Is "top" the distance from the top of the near clipping plane to the xOz plane? Is "fovy" the angle between "top" and the xOz plane, or the angle between "top" and "bottom"?
Also, is "near" positive?
zepluc
Found this website quite helpful with understanding what these parameters stands for:
https://learnwebgl.brown37.net/08_projections/projections_perspective.html
Is "top" the distance from the top of the near clipping plane to the xOz plane? Is "fovy" the angle between "top" and the xOz plane, or the angle between "top" and "bottom"?
Also, is "near" positive?
Found this website quite helpful with understanding what these parameters stands for: https://learnwebgl.brown37.net/08_projections/projections_perspective.html