Docs: Simplified BufferGeometry example.

docs/api/core/BufferGeometry.html

@@ -27,25 +27,15 @@
 		var geometry = new THREE.BufferGeometry();
 		// create a simple square shape. We duplicate the top left and bottom right
 		// vertices because each vertex needs to appear once per triangle.
-		var vertexPositions = [
-			[-1.0, -1.0,  1.0],
-			[ 1.0, -1.0,  1.0],
-			[ 1.0,  1.0,  1.0],
-
-			[ 1.0,  1.0,  1.0],
-			[-1.0,  1.0,  1.0],
-			[-1.0, -1.0,  1.0]
-		];
-		var vertices = new Float32Array( vertexPositions.length * 3 ); // three components per vertex
-
-		// components of the position vector for each vertex are stored
-		// contiguously in the buffer.
-		for ( var i = 0; i < vertexPositions.length; i++ )
-		{
-			vertices[ i*3 + 0 ] = vertexPositions[i][0];
-			vertices[ i*3 + 1 ] = vertexPositions[i][1];
-			vertices[ i*3 + 2 ] = vertexPositions[i][2];
-		}
+		var vertices = new Float32Array( [
+			-1.0, -1.0,  1.0,
+			 1.0, -1.0,  1.0,
+			 1.0,  1.0,  1.0,
+
+			 1.0,  1.0,  1.0,
+			-1.0,  1.0,  1.0,
+			-1.0, -1.0,  1.0
+		] );
 
 		// itemSize = 3 because there are 3 values (components) per vertex
 		geometry.addAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );