private static extern PluginError zcuCalculateFrustumFit(
IntPtr frustumHandle,
ZCBoundingBox boundingBox,
out float viewerScale,
out ZSMatrix4 lookAtMatrix);
private static extern PluginError zcuGetFrustumProjectionMatrix(
IntPtr frustumHandle,
Eye eye,
out ZSMatrix4 projectionMatrix);
private static extern PluginError zcuTransformMatrix(
IntPtr viewportHandle,
CoordinateSpace a,
CoordinateSpace b,
ref ZSMatrix4 matrix);
private static extern PluginError zcuGetFrustumViewMatrix(
IntPtr frustumHandle,
Eye eye,
out ZSMatrix4 viewMatrix);
private static extern PluginError zcuGetCoordinateSpaceTransform(
IntPtr viewportHandle,
CoordinateSpace a,
CoordinateSpace b,
out ZSMatrix4 transform);