+bool RenderTask::WorldToViewport(const Vector3 &position, float& viewportX, float& viewportY) const
+{
+ CameraActor* cam = GetCameraActor();
+
+ Vector4 pos(position);
+ pos.w = 1.f;
+
+ Vector4 viewportPosition;
+
+ Viewport viewport;
+ GetViewport( viewport );
+
+ bool ok = ProjectFull(pos,
+ cam->GetViewMatrix(),
+ cam->GetProjectionMatrix(),
+ viewport.x,
+ viewport.y,
+ viewport.width,
+ viewport.height,
+ viewportPosition);
+ if(ok)
+ {
+ viewportX = viewportPosition.x;
+ viewportY = viewportPosition.y;
+ }
+
+ return ok;
+}
+
+bool RenderTask::ViewportToLocal(Actor* actor, float viewportX, float viewportY, float &localX, float &localY) const
+{
+ return actor->ScreenToLocal( *this, localX, localY, viewportX, viewportY );
+}
+