Doodle3D-Slicer/three.js-master/examples/js/wip/benchmark/Geometry5.js

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2015-06-12 15:58:26 +02:00
/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.Geometry5 = function ( size ) {
THREE.BufferGeometry.call( this );
var verticesBuffer = new Float32Array( size * 3 );
var normalsBuffer = new Float32Array( size * 3 );
var uvsBuffer = new Float32Array( size * 2 );
this.vertices = [];
this.normals = [];
this.uvs = [];
for ( var i = 0; i < size; i ++ ) {
this.vertices.push( new THREE.TypedVector3( verticesBuffer, i * 3 ) );
this.normals.push( new THREE.TypedVector3( normalsBuffer, i * 3 ) );
this.uvs.push( new THREE.TypedVector2( uvsBuffer, i * 2 ) );
}
this.attributes[ 'position' ] = { array: verticesBuffer, itemSize: 3 };
this.attributes[ 'normal' ] = { array: normalsBuffer, itemSize: 3 };
this.attributes[ 'uv' ] = { array: uvsBuffer, itemSize: 2 };
};
THREE.Geometry5.prototype = Object.create( THREE.BufferGeometry.prototype );
THREE.Geometry5.prototype.constructor = THREE.Geometry5;
THREE.TypedVector2 = function ( array, offset ) {
this.array = array;
this.offset = offset;
};
THREE.TypedVector2.prototype = Object.create( THREE.Vector2.prototype );
THREE.TypedVector2.prototype.constructor = THREE.TypedVector2;
Object.defineProperties( THREE.TypedVector2.prototype, {
'x': {
get: function () { return this.array[ this.offset ]; },
set: function ( v ) { this.array[ this.offset ] = v; }
},
'y': {
get: function () { return this.array[ this.offset + 1 ]; },
set: function ( v ) { this.array[ this.offset + 1 ] = v; }
}
} );
THREE.TypedVector3 = function ( array, offset ) {
this.array = array;
this.offset = offset;
};
THREE.TypedVector3.prototype = Object.create( THREE.Vector3.prototype );
THREE.TypedVector3.prototype.constructor = THREE.TypedVector3;
Object.defineProperties( THREE.TypedVector3.prototype, {
'x': {
get: function () { return this.array[ this.offset ]; },
set: function ( v ) { this.array[ this.offset ] = v; }
},
'y': {
get: function () { return this.array[ this.offset + 1 ]; },
set: function ( v ) { this.array[ this.offset + 1 ] = v; }
},
'z': {
get: function () { return this.array[ this.offset + 2 ]; },
set: function ( v ) { this.array[ this.offset + 2 ] = v; }
}
} );