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Implement Matrix4x4::OpenGLOrthoProjLH

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josh
2024-02-15 01:51:51 -05:00
parent fd2e3f894a
commit c5628b028b
1 changed files with 12 additions and 1 deletions
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13
include/J3ML/LinearAlgebra/Matrix4x4.h
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@@ -209,7 +209,18 @@ namespace J3ML::LinearAlgebra {
static Matrix4x4 D3DPerspProjLH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize); static Matrix4x4 D3DPerspProjLH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize);
static Matrix4x4 D3DPerspProjRH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize); static Matrix4x4 D3DPerspProjRH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize);
static Matrix4x4 OpenGLOrthoProjLH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize); static Matrix4x4 OpenGLOrthoProjLH(float n, float f, float h, float v)
{
/// Same as OpenGLOrthoProjRH, except that the camera looks towards +Z in view space, instead of -Z.
using f32 = float;
f32 p00 = 2.f / h; f32 p01 = 0; f32 p02 = 0; float p03 = 0.f;
f32 p10 = 0; f32 p11 = 2.f / v; f32 p12 = 0; float p13 = 0.f;
f32 p20 = 0; f32 p21 = 0; f32 p22 = 2.f / (f-n); float p23 = (f+n) / (n-f);
f32 p30 = 0; f32 p31 = 0; f32 p32 = 0; float p33 = 1.f;
return {p00, p01, p02, p03, p10, p11, p12, p13, p20, p21, p22, p23, p30, p31, p32, p33};
}
static Matrix4x4 OpenGLOrthoProjRH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize); static Matrix4x4 OpenGLOrthoProjRH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize);
static Matrix4x4 OpenGLPerspProjLH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize); static Matrix4x4 OpenGLPerspProjLH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize);
static Matrix4x4 OpenGLPerspProjRH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize); static Matrix4x4 OpenGLPerspProjRH(float nearPlane, float farPlane, float hViewportSize, float vViewportSize);