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sequences.js
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var sequences=[[],[],[],[],[]], // 5 difficulty levels
currentSequence=0,
sequenceModifier=Math.round(Math.random()*100),
seqLocation=0,
delayTime=0,
lastTime = 0,
pauseTime = 0,
difficultyLevel = 0,
sequenceSpeed = 1;
function pauseSequence(){
pauseTime = now();
}
function unpauseSequence(){
lastTime+= now()-pauseTime;
}
function getNextSequence(){
if (difficultyLevel === 0){
currentSequence = sequences[0][0];
difficultyLevel = 1;
return;
}
var m = Math, random = m.random, round = m.round;
seqLocation=0;
sequenceModifier=round(random()*100);
var dif = round((difficultyLevel-1)*random()+1);
if (dif > difficultyLevel || dif < 1)
dif = Math.floor(difficultyLevel);
sequenceSpeed = 1+(dif-difficultyLevel)/2;
var cs = sequences[dif];
csid =Math.floor((cs.length+1)*random());
currentSequence = cs[csid];
if (!currentSequence){
csid = cs.length-1;
currentSequence = cs[csid];
}
difficultyLevel += 0.3/Math.floor(difficultyLevel);
if (difficultyLevel>4)
difficultyLevel = 4;
}
function getNextSet(){
var set = [], n = now(), cs = currentSequence, dt = delayTime;
if (dt <= n-lastTime){
lastTime = n;
dt = 0;
for (var l = cs.length;seqLocation<l && dt == 0;seqLocation++){
var o = cs[seqLocation], e = o.enemy();
o.location(e);
dt+=o.delayAfter;
set.push(e);
}
delayTime = dt;
}
if (seqLocation>=cs.length){
getNextSequence();
}
return set;
}
function resetSequences(){
currentSequence=sequences[0][0];
sequenceModifier=Math.round(Math.random()*100);
seqLocation=0;
delayTime=0;
lastTime = 0;
pauseTime = 0;
difficultyLevel = 1;
}
var Enemy = {
Star:function (){return new Star;},
BlueBox:function (){return new BlueBox;},
GreenBox:function (){return new GreenBox;},
PurpleBox:function (){return new PurpleBox;},
PurpleMini:function (){return new PurpleMini;},
BlackHole:function (){return new BlackHole;},
MicroBlackHole:function (){return new MicroBlackHole;},
RedShip:function (){return new RedShip;},
Serpent:function(){return new Serpent;},
Tix:function(){return new Tix;},
random:(function (){
var enemy = [Star,BlueBox,GreenBox,PurpleBox,RedShip,Serpent], pc = [0.25,0.25,0.2,0.2,0.05,0.05];
return function(){
var er = Math.random(), n = 0, i;
for (var i = 0; i<pc.length && n<er;i++){
n+=pc[i];
}
var e = new (enemy[i]||Star);
return e;
}
})()
}
//Default location function
function dl(e){
//random location, but don't appear on top of player, or too close (100px margin should be more than enough)
var random=Math.random;
e.x=random()*w;
e.y=random()*h;
while (distance(e,playermap.getNearest(this))<=100){
e.x=random()*w;
e.x=random()*h;
}
}
function topLeft(e){
var random=Math.random;
e.x=15+random(); // the random helps prevent things being in exactly the same place, so they'll try to avoid eachother
e.y=15+random();
e.angle=angleTo(e,{x:w2,y:h2})
}
function topRight(e){
var random=Math.random;
e.x=w-15+random();
e.y=15+random();
e.angle=angleTo(e,{x:w2,y:h2})
}
function bottomLeft(e){
var random=Math.random;
e.x=15+random();
e.y=h-15+random();
e.angle=angleTo(e,{x:w2,y:h2})
}
function bottomRight(e){
var random=Math.random;
e.x=w-15+random();
e.y=h-15+random();
e.angle=angleTo(e,{x:w2,y:h2})
}
function gotoplayer(e,n){
n=n||0;
var p = playermap.list[n].o;
e.x=p.x||w/2;
e.y=p.y||h/2;
}
function up(e){
gotoplayer(e);
e.y-=100;
}
function down(e){
gotoplayer(e);
e.y+=100;
}
function left(e){
gotoplayer(e);
e.x-=100;
}
function right(e){
gotoplayer(e);
e.x+=100;
}
function upleft(e){
gotoplayer(e);
e.y-=100;
e.x-=100;
}
function upright(e){
gotoplayer(e);
e.y-=100;
e.x+=100;
}
function downleft(e){
gotoplayer(e);
e.y+=100;
e.x-=100;
}
function downright(e){
gotoplayer(e);
e.y+=100;
e.x+=100;
}
//delay after is in milliseconds
sequences[0].push([
{enemy:Enemy.Star,delayAfter:3000,location:dl},
