AtomicGameEngine-Examples/NewSpaceGame/Resources/Components/AI.js

var game = Atomic.game;
var node = self.node;

self.canMove = false;
self.allowShoot = true;
self.shootDelta = 0;

function start() {


}

function update(timeStep) {

    if (SpaceGame.gameOver)
        return;

    var pos = node.worldPosition2D;
    var ppos = SpaceGame.playerNode.worldPosition2D;

    if (self.canMove) {

        if (Math.abs(pos[0] - ppos[0]) > .25) {
            if (pos[0] < ppos[0])
                pos[0] += timeStep * .95;
            else
                pos[0] -= timeStep * .95;

            node.position2D = pos;
        }
    }

    if (self.shootDelta > 0) {
    
        self.shootDelta -= timeStep;
        
        if (self.shootDelta < 0)
            self.shootDelta = 0;

        return;
    }

    if (Math.abs(pos[0] - ppos[0]) < .25) {
    
        self.shootDelta = 0.5;            

        if (Math.random() > .1)
            return;

        var pos = node.worldPosition2D;
        pos[1] -= .25;
        SpaceGame.spawnBullet(pos, false);
    }

}