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Niagara: Camera friendly sprite rotation
To mimic incompressibility in fluid dynamics, its often nice to have particles rotate counter to their velocity vectorBut this starts to break down when viewed from another angle, due to the nature of sprites rotating relative to the cameraA fun lil solution to this is to adjust the rotation based on the relationship between the viewing angle and the velocity vectorThis gives us the same perceived rotation from both anglesWhich is also really effective for shockwave effects
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