Q01 - PG

PVector location;  // Location of shape
PVector velocity;  // Velocity of shape
PVector gravity;   // Gravity acts at the shape's acceleration

float qtdFrames = 0; //contador de frames

void setup() {
  size(640,360);
  location = new PVector(30,height-140-30);
  velocity = new PVector(4.9,10);
  gravity = new PVector(0,0.5);
  //frameRate(10);
}

void draw() {
  qtdFrames++;
  //println("frameRate", frameRate); //qtd de frames por segundo
  background(225,225,225);
  // Add velocity to the location.
  location.add(velocity);
  // Add gravity to velocity
  velocity.add(gravity);


  // Bounce off edges
  if ((location.x > width-30) || (location.x < 30)) {
    velocity.x = velocity.x * -1;
    //println(qtdFrames, "Frames"); //qtd de frames total para bater na parede
    //println(qtdFrames/frameRate, "Segundos"); //tempo em segundos para bater na parede
    qtdFrames = 0;
  }
  if (location.y > height-140-30) { //105
    // We're reducing velocity ever so slightly
    // when it hits the bottom of the window
    velocity.y = velocity.y * -0.95;
    location.y = height-140-30;
  }

  // Display circle at location vector
  stroke(255);
  strokeWeight(0);
  fill(0);
  ellipse(location.x,location.y,60,60);
  line(0,220,640,220);
  color c = color(175, 100, 220);  // Define color 'c'
  fill(c);  // Use color variable 'c' as fill color
  rect(0, 220, 640, 220);
}