frustum


Description:

public void frustum (float left, float right, float bottom, float top, float z_near, float z_far)

Replaces the current matrix with a perspective matrix for a given viewing frustum defined by 4 side clip planes that all cross through the origin and 2 near and far clip planes.

Parameters:

this

A MatrixStack

left

X position of the left clipping plane where it intersects the near clipping plane

right

X position of the right clipping plane where it intersects the near clipping plane

bottom

Y position of the bottom clipping plane where it intersects the near clipping plane

top

Y position of the top clipping plane where it intersects the near clipping plane

z_near

The distance to the near clipping plane (Must be positive)

z_far

The distance to the far clipping plane (Must be positive)