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Animated ball

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This commit is contained in:
Greg Shuflin
2026-07-06 19:40:54 -07:00
parent 8285e91b96
commit 08eed33634
1 changed files with 8 additions and 16 deletions
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src/main.rs
+8 -16
View File
@@ -9,23 +9,15 @@ fn view(app: &App) {
draw.background().color(PLUM);
draw.rect().color(STEEL_BLUE);
let points = (0..50).map(|i| {
let x = i as f32 - 25.0;
let point = pt2(x, x.sin()) * 20.0;
(point, RED)
});
draw.polyline().weight(3.0).points_colored(points);
let sine = (app.time()*3.0).sin();
let slowersine = (app.time()).sin();
let radius = 160.0;
let step = 45;
let points = (0..=360).step_by(step).map(|i| {
let radian = deg_to_rad(i as f32);
let x = radian.cos() * radius;
let y = radian.sin() * radius;
(pt2(x, y), LIGHT_STEEL_BLUE)
});
let boundary = app.window_rect();
draw.polygon().points_colored(points).x_y(-100.0, -200.0);
let x = map_range(sine, -1.0, 1.0, boundary.left(), boundary.right());
let y = map_range(slowersine, -1.0, 1.0, boundary.bottom(), boundary.top());
draw.ellipse().color(STEEL_BLUE).x_y(x, y);
}