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index.html
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<html>
<head>
<script>
var enemy1 = document.createElement("img");
enemy1.src = "./enemy.png";
var enemy2 = document.createElement("img");
enemy2.src = "./enemy2.png";
var hero = document.createElement("img");
hero.src = "./hero.png";
var tip = document.createElement("img");
tip.src = "./tip.png";
var log = document.createElement("img");
log.src = "./log.png";
var bottom = document.createElement("img");
bottom.src = "./bottom.png";
var floorimg = document.createElement("img");
floorimg.src = "./floor.png";
var bossimg = document.createElement("img");
bossimg.src = "./boss.png";
var bosshurtimg = document.createElement("img");
bosshurtimg.src = "./boss_hurt.png";
var bulletSmallRight = document.createElement("img");
bulletSmallRight.src = "./bull_right.png"
var bulletLargeRight = document.createElement("img");
bulletLargeRight.src = "./bullet_left_super.png"
var bulletUp = document.createElement("img");
bulletUp.src = "./bullet_up.png"
var sndPlayeDeath = document.createElement("audio");
sndPlayeDeath.src = "./player_death.wav";
var sndBossHurt = document.createElement("audio");
sndBossHurt.src = "./boss_hurt.wav";
var sndShoot2 = document.createElement("audio");
sndShoot2.src = "./shoot2.wav";
var sndShoot1 = document.createElement("audio");
sndShoot1.src = "./shoot1.wav";
var sndExplosion = document.createElement("audio");
sndExplosion.src = "./explosion.wav";
var sndJump = document.createElement("audio");
sndJump.src = "./jump.wav";
var sndPowerup = document.createElement("audio");
sndPowerup.src = "./next_stage.wav";
var canvas, ctx;
var world = {}
var player, boss, floor;
var keyArray = [];
var keyPressed = [];
var curTime, dTime, prevTime, eTime;
var lSpawn = 0;
var gameState = 0;
var score = 0;
var jumpButtons = [];
var shootButtons = [];
world.entities = [];
world.Entity = function Entity() {
this.id = (new Date()).getTime() + (Math.random() * 10000).toFixed(0);
this.components = {};
}
world.Entity.prototype = {
addComponent : function(_c) {
this.components[_c.name] = _c;
this.components[_c.name].entity = this;
},
gC : function(_s) {
return this.components[_s];
}
}
world.components = {}
world.components.KeyboardControlled = function KeyboardControlled() {};
world.components.KeyboardControlled.prototype.name = "keyboardcontrolled";
world.components.Position = function Position(_x, _y) {
this.x = _x;
this.y = _y;
}
world.components.Position.prototype.name = "position";
world.components.Physics = function Physics() {
this.xVel = 0;
this.yVel = 0;
this.xAcc = 0;
this.yAcc = 0;
this.gravity = 8;
this.drag = 0;
this.state = "falling";
}
world.components.Physics.prototype.name = "physics";
world.components.Collider = function Collider(_type) {
this.type = _type;
this.width = 20;
this.height = 20;
}
world.components.Collider.prototype.name = "collider";
world.components.SlidesLeft = function SlidesLeft() {
}
world.components.SlidesLeft.prototype.name = "slidesleft";
world.components.SlidesRight = function SlidesRight() {
}
world.components.SlidesRight.prototype.name = "slidesright";
world.components.AttacksUp = function AttacksUp() {
}
world.components.AttacksUp.prototype.name = "attacksup";
world.components.SlidesUp = function SlidesUp() {
}
world.components.SlidesUp.prototype.name = "slidesup";
world.components.Allied = function Allied(_team) {
this.team = _team;
}
world.components.Allied.prototype.name = "allied";
world.components.Armored = function Armored() {
this.isArmored = true;
}
world.components.Armored.prototype.name = "armored";
world.components.ChargeShot = function ChargeShot() {
}
world.components.ChargeShot.prototype.name = "chargeshot"
world.components.Boss = function Boss() {
this.damageTaken = 0;
this.stage = 1;
}
world.components.Boss.prototype.name = "boss";
world.components.Sprite = function Sprite(_sprite) {
this.sprite = _sprite;
}
world.components.Sprite.prototype.name = "sprite";
function createObstacle(_height) {
var obs = new world.Entity();
obs.addComponent(new world.components.Position(canvas.width + 20, canvas.height * 2 / 3 - 20 - 20 * _height));
obs.addComponent(new world.components.Collider("static"));
obs.addComponent(new world.components.SlidesLeft());
world.entities.push(obs);
return obs;
}
