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@@ -0,0 +1,147 @@
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+
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+THREE.Geometry99 = function ( ) {
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+
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+ THREE.BufferGeometry.call( this );
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+
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+};
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+
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+THREE.Geometry99.prototype = Object.create( THREE.BufferGeometry.prototype );
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+
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+Object.defineProperties(THREE.Geometry99.prototype, {
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+ vertices: {
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+ enumerable: true,
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+ get: function() { return this.createVertexProxies(); }
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+ },
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+ faces: {
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+ enumerable: true,
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+ get: function() { return this.createFaceProxies() }
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+ },
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+ faceVertexUvs: {
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+ enumerable: true,
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+ get: function() { return this.createUvProxies() }
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+ },
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+ // TODO - fill in additional proxies:
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+ // - colors
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+ // - morphColors
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+ // - morphNormals
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+ // - morphTargets
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+ // - skinIndex
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+ // - skinWeights
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+});
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+
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+THREE.Geometry99.prototype.createVertexProxies = function() {
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+
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+ // Replace the prototype getter with a local array property
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+
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+ Object.defineProperty( this, "vertices", { value: [] } );
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+
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+ // If the attribute buffer has already been populated, set up proxy objects
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+
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+ this.populateProxyFromBuffer(this.vertices, "position", THREE.TypedVector3, 3);
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+
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+ // Return a reference to the newly-created array
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+
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+ return this.vertices;
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+
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+}
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+
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+THREE.Geometry99.prototype.createFaceProxies = function() {
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+
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+ // Replace the prototype getter with a local array property
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+
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+ Object.defineProperty( this, "faces", { value: [] } );
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+
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+ // If the attribute buffer has already been populated, set up proxy objects
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+
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+ if ( this.attributes.index ) {
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+
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+ this.populateProxyFromBuffer(this.faces, "index", THREE.TypedFace3, 3);
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+
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+ } else {
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+
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+ // TODO - should be able to generate Face data even for non-indexed geometries
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+
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+ }
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+
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+ // Return a reference to the newly-created array
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+
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+ return this.faces;
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+
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+}
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+THREE.Geometry99.prototype.createUvProxies = function() {
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+
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+ // Replace the prototype getter with a local array property
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+
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+ Object.defineProperty( this, "faceVertexUvs", { value: [[]] } );
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+
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+ // If the attribute buffer has already been populated, set up proxy objects
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+
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+ if ( this.attributes.uv ) {
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+
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+ var faces = this.faces;
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+ var uvarray = this.attributes.uv.array;
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+
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+ for (var i = 0, l = faces.length; i < l; i++) {
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+ var f = faces[i];
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+
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+ this.faceVertexUvs[0][i] = [];
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+ this.faceVertexUvs[0][i][0] = new THREE.TypedVector2(uvarray, f.a * 2);
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+ this.faceVertexUvs[0][i][1] = new THREE.TypedVector2(uvarray, f.b * 2);
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+ this.faceVertexUvs[0][i][2] = new THREE.TypedVector2(uvarray, f.c * 2);
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+
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+ }
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+
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+ }
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+
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+ // Return a reference to the newly-created array
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+
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+ return this.faceVertexUvs;
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+
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+}
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+THREE.Geometry99.prototype.populateProxyFromBuffer = function(attr, buffername, proxytype, itemsize, offset, count) {
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+
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+ if ( this.attributes[ buffername ] ) {
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+
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+ var array = this.attributes[ buffername ].array;
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+ var size = itemsize || this.attributes[ buffername ].itemSize;
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+ var start = offset || 0;
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+ var count = count || (array.length / size - start);
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+
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+ for ( var i = start, l = start + count; i < l; i ++ ) {
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+
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+ attr.push( new proxytype( array, i * size ) );
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+
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+ }
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+
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+ }
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+
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+}
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+
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+THREE.TypedFace3 = function ( array, offset ) {
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+
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+ this.array = array;
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+ this.offset = offset;
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+
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+ //THREE.Face3.call( this, array[offset], array[offset+1], array[offset+2] /*, normal, color, materialIndex */);
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+
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+}
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+
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+THREE.TypedFace3.prototype = Object.create( THREE.Face3.prototype );
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+
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+Object.defineProperties( THREE.TypedFace3.prototype, {
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+ 'a': {
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+ enumerable: true,
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+ get: function () { return this.array[ this.offset ]; },
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+ set: function ( v ) { this.array[ this.offset ] = v; }
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+ },
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+ 'b': {
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+ enumerable: true,
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+ get: function () { return this.array[ this.offset + 1 ]; },
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+ set: function ( v ) { this.array[ this.offset + 1 ] = v; }
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+ },
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+ 'c': {
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+ enumerable: true,
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+ get: function () { return this.array[ this.offset + 2 ]; },
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+ set: function ( v ) { this.array[ this.offset + 2 ] = v; }
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+ },
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+} );
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James Baicoianu