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Add WriteTri helpers funcs.

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This commit is contained in:
Jean-Baptiste Perrier
2021-02-15 19:32:43 +01:00
parent 6987834b2d
commit 674e09e72b
1 changed files with 28 additions and 0 deletions
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28
Source/Engine/Render2D/Render2D.cpp
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@@ -270,6 +270,34 @@ FORCE_INLINE Render2DVertex MakeVertex(const Vector2& point, const Vector2& uv,
};
}
void WriteTri(const Vector2& p0, const Vector2& p1, const Vector2& p2, const Vector2& uv0, const Vector2& uv1, const Vector2& uv2, const Color& color0, const Color& color1, const Color& color2)
{
Render2DVertex tris[3];
tris[0] = MakeVertex(p0, uv0, color0);
tris[1] = MakeVertex(p1, uv1, color1);
tris[2] = MakeVertex(p2, uv2, color2);
VB.Write(tris, sizeof(tris));
uint32 indices[3];
indices[0] = VBIndex + 0;
indices[1] = VBIndex + 1;
indices[2] = VBIndex + 2;
IB.Write(indices, sizeof(indices));
VBIndex += 3;
IBIndex += 3;
}
void WriteTri(const Vector2& p0, const Vector2& p1, const Vector2& p2, const Color& color0, const Color& color1, const Color& color2)
{
WriteTri(p0, p1, p2, Vector2::Zero, Vector2::Zero, Vector2::Zero, color0, color1, color2);
}
void WriteTri(const Vector2& p0, const Vector2& p1, const Vector2& p2, const Vector2& uv0, const Vector2& uv1, const Vector2& uv2)
{
WriteTri(p0, p1, p2, uv0, uv1, uv2, Color::Black, Color::Black, Color::Black);
}
void WriteRect(const Rectangle& rect, const Color& color1, const Color& color2, const Color& color3, const Color& color4)
{
const Vector2 uvUpperLeft = Vector2::Zero;