diff --git a/fragment.glsl b/fragment.glsl
index 652722e..c6cbb79 100644
--- a/fragment.glsl
+++ b/fragment.glsl
@@ -23,14 +23,6 @@ uint xxhash32(uvec2 p) {
     return h32^(h32 >> 16);
 }
 
-//const uint k = 1103515245U;
-//
-//vec3 hash33( uvec3 x ) {
-//    x = ((x >> 8U) ^ x.yzx) * k;
-//    x = ((x >> 8U) ^ x.yzx) * k;
-//    x = ((x >> 8U) ^ x.yzx) * k;
-//    return vec3(x) * (1.0 / float(0xffffffffU));
-//}
 
 float rand(vec2 v, vec2 offset) {
     uint hash = xxhash32(uvec2(v * 10000.0 + offset * 10000.0));
@@ -58,9 +50,12 @@ float fade(float t) {
 
 
 void main() {
-    // We'll make origin in the top-left.
     vec2 uv = gl_FragCoord.xy / WindowSize;
+    // We'll make origin in the top-left.
     uv.y = 1.0 - uv.y;
+    float frac = WindowSize.x / WindowSize.y;
+    uv.x *= frac;
+
     vec2 grid_edge_offset = mod(uv, cell_size);
     // c: corner
     vec2 c_tl = uv - grid_edge_offset;