pilotes que reboten

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float circle_x = 300;

float circle_y = 20;

float move_x =2;

float move_y = -2;

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void setup() {

  size (400, 400);

  stroke(#D60DFF);

  strokeWeight (7);

  }

  void draw () {

    background(#21EA73);

    ellipse(circle_x, circle_y, 40, 40);

    circle_x = circle_x + move_x;

    circle_y = circle_y + move_y;

  if(circle_x > width) {

   circle_x = width;

   move_x=-move_x;

 }

 if(circle_y > height){

   circle_y = height;

   move_y=-move_y;

 }

 if(circle_x<0){

   circle_x=0;

   move_x=-move_x;

   }

   if(circle_y<0){

     circle_y=0;

     move_y=-move_y;

     }

 }

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