Description: Screen space ambient occlusion is a shading method used in computer graphics that calculates how exposed each point in a scene is to ambient lighting. This approach focuses on simulating how light scatters and is occluded in a three-dimensional environment, taking into account the geometry of the scene and the proximity of objects. Through this calculation, it can determine the amount of ambient light reaching each surface, resulting in a more realistic and three-dimensional effect. Ambient occlusion helps enhance the perception of depth and volume in objects, creating soft and subtle shadows that enrich the visual experience. This method is commonly implemented in various rendering engines, where techniques such as ambient occlusion mapping (AO) are used to optimize performance and visual quality. Ambient occlusion is not limited to lighting alone; it also influences the overall atmosphere of the scene, allowing artists and developers to create more immersive and detailed virtual worlds. In summary, screen space ambient occlusion is an essential tool in modern 3D rendering that significantly contributes to visual quality and the authenticity of graphical representations.