Path Tracing

Path Tracing

Path Tracing

Path tracing is a rendering technique used in computer graphics to simulate the way light interacts with objects in a scene. It is a type of ray tracing algorithm that traces the path of light rays as they bounce off surfaces and interact with materials in a virtual environment. Path tracing is often used in creating realistic images and animations in fields such as animation, visual effects, and video games.

When a light ray is cast into a scene, it bounces off surfaces, interacts with materials, and eventually reaches the camera or light source. Path tracing simulates this process by tracing the path of each light ray through the scene, calculating how it interacts with objects and materials, and determining its final color value based on these interactions. This process is repeated for multiple rays to create a complete image.

Path tracing is known for its ability to produce physically accurate images with realistic lighting, shadows, reflections, and refractions. However, it can be computationally intensive and time-consuming, especially for complex scenes with many light sources and reflective surfaces. Despite its computational cost, path tracing is widely used in the industry for its ability to create visually stunning and lifelike images.

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