Method angle

packages/melonjs/src/math/vector3d.ts:452–454

* return the angle between this vector and the passed one * @param v other vector * @returns angle in radians

(v: Vector2d | Vector3d)

	 * @returns angle in radians
	 */
	angle(v: Vector2d | Vector3d) {
		return Math.acos(clamp(this.dot(v) / (this.length() * v.length()), -1, 1));
	}

	/**
	 * project this vector on to another vector.