<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8" />
<title>WASM + WebGL2 Canvas</title>
<style>
body {
margin: 0;
background: #111;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
overflow: hidden;
}
canvas {
width: 100%;
height: 100%;
position: absolute;
}
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script type="module">
import initWasmModule from '/js/render_wasm.js';
import {
init, addShapeSolidFill, assignCanvas, hexToU32ARGB, getRandomInt, getRandomColor,
getRandomFloat, useShape, setShapeChildren, setupInteraction, set_parent, draw_star,
addShapeSolidStroleFill
} from './js/lib.js';
const canvas = document.getElementById("canvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
const params = new URLSearchParams(document.location.search);
const shapes = params.get("shapes") || 1000;
initWasmModule().then(Module => {
init(Module);
assignCanvas(canvas);
Module._set_canvas_background(hexToU32ARGB("#FABADA", 1));
Module._set_view(1, 0, 0);
Module._init_shapes_pool(shapes + 1);
setupInteraction(canvas);
const children = [];
for (let i = 0; i < shapes; i++) {
const uuid = crypto.randomUUID();
children.push(uuid);
useShape(uuid);
Module._set_parent(0, 0, 0, 0);
Module._set_shape_type(4);
const x1 = getRandomInt(0, canvas.width);
const y1 = getRandomInt(0, canvas.height);
const width = getRandomInt(20, 200);
const height = getRandomInt(20, 200);
Module._set_shape_selrect(x1, y1, x1 + width, y1 + height);
draw_star(x1, y1, width, height);
const color = getRandomColor();
const argb = hexToU32ARGB(color, getRandomFloat(0.1, 1.0));
addShapeSolidFill(argb)
Module._add_shape_center_stroke(10, 0, 0, 0);
const argb2 = hexToU32ARGB(color, getRandomFloat(0.1, 1.0));
addShapeSolidStroleFill(argb2);
}
useShape("00000000-0000-0000-0000-000000000000");
setShapeChildren(children);
performance.mark('render:begin');
Module._render(Date.now());
performance.mark('render:end');
const { duration } = performance.measure('render', 'render:begin', 'render:end');
// alert(`render time: ${duration.toFixed(2)}ms`);
});
</script>
</body>
</html>