiss cheese (polygon with multiple holes)
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t.pen_up();
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t.go_to(vec2(100.0, 100.0));
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t.pen_down();
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t.set_heading(0.0);
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t.set_fill_color(YELLOW);
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t.set_pen_color(ORANGE);
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t.begin_fill();
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// Outer square
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for _ in 0..4 {
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t.forward(150.0);
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t.right(90.0);
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}
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// First hole (circle)
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t.pen_up();
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t.go_to(vec2(140.0, 130.0));
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t.pen_down();
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t.circle_right(150.0, 360.0, 36);
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// Second hole (circle)
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t.pen_up();
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t.go_to(vec2(200.0, 170.0));
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t.pen_down();
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t.circle_right(10.0, 360.0, 36);
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// Third hole (triangle)
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t.pen_up();
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t.go_to(vec2(160.0, 200.0));
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t.pen_down();
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t.circle_right(15.0, 360.0, 3);
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// Fourth hole (square)
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t.pen_up();
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t.go_to(vec2(190.0, 200.0));
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t.pen_down();
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t.circle_right(15.0, 360.0, 4);
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// fifth hole (pentagon)
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t.pen_up();
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t.go_to(vec2(230.0, 200.0));
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t.pen_down();
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t.circle_right(15.0, 360.0, 5);
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t.end_fill();
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// Example 3: Donut (circle with circular hole)
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t.pen_up();
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t.go_to(vec2(-100.0, -100.0));
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t.pen_down();
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t.set_heading(0.0);
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t.set_fill_color(Color::new(0.8, 0.4, 0.2, 1.0));
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t.set_pen_color(Color::new(0.6, 0.3, 0.1, 1.0));
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t.begin_fill();
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// Outer circle
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for _ in 0..72 {
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t.forward(3.0);
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t.right(5.0);
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}
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// Move to inner circle
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t.pen_up();
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t.go_to(vec2(-75.0, -90.0));
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t.pen_down();
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// Inner circle (hole)
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for _ in 0..72 {
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t.forward(1.5);
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t.right(5.0);
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}
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t.end_fill();
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// Set animation speed
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t.set_speed(500);
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let mut app = TurtleApp::new().with_commands(0, t.build());
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let target_fps = 1.0; // 1 frame per second for debugging
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let frame_time = 1.0 / target_fps;
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let mut last_frame_time = macroquad::time::get_time();
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loop {
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// Frame rate limiting
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let current_time = macroquad::time::get_time();
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let delta = current_time - last_frame_time;
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if delta < frame_time {
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// std::thread::sleep(std::time::Duration::from_secs_f64(frame_time - delta));
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}
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last_frame_time = macroquad::time::get_time();
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clear_background(Color::new(0.95, 0.95, 0.98, 1.0));
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app.update();
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app.render();
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// Instructions
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draw_text(
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"Advanced Fill Demo: Star, Swiss Cheese, Donut",
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10.0,
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20.0,
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20.0,
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BLACK,
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);
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draw_text(
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"Features: concave polygons, multiple holes, pen_up during fill",
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10.0,
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40.0,
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16.0,
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DARKGRAY,
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);
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draw_text(
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"Mouse: drag to pan, scroll to zoom",
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10.0,
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60.0,
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16.0,
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DARKGRAY,
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);
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next_frame().await
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}
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}
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