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demo-platform.html
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demo-platform.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>GameLib</title>
<link href='css/gamelib.css' rel='stylesheet'>
<style>
html,
body {
height: 100%;
}
body {
margin: 0;
display: flex;
flex-direction: column;
/* This centers our sketch horizontally. */
justify-content: center;
/* This centers our sketch vertically. */
align-items: center;
}
p {
font-family: Arial, Helvetica, sans-serif;
}
</style>
</head>
<body>
<game></game>
<p>Use your arrow keys!</p>
<script src="js/gamelib.js"></script>
<script>
var msg;
var coins = 0;
function message(text) {
msg.img.text = text;
//console.log(text);
}
class Player extends Figure {
constructor(x, y, width, height, img) {
super(x, y, width, height, img, "Player");
this.jump = 0;
this.onGround = false;
}
update(obj) {
if (this.jump == 0) {
super.move(0, 3);
} else {
super.move(0, -3);
this.jump = this.jump - 3;
this.onGround = false;
}
}
collidate(obj) {
this.onGround = true;
if (obj.type == "Coin") {
message("Coins: " + coins);
return false;
} else {
return true;
}
}
keyHold(key) {
switch (key) {
case "ArrowLeft":
// Do something for "left arrow" key press.
this.img.costume = "left";
this.move(-3, 0);
break;
case "ArrowRight":
// Do something for "right arrow" key press.
this.img.costume = "right";
this.move(3, 0);
break;
default:
return; // Quit when this doesn't handle the key event.
}
}
keyPressed(key) {
switch (key) {
case "ArrowUp":
// Do something for "up arrow" key press.
if (this.onGround) this.jump = 120;
break;
default:
this.img.costumes["idle"] = [this.img.costumes[this.img.costume][0]];
this.img.costume = "idle";
}
}
}
class Coin extends Figure {
constructor(x, y, width, height, img) {
super(x, y, width, height, img, "Coin");
this.value = 1;
this.onGround = false;
}
update(obj) {
super.move(0, 3);
}
collidate(obj) {
if (obj.type == "Player") {
coins = coins + this.value;
this.value = 0;
this.img = new StaticNothing(this.width, this.height);
}
return false;
}
}
(async function () {
var world = new World("game", 800, 600);
world.background = new StaticImg("img/backgrounds/sky.png", 800, 600);
var player = new Player(50, 400, 64, 64, new Sprite("img/character-plattformer/dude.png", 32, 48));
player.img.costumes["left"] = [0, 1, 2, 3];
player.img.costumes["right"] = [5, 6, 7, 8];
player.img.costumes["idle"] = [4];
player.img.costume = "idle";
world.addEntity(player);
var coin = new Coin(300, 300, 16, 16, new Sprite("img/objects/coins.png", 16, 16));
coin.img.costumes["default"] = [0, 1, 2, 3, 4, 5, 6, 7];
coin.img.costume = "default";
world.addEntity(coin);
var ground = new Figure(0, 550, 800, 50, new StaticBackground("#215F3E", 800, 50));
world.addEntity(ground);
msg = new Figure(20, 20, 64, 64, new StaticText("Coins: " + coins));
world.addEntity(msg);
await world.play();
})()
</script>
</body>
</html>