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Cool_game.html
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Cool_game.html
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<html>
<head>
<title>Mage Game</title>
<meta name="viewport" content="user-scalable=no, initial-scale=1.0, maximum-scale=1.0, width=device-width">
</head>
<body bgcolor=black >
<script>'use strict';
/*
https://code.sololearn.com/Www1jK4TAZ9V/?ref=app
https://code.sololearn.com/WS3YqdmYczG5/?ref=app
91 - 134: Animation template
141 - 194: Game loop
232 - 247: Toast messages
250 - 274: Coin display
277 - 292: Info display
295 - 463: Stats
469 - 666: Shop
692 - 763: Sprite class
776 - 900: Mage class
907 - 951: Enemy class
963 - 995: Projectile class
1010 - 1028: Coin class
1034 - 1139: Map class
1150 - 1416: Minimap class
1437 - 1601: Controls class
1622 - 1764: DOM Elenment class
1789 - 1803: Interval class
1808 - 1886: Class functions
1920 - 1935: Camera focus
1939 - 1982: Block effects
1987 - 2065: Mage - Block collision
2072 - 2090: Mage - Coin collision
2097 - 2149: Projectile collision
2153 - 2171: Enemy collision
2230 - 2277: Keyboard controls
2284 - 2380: Map initialization
2391 - 2427: Level loading
2435 - 2573: Sprite + Level data
2576 - 2584: Image slicing
93 - 96: [function] update_fps
98 - 103: [function] init_fps
105 - 112: [function] init_canvas
114 - 120: [function] main
123 - 125: [function] clear
154 - 173: [function] setup
175 - 183: [function] update
185 - 192: [function] draw
252 - 272: [function] create_coin_counter
353 - 399: [function] set_mana
402 - 448: [function] set_health
450 - 461: [function] update_stats
477 - 522: [class] ScrollSelector
695 - 761: [class] Sprite
779 - 895: [class] Mage
909 - 944: [class] Enemy
965 - 990: [class] MageBullet
1012 - 1023: [class] Coin
1042 - 1137: [class] Map
1161 - 1303: [class] Minimap
1439 - 1599: [class] Joystick
1624 - 1750: [class] Element
1791 - 1801: [class] Interval
1810 - 1845: [function] spawn_enemies
1847 - 1860: [function] spawn_coins
1863 - 1869: [function] delete_all_coins
1871 - 1877: [function] delete_all_bullets
1879 - 1885: [function] delete_all_enemies
1899 - 1901: [function] pause
1903 - 1905: [function] resume
1909 - 1916: [function] equals
1922 - 1933: [function] handle_mage_at_screen_edges
1941 - 1979: [function] block_collisions
1989 - 2063: [function] handle_mage_collisions
2075 - 2088: [function] handle_mage_coins_collisions
2099 - 2147: [function] handle_bullet_collision
2155 - 2169: [function] handle_enemy_collision
2194 - 2198: [function] get_index
2201 - 2211: [function] get_indices
2213 - 2215: [function] choice
2217 - 2222: [function] get_id
2239 - 2247: [function] handle_keyboard
2250 - 2275: [function] add_event_listeners
2286 - 2378: [function] init_map
2394 - 2424: [function] load_level
*/
/* <Animation template> */
var update_fps = function() {
fps.innerHTML = Math.round(1000/(Date.now()-now));
now = Date.now();
};
var init_fps = function() {
fps = document.createElement("a");
fps.style.color = "lime";
document.body.appendChild(fps);
now = Date.now();
};
var init_canvas = function() {
c = document.getElementById("cvs");
ctx = c.getContext("2d");
c.width = window.innerWidth;
c.height = window.innerHeight;
W = window.innerWidth;
H = window.innerHeight;
};
var main = function() {
update_fps();
update();
clear();
draw();
requestAnimationFrame(main);
};
var clear = function() {
c.width = c.width;
};
window.onload = function() {
init_fps();
init_canvas();
setup();
requestAnimationFrame(main);
};
/* </Animation template> */
/* <Game loop> */
var fps, now, c, ctx, W, H;
var map, mage;
var coins = [], coin_ref;
var enemies = [];
var mana = 8, health = 8;
var joystick_divs;
var use_joystick = true;
var paused = false;
var minimap, joystick;
var setup = () => {
map = new Map();
joystick = new Joystick();
mage = new Mage();
init_map(map);
mage.set_cycle(data.mage.idle);
add_event_listeners();
coin_ref = create_coin_counter();
mana_container.show();
health_container.show();
questionmark.show();
update_stats();
load_level(level);
minimap = new Minimap(map, minimap_colors);
};
var update = () => {
