/
3-merge.html
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/
3-merge.html
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<!DOCTYPE html>
<html>
<head>
<title></title>
<style>
body {
padding: 0;
margin: 0;
}
</style>
</head>
<body>
<script src="../bower_components/threejs/build/three.js" type="text/javascript"></script>
<script src="../bower_components/stats.js/build/stats.min.js" type="text/javascript"></script>
<script src="../helvetiker.js" type="text/javascript"></script>
<script>
var container = document.createElement('div'),
details = document.createElement('div'),
stats = new Stats(),
material = new THREE.MeshBasicMaterial({
color: 0xffffff
}),
renderer = new THREE.WebGLRenderer({ antialias: true }),
height = 20,
size = 70,
font = "helvetiker",
camera, cameraTarget, scene, group;
document.body.appendChild(container);
camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 1500 );
camera.position.set(0, 0, 700);
cameraTarget = new THREE.Vector3( 0, 0, 0 );
scene = new THREE.Scene();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
window.addEventListener(
'resize',
onWindowResize,
false
);
details.style.position = 'absolute';
details.style.top = '0px';
details.style.right = '0px';
details.style.width = '100px';
details.style['font-family'] = 'helvetica';
details.style.background = 'black';
details.style.color = 'white';
function createText(text, x, y, z) {
var textGeo = new THREE.TextGeometry(text, {
size: size,
height: height,
font: font
});
textGeo.computeBoundingBox();
textGeo.computeVertexNormals();
textMesh1 = new THREE.Mesh(textGeo, material);
textMesh1.position.x = x;
textMesh1.position.y = y;
textMesh1.position.z = z;
return textMesh1;
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function render() {
this.stats.begin();
camera.lookAt(cameraTarget);
requestAnimationFrame(render);
renderer.clear();
renderer.render(scene, camera);
stats.end();
var rendererInfo = this.renderer.info;
var debugInfo = '<p>Textures: <strong>' + rendererInfo.memory.textures + '</strong></p>' +
'<p>Geometries: <strong>' + rendererInfo.memory.geometries + '</strong></p>' +
'<p>Programs: <strong>' + rendererInfo.memory.programs + '</strong></p>' +
'<p>Vertices: <strong>' + rendererInfo.render.vertices + '</strong></p>' +
'<p>Faces: <strong>' + rendererInfo.render.faces + '</strong></p>' +
'<p>Draw Calls: <strong>' + rendererInfo.render.calls + '</strong></p>';
details.innerHTML = debugInfo;
}
var sceneGeometry = new THREE.Geometry();
var sceneMesh = new THREE.Mesh();
for (var i=0; i < 100; i++) {
var textMesh = createText(i,
Math.floor(Math.random() * 650) - 250,
Math.floor(Math.random() * 200) - 100,
Math.floor(Math.random() * 100) - 50
);
textMesh.updateMatrix();
sceneGeometry.merge(
textMesh.geometry,
textMesh.matrix,
0
);
}
sceneMesh = new THREE.Mesh(sceneGeometry, new THREE.MeshFaceMaterial([material]));
scene.add(sceneMesh);
renderer.setSize(window.innerWidth, window.innerHeight);
container.appendChild(renderer.domElement);
container.appendChild(stats.domElement);
container.appendChild(details);
render();
</script>
</body>
</html>