Simple website with some JavaScript games.
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<script>
window.addEventListener("keydown", function(e)
{
// space and arrow keys
if([32, 37, 38, 39, 40].indexOf(e.keyCode) > -1)
{
e.preventDefault();
}
}, false);
window.onload = function()
{
var canvasBFc = document.getElementById("canvasBF");
var c = canvasBFc.getContext('2d');
c.fillStyle= "black";
c.fillRect(0,0, canvasBFc.width, canvasBFc.height);
};
function playBF()
{
var animate = window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame || function (callback)
{
window.setTimeout(callback, 1000 / 60)
};
var canvasBFc = document.getElementById("canvasBF");
var width = 700;
var height = 700;
canvasBFc.style.textAligh = 'center';
var context = canvasBFc.getContext('2d');
var keysDown = {};
//player variables;
var score = 0;
var alive = true;
function getRandomIntInclusive(min, max)
{
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
var Player = function(x,y)
{
this.x = 350
this.y = 650;
this.width = 10;
this.height = 10;
this.speed = 4;
this.facing = 40;
this.updateDirection = function(key)
{
facing = key;
}
this.render = function()
{
context.fillStyle = "rgba(255, 255, 255, 1)"; //white
context.fillRect(this.x, this.y, this.width, this.height);
}
this.move = function()
{
for (var key in keysDown)
{
var value = Number(key);
if(value == 37) //left
this.x = this.x - this.speed;
else if(value == 39)
this.x = this.x + this.speed;
}
//collisions
for(i = 0; i < bamboos.length; i++)
{
if(bamboos[i] != -1)
{
bb = bamboos[i];
//if(Math.abs(bb.x - p.x) <= bb.width)
if(p.x > bb.x && p.x < bb.x + bb.width ||
p.x + p.width < bb.x + bb.width && p.x +
p.width > bb.x)
{
if(p.y > bb.y && p.y < bb.y + bb.height ||
p.y + p.height < bb.y + bb.height &&
p.y + p.height > bb.y)
{
alive = false;
bb = -1;
}
}
}
}
if(this.x < 0)
this.x += this.speed;
else if(this.x > width)
this.x -= this.speed;
}
}
//player object
var p = new Player(350, 850);
//object that falls from the sky
var Bamboo = function()
{
this.width = 25;
this.height = 75;
this.x = getRandomIntInclusive(0, width);
this.y = -this.height;
this.speed = 4;
this.render = function()
{
context.fillStyle = "rgba(0, 255, 0 , 1)"; //green
context.fillRect(this.x, this.y, this.width, this.height);
}
this.move = function()
{
this.y += this.speed;
if(this.y> height)
{
//remove bamboo from array
score++;
return true;
}
}
}
var bamboos = [];
//draws all the objects
var render = function()
{
context.fillStyle = "rgba(0, 0,0 ,1)";
context.fillRect(0,0, width, height);
context.fillStyle = "rgba(255, 255,255 ,1)";
context.font = "20px Georgia";
context.fillText("Score: " + score, 10, 25);
p.render();
for(i= 0; i < bamboos.length; i++)
if(bamboos[i] != -1)
bamboos[i].render();
}
var update = function()
{
addBamboo();
p.move();
for (i = 0; i< bamboos.length; i++)
if(bamboos[i] != -1)
if(bamboos[i].move())
bamboos[i] = -1;
addBamboo();
}
var count = 0;
var limit = 25;
var addBamboo = function()
{
count++;
if(count == limit)
{
count = 0;
var bnew = true;
for(i = 0; i < bamboos.length; i++)
{
if(bamboos[i] == -1)
{
bamboos[i] = new Bamboo();
bnew = false;
}
}
if(bnew)
bamboos.push(new Bamboo());
if(limit > 10)
limit --;
}
}
var sent;
var tic = function()
{
if(alive)
{
update();
render();
}
else
{
if(!sent)
{
context.fillStyle = "rgba(0, 0,0 ,1)";
context.fillRect(0,0, width, height);
context.fillStyle = "rgba(255, 255,255 ,1)";
context.font = "20px Georgia";
context.fillText("You died with a score of: " +
score, 250, 325);
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=1><input ' +
'type="hidden" name="user_id_score" ' +
'value=<?php echo $_SESSION['user_id']; ?>><input ' +
'type="hidden" name="score_validate" value=' + score + '></form>';
document.getElementById("dynForm").submit();
sent = true;
}
}
animate(tic);
}
window.addEventListener("keydown", function (event)
{
if(event.keyCode >=37 && event.keyCode <=40)
p.facing = event.keyCode;
keysDown[event.keyCode] = true;
});
window.addEventListener("keyup", function (event)
{
delete keysDown[event.keyCode];
});
//tic();
animate(tic);
}
</script>
<div><canvas id="canvasBF" width="700" height="700"></canvas></div>
<div><input type="submit" name="play" value="Play Game" onclick="this.blur();
playBF()"/></div>