weird: added voronoi2 and refactored layout of hud

weird/hud.glsl

@@ -88,18 +88,18 @@ void main(){
     vec3 color = vec3(0.0);
     vec2 st = get_st();
     float clip = circle_clip(.5);
-    
-    
-	color += circle(get_center(), 0.002, 0.02, blue1);
-	color += circle(get_center(), 0.002, 0.3, blue1);
-	color += circle(get_center(), 0.002, 0.4, blue1);
-	color += circle(get_center(), 0.005, 0.5, vec3(0.8));  
-	color += circle(get_center(), 0.007, 0.6, blue1);
+
+
+    color += circle(get_center(), 0.002, 0.02, blue1);
+    color += circle(get_center(), 0.002, 0.3, blue1);
+    color += circle(get_center(), 0.002, 0.4, blue1);
+    color += circle(get_center(), 0.005, 0.5, vec3(0.8));
+    color += circle(get_center(), 0.007, 0.6, blue1);
     color += clip*line(0.001, PI/4., vec3(.5), get_center());
-    color += clip*line(0.001, -PI/4., vec3(.5), get_center());   
+    color += clip*line(0.001, -PI/4., vec3(.5), get_center());
     color += clip*line_with_trace(0.001, u_time, blue2, get_center());
     color += floating_circle();
     color += target();
-    
+
     gl_FragColor = vec4(color,1.0);
 }

weird/voronoi2.glsl

@@ -0,0 +1,51 @@
+#ifdef GL_ES
+precision mediump float;
+#endif
+
+uniform vec2 u_resolution;
+uniform vec2 u_mouse;
+uniform float u_time;
+
+vec2 random2( vec2 p ) {
+    return fract(sin(vec2(dot(p,vec2(127.1,311.7)),dot(p,vec2(269.5,183.3))))*43758.5453);
+}
+
+void main() {
+    vec2 st_ = gl_FragCoord.xy/u_resolution.xy;
+    vec2 st = st_;
+    st.x *= u_resolution.x/u_resolution.y;
+
+    vec3 color = vec3(.0);
+
+    st *= 50.;
+
+    vec2 i_st = floor(st);
+    vec2 f_st = fract(st);
+
+    float m_dist = 1.;
+    vec2 m_point = vec2(0.);
+
+    for (int y= -1; y <= 1; y++) {
+        for (int x= -1; x <= 1; x++) {
+            vec2 neighbor = vec2(float(x),float(y));
+            vec2 point = random2(i_st + neighbor);
+            point = 0.5 + 0.5*sin(u_time + 6.2831*point);
+            vec2 diff = neighbor + point - f_st;
+            float dist = length(diff);
+
+            if (dist < m_dist) {
+              m_dist = dist;
+              m_point = point;
+            }
+        }
+    }
+
+    color += m_dist;
+
+    color.rgb *= vec3(216./255.,203./255.,161./255.) * smoothstep(0.0001, 0.001, m_point.y+0.01);
+
+    float resmin = min(u_resolution.x, u_resolution.y);
+    color -=  smoothstep(0.47, 0.5, distance(gl_FragCoord.xy/resmin, (u_resolution/2.)/resmin));
+
+    gl_FragColor = vec4(color,1.0);
+}