![]() ![]() Darker areas in the height map appear further away, and shift the least. The brightest values in the height map are displaced toward the camera, and receive the most parallax (shift) when the camera moves across the surface. Bump Offset Materials use a grayscale height map to provide depth information. The Bump Offset expression is one way to improve the illusion of depth in a Material without adding additional polygons. This tutorial demonstrates how to use the Bump Offset node in your Materials.īump Offset is the Unreal Engine term for what is commonly known as parallax mapping. The Bump Offset expression is typically used alongside a normal map, and can improve upon the impression of depth provided by the normal map alone. Bump Offset displaces texels on the surface of an object, creating an impression of parallax and giving an illusion that the surface has more details than it actually does. The Bump Offset Material Expression can improve the illusion of depth on a surface by modifying the UV coordinates of a Material. Using the Bump Offset Material Expression Finding the Bump Offset Material Expression ![]()
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