const float pixel_w = 2.0; const float pixel_h = 2.0; vec4 effect(vec4 vcolor, Image texture, vec2 uv, vec2 pixel_coords) { float dx = pixel_w*(1.0/love_ScreenSize.x); float dy = pixel_h*(1.0/love_ScreenSize.y); vec2 coord = vec2(dx*floor(uv.x/dx), dy*floor(uv.y/dy)); return Texel(texture, coord); }