3d ping pong pung pang peng

main
ball
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ArrayList < Ball > pangs = new ArrayList < Ball > ();
​
float WALL_SIDE = 200;
float WALL_TOP = -800;
float WALL_LOSE = 320;
​
float paddleWidth = 100;
float paddleVelz = 0;
float paddleVelx = 0;
​
​
​
PVector paddlePos;
boolean gameOver;
​
int score;
float screenshake = 0;
​
void setup() {
  size(500, 500, P3D);
  initGame();
  noStroke();
}
​
void draw() {
  background(12, 48, 128);
​
  lights();
  PVector screenshakeVector = new PVector();
  screenshakeVector.x = random(-screenshake, screenshake);
  screenshakeVector.y = random(-screenshake, screenshake);
  screenshakeVector.z = random(-screenshake, screenshake);
​
  ambientLight(102, 102, 102);
​
  camera(-mouseX / 4 + 62.5 + screenshakeVector.x, -300 - (mouseY / 4 - 62.5) + screenshakeVector.y, 750 + screenshakeVector.z, 0, 0, 0, 0, 1, 0);
​
  gameLogic();
  gameDisplay();
  worldDisplay();
}
​
void initGame() {
  pangs = new ArrayList < Ball > ();
  pangs.add(new Ball(new PVector(0, 0, 0), new PVector(5, 0, -5)));
  paddlePos = new PVector(0, 0, 250);
  gameOver = false;
  score = 0;
}
​
void gameLogic() {
  if (gameOver) {
    screenshake *= 0.85;
    return;
  }
  for (Ball ball: pangs) {
    ball.move();
​
    if (abs(ball.pos.x) > WALL_SIDE) {
      ball.vel.x *= -1;
      ball.vel.z += random(-.5, .5);
      screenshake += 5;
    }
    if (ball.pos.z < WALL_TOP) {
      ball.vel.z *= -1;
      ball.vel.x += random(-.5, .5);
      screenshake += 6;
    }
​
    if (ball.pos.z > 250 - 10) {
      if (ball.pos.x > paddlePos.x - paddleWidth / 2 && ball.pos.x < paddlePos.x + paddleWidth / 2) {
        ball.vel.z *= -1;
        ball.pos.z -= 30;
        ball.vel.mult(1.015);
        paddleWidth *= 0.975;
​
        score++;
        if (score % 5 == 0) {
          pangs.add(new Ball(new PVector(0, 0, 0), new PVector(5, 0, -5)));
        }
        screenshake += 50;
        paddlePos.z += 50;
      } else {
        gameOver = true;
        screenshake += 100;
      }
    }
  }
​
  // paddl
  screenshake *= 0.85;
  int targetX = constrain(mouseX - width / 2, -WALL_SIDE + paddleWidth / 2 - 30, WALL_SIDE - paddleWidth / 2 + 30);
  
  paddleVelx += (targetX - paddlePos.x) / 5;
  paddlePos.x += paddleVelx;
  paddleVelz += (250 - paddlePos.z) / 5;
  paddlePos.z += paddleVelz;
  paddleVelz *= 0.85;
  paddleVelx *= 0.65;
​
}
​
void keyPressed() {
  if (key == 'r') {
    initGame();
  }
}
​
void worldDisplay() {
  pushMatrix();
  translate(0, 50, -200);
  fill(12, 178, 243);
  box(WALL_SIDE * 3, 20, WALL_LOSE - WALL_TOP + 600);
  popMatrix();
}
​
void gameDisplay() {
  
  pushMatrix();
  translate(0, -19, 120);
  fill(255);
  rotateX(PI / 2);
  textSize(120);
  text(score, 0, 0)
  popMatrix();
​
  // the ball.
  for (Ball ball: pangs) {
    ball.render();
  }
​
  pushMatrix();
  translate(0, 10, WALL_LOSE - 40);
  fill(235, 15, 12);
  box(500, 30, 20);
  popMatrix();
​
  // not lose wall
​
  pushMatrix();
  translate(0, 40, WALL_LOSE - 300);
  fill(255);
  box(500, 30, 10);
  popMatrix();
​
  pushMatrix();
  translate(WALL_SIDE + 40, 0, -160);
  fill(255);
  box(20, 50, 1340);
  popMatrix();
​
  pushMatrix();
  translate(-(WALL_SIDE + 40), 0, -160);
  fill(255);
  box(20, 50, 1340);
  popMatrix();
​
  pushMatrix();
  translate(0, 0, WALL_TOP - 40);
  fill(255);
  box(500, 50, 20);
  popMatrix();
​
  pushMatrix();
  fill(noise(millis() / 2500) * 255, noise(0, millis() / 2500) * 255, noise(0, 0, millis() / 2500) * 255);
  translate(-200, (noise(millis() / 5000) * -250), WALL_TOP - 40);
  box(50, noise(millis() / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 50) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 100) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 150) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 250) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 300) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 350) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 400) / 5000) * 500, 15);
  translate(50, 0, 0);
  box(50, noise((millis() + 450) / 5000) * 500, 15);
  popMatrix();
​
  pushMatrix();
  translate(paddlePos.x, paddlePos.y, paddlePos.z);
  fill(43, 165, 245);
  box(paddleWidth, 50, 20);
  fill(24, 100, 213);
  translate(0, 0, 200);
  box(paddleWidth / 5, paddleWidth / 5, 400);
  popMatrix();
​
}