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foe.js
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foe.js
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var Foe = function() {
a = randI(0,359);
this.x = game.player.x + (canvas.width * 0.5 * Math.cos(a));
this.y = game.player.y + (canvas.height * 0.5 * Math.sin(a));
this.r = rand(10, 20);
this.s = rand(0.0015, 0.0055);
this.c = cc[12];
this.f = false;
this.ft = null;
this.toDelete = false;
this.reversed = false;
this.update = function() {
if (this.f && game.time - this.ft > 2000)
this.unfreeze();
x = game.player.x - this.x;
y = game.player.y - this.y;
d = Math.sqrt(x*x+y*y);
if (d > 1) {
if(this.reversed) {
this.x -= x * (this.s/10);
this.y -= y * (this.s/10);
} else {
this.x += x * (this.s/10);
this.y += y * (this.s/10);
}
if (!this.f)
this.s += 0.00005;
}
if(distance(this, game.player) < game.player.r/4 + this.r) {
this.destroy();
game.gameover = true;
}
else {
for(var i = 0, c = game.player.powers.length; i < c; i ++) {
var p = game.player.powers[i];
if(p.toDelete === false && distance(p, this) < p.r * 2 + this.r) {
p.destroy();
this.destroy();
break;
}
}
}
if(this.reversed == true) {
if(this.x < 0 || this.x > canvas.width || this.y < 0 || this.y > canvas.height) {
this.reverse();
}
}
this.render();
}
this.render = function() {
C(ctx,this.c,this.x,this.y,this.r,1);
}
this.destroy = function() {
this.toDelete = true;
}
this.knockback = function(distance) {
x = game.player.x - this.x;
y = game.player.y - this.y;
this.s -= 0.0005;
d = Math.sqrt(x*x+y*y);
if (d > 1) {
this.x -= x * (this.s*distance);
this.y -= y * (this.s*distance);
}
}
this.slowdown = function(speed) {
this.s -= speed;
}
this.freeze = function() {
this.c = cc[2];
this.f = true;
this.s = 0;
this.ft = +new Date();
}
this.unfreeze = function() {
this.c = cc[12];
this.f = false;
this.ft = null;
}
this.reverse = function() {
this.reversed = !this.reversed;
this.c = this.reversed ? cc[8] : cc[12];
}
}