OtrhographicMatrix()

glm::mat4 Spices::OtrhographicMatrix	(	float	left,
		float	right,
		float	top,
		float	bottom,
		float	nearPlane,
		float	farPlane )

Calculate Otrhographic Matrix.

Parameters

[in]	left	.
[in]	right	.
[in]	top	.
[in]	bottom	.
[in]	nearPlane	.
[in]	farPlane	.

Returns

Returns Otrhographic Matrix.

Definition at line 114 of file Math.cpp.

    {
        glm::mat4 mat = glm::mat4{ 1.0f };
        mat[0][0] = 2.0f / (right - left);
        mat[1][1] = 2.0f / (bottom - top);
        mat[2][2] = 1.0f / (farPlane - nearPlane);
        mat[3][0] = -(right + left) / (right - left);
        mat[3][1] = -(bottom + top) / (bottom - top);
        mat[3][2] = -nearPlane / (farPlane - nearPlane);
 
        return mat;
    }