mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-26 23:44:56 +01:00
271 lines
6.3 KiB
HTML
Executable File
271 lines
6.3 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - cameras</title>
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
<style>
|
|
body {
|
|
color: #808080;
|
|
font-family:Monospace;
|
|
font-size:13px;
|
|
text-align:center;
|
|
|
|
background-color: #000;
|
|
margin: 0px;
|
|
overflow: hidden;
|
|
}
|
|
|
|
#info {
|
|
position: absolute;
|
|
top: 0px; width: 100%;
|
|
padding: 5px;
|
|
z-index: 100;
|
|
}
|
|
|
|
a {
|
|
|
|
color: #0080ff;
|
|
}
|
|
|
|
b { color: lightgreen }
|
|
|
|
#stats { position: absolute; top:0; left: 0 }
|
|
#stats #fps { background: transparent !important }
|
|
#stats #fps #fpsText { color: #777 !important }
|
|
#stats #fps #fpsGraph { display: none }
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - cameras<br/>
|
|
<b>O</b> orthographic <b>P</b> perspective
|
|
</div>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
<script src="js/libs/stats.min.js"></script>
|
|
|
|
<script>
|
|
|
|
var SCREEN_WIDTH = window.innerWidth;
|
|
var SCREEN_HEIGHT = window.innerHeight;
|
|
|
|
var container, stats;
|
|
var camera, scene, renderer, mesh;
|
|
var cameraRig, activeCamera, activeHelper;
|
|
var cameraPerspective, cameraOrtho;
|
|
var cameraPerspectiveHelper, cameraOrthoHelper;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
//
|
|
|
|
camera = new THREE.PerspectiveCamera( 50, 0.5 * SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
|
|
camera.position.z = 2500;
|
|
|
|
cameraPerspective = new THREE.PerspectiveCamera( 50, 0.5 * SCREEN_WIDTH / SCREEN_HEIGHT, 150, 1000 );
|
|
|
|
cameraPerspectiveHelper = new THREE.CameraHelper( cameraPerspective );
|
|
scene.add( cameraPerspectiveHelper );
|
|
|
|
//
|
|
|
|
cameraOrtho = new THREE.OrthographicCamera( 0.5 * SCREEN_WIDTH / - 2, 0.5 * SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2, SCREEN_HEIGHT / - 2, 150, 1000 );
|
|
|
|
cameraOrthoHelper = new THREE.CameraHelper( cameraOrtho );
|
|
scene.add( cameraOrthoHelper );
|
|
|
|
//
|
|
|
|
activeCamera = cameraPerspective;
|
|
activeHelper = cameraPerspectiveHelper;
|
|
|
|
|
|
// counteract different front orientation of cameras vs rig
|
|
|
|
cameraOrtho.rotation.y = Math.PI;
|
|
cameraPerspective.rotation.y = Math.PI;
|
|
|
|
cameraRig = new THREE.Object3D();
|
|
|
|
cameraRig.add( cameraPerspective );
|
|
cameraRig.add( cameraOrtho );
|
|
|
|
scene.add( cameraRig );
|
|
|
|
//
|
|
|
|
mesh = new THREE.Mesh( new THREE.SphereGeometry( 100, 16, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff, wireframe: true } ) );
|
|
scene.add( mesh );
|
|
|
|
var mesh2 = new THREE.Mesh( new THREE.SphereGeometry( 50, 16, 8 ), new THREE.MeshBasicMaterial( { color: 0x00ff00, wireframe: true } ) );
|
|
mesh2.position.y = 150;
|
|
mesh.add( mesh2 );
|
|
|
|
var mesh3 = new THREE.Mesh( new THREE.SphereGeometry( 5, 16, 8 ), new THREE.MeshBasicMaterial( { color: 0x0000ff, wireframe: true } ) );
|
|
mesh3.position.z = 150;
|
|
cameraRig.add( mesh3 );
|
|
|
|
//
|
|
|
|
var geometry = new THREE.Geometry();
|
|
|
|
for ( var i = 0; i < 10000; i ++ ) {
|
|
|
