lib/toxi/color/TColor.js
function(rgba, offset) {
        rgba = rgba || [];
        offset = offset || 0;
		rgba[offset++] = this.rgb[0];
		rgba[offset++] = this.rgb[1];
		rgba[offset++] = this.rgb[2];
		rgba[offset] = this._alpha;
		return rgba;
	}
function(rgba, offset) {
        rgba = rgba || [];
        offset = offset || 0;
		rgba[offset++] = this.rgb[0];
		rgba[offset++] = this.rgb[1];
		rgba[offset++] = this.rgb[2];
		rgba[offset] = this._alpha;
		return rgba;
	}
function ( rgba , offset ) { rgba = rgba || [ ] ; offset = offset || 0 ; rgba [ offset ++ ] = this . rgb [ 0 ] ; rgba [ offset ++ ] = this . rgb [ 1 ] ; rgba [ offset ++ ] = this . rgb [ 2 ] ; rgba [ offset ] = this . _alpha ; return rgba ; }
to an Array of RGBA values
@param rgba
@param offset (optional)
@return rgba array
to an Array of RGBA values