mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-07-08 11:40:43 +02:00
110 lines
2.8 KiB
JavaScript
Executable File
110 lines
2.8 KiB
JavaScript
Executable File
function generateGeometry(objectType, numObjects) {
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var geometry = new THREE.Geometry();
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function applyVertexColors( g, c ) {
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g.faces.forEach( function( f ) {
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var n = ( f instanceof THREE.Face3 ) ? 3 : 4;
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for ( var j = 0; j < n; j ++ ) {
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f.vertexColors[ j ] = c;
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}
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} );
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}
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for ( var i = 0; i < numObjects; i ++ ) {
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var position = new THREE.Vector3();
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position.x = Math.random() * 10000 - 5000;
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position.y = Math.random() * 6000 - 3000;
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position.z = Math.random() * 8000 - 4000;
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var rotation = new THREE.Euler();
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rotation.x = Math.random() * 2 * Math.PI;
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rotation.y = Math.random() * 2 * Math.PI;
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rotation.z = Math.random() * 2 * Math.PI;
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var scale = new THREE.Vector3();
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var geom, color = new THREE.Color();
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scale.x = Math.random() * 200 + 100;
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if ( objectType == "cube" )
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{
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geom = new THREE.BoxGeometry( 1, 1, 1 );
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scale.y = Math.random() * 200 + 100;
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scale.z = Math.random() * 200 + 100;
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color.setRGB( 0, 0, Math.random() + 0.1 );
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}
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else if ( objectType == "sphere" )
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{
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geom = new THREE.IcosahedronGeometry( 1, 1 )
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scale.y = scale.z = scale.x;
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color.setRGB( Math.random() + 0.1, 0, 0 );
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}
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// give the geom's vertices a random color, to be displayed
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applyVertexColors( geom, color );
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var mesh = new THREE.Mesh( geom );
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mesh.position.copy( position );
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mesh.rotation.copy( rotation );
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mesh.scale.copy( scale );
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mesh.updateMatrix();
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geometry.merge( mesh.geometry, mesh.matrix );
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}
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return geometry;
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}
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function Scene ( type, numObjects, cameraZ, fov, rotationSpeed, clearColor ) {
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this.clearColor = clearColor;
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this.camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 10000 );
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this.camera.position.z = cameraZ;
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// Setup scene
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this.scene = new THREE.Scene();
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this.scene.add( new THREE.AmbientLight( 0x555555 ) );
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var light = new THREE.SpotLight( 0xffffff, 1.5 );
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light.position.set( 0, 500, 2000 );
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this.scene.add( light );
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this.rotationSpeed = rotationSpeed;
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defaultMaterial = new THREE.MeshLambertMaterial({ color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors } );
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this.mesh = new THREE.Mesh( generateGeometry( type, numObjects ), defaultMaterial );
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this.scene.add( this.mesh );
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renderTargetParameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBuffer: false };
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this.fbo = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, renderTargetParameters );
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this.render = function( delta, rtt ) {
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this.mesh.rotation.x += delta * this.rotationSpeed.x;
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this.mesh.rotation.y += delta * this.rotationSpeed.y;
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this.mesh.rotation.z += delta * this.rotationSpeed.z;
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renderer.setClearColor( this.clearColor );
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if (rtt)
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renderer.render( this.scene, this.camera, this.fbo, true );
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else
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renderer.render( this.scene, this.camera );
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};
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}
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