• fullscreen
  • truong_calvin_emergentbehavior.pde
  • /*
    Calvin Truong
    Emergent Behavior
    3rd Period
    
    Snow falling on the ground!
    */
    
    
    stars a, b, c, d;
    float s, h;
    
    void setup()
    {
      size (640, 480);
      background(0);
      smooth();
      noStroke();
    
      a = new stars(700);
      a.show();
    
      b = new stars(500);
      b.show();
    
      c = new stars(300);
      c.show();
    
      d = new stars(100);
      d.show();
    
    // The snow stacking up on the floor!  
      s = 80;
      h = 400;
    }
    
    
    
    void draw()
    {
      background(0);
    
      fill(255);
    
      a.stars(2, 1);
    
      b.stars(4, 2);
    
      c.stars(6, 5);
    
      d.stars(8, 10);
      
      rect (0, h, 640, s);
      
      s = s + 1;
      h = h - 0.1;
      
    }
    
    
    class stars
    {
      int starAmount = 1000; 
      Star[] star = new Star[starAmount];
    
      stars(int a)
      {
        starAmount = a;
      }
    
      void show()
      {
    
        for (int i=0; i<starAmount; i++)
        {
          star[i]= new Star(random(0, width), random(0, height));
        }
      }
    
    
      void stars(int b, float c)
      {
        for (int d=0; d<starAmount; d++)
        {
          star[d].move(b, c);
        }
      }
    
    
      class Star
      {
    
        float x, y, z, p, p2;
    
    
        Star(float r, float t  )
    
        {
          p = r; 
          y = t;
        }
    
    
        void move(int j, float k)
        {
          float p2 = p + x;
          y +=x;
          
          ellipse(p2, y, j, j); 
    
          
          
          if (y < 0)
          {
            y = y + height;
          }
    
          if (y > height)
          {
            y = y - height;
          }
          
         
          y = y + k;
        }
      }
    } 
    
    

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    about this sketch

    This sketch is running as Java applet, exported from Processing.

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    Calvin T

    Emergent Behavior

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    Snow piling up on the ground.

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