Reflection maps are 2D images that simulate light reflection on 3D material surfaces, enhancing realism by mimicking how materials reflect their surroundings.
- **Core Function**: They replicate real-world reflections (e.g., a room in metal or nearby objects in glass) without complex lighting setups, saving rendering time. - **Application Method**: The 2D image is mapped to the material’s reflection properties (e.g., glossiness, metallicness), dictating light bounce behavior on the surface. - **Key Use Cases**: Ideal for materials like car paint, polished stone, or glass, adding lifelike details to make 3D surfaces look more authentic.