43 lines
1.0 KiB
Rust
43 lines
1.0 KiB
Rust
mod raylib;
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use raylib::*;
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fn main() {
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let screen: Vector2<u32> = Vector2 { x: 800, y: 600 };
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let ball_radius: f32 = 100.0;
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let mut pos: Vector2<f32> = Vector2 {
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x: screen.x as f32 / 2.0,
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y: screen.y as f32 / 2.0,
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};
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let mut velocity: Vector2<f32> = Vector2 { x: 200.0, y: 200.0 };
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init_window(screen.x, screen.y, "Bouncing ball");
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set_target_fps(60);
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while !window_should_close() {
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begin_drawing();
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clear_background(colors::BLACK);
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let dt: f32 = get_frame_time();
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velocity.y += dt * 1000.0;
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let x: f32 = pos.x + velocity.x * dt;
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if x - ball_radius < 0.0 || x + ball_radius >= screen.x as f32{
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velocity.x *= -1.0;
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} else {
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pos.x = x;
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}
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let y: f32 = pos.y + velocity.y * dt;
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if y - ball_radius < 0.0 || y + ball_radius >= screen.y as f32 {
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velocity.y *= -1.0;
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} else {
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pos.y = y;
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}
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draw_circle_v(pos, ball_radius, colors::RED);
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end_drawing();
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}
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}
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