GMU:Algorithmic Art/Fabian/for computers: Difference between revisions

GMU:Algorithmic Art/Fabian/for computers (view source)

Revision as of 20:26, 22 March 2019

1,461 bytes added , 22 March 2019

→‎IV: Butterflies

Famk

239

edits

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 ==IV: Butterflies==
+==III: Cat Eyes==
+{| border="1"
+|-
+! style="width: 50%" | Result
+! style="width: 50%" | Algorithm
+|-
+|[[File:butterflies (Konvertiert)-quicktime.mov]]
+|<source lang=java>
+ int num=40;            //number of butterflies, but actually around 5 "form" one...
+int stepLength=10;     //tempo of them
+int x[]= new int [num];
+int y[]= new int [num];
+int w[]= new int [num];
+int h[]= new int [num];
+void setup() {
+  rectMode(CENTER);
+  size(400,1000);
+  background(255);
+  noStroke();
+  for(int i=0; i<x.length; i++){
+    x[i]=(int)random(width);          // random position of the butterflies
+    y[i]=(int)random(height);
+    w[i]=(int)random(20,80);
+    h[i]=(int)random(20,80);
+  }
+}
+void draw() {
+  background(255);
+  rectMode(CENTER);
+   for(int i=0; i<x.length-1; i++){
+    int newX=x[i]+=random(-stepLength,stepLength);              //move the butterflies
+    int newY=y[i]+=random(-stepLength,stepLength);
+      if(newX<0) newX = width;
+      else if(newX>width) newX = 0;
+     if(newY<0) newY = height;                                  //keep them
+      else if(newY>height) newY = height;
+      x = append(x, newX);
+      y = append(y, newY);                                  // I guess this results in "butterfly effect"
+    if(x.length > num){
+    x = subset(x, 1);
+    y = subset(y, 1);
+    rect(x[i],y[i],w[i],h[i]);
+  }
+    fill(x[i],y[i],150);                              //mellow colours
+  }
+}
+</source>
+|-
+|}