pub fn frustum(
left: f64,
right: f64,
bottom: f64,
top: f64,
near: f64,
far: f64,
) -> DMat4Expand description
Creates a perspective projection matrix from a frustum for use with OpenGL.
Expects a right-handed Y-up view space input. Outputs NDC with Z in [-1, 1] and Y-up.
This is the OpenGL glFrustum equivalent.
See https://registry.khronos.org/OpenGL-Refpages/gl2.1/xhtml/glFrustum.xml
ยงPanics
Will panic if left is equal to right, if bottom is equal to
top, or if near or far are less than or equal to zero, or if near is
equal to far, when glam_assert is enabled.