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render/wiiu: Correct direction of rotation for RenderCopyEx

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rw-r-r-0644 2019-01-12 16:30:01 +01:00 committed by Ash Logan
parent d3ad23e0cd
commit 6824fb4284
1 changed files with 2 additions and 2 deletions
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4
src/render/wiiu/SDL_rdraw_wiiu.c
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@ -123,8 +123,8 @@ int WIIU_SDL_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
(flip & SDL_FLIP_HORIZONTAL) ? x_max : x_min, (flip & SDL_FLIP_VERTICAL) ? y_min : y_max,
};
for (int i = 0; i < 8; i += 2) {
a_position[i+0] = cx + (SDL_cos(r) * (rvb[i+0] - cx) + SDL_sin(r) * (rvb[i+1] - cy));
a_position[i+1] = cy + (SDL_cos(r) * (rvb[i+1] - cy) - SDL_sin(r) * (rvb[i+0] - cx));
a_position[i+0] = cx + (SDL_cos(r) * (rvb[i+0] - cx) - SDL_sin(r) * (rvb[i+1] - cy));
a_position[i+1] = cy + (SDL_cos(r) * (rvb[i+1] - cy) + SDL_sin(r) * (rvb[i+0] - cx));
}
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_ATTRIBUTE_BUFFER, a_position, sizeof(float) * 8);