// mage.update();
map.update();
handle_mage_at_screen_edges();
handle_mage_collisions();
handle_mage_coins_collisions();
handle_bullet_collision();
handle_enemy_collision();
};
var draw = () => {
map.update_animation();
map.draw();
minimap.draw();
// for(var i in coins) coins[i].draw();
// for(var i in enemies) enemies[i].draw();
// for(var i in mage_bullets) mage_bullets[i].draw();
};
/* </Game loop> */
var link = "https://i.ibb.co/VxTkPJJ/mage-sprite-8.png";
/* <Toast messages> */
var toast = new Element({
background: "grey", color: "#fff",
left: "50%", bottom: "10vh", position: "absolute",
transform: "translate(-50%, 0)",
padding: "5px 10px 5px 10px", borderRadius: "5px",
zIndex: "100",
});
toast.apply_design({
top: "10vh", bottom: ""
});
/* </Toast messages> */
/* <Coin display> */
var create_coin_counter = function() {
var div = new Element({
background: "url("+link+")",
backgroundPosition: "0 -256px",
backgroundSize: "512px 512px",
width: "32px", height: "32px", textAlign: "center",
lineHeight: "39px", color: "#000", fontWeight: "bold",
position: "fixed", top: "0", right: "0",
});
div.text = coin_counter;
div.show();
div.add_event_listener( "click" , function() {
shop_container.fade_in();
shop_container.appendChild(shop_exit);
shop_exit.show();
pause();
});
return div;
};
/* </Coin display> */
/* <Info display> */
var questionmark = new Element({
background: "url("+link+")",
backgroundPosition: "-288px -256px",
backgroundSize: "512px 512px",
width: "32px", height: "32px", textAlign: "center",
lineHeight: "39px", color: "#000", fontWeight: "bold",
position: "fixed", top: "40px", right: 0,
});
questionmark.add_event_listener( "click" , function() {
toast.makeToast("Try to defeat all enemies!");
});
/* </Info display> */
/* <Stats> */
var mana_container = new Element({
width: "96px", height: "32px", position: "fixed",
right: "40px", top: "0"
});
var mana_left = new Element({
width: "32px", height: "32px",
backgroundImage: "url("+link+")",
backgroundSize: "512px 512px",
});
var mana_middle = new Element({
width: "32px", height: "32px",
left: "32px", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "512px 512px",
});
var mana_right = new Element({
width: "32px", height: "32px",
left: "64px", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "512px 512px",
});
mana_container.appendChild(mana_left);
mana_container.appendChild(mana_middle);
mana_container.appendChild(mana_right);
var health_container = new Element({
width: "96px", height: "32px", position: "fixed",
right: "140px", top: "0"
});
var health_left = new Element({
width: "32px", height: "32px",
backgroundImage: "url("+link+")",
backgroundSize: "512px 512px",
});
var health_middle = new Element({
width: "32px", height: "32px",
left: "32px", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "512px 512px",
});
var health_right = new Element({
width: "32px", height: "32px",
left: "64px", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "512px 512px",
});
health_container.appendChild(health_left);
health_container.appendChild(health_middle);
health_container.appendChild(health_right);
var set_mana = function(value /* 0-8 */) {
if(value === 0) {
mana_left.div.style.backgroundPosition = "-96px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-256px -320px";
}
if(value === 1) {
mana_left.div.style.backgroundPosition = "-64px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-256px -320px";
}
if(value === 2) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-256px -320px";
}
if(value === 3) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-224px -320px";
}
if(value === 4) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-192px -320px";
}
if(value === 5) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-160px -320px";
}
if(value === 6) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-352px -320px";
mana_middle.div.style.backgroundPosition = "-128px -320px";
}
if(value === 7) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-320px -320px";
mana_middle.div.style.backgroundPosition = "-128px -320px";
}
if(value === 8) {
mana_left.div.style.backgroundPosition = "-32px -320px";
