Polvo dorado

class Sand { 

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  float x;

  float y;

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  float dx;

  float dy;

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  float p; 

  float g; 

  int c; 

  float w;

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  Sand() { 

    x=   random(width/2- 300, width/2 + 300);

    y =  random(height/2 -300, height/2 + 300);

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    p = random(1.0); 

    c = int(random(100,256)); 

    g = random(0.01, 0.1);

    dx = random(-0.1, 0.1);

    dy = random(-0.1, 0.1);

    w = random(-0.1, 0.1);

  } 

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  void render() {

    stroke(c,c,30, 70);

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    x +=  int(dx + (dx)*sin(p + cos(w)));

    y +=  int(dy + (dy)*cos(p + sin(w)));

    point(x, y);

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    stroke(c, c, 50,50);

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    point( x,y);

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    if ( x > width || y > height) {

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      x=   random(width/2- 300, width/2 + 300);

      y =  random(height/2 -300, height/2 + 300);

      p = random(1.0); 

      c = int(random(100,256)); 

      g = random(0.01, 0.1);

      dx = random(-0.1, 0.1);

      dy = random(-0.1, 0.1);

    }

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    p  += 0.3;

    w  += 0.3;

    dx += 0.1;

    dy += 0.1;

  }

} 

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