Ball Bounce - OpenProcessing

sketch110325
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int posX = 0;
int speedx = 5;
​
void setup() {
  size(500,500);
}
​
void draw(){
  background(0);
  
  if(mouseX > width/2){
  
    posX = posX + speedx;
  }
  if(mouseX < width/2){
    
    posX = posX - speedx;
  }
  if(posX>=width){
   speedx = -5;
  }
  if(posX <=0){
    speedx = 5 ;
  }
  if (posX <= 0){
    posX=0;
  }
  ellipse(posX, height/2, 50,50);
​
​
​
}