How to Rotate a Vertex by a Quaternion in GLSL
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Real-time 3D rendering is in a particularly exciting phase of its evolution. With the arrival of GPUs that are more and more programmable, a lot of approaches that have been out of the question up until now are reappearing, as developers try to solve the problems at hand. Voxel octree ray casting is an especially promising technique for drastically increasing the geometric complexity of the games of the future.