![]() Your graph should look like the image below.Ĭonnect the texture samples to the Main Material Node as shown in the image below.Ĭonnect the RGB output of T_Brick_Clay_New_D to the Base Color input.Ĭonnect the Red channel of the T_Brick_Clay_New_M texture to the Roughness input. In the Content Browser, navigate to Content > Starter Content > Textures and find the three textures listed below.ĭrag all three textures from the Content Browser into your Material Graph to add them as Texture Samples. This example uses three texture samples to pass data into the Base Color, Roughness, and Normal inputs. Rename the Material something like 'BumpOffset'.ĭouble-click the Material asset in the Content Browser to open it in the Material Editor. Right-click in the Content Browser and choose Material from the Create Basic Asset section in the context menu. This way you can import the Starter Content into your current project. Page for information about how to move assets between projects. If you did not include the Starter Content in your project, read the migrating content This tutorial uses textures from the Unreal Engine Starter Content. Hold down the B key and left-click anywhere in the Material Graph to spawn a BumpOffset node. ![]() You can find the Bump Offset Material Expression by searching for it in the Palette search box, or by right-clicking in the Material Graph and selecting it in the context menu.īump Offset also has a Material Editor hotkey. 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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