diff --git a/utils/normal.frag b/utils/normal.frag
index 8c16cc8..cf5fc0e 100644
--- a/utils/normal.frag
+++ b/utils/normal.frag
@@ -1,4 +1,4 @@
-vec2 normal_st = vec2(vPosition.x * vPosition.y, vPosition.y) * vec2(1000 * 2);
+vec2 normal_st = vec2(gl_FragCoord.x * 0.005, vPosition.y) * vec2(1000 * 2);
 // vec2 normal_st = vec2(random(vDistance), random(vDistance))/vec2(u_resolution);
 vec3 normal_pos = vec3(normal_st * 5.0, 1.0 * 0.5);