<!DOCTYPE html>
<html lang="en">
<head>
<title>App</title>
<script src="//cdn.jsdelivr.net/npm/phaser@3.16.2/dist/phaser.js"></script>
</head>
<body>
<script>
new Phaser.Game({
type: Phaser.AUTO,
width: 800,
height: 600,
physics: {
default: 'arcade',
arcade: {
gravity: {
y: 300
},
debug: false
}
},
scene: {
preload: function () {
this.load.image('sky', 'assets/sky.png');
this.load.image('ground', 'assets/platform.png');
this.load.image('star', 'assets/star.png');
this.load.image('bomb', 'assets/bomb.png');
this.load.spritesheet('dude', 'assets/dude.png', {
frameWidth: 32,
frameHeight: 48
})
},
create: function () {
this.gameOver = false;
this.add.image(400, 300, 'sky');
const platforms = this.physics.add.staticGroup();
platforms.create(400, 568, 'ground').setScale(2).refreshBody();
platforms.create(600, 400, 'ground');
platforms.create(50, 250, 'ground');
platforms.create(750, 220, 'ground');
const player = this.physics.add.sprite(100, 450, 'dude');
this.player = player;
player.setBounce(0.2);
player.setCollideWorldBounds(true);
this.anims.create({
key: 'left',
frames: this.anims.generateFrameNumbers('dude', {
start: 0,
end: 3
}),
frameRate: 10,
repeat: -1
});
this.anims.create({
key: 'right',
frames: this.anims.generateFrameNumbers('dude', {
start: 5,
end: 8
}),
frameRate: 10,
repeat: -1
});
this.anims.create({
key: 'turn',
frames: [
{
key: 'dude',
frame: 4
}
]
});
this.cursors = this.input.keyboard.createCursorKeys();
const stars = this.physics.add.group({
key: 'star',
repeat: 11,
setXY: {
x: 12,
y: 0,
stepX: 70
}
});
stars.children.iterate(function (child) {
child.setBounceY(Phaser.Math.FloatBetween(0.4, 0.8));
});
const bombs = this.physics.add.group();
let score = 0;
const scoreText = this.add.text(16, 16, 'score: 0', {
fontSize: '32px',
fill: '#000'
});
this.physics.add.collider(player, platforms);
this.physics.add.collider(stars, platforms);
this.physics.add.collider(bombs, platforms);
this.physics.add.overlap(player, stars, function (player, star) {
star.disableBody(true, true);
score += 10;
scoreText.setText("Score: " + score);
if (stars.countActive(true) !== 0) return;
stars.children.iterate(function (child) {
child.enableBody(true, child.x, 0, true, true);
});
const x = (player.x < 400) ? Phaser.Math.Between(400, 800) :
Phaser.Math.Between(0, 400);
const bomb = bombs.create(x, 16, 'bomb');
bomb.setBounce(1);
bomb.setCollideWorldBounds(true);
bomb.setVelocity(Phaser.Math.Between(-200, 200), 20);
bomb.allowGravity = false;
}, null, this);
this.physics.add.collider(player, bombs, player => {
this.physics.pause();
player.setTint(0xff0000);
player.anims.play('turn');
this.gameOver = true;
}, null, this);
},
update: function () {
if (this.gameOver) return;
const cursors = this.cursors;
const player = this.player;
if (cursors.left.isDown) {
player.setVelocityX(-160);
player.anims.play('left', true);
} else if (cursors.right.isDown) {
player.setVelocityX(160);
player.anims.play('right', true);
} else {
player.setVelocityX(0);
player.anims.play('turn');
}
if (cursors.up.isDown && player.body.touching.down) {
player.setVelocity(-330);
}
}
}
});
</script>
</body>
</html>
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Algorithms + Data Structures = Programs
Niklaus Wirth / Prentice Hall / 1975-11-11 / GBP 84.95
It might seem completely dated with all its examples written in the now outmoded Pascal programming language (well, unless you are one of those Delphi zealot trying to resist to the Java/.NET dominanc......一起来看看 《Algorithms + Data Structures = Programs》 这本书的介绍吧!
