diff --git a/shader.glsl b/shader.glsl
index b721755..bd8d1a8 100644
--- a/shader.glsl
+++ b/shader.glsl
@@ -26,10 +26,10 @@ float noise(vec2 p, float scale )
     vec2 i = floor( p ),
     f = fract( p ),
 	u = f*f*(3.-2.*f);
-    return -scale+scale*mix( mix( hash( i + vec2(0.0,0.0) ), 
+    return -scale+scale*mix( mix( hash( i + vec2(0.) ), 
                               hash( i + vec2(1.0,0.0) ), u.x),
                          mix( hash( i + vec2(0.0,1.0) ), 
-                              hash( i + vec2(1.0,1.0) ), u.x), u.y);
+                              hash( i + vec2(1.) ), u.x), u.y);
 }
 
 float hash2( vec2 p ) {
@@ -38,10 +38,10 @@ float hash2( vec2 p ) {
 }
 float noise2( in vec2 p ) {
     vec2 i = floor( p ), f = fract( p ), u = f*f*(3.0-2.0*f);
-    return -1.0+2.0*mix( mix( hash2( i + vec2(0.0,0.0) ), 
+    return -1.0+2.0*mix( mix( hash2( i + vec2(0.) ), 
                      hash2( i + vec2(1.0,0.0) ), u.x),
                 mix( hash2( i + vec2(0.0,1.0) ), 
-                     hash2( i + vec2(1.0,1.0) ), u.x), u.y);
+                     hash2( i + vec2(1.) ), u.x), u.y);
 }
 
 /////////////////
@@ -222,8 +222,8 @@ vec2 map(vec3 p, int displace)
     // sand
     d2 = (p.y + 4.25) + noise((vec2((p.x*.04),(p.z-40.)*.04))+100., 15.)*1.5;    
     d = min(d,d2);
-    if (d==d2) mat = 3.0;
-
+    if (d==d2) mat = 3.0; 
+    
     d2 = 1e3;
     float h = 0.0, d3, choppy=4., freq=0.6, amp=.2;