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twn_sprites.c: fix texture region

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veclav talica 2024-10-02 19:39:27 +03:00
parent 0dc3cf4160
commit 452ecd72fe
1 changed files with 9 additions and 9 deletions
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18
src/rendering/twn_sprites.c
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@ -133,15 +133,15 @@ void render_sprites(const Primitive2D primitives[],
uv2 = (Vec2){ xr + wr * !sprite.flip_x, yr + hr * !sprite.flip_y }; uv2 = (Vec2){ xr + wr * !sprite.flip_x, yr + hr * !sprite.flip_y };
uv3 = (Vec2){ xr + wr * !sprite.flip_x, yr + hr * sprite.flip_y }; uv3 = (Vec2){ xr + wr * !sprite.flip_x, yr + hr * sprite.flip_y };
} else { } else {
const float offx = (sprite.texture_region_opt.x / srcrect.w) * (srcrect.w / dims.w); /* TODO: support for flipping */
const float offy = (sprite.texture_region_opt.y / srcrect.h) * (srcrect.h / dims.h); uv0 = (Vec2){ (srcrect.x + sprite.texture_region_opt.x) / dims.w,
const float offw = (1.0f - (sprite.texture_region_opt.w / srcrect.w)) * (srcrect.w / dims.w); (srcrect.y + sprite.texture_region_opt.y) / dims.h };
const float offh = (1.0f - (sprite.texture_region_opt.h / srcrect.h)) * (srcrect.h / dims.h); uv1 = (Vec2){ (srcrect.x + sprite.texture_region_opt.x) / dims.w,
(srcrect.y + sprite.texture_region_opt.y + sprite.texture_region_opt.h) / dims.h };
uv0 = (Vec2){ xr + offx + wr * sprite.flip_x, yr + offy + hr * sprite.flip_y }; uv2 = (Vec2){ (srcrect.x + sprite.texture_region_opt.x + sprite.texture_region_opt.w) / dims.w,
uv1 = (Vec2){ xr + offx + wr * sprite.flip_x, yr - offh + hr * !sprite.flip_y }; (srcrect.y + sprite.texture_region_opt.y + sprite.texture_region_opt.h) / dims.h };
uv2 = (Vec2){ xr - offw + wr * !sprite.flip_x, yr - offh + hr * !sprite.flip_y }; uv3 = (Vec2){ (srcrect.x + sprite.texture_region_opt.x + sprite.texture_region_opt.w) / dims.w,
uv3 = (Vec2){ xr - offw + wr * !sprite.flip_x, yr + offy + hr * sprite.flip_y }; (srcrect.y + sprite.texture_region_opt.y) / dims.h };
} }
} else { } else {
/* try fitting texture into supplied destination rectangle */ /* try fitting texture into supplied destination rectangle */