Function Player

examples/Chaser.js:34–45

(joystickIndex)

shuffle(colorNames);

function Player(joystickIndex) {
  SDL.joystickOpen(joystickIndex);
  players[joystickIndex] = this;
  this.name = SDL.joystickName(joystickIndex);
  var colorName = this.colorName = colorNames[joystickIndex % colorNames.length];
  var angle = 2 * Math.PI / numPlayers * joystickIndex;
  this.x = Math.floor(Math.sin(angle) * 50 * (numPlayers - 1)) + screen.w / 2;
  this.y = Math.floor(Math.cos(angle) * 50 * (numPlayers - 1)) + screen.h / 2;
  this.jx = 0; this.jy = 0;
  this.speed = 0.3;
  console.log("New %s player using %s", colorName[0].toUpperCase() + colorName.substr(1), this.name);
}
Player.prototype.tick = function (delta) {
  this.x += this.jx * delta * this.speed;
  this.y += this.jy * delta * this.speed;