lib/toxi/geom/LineStrip3D.js
function( x, y, z ){
			if( hasXYZ( x ) ){
				//it was 1 param, it was a vector or object
				this.vertices.push( new Vec3D(x) );
			} else {
				this.vertices.push( new Vec3D(x,y,z) );
			}
			return this;
		}
function( x, y, z ){
			if( hasXYZ( x ) ){
				//it was 1 param, it was a vector or object
				this.vertices.push( new Vec3D(x) );
			} else {
				this.vertices.push( new Vec3D(x,y,z) );
			}
			return this;
		}
function ( x , y , z ) { if ( hasXYZ ( x ) ) { //it was 1 param, it was a vector or object this . vertices . push ( new Vec3D ( x ) ) ; } else { this . vertices . push ( new Vec3D ( x , y , z ) ) ; } return this ; }
add a vector to the line-strip, it will always be a copy
@param {Vec3D | Number } x either a Vec3D or an x coordinate
@param {Number} [y]
@param {Number} [z]
@return itself
add a vector to the line - strip it will always be a copy