function _createGradientSurface() {
var background = new CanvasSurface({
classes: ['backgroundSurface'],
size: [window.innerWidth * 1.2, window.innerHeight * 1.2],
canvasSize: [window.innerWidth * 1.2, window.innerHeight * 1.2]
});
var colorCanvas = background.getContext('2d');
var gradient = colorCanvas.createLinearGradient(
window.innerWidth * 1.2, //x0
0, //y0
0, //x1
window.innerHeight * 1.2 //y1
);
for (var i = 0; i < this._colorStops.length; i++) {
gradient.addColorStop(this._colorStops[i].position, this._colorStops[i].color);
}
colorCanvas.fillStyle = gradient;
colorCanvas.fillRect(0, 0, window.innerWidth * 1.2, window.innerHeight * 1.2);
this._add(background);
}
Timer.every(function() {
for (var i=0; i < ships.length; i++) {
ships[i].magnitudeLimit(1);
ships[i].stateMod.setTransform(ships[i].particle.getTransform());
ships[i].wraparound();
// if (ships[i].collision.alive === false) {
// resetShip(ships[i]);
// };
if (keyState[65] /*&& ships[i].collision.alive*/) {
ships[i].direction -= Math.PI / 32;
mainCon.add(ships[i].stateMod).add(ships[i].rotationModifier()).add(ships[i].currentSurface);
};
if (keyState[68] /*&& ships[i].collision.alive*/) {
ships[i].direction += Math.PI / 32;
mainCon.add(ships[i].stateMod).add(ships[i].rotationModifier()).add(ships[i].currentSurface);
};
if (keyState[87] /*&& ships[i].collision.alive*/) {
ships[i].addVector(0.02);
};
if (keyState[82]) {
sessionStorage.score = scoreboard.score;
sessionStorage.ships = scoreboard.ships;
location.reload();
};
if (ships[i].eventHandler.explosionTimer > 0) {
ships[i].eventHandler.explosionTimer -= 1;
if (ships[i].eventHandler.explosionTimer === 0) {
scoreboard.ships -=1;
removeItem(ships[i]);
sessionStorage.score = scoreboard.score;
sessionStorage.ships = scoreboard.ships;
location.reload();
};
};
// allow torpedo fire every 5 frames if torpedos in play < 4
if (ships[i].torpTimer > 0) {
ships[i].torpTimer -= 1;
};
if ((keyState[76]) && (torpedos.length < 4) && (ships[i].torpTimer === 0)) {
createTorpedo(ships[i]);
};
};
for (var i=0; i < asteroids.length; i++) {
asteroids[i].magnitudeLimit(1);
asteroids[i].stateMod.setTransform(asteroids[i].particle.getTransform());
asteroids[i].wraparound();
if (asteroids[i].eventHandler.createDisallow > 0) {
asteroids[i].eventHandler.createDisallow -= 1;
};
if (asteroids[i].eventHandler.explosionTimer > 0) {
asteroids[i].eventHandler.explosionTimer -= 1;
if (asteroids[i].eventHandler.explosionTimer === 0) {
removeItem(asteroids[i]);
asteroids.splice(i,1);
};
};
};
for (var i=0; i < torpedos.length; i++) {
torpedos[i].stateMod.setTransform(torpedos[i].particle.getTransform());
torpedos[i].wraparound();
if (torpedos[i].eventHandler.explosionTimer > 0) {
torpedos[i].eventHandler.explosionTimer -= 1;
if (torpedos[i].eventHandler.explosionTimer === 0) {
removeItem(torpedos[i]);
torpedos.splice(i, 1);
};
};
if (torpedos[i].existanceTimer > 0) {
torpedos[i].existanceTimer -= 1;
if (torpedos[i].existanceTimer === 0) {
removeItem(torpedos[i]);
torpedos.splice(i,1);
};
};
};
var ctx = scoreboard.getContext('2d');
ctx.font = '30px Arial';
ctx.fillStyle = 'white';
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
ctx.fillText('Score: ' + scoreboard.score.toString() + " Ships: " + (scoreboard.ships -1).toString(),10,50);
}, 1);