// Zach Grafton
// Classic Space Invaders game utilizing p5.js

// 1. generate new lukes every x seconds/shiftdowns
//      - make five luke arrays, splice them when all lukes are destroyed
// 2. fix two-key simultaneous push stopping ship's movement

var ship;
var lukes;
var cols = 5;
var rows = 4;
var lasers = [];

function makeLukeArray(cols, rows) {
  var arr = new Array(cols);
  for (var i = 0; i < arr.length; i++) {
    arr[i] = new Array(rows);
  }
  return arr;
}

function setup() {
  createCanvas(400, 450);
  ship = new Ship();

  lukes = makeLukeArray(cols, rows);

  for (var i = 0; i < cols; i++) {
    for (var j = 0; j < rows; j++) {
      lukes[i][j] = new Luke(j * 80 + 80, 60); // j should space them out
    }
  }
}

function draw() {
  background(31);
  ship.show();
  ship.move();

  var edge = false;

  for (var i = 0; i < rows; i++) {
    (var j = 0; j < cols; j++) {
      lukes[i][0].show();
      lukes[i][0].move();
    }
  }
}
  /*
      if (lukes[i][j].x > width ||lukes[i][j].x < 0) {
        edge = true;
      }

      if (edge) {
        for (var i = 0; i < lukes.length; i++) {
          lukes[i][j].shiftDown();
        }
      }
    }
  }

/*
    for (var i = lasers.length-1; i >= 0; i--) {
      if (lasers[i].toDelete) {
        lasers.splice(i, 1);
      }
    }

    for (var i = lukes.length-1; i >= 0; i--) {
      if (lukes[i].shiftTally > 10) {
        setup(); // game over
      }
    }
  }

  for (var i = 0; i< lasers.length; i++) {
    lasers[i].show();
    lasers[i].move();
    for (var j = 0; j < lukes.length; j++) {
      if (lasers[i].hits(lukes[i]) ) {
        lukes[i][j].grow();
        lasers[i].evap();
        if (lukes[i].health < 1) {
            lukes.splice(j, 1);
        }
      }
    }
  }
  */


function keyReleased() {
  if (key != ' ') {
    ship.setDir(0);
  }
}

function keyPressed() {
  if (key === ' ') {
    var laser = new Laser(ship.x, height);
    lasers.push(laser);
  }

  if (keyCode === RIGHT_ARROW) {
    ship.setDir(1);
  } else if (keyCode === LEFT_ARROW) {
    ship.setDir(-1);
  }

}