Method

CoglMatrixStackfrustum

Declaration [src]

void
cogl_matrix_stack_frustum (
  CoglMatrixStack* stack,
  float left,
  float right,
  float bottom,
  float top,
  float z_near,
  float z_far
)

Description [src]

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

left

Type: float

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

right

Type: float

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

bottom

Type: float

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

top

Type: float

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

z_near

Type: float

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

z_far

Type: float

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