mana_right.div.style.backgroundPosition = "-288px -320px";
mana_middle.div.style.backgroundPosition = "-128px -320px";
}
};
var set_health = function(value /* 0-8 */) {
if(value === 0) {
health_left.div.style.backgroundPosition = "-96px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-256px -352px";
}
if(value === 1) {
health_left.div.style.backgroundPosition = "-64px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-256px -352px";
}
if(value === 2) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-256px -352px";
}
if(value === 3) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-224px -352px";
}
if(value === 4) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-192px -352px";
}
if(value === 5) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-160px -352px";
}
if(value === 6) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-352px -352px";
health_middle.div.style.backgroundPosition = "-128px -352px";
}
if(value === 7) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-320px -352px";
health_middle.div.style.backgroundPosition = "-128px -352px";
}
if(value === 8) {
health_left.div.style.backgroundPosition = "-32px -352px";
health_right.div.style.backgroundPosition = "-288px -352px";
health_middle.div.style.backgroundPosition = "-128px -352px";
}
};
var update_stats = function() {
set_mana(mana); set_health(health);
if(health < 0) {
level = 1, health = 8, mana = 8, coin_counter = 0;
coin_ref.innerHTML = 0;
update_stats();
toast.makeToast("Game Over", 1000);
setTimeout(function() {
load_level(level);
},50);
}
};
/* </Stats> */
/* <Shop> */
var prices = {
hp: 10, mp: 1
};
function ScrollSelector(width, height, values, callback) {
var container = new Element({
scrollSnapType: "y mandatory",
overflowX: "hidden", overflowY: "scroll",
width: width+"px", height: height+"px",
borderRadius: "10px"
});
var tabs = [];
for(var i = 0; i < values.length; i++) {
var value = values[i];
var tab = new Element({
width: width+"px", height: height/2+"px",
background: "white", color: "black",
lineHeight: height/2+7+"px", textAlign: "center",
overflow: "hidden", scrollSnapAlign: "center"
});
tab.text = value;
tab.div.setAttribute("value", value);
container.appendChild(tab);
tabs.push(tab);
if(i === 0) tab.div.style.borderTop = height/4+"px solid white";
if(i === values.length-1) tab.div.style.borderBottom = height/4+"px solid white";
}
container.add_event_listener("scroll", function() {
var s = container.div.scrollTop;
var i = s/(height/2);
if(i % 1 === 0) {
container.value = values[i];
for(var j in tabs) tabs[j].div.style.fontWeight = "lighter";
tabs[i].div.style.fontWeight = "bolder";
callback(container.value);
}
});
container.value = values[0];
for(var j in tabs) tabs[j].div.style.fontWeight = "lighter";
tabs[0].div.style.fontWeight = "bolder";
container.tabs = tabs;
return container;
}
var shop_exit = new Element({
width: "30px", height: "30px",
position: "absolute", right: "10px",
top: "10px", background: "red",
color: "#fff", borderRadius: "5px"
});
shop_exit.text = "<svg width='30px' height='30px'><path"+
" d='M7 7 l16 16 M23 7 L7 23' stroke='white' stroke-width"+
"='5'></path></svg>";
shop_exit.add_event_listener( "click" , function() {
shop_exit.remove();
shop_container.fade_out();
resume();
});
var shop_container = new Element({
width: "180px",
height: "150px",
background: "rgba(255,255,255,0.5)",
borderRadius: "20px", position: "fixed",
left: "50%", top: "50%",
transform: "translate(-50%, -50%)"
});
var shop_mana_container = new Element({
height: "50px",
width: "110px",
position: "fixed",
left: "20px", top: "20px",
});
var shop_health_container = new Element({
height: "50px",
width: "110px",
position: "fixed",
left: "20px", top: "80px",
});
var mana_selector = new ScrollSelector(50, 50, [1,2,3,4,5], function(v) {
mana_selector.remove();
shop_mana_container.appendChild(shop_mana_potion);
shop_mana_potion.text = v;
shop_mana_coin.text = v*prices.mp;
});
var shop_mana_potion = new Element({
width: "50px", height: "50px",
left: "0", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "800px 800px",
backgroundPosition: "0 -500px",
lineHeight: "72px", color: "#000",
textAlign: "center", fontWeight: "bolder"
