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cube2.html
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<html>
<head>
<title>DirkRo Cube Demo</title>
<style>
body { margin: 0; }
canvas { width: 100%; height: 100% }
</style>
</head>
<body>
<script src="lib/three/three.min.js"></script>
<script>
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000);
var renderer = new THREE.WebGLRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
// var cube = addCube(scene);
var triangle = addFace(scene);
var light = new THREE.AmbientLight( 0x404040 ); // soft white light
scene.add( light );
camera.position.z = 5;
init();
animate();
// render();
function addCube(scene) {
var geometry = new THREE.BoxGeometry( 1, 2, 1, 3, 3, 3 );
var material = new THREE.MeshBasicMaterial( { color: 0x2194ce, wireframe: false, vertexColors: THREE.VertexColors } );
var cube = new THREE.Mesh( geometry, material );
scene.add( cube );
return cube;
}
function addFace(scene) {
var material = new THREE.MeshStandardMaterial( { color : 0x00cc00 } );
var material2 = new THREE.MeshStandardMaterial( { color : 0x0000cc } );
//create a triangular geometry
var geometry = new THREE.Geometry();
geometry.vertices.push( new THREE.Vector3( 0, 0, 0 ) );
geometry.vertices.push( new THREE.Vector3( 2, -2, -0.5 ) );
geometry.vertices.push( new THREE.Vector3( 2, 2, -0.5) );
//create a new face using vertices 0, 1, 2
var normal = new THREE.Vector3( 0, 1, 0 ); //optional
var color = new THREE.Color( 0xffaa00 ); //optional
var materialIndex = 0; //optional
var face = new THREE.Face3( 0, 1, 2, normal, color, materialIndex );
// var face = new THREE.Face3( 0, 1, 2 );
//add the face to the geometry's faces array
geometry.faces.push( face );
//the face normals and vertex normals can be calculated automatically if not supplied above
geometry.computeFaceNormals();
geometry.computeVertexNormals();
geometry.rotateX(0.01);
geometry.rotateY(0.02);
scene.add( new THREE.Mesh( geometry, material ) );
return geometry;
}
function init() {
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
if (typeof(cube) != "undefined") {
cube.rotation.x += 0.01;
cube.rotation.y += 0.02;
}
if (window.triangle) {
triangle.rotateX(0.01);
// triangle.rotateY(0.02);
// triangle.rotateZ(0.02);
}
renderer.render( scene, camera );
}
function render() {
renderer.render( scene, camera );
}
</script>
</body>
</html>