Function

Coglgraphene_matrix_project_point

Declaration [src] 

void
cogl_graphene_matrix_project_point (
  const graphene_matrix_t* matrix,
  float* x,
  float* y,
  float* z,
  float* w
)

Description [src]

Transforms a point whose position is given and returned as four float components.

Parameters

matrix

Type: graphene_matrix_t

A 4x4 transformation matrix.

The data is owned by the caller of the function.
x

Type: float*

The X component of your points position.

The argument will be modified by the function.
y

Type: float*

The Y component of your points position.

The argument will be modified by the function.
z

Type: float*

The Z component of your points position.

The argument will be modified by the function.
w

Type: float*

The W component of your points position.

The argument will be modified by the function.