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396 lines
11 KiB
396 lines
11 KiB
<script>
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window.addEventListener("keydown", function(e)
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{
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// space and arrow keys
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if([32, 37, 38, 39, 40].indexOf(e.keyCode) > -1)
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{
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e.preventDefault();
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}
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}, false);
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window.onload = function()
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{
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var canvas = document.getElementById("canvasZP");
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var c = canvas.getContext('2d');
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c.fillStyle= "black";
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c.fillRect(0,0,canvas.width,canvas.height);
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};
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function playZP()
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{
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var animate = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function (callback)
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{
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window.setTimeout(callback, 1000 / 60)
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};
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var canvas = document.getElementById("canvasZP");
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var width = 700;
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var height = 700;
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canvas.style.textAlign = 'center';
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var context = canvas.getContext('2d');
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var keysDown = {};
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var score = 0;
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var dead = false;
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//player
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var Player = function(x,y)
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{
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this.x = x;
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this.y = y;
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this.width = 25;
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this.height = 25;
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this.speed = 3;
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this.facing = 40;
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this.updateDirection = function(key)
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{
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facing = key;
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}
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this.render = function()
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{
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context.fillStyle = "rgba(0, 45, 160, 1)"; //green
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context.fillRect(this.x, this.y, this.width,this.height);
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}
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this.move = function()
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{
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for (var key in keysDown)
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{
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var value = Number(key);
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if (value == 37) //left
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{
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this.x = this.x - this.speed;
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}
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else if (value == 39) //right
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{
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this.x = this.x + this.speed
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}
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else if(value == 38) //up
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{
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this.y = this.y - this.speed
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}
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else if(value == 40) //down
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{
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this.y = this.y + this.speed
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}
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else if(value == 32)
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{
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var added = false;
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for(i = 0; i< bullets.length; i++)
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{
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if(bullets[i] == -1)
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{
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bullets[i] = new Bullet();
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added = true;
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break;
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}
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}
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if(added == false)
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{
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bullets.push(new Bullet());
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}
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}
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}
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}
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}
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var p = new Player(350, 350);
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//bullet
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var Bullet = function()
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{
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this.x = p.x;
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this.y = p.y;
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this.width = 10;
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this.height = 10;
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this.speed = 4;
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this.facing = p.facing;
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this.move = function()
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{
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if (this.facing == 37) //left
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{
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this.x = this.x - this.speed;
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}
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else if (this.facing == 39) //right
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{
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this.x = this.x + this.speed
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}
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else if(this.facing == 38) //up
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{
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this.y = this.y - this.speed
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}
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else if(this.facing == 40) //down
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{
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this.y = this.y + this.speed
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}
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}
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this.render = function()
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{
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context.fillStyle = "rgba(255, 0, 199, 1)"; //green
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context.fillRect(this.x, this.y, this.width,this.height);
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}
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}
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var bullets = [];
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function getRandomIntInclusive(min, max) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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//zombie
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var Zombie = function(x,y)
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{
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this.x = x;
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this.y = y;
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this.width = 25;
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this.height = 25;
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this.speed = 3;
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var side = getRandomIntInclusive(0,3);
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var mid = getRandomIntInclusive(0,700);
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if(side === 1)
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{
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this.x = mid;
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this.y = 0;
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}
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else if(side === 2)
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{
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this.x = 700;
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this.y = mid;
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}
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else if(side === 3)
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{
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this.y = 700;
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this.x = mid;
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}
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else
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{
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this.x = 0;
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this.y = mid;
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}
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this.render = function()
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{
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context.fillStyle = "rgba(0, 160, 0, 1)"; //green
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context.fillRect(this.x, this.y, this.width,this.height);
