76 lines
1.9 KiB
HTML
76 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Shapes - Collision</title>
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<style>
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* {
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box-sizing: border-box;
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}
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html {
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height: 100%;
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}
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body {
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min-height: 100%;
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position: relative;
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margin: 0;
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}
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fc-geometry {
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border: 2px solid black;
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}
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</style>
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</head>
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<body>
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<fc-geometry x="100" y="100" width="50" height="50"></fc-geometry>
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<fc-geometry x="200" y="200" width="50" height="50"></fc-geometry>
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<script type="module">
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import { FolkGeometry } from '../src/canvas/fc-geometry.ts';
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FolkGeometry.register();
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const geometryElements = document.querySelectorAll('fc-geometry');
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function collisionDetection(rect1, rect2) {
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return (
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rect1.left < rect2.right &&
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rect1.right > rect2.left &&
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rect1.top < rect2.bottom &&
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rect1.bottom > rect2.top
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);
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}
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function handleCollision(e) {
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geometryElements.forEach((el) => {
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if (
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el !== e.target &&
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collisionDetection(
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// TODO: refactor this hack once resizing and the vertices API are figured out
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DOMRectReadOnly.fromRect({
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x: el.x,
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y: el.y,
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height: el.height,
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width: el.width,
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}),
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DOMRectReadOnly.fromRect({
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x: e.target.x,
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y: e.target.y,
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height: e.target.height,
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width: e.target.width,
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})
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)
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) {
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e.preventDefault();
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}
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});
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}
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document.addEventListener('move', handleCollision);
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document.addEventListener('resize', handleCollision);
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</script>
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</body>
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</html>
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