The illusion of a bumped surface is created only through modified lighting calculations. It is a technique that does not increase the number of geometrical polygons, making it computationally less expensive.The result is an apparently bumpy surface rather than a smooth surface. This is achieved by perturbing the surface normals of the object and using the perturbed normal during lighting calculations. Bump Mapping is a technique in computer graphics for simulating bumps and wrinkles on the surface of an object.The phonetic transcription of “Bump Mapping” in the International Phonetic Alphabet (IPA) would be: /bʌmp ˈmæpɪŋ/ Key Takeaways This method enriches visual detail without significantly increasing computational strain, making it a resource-efficient technique. It achieves this by manipulating the lighting calculation of the object’s surface rather than physically altering the object’s geometry. Bump mapping is a technique in computer graphics used to create the illusion of depth and texture on the surface of a 3D model.
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