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}
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this.move = function()
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{
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if(this.x > p.x + this.speed)
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this.x -= this.speed;
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else if(this.x + this.speed < p.x )
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this.x += this.speed;
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if(this.y > p.y + this.speed)
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this.y -= this.speed;
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else if(this.y + this.speed < p.y )
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this.y += this.speed;
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}
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}
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var zombies = [];
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zombies.push(new Zombie());
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var render = function()
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{
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context.fillStyle = "#000000";
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context.fillRect(0, 0, width, height);
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context.fillStyle = "rgba(255, 255, 255, 1)";
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context.font= "20px Georgia";
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context.fillText("Score: " + score,10,25);
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for(i = 0; i< zombies.length; i++)
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{
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if(zombies[i] != -1)
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{
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zombies[i].render();
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}
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}
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for(i = 0; i< bullets.length; i++)
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{
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if(bullets[i] != -1)
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{
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bullets[i].render();
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}
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}
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p.render();
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}
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var update = function()
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{
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addZombie();
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p.move();
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for(i = 0; i< zombies.length; i++)
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{
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for(z = 0;z < bullets.length; z++)
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{
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if(zombies[i] != -1 && bullets[z] != -1)
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{
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if(Math.abs(zombies[i].x - bullets[z].x) < 25 && Math.abs(zombies[i].y - bullets[z].y) < 25)
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{
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score++;
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zombies[i] = -1;
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bullets[z] = -1;
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}
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}
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}
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if(zombies[i] != -1)
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{
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zombies[i].move();
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}
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}
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for(i = 0; i< bullets.length; i++)
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{
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//checks to see if goes out of bounds
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if(bullets[i].x < 0 || bullets[i].y < 0 || bullets[i].x > 700 || bullets[i].y > 700)
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{
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bullets[i] = -1;
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}
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if(bullets[i] != -1)
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{
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bullets[i].move();
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}
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}
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for(i=0; i<zombies.length; i++)
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{
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if(zombies[i] != -1 && Math.abs(p.x - zombies[i].x) < 25 && Math.abs(p.y - zombies[i].y) < 25)
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{
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dead = true;
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}
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}
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}
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var counter2 = 0;
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var counter = 0;
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var rate = 180;
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var addZombie = function()
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{
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counter2++;
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counter++;
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var added = false;
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if(counter >= rate)
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{
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for(i = 0; i< zombies.length; i++)
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{
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if(zombies[i] == -1)
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{
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zombies[i] = new Zombie();
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added = true;
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break;
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}
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}
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if(added == false)
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{
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zombies.push(new Zombie());
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}
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counter = 0;
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}
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if(counter2 >= 60)
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{
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if(rate > 30)
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{
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rate = rate -5;
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}
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counter2 = 0;
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}
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}
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var sent = false;
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var tic = function()
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{
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if(dead)
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{
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context.fillStyle = "#000000";
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context.fillRect(0, 0, width, height);
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context.fillStyle = "rgba(255, 255, 255, 1)"; //green
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context.font= "20px Georgia";
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context.fillText("You died with a score of " + score,200,340);
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if(!sent)
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{
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document.body.innerHTML += '<form id="dynForm" action="insertScore.php" method="post"><input type="hidden" name="game_new_score" value=true><input type="hidden" name="game" value=2><input type="hidden" name="user_id_score" value=<?php echo $_SESSION['user_id']; ?>><input type="hidden" name="score_validate" value=' + score + '></form>';
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document.getElementById("dynForm").submit();
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sent = !sent;
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}
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}
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else
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{
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update();
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render()
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}
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animate(tic);
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}
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window.addEventListener("keydown", function (event)
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{
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if(event.keyCode >=37 && event.keyCode <=40)
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{
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p.facing = event.keyCode;
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}
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keysDown[event.keyCode] = true;
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});
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window.addEventListener("keyup", function (event)
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{
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delete keysDown[event.keyCode];
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});
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animate(tic);
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}
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</script>
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<div><canvas id="canvasZP" width="700" height="700"></canvas></div>
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<div><input type="submit" name="play" value="Play Game" onclick="this.blur();playZP()"/></div>
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