Physically-based rendering (PBR) is a rendering technique that aims to simulate the interaction of light with surfaces in a way that closely mimics real-world physics. This approach ensures that materials respond accurately to lighting conditions, which enhances realism in computer graphics, especially in complex lighting environments. By using properties like albedo, roughness, and metallicity, PBR allows for more consistent results across different lighting scenarios, making it essential for advanced lighting techniques and global illumination.
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