I want to rotate the material so that plane static mesh can rotate along the Z-axis and always face the camera, which I’ve successfully achieved. However, simply rotating the material also rotates the normal, causing incorrect normal behavior. This results in the backlit side appearing highlighted, and the side facing the light appears dark.
Use can use the fix rotate about axis normals node to rotate a normal vector easily.
This video talks about 3d rotation at about 12:30
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