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Fix the hyperjump edges being solid by providing an alpha value #5288

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Merged
sturnclaw merged 1 commit into from
Oct 3, 2021
Merged

Fix the hyperjump edges being solid by providing an alpha value #5288

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5 changes: 5 additions & 0 deletions src/Color.h
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,11 @@ struct Color4ub {
g((rgba >> 16) & 0xff),
b((rgba >> 8) & 0xff),
a(rgba & 0xff) {}
constexpr Color4ub(const Color4ub &c, const Uint8 a) :
r(c.r),
g(c.g),
b(c.b),
a(a) {}

operator unsigned char *() { return &r; }
operator const unsigned char *() const { return &r; }
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6 changes: 4 additions & 2 deletions src/HyperspaceCloud.cpp
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Expand Up @@ -195,11 +195,13 @@ void HyperspaceCloud::InitGraphics(Graphics::Renderer *renderer)

Graphics::VertexArray vertices(ATTRIB_POSITION | ATTRIB_DIFFUSE);

make_circle_thing(vertices, 1000.f, Color::WHITE, Color::BLUE);
const Color edgeArrivingColour(Color::BLUE, 0); // alpha needs to be zero'd
make_circle_thing(vertices, 1000.f, Color::WHITE, edgeArrivingColour);
s_cloudMeshArriving.reset(renderer->CreateMeshObjectFromArray(&vertices));

vertices.Clear();

make_circle_thing(vertices, 1000.f, Color::WHITE, Color::RED);
const Color edgeLeavingColour(Color::RED, 0); // alpha needs to be zero'd
make_circle_thing(vertices, 1000.f, Color::WHITE, edgeLeavingColour);
s_cloudMeshLeaving.reset(renderer->CreateMeshObjectFromArray(&vertices));
}
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