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c++ Programming Glossary: heightfromwidthSkewed frustum/off-axis projection for head tracking in OpenGL http://stackoverflow.com/questions/16723674/skewed-frustum-off-axis-projection-for-head-tracking-in-opengl glm ext.hpp #include glut.h #include functional float heightFromWidth glm vec3 camPtTopLeftNear camPtBottomRightNear float camZNear.. float wcsWidth 520.0 float pxWidth 1920.0f float wcsHeight heightFromWidth wcsWidth float pxHeight heightFromWidth pxWidth float wcsFromPx.. float wcsHeight heightFromWidth wcsWidth float pxHeight heightFromWidth pxWidth float wcsFromPx wcsWidth pxWidth glm vec3 wcsPtTopLeftScreen..
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