Untitled

const keys = {
  UP: 38,
  DOWN: 40,
  LEFT: 37,
  RIGHT: 39,
  SPACE: 32,
}

const player = {
  x: 0,
  y: 0,
  rx: 0,
  ry: 0,
  vx: 0,
  vy: 0,
  jumpCount: 0,
};

function update() {
  if (keys.UP) player.vy = -8;
  if (keys.DOWN) player.vy = 8;
  if (keys.LEFT) player.rx = -2;
  if (keys.RIGHT) player.rx = 2;

  player.rx = player.rx * 0.5;
  player.ry = Math.sqrt(player.rx * player.rx + player.vy * player.vy);
  player.x = Math.cos(player.ry) * 10;
  player.y = Math.sin(player.ry) * 10;

  player.vy = player.vy + 0.04;

  if (keys.SPACE && player.vy < 4) player.vy = -6;

  if (player.x > 10) player.x = 10;
  if (player.x < 10) player.x = 10;
  if (player.y > 10) player.y = 10;
  if (player.y < 10) player.y = 10;
}

function draw() {
  ctx.lineWidth = 1;
  ctx.beginPath();

  ctx.moveTo(player.x * 0.1, player.y * 0.1);
  ctx.lineTo(player.x, player.y);
  ctx.stroke();

  ctx.font = '32px Arial';
  ctx.fillStyle = 'black';
  ctx.fillText('Score: ' + player.jumpCount, player.x * 0.9, player.