|
var vertex = new THREE.Vector3();
|
|
vertex.x = THREE.Math.randFloatSpread( 2000 );
|
|
vertex.y = THREE.Math.randFloatSpread( 2000 );
|
|
vertex.z = THREE.Math.randFloatSpread( 2000 );
|
|
|
|
geometry.vertices.push( vertex );
|
|
|
|
}
|
|
|
|
var particles = new THREE.PointCloud( geometry, new THREE.PointCloudMaterial( { color: 0x888888 } ) );
|
|
scene.add( particles );
|
|
|
|
//
|
|
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
|
|
renderer.domElement.style.position = "relative";
|
|
container.appendChild( renderer.domElement );
|
|
|
|
renderer.autoClear = false;
|
|
|
|
//
|
|
|
|
stats = new Stats();
|
|
container.appendChild( stats.domElement );
|
|
|
|
//
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
document.addEventListener( 'keydown', onKeyDown, false );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function onKeyDown ( event ) {
|
|
|
|
switch( event.keyCode ) {
|
|
|
|
case 79: /*O*/
|
|
|
|
activeCamera = cameraOrtho;
|
|
activeHelper = cameraOrthoHelper;
|
|
|
|
break;
|
|
|
|
case 80: /*P*/
|
|
|
|
activeCamera = cameraPerspective;
|
|
activeHelper = cameraPerspectiveHelper;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
//
|
|
|
|
function onWindowResize( event ) {
|
|
|
|
SCREEN_WIDTH = window.innerWidth;
|
|
SCREEN_HEIGHT = window.innerHeight;
|
|
|
|
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
|
|
|
|
camera.aspect = 0.5 * SCREEN_WIDTH / SCREEN_HEIGHT;
|
|
camera.updateProjectionMatrix();
|
|
|
|
cameraPerspective.aspect = 0.5 * SCREEN_WIDTH / SCREEN_HEIGHT;
|
|
cameraPerspective.updateProjectionMatrix();
|
|
|
|
cameraOrtho.left = - 0.5 * SCREEN_WIDTH / 2;
|
|
cameraOrtho.right = 0.5 * SCREEN_WIDTH / 2;
|
|
cameraOrtho.top = SCREEN_HEIGHT / 2;
|
|
cameraOrtho.bottom = - SCREEN_HEIGHT / 2;
|
|
cameraOrtho.updateProjectionMatrix();
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
|
|
function render() {
|
|
|
|
var r = Date.now() * 0.0005;
|
|
|
|
mesh.position.x = 700 * Math.cos( r );
|
|
mesh.position.z = 700 * Math.sin( r );
|
|
mesh.position.y = 700 * Math.sin( r );
|
|
|
|
mesh.children[ 0 ].position.x = 70 * Math.cos( 2 * r );
|
|
mesh.children[ 0 ].position.z = 70 * Math.sin( r );
|
|
|
|
if ( activeCamera === cameraPerspective ) {
|
|
|
|
cameraPerspective.fov = 35 + 30 * Math.sin( 0.5 * r );
|
|
cameraPerspective.far = mesh.position.length();
|
|
cameraPerspective.updateProjectionMatrix();
|
|
|
|
cameraPerspectiveHelper.update();
|
|
cameraPerspectiveHelper.visible = true;
|
|
|
|
cameraOrthoHelper.visible = false;
|
|
|
|
} else {
|
|
|
|
cameraOrtho.far = mesh.position.length();
|
|
cameraOrtho.updateProjectionMatrix();
|
|
|
|
cameraOrthoHelper.update();
|
|
cameraOrthoHelper.visible = true;
|
|
|
|
cameraPerspectiveHelper.visible = false;
|
|
|
|
}
|
|
|
|
cameraRig.lookAt( mesh.position );
|
|
|
|
renderer.clear();
|
|
|
|
activeHelper.visible = false;
|
|
|
|
renderer.setViewport( 0, 0, SCREEN_WIDTH/2, SCREEN_HEIGHT );
|
|
renderer.render( scene, activeCamera );
|
|
|
|
activeHelper.visible = true;
|
|
|
|
renderer.setViewport( SCREEN_WIDTH/2, 0, SCREEN_WIDTH/2, SCREEN_HEIGHT );
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|