/// <summary>
/// Convert gltf quaternion to a unity quaternion
/// </summary>
/// <param name="gltfQuat">gltf quaternion</param>
/// <returns>unity quaternion</returns>
public static Quaternion ToUnityQuaternionConvert(this GLTF.Math.Quaternion gltfQuat)
{
Vector3 fromAxisOfRotation = new Vector3(gltfQuat.X, gltfQuat.Y, gltfQuat.Z);
float axisFlipScale = CoordinateSpaceConversionRequiresHandednessFlip ? -1.0f : 1.0f;
Vector3 toAxisOfRotation = axisFlipScale * Vector3.Scale(fromAxisOfRotation, CoordinateSpaceConversionScale.ToUnityVector3Raw());
return(new Quaternion(toAxisOfRotation.x, toAxisOfRotation.y, toAxisOfRotation.z, gltfQuat.W));
}
/// <summary>
/// Convert gltf quaternion to a unity quaternion
/// </summary>
/// <param name="gltfQuat">gltf quaternion</param>
/// <returns>unity quaternion</returns>
public static Quaternion ToUnityQuaternionConvert(this GLTF.Math.Quaternion gltfQuat)
{
// get raw matrix conversion (gltf matrix stored in a unity matrix for easier math)
Vector3 origAxis = new Vector3(gltfQuat.X, gltfQuat.Y, gltfQuat.Z);
float axisFlipScale = CoordinateSpaceConversionRequiresHandednessFlip ? -1.0f : 1.0f;
Vector3 newAxis = axisFlipScale * Vector3.Scale(origAxis, CoordinateSpaceConversionScale.ToUnityVector3Raw());
// then put the quaternion back together and return it
return(new Quaternion(newAxis.x, newAxis.y, newAxis.z, gltfQuat.W));
}
public static Quaternion ToUnityQuaternion(this GLTF.Math.Quaternion quaternion)
{
return(new Quaternion(quaternion.X, quaternion.Y, quaternion.Z, quaternion.W));
}
