Method setAngleAxis

src/main/java/field/linalg/Quat.java:327–338

Set this quaternion to be a representation of the supplied axis and angle (in radians). @param angle the angle in radians @param axisX the x-coordinate of the rotation axis @param axisY the y-coordinate of the rotation axis @param axisZ the z-coordinate of the rotation axis @return this

(double angle, double axisX, double axisY, double axisZ)

	 * @param axisZ the z-coordinate of the rotation axis
	 * @return this
	 */
	public Quat setAngleAxis(double angle, double axisX, double axisY, double axisZ) {
		double hangle = angle / 2.0;
		double sinAngle = Math.sin(hangle);
		double vLength = Math.sqrt(axisX * axisX + axisY * axisY + axisZ * axisZ);

		x = axisX / vLength * sinAngle;
		y = axisY / vLength * sinAngle;
		z = axisZ / vLength * sinAngle;
		w = Math.cos(hangle);

		return this;
	}

	/**