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- Create a ramp (RGB) rampRGB texture and connect it to the UV Coords_coords of the Image image shader. Connect the U Coord u_coord of the ramp to the uvcoordsY of the Image the image shader. Connect the V Coord v_coord of the ramp rampRGB to the uvcoordsX of the Image image shader.
- Change the ramp type to Four Corner Ramp.
- Create four different colors for the ramp: red, yellow, green, and blue.
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You can change how the image is remapped by adjusting the HSV values of the ramp. |
- Connect a file or Noise texture noise shader to the Color Offset color_offset of the Ramp rampRGB. This will drive the distortion effect.
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You could also add a Range range or Remap remap shader in between the file texture and the ramp to further control the effect. |
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