}); shop_mana_potion.text = 1;
shop_mana_potion.add_event_listener( "click" , function() {
shop_mana_potion.remove();
shop_mana_container.appendChild(mana_selector);
});
var shop_mana_coin = new Element({
width: "50px", height: "50px",
left: "60px", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "800px 800px",
backgroundPosition: "0 -400px",
lineHeight: "57px", color: "#000",
textAlign: "center", fontWeight: "bolder"
}); shop_mana_coin.text = 1*prices.mp;
shop_mana_coin.add_event_listener( "click" , function() {
if(coin_counter >= parseInt(shop_mana_coin.text) &&
mana <= 8-parseInt(shop_mana_potion.text)) {
coin_counter -= parseInt(shop_mana_coin.text);
mana += parseInt(shop_mana_potion.text);
update_stats();
coin_ref.text = coin_counter;
}
});
shop_mana_container.appendChild(shop_mana_potion);
shop_mana_container.appendChild(shop_mana_coin);
var health_selector = new ScrollSelector(50, 50, [1,2,3], function(v) {
health_selector.remove();
shop_health_container.appendChild(shop_health_potion);
shop_health_potion.text = v;
shop_health_coin.text = v*prices.hp;
});
var shop_health_potion = new Element({
width: "50px", height: "50px",
left: "0", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "800px 800px",
backgroundPosition: "0 -550px",
lineHeight: "72px", color: "#000",
textAlign: "center", fontWeight: "bolder"
}); shop_health_potion.text = 1;
shop_health_potion.add_event_listener( "click" , function() {
shop_health_potion.remove();
shop_health_container.appendChild(health_selector);
});
var shop_health_coin = new Element({
width: "50px", height: "50px",
left: "60px", position: "absolute", top: "0",
backgroundImage: "url("+link+")",
backgroundSize: "800px 800px",
backgroundPosition: "0 -400px",
lineHeight: "57px", color: "#000",
textAlign: "center", fontWeight: "bolder"
}); shop_health_coin.text = 1*prices.hp;
shop_health_coin.add_event_listener( "click" , function() {
if(coin_counter >= parseInt(shop_health_coin.text) &&
health <= 8-parseInt(shop_health_potion.text)) {
coin_counter -= parseInt(shop_health_coin.text);
health += parseInt(shop_health_potion.text);
update_stats();
coin_ref.text = coin_counter;
}
});
shop_health_container.appendChild(shop_health_potion);
shop_health_container.appendChild(shop_health_coin);
shop_container.appendChild(shop_mana_container);
shop_container.appendChild(shop_health_container);
shop_container.appendChild(shop_exit);
/* </Shop> */
/* <Sprite class> */
function Sprite() {
this.img = new Image();
this.img.crossOrigin = "*";
this.img.src = link;
this.active_data;
this.cycle_array;
this.interval;
this.blit = function(x,y,m) {
var d = this.active_data;
if(d && d[6] && !m || d && !d[6] && m) {
ctx.setTransform(-1,0,0,1,x,y);
ctx.drawImage(this.img, d[0], d[1], d[2], d[3],
-d[5], 0, d[4], d[5]);
ctx.setTransform(1,0,0,1,0,0);
} else if(d) {
ctx.drawImage(this.img, d[0], d[1], d[2], d[3],
x, y, d[4], d[5]);
}
};
this.set_cycle = function(array, time, mirror) {
time = time || 150;
var cycle = [];
for(var i in array) {
var d = data.tiles[Math.abs(array[i])];
if(array[i] < 0 || mirror) d = d.concat(true);
cycle.push(d);
}
if(!equals(cycle,this.cycle_array)) {
this.cycle_array = [-1,cycle];
var update = () => {
this.update_cycle(this.cycle_array);
};
update();
// if(this.interval) this.interval.pause();
this.animation_interval = new Interval(update,time);
}
};
this.update_cycle = function(array) {
var ca = array;
this.cycle_array[0] = ca[0]>ca[1].length-2?0:ca[0]+1;
this.active_data = ca[1][this.cycle_array[0]];
};
this.get_cycle = function(array) {
var cycle = [];
for(var i in array) {
var d = data.tiles[Math.abs(array[i])];
if(array[i] < 0) d = d.concat(true);
cycle.push(d);
}
return cycle;
};
this.update_animation = function() {
this.animation_interval.update();
};
this.update = function() {
if(this.interval) this.interval.update();
};
}
/* </Sprite class> */
/* <Mage class> */
var mage_bullets = [];
function Mage(scale) {
Sprite.call(this);
this.vel = {x:0, y:0};
this.pos = {x:48, y:48};
this.gravity = {x:0, y:0.5};
this.friction = {x:1, y:1};
this.size = 24;
this.on_ground = false;
this.at_wall = false;
this.mirror = false;
