Added PlaneBufferGeometry.

examples/js/wip/benchmark/PlaneBufferGeometry.js → src/extras/geometries/PlaneBufferGeometry.js

@@ -7,6 +7,8 @@ THREE.PlaneBufferGeometry = function ( width, height, widthSegments, heightSegme
 
 	THREE.BufferGeometry.call( this );
 
+	this.type = 'PlaneBufferGeometry';
+
 	this.parameters = {
 		width: width,
 		height: height,
@@ -58,7 +60,7 @@ THREE.PlaneBufferGeometry = function ( width, height, widthSegments, heightSegme
 
 	offset = 0;
 
-	var indices = new Uint16Array( gridX * gridY * 6 );
+	var indices = new ( ( vertices.length / 3 ) > 65535 ? Uint32Array : Uint16Array )( gridX * gridY * 6 );
 
 	for ( var iy = 0; iy < gridY; iy ++ ) {
 
@@ -83,10 +85,10 @@ THREE.PlaneBufferGeometry = function ( width, height, widthSegments, heightSegme
 
 	}
 
-	this.attributes[ 'index' ] = { array: indices, itemSize: 1 };
-	this.attributes[ 'position' ] = { array: vertices, itemSize: 3 };
-	this.attributes[ 'normal' ] = { array: normals, itemSize: 3 };
-	this.attributes[ 'uv' ] = { array: uvs, itemSize: 2 };
+	this.addAttribute( 'index', new THREE.BufferAttribute( indices, 1 ) );
+	this.addAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );
+	this.addAttribute( 'normal', new THREE.BufferAttribute( normals, 3 ) );
+	this.addAttribute( 'uv', new THREE.BufferAttribute( uvs, 2 ) );
 
 };
 

src/extras/geometries/PlaneGeometry.js

@@ -8,7 +8,7 @@ THREE.PlaneGeometry = function ( width, height, widthSegments, heightSegments )
 	THREE.Geometry.call( this );
 
 	this.type = 'PlaneGeometry';
-	
+
 	this.parameters = {
 		width: width,
 		height: height,
@@ -16,66 +16,7 @@ THREE.PlaneGeometry = function ( width, height, widthSegments, heightSegments )
 		heightSegments: heightSegments
 	};
 
-	var ix, iz;
-	var width_half = width / 2;
-	var height_half = height / 2;
-
-	var gridX = widthSegments || 1;
-	var gridZ = heightSegments || 1;
-
-	var gridX1 = gridX + 1;
-	var gridZ1 = gridZ + 1;
-
-	var segment_width = width / gridX;
-	var segment_height = height / gridZ;
-
-	var normal = new THREE.Vector3( 0, 0, 1 );
-
-	for ( iz = 0; iz < gridZ1; iz ++ ) {
-
-		var y = iz * segment_height - height_half;
-
-		for ( ix = 0; ix < gridX1; ix ++ ) {
-
-			var x = ix * segment_width - width_half;
-
-			this.vertices.push( new THREE.Vector3( x, - y, 0 ) );
-
-		}
-
-	}
-
-	for ( iz = 0; iz < gridZ; iz ++ ) {
-
-		for ( ix = 0; ix < gridX; ix ++ ) {
-
-			var a = ix + gridX1 * iz;
-			var b = ix + gridX1 * ( iz + 1 );
-			var c = ( ix + 1 ) + gridX1 * ( iz + 1 );
-			var d = ( ix + 1 ) + gridX1 * iz;
-
-			var uva = new THREE.Vector2( ix / gridX, 1 - iz / gridZ );
-			var uvb = new THREE.Vector2( ix / gridX, 1 - ( iz + 1 ) / gridZ );
-			var uvc = new THREE.Vector2( ( ix + 1 ) / gridX, 1 - ( iz + 1 ) / gridZ );
-			var uvd = new THREE.Vector2( ( ix + 1 ) / gridX, 1 - iz / gridZ );
-
-			var face = new THREE.Face3( a, b, d );
-			face.normal.copy( normal );
-			face.vertexNormals.push( normal.clone(), normal.clone(), normal.clone() );
-
-			this.faces.push( face );
-			this.faceVertexUvs[ 0 ].push( [ uva, uvb, uvd ] );
-
-			face = new THREE.Face3( b, c, d );
-			face.normal.copy( normal );
-			face.vertexNormals.push( normal.clone(), normal.clone(), normal.clone() );
-
-			this.faces.push( face );
-			this.faceVertexUvs[ 0 ].push( [ uvb.clone(), uvc, uvd.clone() ] );
-
-		}
-
-	}
+	this.fromBufferGeometry( new THREE.PlaneBufferGeometry( width, height, widthSegments, heightSegments ) );
 
 };
 

utils/build/includes/extras.json

@@ -31,6 +31,7 @@
 	"src/extras/geometries/ShapeGeometry.js",
 	"src/extras/geometries/LatheGeometry.js",
 	"src/extras/geometries/PlaneGeometry.js",
+	"src/extras/geometries/PlaneBufferGeometry.js",
 	"src/extras/geometries/RingGeometry.js",
 	"src/extras/geometries/SphereGeometry.js",
 	"src/extras/geometries/TextGeometry.js",