I would like to animate a bouncing ball.

But I dont understand the maths for letting it bounce.
My proffessor told me I should use parabole maths, but I tried whatever and my ball is just moving from left to right.

I could paste my script but it's linked to different Nio's
at least u get the idea: its suppose to be a bouncing ball at the bottom of the screen which bounce back when it collides with the sides of the frame.

Any advice is welcome!

1. class Bounce {
    // variabelen
     int x_loc;
     int y_loc;
     int x_speed;
     int y_speed;
     int c; // variabele voor kleur
     Bounce_body Lichaam;
    
     Bounce(int c_parameterrood,int c_parametergroen,int c_parameterblauw)  {
       c = color(c_parameterrood,c_parametergroen,c_parameterblauw);
       Lichaam = new Bounce_body(c);
       x_loc = 20;
       y_loc = 550;
       x_speed = 2;
       y_speed = 2;
      }
    
     void display() {
       Lichaam.display(x_loc,y_loc);
         }
    
     void move() {
      
    x_loc = x_loc + x_speed;
    y_loc = (int) sin(y_loc) + y_speed;
   if (x_loc<0 || x_loc>width)x_speed = x_speed * -1;
   if (y_loc<0 || y_loc>height)y_speed = y_speed * -1;
   
      
     }}