The role of bake maps in 3D rendering is to transfer detailed texture information (e.g., lighting, shadows, surface凹凸) from high-poly models to low-poly ones, balancing visual quality and rendering efficiency.
- **Data Transfer**: They bake high-poly details (like normal maps for surface depth or ambient occlusion for shadow softness) into low-poly textures, preserving intricate looks without extra polygons. - **Performance Boost**: By reducing polygon count, low-poly models with baked maps lower GPU/CPU load, critical for real-time apps (games, AR/VR) needing smooth frame rates. - **Resource Optimization**: They eliminate the need to render high-poly details directly, making 3D content feasible for devices with limited hardware (e.g., mobile, low-end PCs).
In short, bake maps enable detailed, efficient 3D rendering, essential for interactive and resource-constrained environments.