Displacement mapping is a technique used in computer graphics to create the illusion of three-dimensional depth on a two-dimensional surface. This method involves using a grayscale image, known as a displacement map, to modify the surface of an object by displacing its vertices based on the values of the map. The lighter areas of the map push the vertices outward, while the darker areas pull them inward, creating a sense of depth and dimensionality.
Unlike traditional bump mapping or normal mapping, displacement mapping physically alters the geometry of the object rather than just simulating lighting effects. This results in more realistic and detailed surfaces that react accurately to light and shadow. Displacement mapping is commonly used in rendering high-resolution textures for video games, animation, and visual effects in films.
Overall, displacement mapping is a powerful tool for artists and designers to enhance the realism and visual appeal of their creations by adding intricate surface details and depth.
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