Voronoi

Just played around with a basic voronoi regions (flat colors instead of
calculating color based on distance to center of region). I love the
shapes created by voronoi regions.

README.md

@@ -2,6 +2,9 @@
 
 #### Copyright James Lawrence Turner, 2015, All Rights Reserved
 
+## Voronoi [Mon Feb 2, 2015]
+![Voronoi](/voronoi/output.png?raw=true)
+
 ## Voronoi Germs (Text Only) [Sun Feb 1, 2015]
 ![Voronoi Germs(Text Only)](/voronoi_germs_text_only/output.png?raw=true)
 

voronoi/sketch.properties

@@ -0,0 +1,2 @@
+mode.id=processing.mode.java.JavaMode
+mode=Java

voronoi/voronoi.pde

@@ -0,0 +1,68 @@
+class Region {
+ float x, y, colorNumber;
+ Region(float x, float y) {
+  this.x = x;
+  this.y = y;
+  this.colorNumber = noise(x, y);
+ }
+ float distanceTo(float x, float y){
+   return sqrt(sq(this.x - x) + sq(this.y - y));
+ }
+}
+
+ArrayList<Region> regions;
+PShape logo;
+PGraphics logoMask;
+
+void setup() {
+  size(5000,5000);
+
+  logo  = loadShape("urx-logo.svg");
+  logo.disableStyle();
+  logo.scale(width / logo.width);
+
+  logoMask = createGraphics(width, height);
+  logoMask.beginDraw();
+  logoMask.background(0);
+  logoMask.translate(width / 8, height/4 + height / 16);
+  logoMask.scale(0.75);
+  logoMask.fill(255);
+  logoMask.shape(logo);
+  logoMask.endDraw();
+
+  smooth();
+  background(color(255));
+  regions = new ArrayList<Region>();
+  for(int i = 0; i < 500; i++) {
+   regions.add(new Region(random(width), random(height))); 
+  }
+  noLoop();
+}
+
+void draw() {
+  PGraphics output = createGraphics(width,height);
+  output.loadPixels();
+  for(int y = 0; y < height; y++) {
+    for(int x = 0; x < width; x++) {
+     color c;
+     float distanceToClosestRegion = Float.MAX_VALUE;
+     Region closestRegion = null;
+     for(Region r : regions) {
+       float distance = r.distanceTo(x,y);
+       if(distance < distanceToClosestRegion) {
+         closestRegion = r;
+         distanceToClosestRegion = distance;
+       } 
+     }
+     c = color(map(closestRegion.colorNumber, 0.0, 1.0, 150, 0));
+     if(logoMask.pixels[y * width + x] == color(255)) {
+       int variance = round(map(closestRegion.colorNumber, 0.0, 1.0, 0, 150));
+       c = color(variance, 120 + variance, 200 + variance);
+     }
+     output.pixels[y * width + x] = c;
+   } 
+   println(y);
+  }
+  output.updatePixels();
+  output.save("output.png");
+}