public void TransformCoordinates2d(ref Vector2 uv, DisplayUvCoordinateType inputType,
DisplayUvCoordinateType outputType)
{
Vector2 uvOut = new Vector2(uv.x, uv.y);
ExternApi.ArFrame_transformCoordinates2d(m_NativeSession.SessionHandle, m_NativeSession.FrameHandle,
inputType.ToApiCoordinates2dType(), 1, ref uv, outputType.ToApiCoordinates2dType(), ref uvOut);
uv = uvOut;
}
public static ApiCoordinates2dType ToApiCoordinates2dType(this DisplayUvCoordinateType coordinateType)
{
switch (coordinateType)
{
case DisplayUvCoordinateType.BackgroundImage:
return(ApiCoordinates2dType.ImageNormalized);
case DisplayUvCoordinateType.BackgroundTexture:
return(ApiCoordinates2dType.TextureNormalized);
case DisplayUvCoordinateType.UnityScreen:
return(ApiCoordinates2dType.ViewNormalized);
default:
return(ApiCoordinates2dType.ViewNormalized);
}
}
/// <summary>
/// Transforms a coordinate between the <c>source</c> and <c>target</c> display UV coordinate types.
/// </summary>
/// <remarks>
/// This can be used for the conversion of coordinates accessed in the same Unity update.
/// </remarks>
/// <param name="coordinate">The coordinate to transform.</param>
/// <param name="sourceType">The source type of the desired transformation matrix.</param>
/// <param name="targetType">The target type of the desired transformation matrix.</param>
/// <returns>A corresponding position in the target frame.</returns>
public static Vector2 TransformCoordinate(Vector2 coordinate, DisplayUvCoordinateType sourceType,
DisplayUvCoordinateType targetType)
{
if (InstantPreviewManager.IsProvidingPlatform)
{
InstantPreviewManager.LogLimitedSupportMessage("access 'Frame.TransformCoordinate'");
return(Vector2.zero);
}
var nativeSession = LifecycleManager.Instance.NativeSession;
if (nativeSession == null)
{
Debug.LogError("Cannot transform coordinate when native session is null.");
return(Vector2.zero);
}
nativeSession.FrameApi.TransformCoordinates2d(ref coordinate, sourceType, targetType);
return(coordinate);
}