this.shot = false;
this.invincible = false;
this.in_double = false;
this.in_air = true;
var self = this;
this.draw = function(x,y) {
this.blit(x-this.size/2,
y-this.size/2, this.mirror);
};
var min = function(u, v) {
return Math.abs(u) < v? u: u<0?-v:v;
};
this.update = function() {
var keyboard = handle_keyboard(this);
var dx = keyboard.dx || (joystick.right?1:joystick.left?-1:0);
var dy = -keyboard.dy || 0;
if(use_joystick && !paused) {
this.vel.x = min(this.vel.x+dx/3, 3);
if(dx === 0) this.vel.x *= 0.85;
if(Math.abs(this.vel.x) < 0.1) this.vel.x = 0;
if(dx > 0) this.mirror = false;
if(dx < 0) this.mirror = true;
if((joystick.jump || dy > 0) && (this.on_ground)) {
this.jump(this.in_air?1.5:2);
}
if(this.vel.y > 0 && !this.in_double && (joystick.jump || dy > 0)) {
this.in_double = true;
this.jump(2);
}
this.vel.x += this.gravity.x*this.friction.x;
this.pos.x += this.vel.x;
this.pos.y += this.vel.y;
if(!this.on_ground) {
this.vel.y += this.gravity.y*this.friction.y;
} else {
this.in_double = false;
this.in_air = false;
}
if(this.at_wall) {
this.in_double = false;
this.in_air = false;
if((dx > 0 || joystick.jump || dy > 0) && this.at_wall === "l") this.jump(2,3);
if((dx < 0 || joystick.jump || dy > 0) && this.at_wall === "r") this.jump(2,-3);
}
if(!this.on_ground && !this.at_wall) {
this.in_air = true;
}
if(this.vel.y < 0) this.set_cycle(data.mage.jump);
if(this.vel.y > 0 && !mage.on_wall) this.set_cycle(data.mage.fall);
if(this.vel.y > 9 && !mage.on_wall) this.set_cycle(data.mage.fast_fall);
if(this.on_ground && dx === 0) this.set_cycle(data.mage.idle);
if(this.at_wall && !this.on_ground) this.set_cycle(data.mage.wall);
if(this.on_ground && dx !== 0) this.set_cycle(data.mage.walk);
if(keyboard.shooting || joystick.shoot || this.shot) {
this.shoot(250); // cooldown ms
this.set_cycle(data.mage.shoot);
}
if(this.vel.x !== 0 || this.vel.y !== 0) minimap.reposition();
}
};
this.jump = function(sy, sx) {
this.in_air = true;
var x = Math.abs((sx||0));
var y = Math.sqrt(map.tile_size*
(map.tile_size*sy)/32);
x = Math.sqrt(map.tile_size*
(map.tile_size*x+this.size/2)/32);
this.vel.y = -y;
this.vel.x += sx>0?x:sx<0?-x:0;
};
this.shoot = function(cooldown) {
if(!this.shot && mana > 0 && !paused) {
mana--; update_stats();
this.shot = true;
var a = this;
var reload = function() {
space_key_down = false;
a.shot = false;
};
setTimeout(reload, cooldown);
var bullet = new MageBullet(this.pos, this.mirror);
mage_bullets.push(bullet);
}
};
}
Mage.prototype = Object.create(Sprite.prototype);
/* </Mage class> */
/* <Enemy class> */
function Enemy(x,y) {
Sprite.call(this);
this.size = 24;
this.pos = {x:(x+0.5)*map.tile_size+(map.tile_size-this.size)/2,
y:(y+0.5)*map.tile_size+(map.tile_size-this.size)/2};
this.mirror = false;
var color = Math.floor(4*Math.random());
this.create = function() {
this.id = get_id();
this.set_cycle(data.enemy[color], 300);
map.data.foreground[this.id] = this;
var a = this;
this.interval = new Interval(function() {
var np = {x: a.pos.x + map.tile_size/(a.mirror?-6:6), y:a.pos.y};
var col = block_collisions(a.pos, a.size);
if(col.bbl && !col.bbr || col.bbr && !col.bbl ||
col.tr || col.tl) {
a.mirror = !a.mirror;
}
a.pos.x += map.tile_size/(a.mirror?-20:20);
}, 40);
};
this.draw = function(x,y) {
// var x = this.pos.x + map.offset.x;
// var y = this.pos.y + map.offset.y;
this.blit(x-this.size/2, y-this.size/2, this.mirror);
};
this.create();
}
Enemy.prototype = Object.create(Sprite.prototype);
/* </Enemy class> */
/* <Projectile class> */
function MageBullet(pos, mirror) {
Sprite.call(this);
this.pos = {x:pos.x, y:pos.y};
this.size = 24;
this.mirror = mirror;
this.create = function() {
this.id = get_id();
this.set_cycle(data.bullet.move, 500);
map.data.foreground[this.id] = this;
var a = this;
this.interval = new Interval(function() {
a.pos.x += map.tile_size/(a.mirror?-3:3);
}, 16);
};
this.draw = function(x,y) {
// var coords = map.get_coords([this.pos.y, this.pos.x]);
// var x = this.pos.x + map.offset.x;
// var y = this.pos.y + map.offset.y;
this.blit(x-this.size/2, y-this.size/2, this.mirror);
};
this.create();
}
MageBullet.prototype = Object.create(Sprite.prototype);