Quat.Delta

static Quat Delta(Quat from, Quat to)

Creates a quaternion that goes from one rotation to another.


Quat from	The origin rotation.
Quat to	And the target rotation!
RETURNS: Quat	The quaternion between from and to.

static Quat Delta(Vec3 from, Vec3 to)

Creates a rotation that goes from one direction to another. Which is comes in handy when trying to roll something around with position data.


Vec3 from	The origin direction.
Vec3 to	And the target direction!
RETURNS: Quat	The quaternion between from and to.

Examples

Pose spherePose  = new Pose(-1, 0, 1, Quat.Identity);
Quat sphereDelta = Quat.Identity;
Vec3 oldPalmPos;
void SpinningSphere()
{
	// Draw a sphere that you can spin around with your right hand!
	Vec3 palmPos = Input.Hand(Handed.Right).palm.position - spherePose.position;
	if (palmPos.Length < 0.3f)
	{
		sphereDelta = Quat.Delta(oldPalmPos.Normalized, palmPos.Normalized);
	}
	spherePose.orientation = sphereDelta * spherePose.orientation;
	oldPalmPos = palmPos;
	Mesh.Sphere.Draw(matDev, spherePose.ToMatrix(0.5f));
}

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