Method fromMat2d

packages/melonjs/src/math/matrix3d.ts:135–155

* Copies over the upper-left 2x2 values from the given me.Matrix2d * @param m - the matrix object to copy from * @returns Reference to this object for method chaining

(m: Matrix2d)

	 * @returns Reference to this object for method chaining
	 */
	fromMat2d(m: Matrix2d) {
		const b = m.val;
		return this.setTransform(
			b[0],
			b[3],
			b[6],
			0,
			b[1],
			b[4],
			b[7],
			0,
			b[2],
			b[5],
			b[8],
			0,
			0,
			0,
			0,
			1,
		);
	}

	/**
	 * multiply both matrix