function createEnemy() {
var enemy = new world.Entity();
enemy.addComponent(new world.components.Position(canvas.width + 20, canvas.height * 2 / 3 - 20));
var a = Math.floor(Math.random() * 3);
if(a == 0) {
enemy.addComponent(new world.components.Armored());
enemy.addComponent(new world.components.Sprite(enemy2));
} else {
enemy.addComponent(new world.components.Sprite(enemy1));
}
enemy.addComponent(new world.components.Collider("static"));
enemy.addComponent(new world.components.SlidesLeft());
enemy.addComponent(new world.components.Allied("enemy"));
enemy.addComponent(new world.components.AttacksUp());
world.entities.push(enemy);
}
function initGame() {
prevTime = (new Date()).getTime();
eTime = 0;
lSpawn = -1000;
score = 0;
jumpButtons = [75]
shootButtons = [68]
player = new world.Entity();
player.addComponent(new world.components.KeyboardControlled());
player.addComponent(new world.components.Position(100, 100));
player.addComponent(new world.components.Physics());
player.addComponent(new world.components.Collider("dynamic"));
player.addComponent(new world.components.Sprite(hero));
world.entities.push(player);
floor = new world.Entity();
floor.addComponent(new world.components.Position(0, canvas.height * 2 / 3));
floorCollider = new world.components.Collider("static");
floorCollider.width = canvas.width;
floorCollider.height = 100;
floor.addComponent(floorCollider);
world.entities.push(floor);
boss = new world.Entity();
boss.addComponent(new world.components.Position(canvas.width - 100, canvas.height / 3));
var bossCollider = new world.components.Collider("static");
bossCollider.width = 100;
bossCollider.height = canvas.height * 2 / 3;
boss.addComponent(bossCollider);
boss.addComponent(new world.components.Boss());
world.entities.push(boss);
lTest = (new Date()).getTime()
for(var i = 0; i < canvas.width / 20 + 5; i++) {
var afloor = new world.Entity();
afloor.addComponent(new world.components.Position(0 + i * 20, canvas.height * 2 / 3));
afloor.addComponent(new world.components.SlidesLeft());
afloor.addComponent(new world.components.Sprite(floorimg));
world.entities.push(afloor);
}
}
function init() {
canvas = document.getElementById("aCanvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
ctx = canvas.getContext("2d");
window.onkeydown = function(_e) {
if(!keyPressed[_e.keyCode]) {
keyArray[_e.keyCode] = true;
}
keyPressed[_e.keyCode] = true;
if(keyArray[82] || keyArray[74]) {
//Gotta be able to refresh and open the console!
return true;
}
return false;
}
window.onkeyup = function(_e) {
keyPressed[_e.keyCode] = false;
keyArray[_e.keyCode] = false;
}
setInterval(main, 10);
}
function canShoot() {
for(var i = 0; i < shootButtons.length; i++) {
if(!keyArray[shootButtons[i]]) return false
}
return true;
}
function main() {
switch(gameState) {
case 0:
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.save();
ctx.textBaseline = "middle";
ctx.textAlign = "center";
ctx.font = "24px monospace";
ctx.fillText("Press the Jump/Shoot buttons to survive.", canvas.width / 2, canvas.height / 2 - 100);
ctx.fillText("Deal substantial damage to the boss to advance stages!", canvas.width / 2, canvas.height / 2 - 50);
ctx.fillText("Press Space to Begin!", canvas.width / 2, canvas.height / 2);
ctx.restore();
if(keyArray[32]) {
world.entities = [];
gameState = 1;
initGame();
}
break;
case 1:
if((new Date()).getTime() - lTest > 32) {
var afloor = new world.Entity();
afloor.addComponent(new world.components.Position(canvas.width + 20, canvas.height * 2 / 3));
afloor.addComponent(new world.components.SlidesLeft());
afloor.addComponent(new world.components.Sprite(floorimg));
world.entities.push(afloor);
lTest = (new Date()).getTime();
}
if(lSpawn + 1000 < eTime) {
var type = Math.floor((Math.random() * 3))
lSpawn = eTime;
switch(type) {
case 0:
obs = createObstacle(0);
obs.addComponent(new world.components.Sprite(log));
obs = createObstacle(1);
obs.addComponent(new world.components.Sprite(log));
obs = createObstacle(2);
obs.addComponent(new world.components.Sprite(tip));
lSpawn += 250;
break;
case 1:
obs = createObstacle(0);
obs.addComponent(new world.components.Sprite(tip));
obs = createObstacle(5);
obs.addComponent(new world.components.Sprite(bottom));
break;
case 2:
createEnemy();
break;
}
}
collision();
control();
ai();
logic();
render();
break;
case 2:
if(keyArray[32]) {
