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#version 330 core
in vec2 uv;
uniform vec4 widgetTexture;
uniform sampler2D textureAtlas;
vec2 TransformTextureCoord(vec4 TextureAtlasCoords, vec2 UvCoords) {
float x = TextureAtlasCoords.x;
float y = TextureAtlasCoords.y;
float w = TextureAtlasCoords.z;
float h = TextureAtlasCoords.w;
vec2 A = vec2(x, 1 - y - h);
vec2 B = vec2(x + w, 1 - y);
return A + UvCoords * (B - A);
}
void main(){
vec4 color = texture(textureAtlas,TransformTextureCoord(widgetTexture,uv));
gl_FragColor = color;
}
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