Day6_Bouncing_Ball_Reversal

float x = 100; //starting positions

float y = 300;

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float speedX = 2;

float speedY = 2;

float gravTimer = 1;

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void setup() {

  size(500,500);

  smooth();

}

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void draw() {

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  background(255); //reset bg

  x = x + speedX; //move it right by 2 each frame if speedX is positive or left by 2 if it is negative

  y = y + speedY; //move it down by 2 each frame if speedY is positive or up by 2 if it is negative

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  if ((x > width) || (x < 0)) {  //horizontal ball boundary

    speedX = speedX * -1; //X reversal

  }

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  if ((y > height) || (y < 0)) { //vertical ball boundary

   speedY = speedY * -1;// * gravTimer; //Y reversal

  } 

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  strokeWeight(3);

  fill(255,0,0);

  ellipse(x,y,40,40);

  fill(255);

  strokeWeight(1);

  ellipse(x-5,y-5,5,7);

}

​