Update Chemotaxis.pde

Chemotaxis.pde

@@ -1,13 +1,46 @@
- //declare bacteria variables here   
- void setup()   
- {     
- 	//initialize bacteria variables here   
- }   
- void draw()   
- {    
- 	//move and show the bacteria   
- }  
- class Bacteria    
- {     
- 	//lots of java!   
- }    
+Walker [] bob = new Walker[100];
+void setup(){
+  size(400,400);
+  for(int i = 0; i < bob.length; i++){
+    bob[i] = new Walker((int)(Math.random()*width), (int)(Math.random()*height));
+  }
+}
+
+void draw(){
+  background(154);
+  for(int i = 0; i < bob.length; i++){
+    bob[i].walk();
+    bob[i].show();
+  }
+}
+
+class Walker{
+  int myX, myY, myColor;
+  Walker(int x, int y){
+    myX = x;
+    myY = y;
+    myColor = color(255,0,0);
+  }
+  void walk(){
+   if (mouseX > myX){
+    myX = myX + (int)(Math.random()*5)-1;
+   }
+   else{
+    myX = myX + (int)(Math.random()*5)-3;
+   }
+   if (mouseY > myY){
+    myY = myY + (int)(Math.random()*5)-1;
+   }
+   else{
+    myY = myY + (int)(Math.random()*5)-3;
+   }
+   if(mousePressed){
+     myX = (int)(Math.random()*width);
+     myY = (int)(Math.random()*height);
+   }
+  }
+  void show(){
+    fill(myColor);
+    ellipse(myX,myY,20,20);
+  }
+}