declare namespace openfl.geom {
	export enum Orientation3D {
		/**
		 * 		The axis angle orientation uses a combination of an
		 * 		axis and an angle to determine the orientation.
		 * 		A line or vector from the center of a three-dimensional globe to
		 * 		the surface is an example of an axis. The axis around which the object
		 * 		is rotated is a unit vector that represents any possible direction in the
		 * 		three-dimensional space. The angle represents the magnitude of the
		 * 		rotation about the vector.
		 * 		The direction determines where a display object is facing and the roll
		 * 		angle determines which way is up. You can use Vector3D and the Matrix3D
		 * 		objects to determine the various matrix transformations as well as to determine
		 * 		important three-dimensional programming values such as the distance to the
		 * 		intersection of two objects that can be used to detect simple collision
		 * 		between three-dimensional objects.
		 * 
		 * 		The `Matrix3D.appendRotation()` and `Matrix3D.prependRotation()` methods
		 * 		use the axis angle orientation.
		 * 	
		 */
		AXIS_ANGLE = "axisAngle",
		/**
		 * 		Euler angles, the default orientation for `decompose()` and `recompose()` methods,
		 * 		defines the orientation with three separate angles of rotation for each axis.
		 * 		Usually, a rotation around the x axis is followed by a rotation around the y axis,
		 * 		which is followed by a rotation around the z axis.
		 * 
		 * 		Euler angles can sometimes lead to animation errors because of problems such as
		 * 		singularities when rotating around the x axis or gimbal lock.
		 * 		For example, since with Euler angles each axis is handled independently, gimbal lock
		 * 		can occur during the rotation around two or more axes.
		 * 		The axes can become aligned, leading to unexpected results.
		 * 
		 * 		The axis rotation properties of the display object perform Euler angles rotation.
		 * 	
		 */
		EULER_ANGLES = "eulerAngles",
		/**
		 * 		The quaternion orientation uses complex numbers. An orientation in quaternion is
		 * 		by the three axes of rotation (x,y,z) and an angle of rotation (w). Quaternion
		 * 		guarantees the shortest, most efficient path for the rotation. It also produces a
		 * 		smooth, gimbal-lock-free rotation. A gimbal lock can occur when during the rotation
		 * 		around two or more axes the axes are aligned, leading to unexpected results.
		 * 
		 * 		The `Matrix3D.interpolate()` method uses quaternion.
		 * 
		 * 	
		 */
		QUATERNION = "quaternion",
	}
}
export default openfl.geom.Orientation3D;