Skip to content
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 12 additions & 0 deletions javascript/Motorcycle game/index.html
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
<!DOCTYPE html>
<html>
<head>
<style>*{margin:0;}</style>
</head>
<body>
<h5>
Score
</h5>
<script src="index.js"></script>
</body>
</html>
115 changes: 115 additions & 0 deletions javascript/Motorcycle game/index.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
var c = document.createElement("canvas");
var ctx = c.getContext("2d");
c.width =500;
c.height =350;
document.body.appendChild(c);

var perm = [];
while(perm.length < 255){
while(perm.includes(val = Math.floor(Math.random()*255)));
perm.push(val);

}
var lerp =(a,b,t)=> a + (b-a) * (1-Math.cos(t*Math.PI))/2;


var noise = x=>{
x = x *0.01 % 255;
return lerp(perm[Math.floor(x)], perm[Math.ceil(x)], x - Math.floor(x));

}

var player = new function(){
this.x = c.width/2;
this.y =0;
this.ySpeed=0;
this.rot = 0;
this.rSpeed =0;

this.img = new Image();
this.img.src = "moto.png";
this.draw = function(){

var p1 = c.height - noise( t + this.x) * 0.25;
var p2 = c.height - noise( t +5 + this.x) * 0.25;

var grounded = 0;

if(p1-15 > this.y ){
this.ySpeed += 0.1;

}
else{

this.ySpeed -= this.y - (p1-15);
this.y = p1-15;
grounded = 1;

}

if(!playing || grounded && Math.abs(this.rot) > Math.PI * 0.5 )
{
playing = false;
this.rSpeed = 5;
k.ArrowUp =1;
this.x -= speed * 2.5;

}

this.y += this.ySpeed;
var angle = Math.atan2((p2 -15) -this.y,( this.x + 5) - this.x);
if(grounded && playing){
this.rot -= (this.rot - angle) *0.5;
this.rSpeed = this.rSpeed - (angle - this.rot);
}
// this.rSpeed += (k.ArrowLeft - k.ArrowRight) * 0.05;
this.rot -= this.rSpeed * 0.1;
if(this.rot >Math.PI)
{
this.rot= -Math.PI;
}
if(this.rot < -Math.PI)
{
this.rot= Math.PI;
}
this.rot = angle;
ctx.save();
ctx.translate(this.x,this.y);
ctx.rotate(this.rot);
ctx.drawImage(this.img,-15,-15, 30,30);
ctx.restore();
}
}

var t=0;
var speed = 0;
var playing = true;
var k ={ArrowUp:0 , ArrowDown:0 , ArrowLeft:0, ArrowRight : 0};
function loop(){
speed -= (speed - (k.ArrowUp - k.ArrowDown)) * 0.01;
t+= 10 * speed ;
ctx.fillStyle = "cyan";
ctx.fillRect(0,0,c.width,c.height);

ctx.fillStyle = "black";
ctx.beginPath();

ctx.moveTo(0,c.height);
for(let i =0;i<c.width;i++)
{
ctx.lineTo(i,c.height -noise(t+i) * 0.25);
}

ctx.lineTo(c.width,c.height);
ctx.fill();

player.draw();
requestAnimationFrame(loop);
}
//this.rSpeed += (k.ArrowLeft - k.ArrowRight) * 0.05;


onkeydown = d =>k[d.key]= 1;
onkeyup = d =>k[d.key] = 0;

loop();
Binary file added javascript/Motorcycle game/moto.png
Loading
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.