{enemy:Enemy.Star,delayAfter:3000,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.BlueBox,delayAfter:3000,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.BlueBox,delayAfter:3000,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.BlueBox,delayAfter:3000,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.BlueBox,delayAfter:3000,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:function (){return sequenceModifier>50?new GreenBox():new PurpleBox()},delayAfter:0,location:dl},
{enemy:function (){return sequenceModifier>50?new GreenBox():new PurpleBox()},delayAfter:3000,location:dl},
{enemy:Enemy.BlueBox,delayAfter:0,location:dl},
{enemy:Enemy.BlueBox,delayAfter:0,location:dl},
{enemy:function (){return sequenceModifier>50?new GreenBox():new PurpleBox()},delayAfter:0,location:dl},
{enemy:function (){return sequenceModifier>50?new GreenBox():new PurpleBox()},delayAfter:3000,location:dl},
{enemy:Enemy.BlueBox,delayAfter:0,location:dl},
{enemy:Enemy.PurpleBox,delayAfter:0,location:dl},
{enemy:Enemy.Star,delayAfter:0,location:dl},
{enemy:Enemy.GreenBox,delayAfter:0,location:dl},
{enemy:Enemy.BlackHole,delayAfter:5000,location:dl}
]);
sequences[1].push([
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:10000,location:bottomRight}
]);
sequences[1].push([
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:120,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:8000,location:bottomRight}
]);
sequences[1].push([
{enemy:Enemy.BlueBox,delayAfter:0,location:topLeft},
{enemy:Enemy.PurpleBox,delayAfter:0,location:topLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:topLeft},
{enemy:Enemy.BlackHole,delayAfter:0,location:topLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:topRight},
{enemy:Enemy.PurpleBox,delayAfter:0,location:topRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:topRight},
{enemy:Enemy.BlackHole,delayAfter:0,location:topRight},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.PurpleBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlackHole,delayAfter:0,location:bottomLeft},
{enemy:Enemy.BlueBox,delayAfter:0,location:bottomRight},
{enemy:Enemy.PurpleBox,delayAfter:0,location:bottomRight},
{enemy:Enemy.GreenBox,delayAfter:0,location:bottomRight},
{enemy:Enemy.BlackHole,delayAfter:5000,location:bottomRight}
]);
sequences[2].push([
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:300,location:dl},
{enemy:Enemy.random,delayAfter:10000,location:dl}
]);
sequences[2].push([
{enemy:Enemy.Serpent,delayAfter:0,location:topLeft},
{enemy:Enemy.Serpent,delayAfter:0,location:topRight},
{enemy:Enemy.Serpent,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Serpent,delayAfter:7000,location:bottomRight}
]);
sequences[3].push([
{enemy:Enemy.RedShip,delayAfter:0,location:dl},
{enemy:Enemy.RedShip,delayAfter:2000,location:dl}
]);
sequences[3].push([
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:40,location:bottomRight},
{enemy:Enemy.Tix,delayAfter:0,location:topLeft},
{enemy:Enemy.Tix,delayAfter:0,location:topRight},
{enemy:Enemy.Tix,delayAfter:0,location:bottomLeft},
{enemy:Enemy.Tix,delayAfter:3000,location:bottomRight}
]);
sequences[4].push([
{enemy:Enemy.BlueBox,delayAfter:0,location:up},
{enemy:Enemy.BlueBox,delayAfter:0,location:down},
{enemy:Enemy.BlueBox,delayAfter:0,location:left},
{enemy:Enemy.BlueBox,delayAfter:0,location:right},
{enemy:Enemy.BlueBox,delayAfter:0,location:upleft},
{enemy:Enemy.BlueBox,delayAfter:0,location:upright},
{enemy:Enemy.BlueBox,delayAfter:0,location:downleft},
{enemy:Enemy.BlueBox,delayAfter:300,location:downright},
{enemy:Enemy.BlueBox,delayAfter:0,location:up},
{enemy:Enemy.BlueBox,delayAfter:0,location:down},
{enemy:Enemy.BlueBox,delayAfter:0,location:left},
{enemy:Enemy.BlueBox,delayAfter:0,location:right},
{enemy:Enemy.BlueBox,delayAfter:0,location:upleft},
{enemy:Enemy.BlueBox,delayAfter:0,location:upright},
{enemy:Enemy.BlueBox,delayAfter:0,location:downleft},
{enemy:Enemy.BlueBox,delayAfter:5000,location:downright}
]);