* specifies a 2D scale operation using the [1,sy] scaling vector * @param y - y scaling vector * @returns Reference to this object for method chaining
(y: number)
| 662 | * @returns Reference to this object for method chaining |
| 663 | */ |
| 664 | scaleY(y: number) { |
| 665 | return this.scale(1, y); |
| 666 | } |
| 667 | |
| 668 | /** |
| 669 | * rotate this matrix (counter-clockwise) by the specified angle (in radians). |