keyArray[32] = false;
gameState = 0;
}
render();
ctx.save();
ctx.textBaseline = "middle";
ctx.textAlign = "center";
ctx.font = "24px monospace";
ctx.fillText("You lost!", canvas.width / 2, canvas.height / 2 - 100);
ctx.fillText("Final Score: " + score, canvas.width / 2, canvas.height / 2 - 50);
ctx.fillText("Press Space to start over!", canvas.width / 2, canvas.height / 2);
ctx.restore();
break;
}
}
var cTime = 0;
var sDown = false;
var sSTime = 0;
function control() {
var phy = player.gC("physics");
if(phy.state == "still") {
if(canJump()) {
sndJump.play();
cTime = 0;
phy.state = "jumping";
phy.gravity = 0;
phy.yVel = -256;
}
} else if (phy.state == "jumping") {
if(canJump()) {
cTime += dTime;
if(cTime > 250) {
phy.state = "falling";
phy.gravity = 8;
}
} else {
phy.state = "falling";
phy.gravity = 8;
}
}
//console.log(shootHeld());
//shootHeld();
if(canShoot()) {
disableShoot();
sSTime = (new Date()).getTime();
sDown = true;
} else if(sDown && !shootHeld()) {
shoot();
sDown = false;
} else {
sStime = (new Date()).getTime();
}
}
function disableShoot() {
for(var i = 0; i < shootButtons.length; i++) {
keyArray[shootButtons[i]] = false;
}
}
function shootHeld() {
for(var i = 0; i < shootButtons.length; i++) {
if(!keyPressed[shootButtons[i]]) {
return false;
}
}
return true;
}
function canJump() {
for(var i = 0; i < jumpButtons.length; i++) {
if(!keyArray[jumpButtons[i]]) return false;
}
return true;
}
function shoot() {
var pos = player.gC("position");
var bullet = new world.Entity();
sndShoot1.play();
if((new Date).getTime() - sSTime > 500) {
bullet.addComponent(new world.components.ChargeShot());
bullet.addComponent(new world.components.Sprite(bulletLargeRight));
} else {
bullet.addComponent(new world.components.Sprite(bulletSmallRight));
}
bullet.addComponent(new world.components.Position(pos.x, pos.y));
bullet.addComponent(new world.components.SlidesRight());
bullet.addComponent(new world.components.Collider("dynamic"));
world.entities.push(bullet);
}
function ai() {
for(var i = 0; i < world.entities.length; i++) {
var e = world.entities[i];
var pos = e.gC("position");
var shoots = e.gC("attacksup");
if(shoots) {
if(!shoots.lastShot) {
shoots.lastShot = (new Date()).getTime();
shootUp(pos);
} else if (shoots.lastShot + 1000 < (new Date()).getTime()) {
shoots.lastShot = (new Date()).getTime();
shootUp(pos);
} else if (shoots.lastShot + 100 < (new Date()).getTime() && pos.x < player.gC("position").x + 20) {
shoots.lastShot = (new Date()).getTime();
shootUp(pos);
}
}
}
if(boss.gC("boss").damageTaken >= 1000 * Math.sqrt(boss.gC("boss").stage)) {
boss.gC("boss").damageTaken = 0;
boss.gC("boss").stage += 1;
var nextButton = Object.keys(keyboardArray)[Math.floor(Math.random() * Object.keys(keyboardArray).length)];
while(!(shootButtons.indexOf(nextButton) == -1 || jumpButtons.indexOf(nextButton) == -1)) {
nextButton = Object.keys(keyboardArray)[Math.floor(Math.random() * Object.keys(keyboardArray).length)];
}
if(shootButtons.length > jumpButtons.length) {
jumpButtons.push(nextButton);
} else if (shootButtons.length < jumpButtons.length) {
shootButtons.push(nextButton);
} else {
var whichArray = Math.floor(Math.random() * 2);
if(whichArray == 0) {
shootButtons.push(nextButton);
} else {
jumpButtons.push(nextButton);
}
}
sndPowerup.play();
for(var i = world.entities.length - 1; i >= 0; i--) {
if(world.entities[i] != boss && world.entities[i] != player && world.entities[i] != floor) {
world.entities.splice(i, 1);
}
}
lTest = (new Date()).getTime()
for(var i = 0; i < canvas.width / 20 + 5; i++) {
var afloor = new world.Entity();
afloor.addComponent(new world.components.Position(0 + i * 20, canvas.height * 2 / 3));
afloor.addComponent(new world.components.SlidesLeft());
afloor.addComponent(new world.components.Sprite(floorimg));
world.entities.push(afloor);
}
//console.log("Owe!");
}
}
function shootUp(_where) {
var bullet = new world.Entity();
sndShoot2.play();
bullet.addComponent(new world.components.Position(_where.x, _where.y - 20));
bullet.addComponent(new world.components.Sprite(bulletUp));
bullet.addComponent(new world.components.Collider("static"));
bullet.addComponent(new world.components.SlidesUp());
world.entities.push(bullet);
}
/*
Note to whoever looks at this code:
THIS IS BAD COLLISION DETECTION
It works, but in this very specific instance.
