Method setRotationFromMatrix

src/core/Object3D.js:503–509

* Sets the given rotation represented as rotation matrix to the 3D object. * * @param {Matrix4} m - Although a 4x4 matrix is expected, the upper 3x3 portion must be * a pure rotation matrix (i.e, unscaled).

( m )

	 * a pure rotation matrix (i.e, unscaled).
	 */
	setRotationFromMatrix( m ) {

		// assumes the upper 3x3 of m is a pure rotation matrix (i.e, unscaled)

		this.quaternion.setFromRotationMatrix( m );

	}

	/**
	 * Sets the given rotation represented as a Quaternion to the 3D object.