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Systems and methods for soft shadowing in 3-D rendering using directionalized distance function
Systems and methods for soft shadowing in 3-D rendering using directionalized distance function
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机译：使用定向距离函数进行3-D渲染中的软阴影的系统和方法
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摘要
Graphics processing systems and methods provide soft shadowing effects into rendered images. This is achieved in a simple manner which can be implemented in real-time without incurring high processing costs so it is suitable for implementation in low-cost devices. Rays are cast from positions on visible surfaces corresponding to pixel positions towards the center of a light, and occlusions of the rays are determined. The results of these determinations are used to apply soft shadows to the rendered pixel values.
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