My terminology "dynamic" and "static" turned into "goodguys"/"enemies".
I think.
...
*/
function collision() {
var sCol = [];
var dCol = [];
for(var i = 0; i < world.entities.length; i++) {
var e = world.entities[i];
var col = e.gC("collider");
if(col) {
if(col.type == "static") {
sCol.push(e);
} else if (col.type == "dynamic") {
dCol.push(e);
}
}
}
for(var i = 0; i < dCol.length; i++) {
var e = dCol[i];
var col = e.gC("collider");
var pos = e.gC("position");
var kb = e.gC("keyboardcontrolled");
var slide2 = e.gC("slidesright");
for(var j = 0; j < sCol.length; j++) {
var e2 = sCol[j];
var col2 = e2.gC("collider");
var pos2 = e2.gC("position");
var slide = e2.gC("slidesleft");
var slide3 = e2.gC("slidesup");
var team = e2.gC("allied");
var ar = e2.gC("armored");
var bo = e2.gC("boss");
if(rrCollision(pos, col, pos2, col2)) {
if(kb && slide || kb && slide3) {
keyArray = [];
gameState = 2;
sndPlayeDeath.play();
} else if(slide2) {
world.entities.splice(world.entities.indexOf(e), 1);
if(team) {
if(ar && ar.isArmored) {
ar.isArmored = false;
e2.gC("sprite").sprite = enemy1;
} else {
world.entities.splice(world.entities.indexOf(e2), 1);
sndExplosion.play();
}
} else if (bo) {
score += jumpButtons.length * shootButtons.length;
sndBossHurt.play();
bo.damageTaken += 100;
e2.isHurt = true;
e2.isHurtTime = (new Date()).getTime();
}
break;
}else {
var phy = e.gC("physics");
phy.state = "still";
pos.y = pos2.y - col.height;
}
}
}
}
}
function rrCollision(_pos1, _dim1, _pos2, _dim2) {
if(_pos1.x < _pos2.x + _dim2.width && _pos1.x + _dim1.width > _pos2.x && _pos1.y < _pos2.y + _dim2.height && _pos1.y + _dim1.height > _pos2.y) {
return true;
}
return false;
}
function logic() {
curTime = (new Date()).getTime();
dTime = curTime - prevTime;
dTime;
//score += dTime / 100;
eTime += dTime;
//console.log("???");
for(var i = 0; i < world.entities.length; i++) {
var e = world.entities[i];
var pos = e.gC("position");
var phy = e.gC("physics");
var slide = e.gC("slidesleft");
var slide2 = e.gC("slidesright");
var slide3 = e.gC("slidesup");
if(phy) {
if(phy.state == "falling") {
phy.yAcc = phy.gravity;
phy.yVel += phy.yAcc;
pos.y += phy.yVel * dTime / 1000;
} else if (phy.state == "jumping") {
phy.yAcc = phy.gravity;
phy.yVel += phy.yAcc;
pos.y += phy.yVel * dTime / 1000;
}
} else if (slide) {
pos.x += -128 * dTime / 1000 * (window.innerWidth / 800);
if(pos.x < -100) {
world.entities.splice(i, 1);
i--;
}
} else if (slide2) {
pos.x += 512 * dTime / 1000 * (window.innerWidth / 800);
if(pos.x > canvas.width + 100) {
world.entities.splice(i, 1);
i--;
}
} else if (slide3) {
pos.y += -512 * dTime / 1000;
}
}
if(boss.isHurtTime + 250 < (new Date()).getTime()) {
boss.isHurt = false;
}
prevTime = curTime;
}
function render() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.save();
ctx.fillStyle = "rgba(92, 174, 146, 1)"
