What is PBR Texture ?
Grafik Games
10/31/2024
Together, these pbr textures work to create realistic materials that interact with light in a way that mimics real-world materials, enhancing the visual quality and depth of 3D scenes.
PBR (Physically Based Rendering) textures are materials used in 3D graphics to create realistic surfaces by simulating how light interacts with various surfaces. PBR is widely used in modern 3D engines such as Unity and Unreal Engine because it provides more accurate and realistic renderings in different lighting conditions.
A PBR material usually consists of several texture maps, each contributing to the look of the surface by defining different aspects:
1 | Albedo (Base Color)
This texture defines the base color of the surface without any lighting or shadow. It doesn't include shading information.
2 | Metallic
This texture controls the metallic properties of the surface, where black means non-metallic (like wood or plastic) and white represents metallic surfaces (like steel or gold). It affects how the surface reflects light.
3 | Roughness (or Smoothness)
This map defines the surface’s micro-roughness, which affects the sharpness of reflections. Low roughness (smooth surfaces) gives sharp reflections, while high roughness (rough surfaces) gives diffuse, blurry reflections.
4 | Normal Map
This map defines the surface’s micro-roughness, which affects the sharpness of reflections. Low roughness (smooth surfaces) gives sharp reflections, while high roughness (rough surfaces) gives diffuse, blurry reflections.
5 | Ambient Occlusion
This map defines the surface’s micro-roughness, which affects the sharpness of reflections. Low roughness (smooth surfaces) gives sharp reflections, while high roughness (rough surfaces) gives diffuse, blurry reflections.
6 | Height (or Displacement)
