Merge remote-tracking branch 'cweb/master'

1 files changed, 62 insertions, 0 deletions

diff --git a/extlib/thingiview.js/plane.js b/extlib/thingiview.js/plane.js
new file mode 100644
index 00000000..9f970be0
--- /dev/null
+++ b/extlib/thingiview.js/plane.js
@@ -0,0 +1,62 @@
+/**
+ * @author mr.doob / http://mrdoob.com/
+ * based on http://papervision3d.googlecode.com/svn/trunk/as3/trunk/src/org/papervision3d/objects/primitives/Plane.as
+ */
+
+var Plane = function ( width, height, segments_width, segments_height ) {
+
+	THREE.Geometry.call( this );
+
+	var ix, iy,
+	width_half = width / 2,
+	height_half = height / 2,
+	gridX = segments_width || 1,
+	gridY = segments_height || 1,
+	gridX1 = gridX + 1,
+	gridY1 = gridY + 1,
+	segment_width = width / gridX,
+	segment_height = height / gridY;
+
+
+	for( iy = 0; iy < gridY1; iy++ ) {
+
+		for( ix = 0; ix < gridX1; ix++ ) {
+
+			var x = ix * segment_width - width_half;
+			var y = iy * segment_height - height_half;
+
+			this.vertices.push( new THREE.Vertex( new THREE.Vector3( x, - y, 0 ) ) );
+
+		}
+
+	}
+
+	for( iy = 0; iy < gridY; iy++ ) {
+
+		for( ix = 0; ix < gridX; ix++ ) {
+
+			var a = ix + gridX1 * iy;
+			var b = ix + gridX1 * ( iy + 1 );
+			var c = ( ix + 1 ) + gridX1 * ( iy + 1 );
+			var d = ( ix + 1 ) + gridX1 * iy;
+
+			this.faces.push( new THREE.Face4( a, b, c, d ) );
+			this.uvs.push( [
+						new THREE.UV( ix / gridX, iy / gridY ),
+						new THREE.UV( ix / gridX, ( iy + 1 ) / gridY ),
+						new THREE.UV( ( ix + 1 ) / gridX, ( iy + 1 ) / gridY ),
+						new THREE.UV( ( ix + 1 ) / gridX, iy / gridY )
+					] );
+
+		}
+
+	}
+
+	this.computeCentroids();
+	this.computeFaceNormals();
+	this.sortFacesByMaterial();
+
+};
+
+Plane.prototype = new THREE.Geometry();
+Plane.prototype.constructor = Plane;