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Hi, sometimes when bounding boxes of particle systems, which are near to each other, change their size due to emitting new particles, the render order changes between them which results in popping of particles to front which were in the background before. The order changes back when the bounding box gets smaller again. Also when moving arround a popping occurs. Is there any mechanism which sorts the particles between two or more particle systems, to prevent this effect? From what I see only particles in the same particle system get sorted and render order between particle systems is calculated by the bounding volume distance to the viewer. Regards, Sebastian Vesenmayer

Hi, I just port our project from 2.7.2 to 2.7.3 and discovered that the auxiliary buffer is doing a depth test now. My material is set to disable depth test and depth mask to prevent depth testing and writing so I can write all pixel in the auxiliary buffer to do the outlining with a sobel later. It worked without problems in 2.7.2.. Is there a workarround without offsetting the geometry from the ground plane? Sample code and video is in the attachement. Thanks, Sebastian source.zip UNIGINE Engine 11.01.2019 11_34_19.mp4