flopoloco's picture

FOV Projection Matrix (GLM)

Having a look at some examples that use the glm library there is a method to set the projection matrix using a FOV float value. However OpenTK since is similar to XNA Math API, uses the Math.PI/4 algorithm.

Is there anyone know how to convert OpenTK and GLM fov values back and forth?


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the Fiddler's picture

You can convert degrees to radians with:

float degress = 45.0f;
float radians = (degrees / 180.0f) * (float)System.Math.PI;