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.restore();
/*
var keyString = "";
for(var i = 0; i < keyArray.length; i++) {
if(keyArray[i]) {
keyString += i + " ";
}
}
ctx.fillText(keyString, 20, 20);
*/
for(var i = 0; i < world.entities.length; i++) {
var e = world.entities[i];
var pos = e.gC("position");
var ar = e.gC("armored");
var sprite = e.gC("sprite");
var boss2 = e.gC("boss");
if(pos) {
ctx.save();
if(ar && ar.isArmored) {
ctx.fillStyle = "blue";
}
if(!sprite) {
if(boss2) {
} else {
ctx.fillRect(pos.x, pos.y, 20, 20);
}
} else {
if(sprite.sprite.width <= 20) {
ctx.drawImage(sprite.sprite, 0, 0, 20, 20, pos.x, pos.y, 20, 20);
} else {
if(eTime % 1000 < 500) {
ctx.drawImage(sprite.sprite, 0, 0, 20, 20, pos.x, pos.y, 20, 20);
} else {
ctx.drawImage(sprite.sprite, 20, 0, 20, 20, pos.x, pos.y, 20, 20);
}
}
}
ctx.restore();
}
/*
var col = e.gC("collider");
if(col) {
ctx.save();
ctx.strokeStyle = "red";
ctx.strokeRect(pos.x, pos.y, col.width, col.height);
ctx.restore();
}
*/
}
if(sDown && (new Date).getTime() - sSTime > 500) {
ctx.fillRect(player.gC("position").x + 20, player.gC("position").y + 5, 5, 5)
}
var scale = boss.gC("boss").stage;
if(boss.isHurt) {
ctx.drawImage(bosshurtimg, boss.gC("position").x - 25 * scale, boss.gC("position").y + canvas.height/ 5 - 25 * scale, 200 + 50 * scale, 200+ 50 * scale);
} else {
ctx.drawImage(bossimg, boss.gC("position").x - 25 * scale, boss.gC("position").y + canvas.height/ 5 - 25 * scale, 200 + 50 * scale, 200 + 50 * scale);
}
ctx.save();
ctx.textBaseline = "middle";
ctx.textAlign = "center";
ctx.font = "36px monospace";
ctx.fillText("Shoot", canvas.width / 3, canvas.height * 3 / 4);
ctx.fillText("Jump", canvas.width*2 / 3, canvas.height * 3 / 4);
ctx.fillText("Score", canvas.width/2, canvas.height * 3 / 4);
ctx.fillText(score.toFixed(0), canvas.width/2, canvas.height * 3 / 4 + 50);
for(var i = 0; i < shootButtons.length; i++) {
var off = ((shootButtons.length) % 2)
var mid = (shootButtons.length - off) / 2
if(off == 0) {
off = 1
}
else if(off == 1) {
off = 0;
}
//console.log(off);
ctx.fillText(keyboardArray[shootButtons[i]], canvas.width / 3 - 36 * i + mid * 36 - off * 16, canvas.height * 7 / 8);
}
for(var i = 0; i < jumpButtons.length; i++) {
var off = ((jumpButtons.length) % 2)
var mid = (jumpButtons.length - off) / 2
if(off == 0) {
off = 1
}
ctx.fillText(keyboardArray[jumpButtons[i]], canvas.width* 2 / 3 - 36 * i + mid * 36 - off * 16, canvas.height * 7 / 8);
}
ctx.restore();
}
var keyboardArray = {
65:"A", 66:"B", 67:"C", 68:"D", 69:"E", 70:"F", 71:"G", 72:"H",
73:"I", 74:"J", 75:"K", 76:"L", 77:"M", 78:"N", 79:"O", 80:"P",
81:"Q", 82:"R", 83:"S", 84:"T", 85:"U", 86:"V", 87:"W", 88:"X",
89:"Y", 90:"Z"
}
</script>
</head>
<body onload="init()">
<canvas id="aCanvas"></canvas>
</body>
</html>
<style>
* {
padding: 0;
margin: 0;
}
</style>