index

setup

index.html

@@ -0,0 +1,81 @@
+<script>
+    function loop(inFunc, inDelay)
+    {
+        var output;
+        output = {
+            timeOld:0,
+            timeNew:0,
+            run:false,
+            delay:inDelay,
+            func:inFunc,
+            loop: () =>
+            {
+                if(!output.run){ return; }
+                output.timeOld = output.timeNew;
+                output.timeNew = new Date();
+                output.func(output.timeOld, output.timeNew);
+                setTimeout(output.loop, output.delay);
+            },
+            start: () =>
+            {
+                if(output.run){ return; }
+                output.run = true;
+                output.timeOld = output.timeNew = new Date();
+                output.loop();
+            },
+            stop: () => output.run = false,
+            toggle: () => output.run ? output.stop() : output.start()
+        };
+        return output;
+    }
+</script>
+<script type="module">
+
+    import * as THREE from 'https://unpkg.com/three@0.127.0/build/three.module.js';
+
+    const scene = new THREE.Scene();
+    const camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000 );
+    const geometry = new THREE.BoxGeometry();
+    const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
+    const cube = new THREE.Mesh( geometry, material );
+    const renderer = new THREE.WebGLRenderer();
+
+    renderer.domElement.style.width = "100%";
+    renderer.domElement.style.height = "100%";
+    renderer.domElement.style.display = "block";
+    document.body.appendChild( renderer.domElement );
+
+    scene.add( cube );
+    camera.position.z = 5;
+
+
+    let render = inTime =>
+    {
+        renderer.render( scene, camera );
+    };
+
+    let update = (inTimeOld, inTimeNew) =>
+    {
+        let delta = (inTimeNew - inTimeOld)*0.001;
+        cube.rotation.x += delta;
+    };
+
+    let resize = () =>
+    {
+        let w = renderer.domElement.clientWidth, h = renderer.domElement.clientHeight
+        camera.aspect = w/h ;
+        camera.updateProjectionMatrix();
+        renderer.setSize(w, h, false);
+    };
+
+    window.addEventListener("resize", resize);
+    resize();
+
+    let updateLoop = loop(update, 10);
+    let renderLoop = loop(render, 50);
+    
+    updateLoop.start();
+    renderLoop.start();
+
+
+</script>