= Ray tracing (graphics)
{wiki=Ray_tracing_(graphics)}
Ray tracing is a rendering technique used in computer graphics to simulate the way light interacts with objects in a virtual environment to create highly realistic images. Unlike traditional rasterization methods, which generate images by projecting 3D models onto a 2D screen, ray tracing simulates the physical behavior of light rays as they travel through a scene. Here’s how ray tracing works: 1. **Ray Casting**: The process begins by casting rays from a virtual camera into the scene.
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