So, I found This(3d projection matrix) in wikipedia, and I am curious about the difference between it and the approach in glm(glm::perspective * glm::lookat). Also I have seen people use the way in the wikipedia to optain the "front" and "right" vector that is use in the glm::perspective and the glm::lookAt from the pitch and yaw. Will this cause any error in the two vector if I use them in glm?
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