Function HMM_Orthographic_RH_ZO

HandmadeMath.h:1730–1746

// Left, Right, Bottom, and Top specify the coordinates of their respective clipping planes.
// Near and Far specify the distances to the near and far clipping planes.
static inline HMM_Mat4 HMM_Orthographic_RH_ZO(float Left, float Right, float Bottom, float Top, float Near, float Far)
{
    ASSERT_COVERED(HMM_Orthographic_RH_ZO);

    HMM_Mat4 Result = {0};

    Result.Elements[0][0] = 2.0f / (Right - Left);
    Result.Elements[1][1] = 2.0f / (Top - Bottom);
    Result.Elements[2][2] = 1.0f / (Near - Far);
    Result.Elements[3][3] = 1.0f;

    Result.Elements[3][0] = (Left + Right) / (Left - Right);
    Result.Elements[3][1] = (Bottom + Top) / (Bottom - Top);
    Result.Elements[3][2] = (Near) / (Near - Far);

    return Result;
}

COVERAGE(HMM_Orthographic_LH_NO, 1)
// Produces a left-handed orthographic projection matrix with Z ranging from -1 to 1 (the GL convention).