Verlet integration is a numerical method used to integrate Newton's equations of motion. It is frequently used to calculate trajectories of particles in molecular dynamics simulations and computer graphics. This is an OpenGL video demo that shows Verlet integration applied on particles:

This is the final tutorial about a simple 3D level in OpenGL:

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OpenGL: The world from the camera perspective

When we’re talking about camera/view space we’re talking about all the vertex coordinates as seen from the camera’s perpective as the origin of the scene: the view matrix transforms all the world coordinates into view coordinates that are relative to the camera’s position and direction:

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