public override void Update()
{
if (isDirty)
{
if (parent != null)
{
position = parent.localPosition + parent.localRotation * (localPosition * parent.localScale);
rotation = parent.localRotation * localRotation;
scale = parent.localScale * localScale;
localEulerAngles = Core.Quaternion.EulerAngles(localRotation);
eulerAngles = Core.Quaternion.EulerAngles(rotation);
}
else
{
position = localPosition;
rotation = localRotation;
scale = localScale;
localEulerAngles = Core.Quaternion.EulerAngles(localRotation);
eulerAngles = localEulerAngles;
}
isDirty = false;
}
}
public void Rotate(Core.Vector3 eulerAngles, SpaceType relativeTo = SpaceType.Local)
{
switch (relativeTo)
{
case SpaceType.Local:
{
localRotation *= Core.Quaternion.EulerAngles(eulerAngles);
}
break;
case SpaceType.World:
{
if (parent != null)
{
Core.Quaternion scaleAdjust = new Core.Quaternion(parent.localScale.Y * parent.localScale.Z, parent.localScale.X * parent.localScale.Z, parent.localScale.X * parent.localScale.Y, 0f);
localRotation *= (parent.localRotation.conjugate * Core.Quaternion.EulerAngles(eulerAngles)) * scaleAdjust;
}
else
{
localRotation *= Core.Quaternion.EulerAngles(eulerAngles);
}
}
break;
}
isDirty = true;
}
/// <summary>
/// Converts a Fox Engine Quaternion to a Unity Quaternion.
/// </summary>
/// <param name="foxQuat">The Fox Engine Quaternion.</param>
/// <returns>The Unity Quaternion.</returns>
public static Quaternion FoxToUnity(Core.Quaternion foxQuat)
{
var angle = 0.0f;
var axis = Vector3.zero;
var unityQuaternion = new Quaternion(foxQuat.X, foxQuat.Y, foxQuat.Z, foxQuat.W);
unityQuaternion.ToAngleAxis(out angle, out axis);
axis.x = -axis.x;
var newQuat = Quaternion.AngleAxis(-angle, axis);
return(new Quaternion(newQuat.x, newQuat.y, newQuat.z, newQuat.w));
}
void SetGlobalRotation(Core.Quaternion value)
{
if (parent != null)
{
Core.Quaternion scaleAdjust = new Core.Quaternion(parent.localScale.Y * parent.localScale.Z, parent.localScale.X * parent.localScale.Z, parent.localScale.X * parent.localScale.Y, 0f);
localRotation = (parent.localRotation.conjugate * value) * scaleAdjust;
}
else
{
localRotation = value;
}
isDirty = true;
}
