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HTML

              
                
              
            
!

CSS

              
                @import url("https://fonts.googleapis.com/css2?family=VT323&display=swap");

* {
	font-family: "VT323", monospace;
}

body {
	background-color: #000000;
}

              
            
!

JS

              
                'use strict';

console.clear();

class Settings {
	static MAP = [
		[1, 0, 0, 0, 0, 0, 0, 0, 0, 1],
		[1, 0, 2, 2, 2, 2, 2, 2, 0, 1],
		[1, 0, 2, 0, 0, 0, 0, 2, 2, 1],
		[1, 0, 2, 0, 2, 2, 0, 2, 0, 1],
		[1, 0, 0, 0, 0, 0, 0, 0, 0, 1],
		[1, 1, 1, 1, 1, 1, 1, 1, 0, 1],
		[1, 0, 0, 1, 0, 0, 0, 1, 0, 1],
		[1, 0, 0, 0, 0, 0, 0, 0, 0, 1],
		[1, 0, 1, 1, 1, 0, 1, 1, 0, 1],
		[1, 0, 0, 1, 1, 0, 1, 1, 1, 1],
		[1, 1, 0, 0, 1, 0, 0, 0, 0, 1],
		[1, 0, 0, 1, 1, 1, 1, 1, 0, 1],
		[1, 0, 1, 0, 0, 0, 0, 1, 0, 1],
		[1, 0, 0, 0, 3, 3, 0, 0, 0, 1],
		[3, 3, 3, 3, 4, 4, 3, 3, 3, 3],
	];
	
	static TRAPS_MAP = [
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 1, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 1, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 1, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
	];
	
	static BLOCK_SIZE = 32;
	
	static CHARACTER_X = this.BLOCK_SIZE * 8;
	static CHARACTER_Y = this.BLOCK_SIZE * 1;
	
	static FINISH_X = this.BLOCK_SIZE * 8;
	static FINISH_Y = this.BLOCK_SIZE * 13;
	
	static FONT_SETTINGS = {
		fontFamily: 'VT323',
		fontSize: 24,
		stroke: '#000000',
		strokeThickness: 4,
	};
	
	static IS_DEBUG = false;
}

class PreloadScene extends Phaser.Scene {
	constructor() {
		super('Preload');
	}
	
	preload() {
		const path = 'https://assets.codepen.io/430361';
		
		this.load.image('character', `${path}/bit-maze-character.png`);
		this.load.image('block', `${path}/bit-maze-block.png`);
		this.load.image('grass', `${path}/bit-maze-grass.png`);
		this.load.image('land', `${path}/bit-maze-land.png`);
		this.load.image('cloud', `${path}/bit-maze-cloud.png`);
		this.load.image('background', `${path}/bit-maze-background.png`);
		this.load.image('tilemap', `${path}/bit-maze-tilemap.png`);
		
		this.load.spritesheet('character-run', `${path}/bit-maze-character-run.png`, {
			frameWidth: 24,
			frameHeight: 24,
		});
		this.load.spritesheet('character-jump', `${path}/bit-maze-character-jump.png`, {
			frameWidth: 24,
			frameHeight: 24,
		});
		this.load.spritesheet('character-idle', `${path}/bit-maze-character-idle.png`, {
			frameWidth: 24,
			frameHeight: 24,
		});
		this.load.spritesheet('character-trap', `${path}/bit-maze-character-trap.png`, {
			frameWidth: 24,
			frameHeight: 24,
		});
		this.load.spritesheet('buttons', `${path}/bit-maze-buttons.png`, {
			frameWidth: 48,
			frameHeight: 48,
		});
		this.load.spritesheet('trap', `${path}/bit-maze-trap.png`, {
			frameWidth: Settings.BLOCK_SIZE,
			frameHeight: Settings.BLOCK_SIZE,
		});
		this.load.spritesheet('finish', `${path}/bit-maze-finish.png`, {
			frameWidth: Settings.BLOCK_SIZE,
			frameHeight: Settings.BLOCK_SIZE,
		});
		
		this.load.on("complete", (evt) => {
			this.cameras.main.fadeOut(128);
			
			this.cameras.main.once("camerafadeoutcomplete", () => {
				this.scene.start('Main');
			}, this);
		});
	}
}

class MainScene extends Phaser.Scene {
	mapLayer = null;
	finish = null;
	traps = null;
	leftKey = false;
	rightKey = false;
	jumpKey = false;

	constructor() {
		super('Main');
	}
	
	createMap() {
		let width = this.game.config.width;
		let height = this.game.config.height;
		
		this.add.image(width / 2, height / 2, 'background').setScrollFactor(0);
		
		const map = this.make.tilemap({
			data: Settings.MAP,
			tileWidth: Settings.BLOCK_SIZE,
			tileHeight: Settings.BLOCK_SIZE,
		});
		
		const tileset = map.addTilesetImage('tilemap');
		
		this.mapLayer = map.createLayer(0, tileset, 0, 0);
		this.mapLayer.setCollision([1, 2, 3, 4]);
	}
	
	placeCharacter() {
		const x = Settings.CHARACTER_X;
		const y = Settings.CHARACTER_Y;
		
		this.physics.add.sprite(x, y, 'character')
			.setName('character')
			.setOrigin(0)
			.refreshBody()
			.setBounce(0.3)
			.setDepth(1);
		
		let character = this.children.getByName('character');
		
		character.setCollideWorldBounds(true);
		
		const b = Settings.BLOCK_SIZE;
		const width = Settings.MAP[0].length * b;
		const height = Settings.MAP.length * b;
		
		this.setCharacterCamera(width, height);
	}
	
	setGameOver(otherText) {
		this.physics.world.pause();
		
		let width = this.game.config.width;
		
		this.add.text(
			width / 2, 168, otherText, Settings.FONT_SETTINGS)
			.setOrigin(0.5)
			.setScrollFactor(0)
			.setDepth(2);
		this.add.text(
			width / 2, 192, 'PRESS ANYWHERE TO RETRY', Settings.FONT_SETTINGS)
			.setOrigin(0.5)
			.setScrollFactor(0)
			.setDepth(2);
		
		this.tweens.add({
			targets: [
				this.children.getByName('btn-left'),
				this.children.getByName('btn-right'),
				this.children.getByName('btn-up'),
			],
			alpha: 0,
			tease: 'Sine.easeOut',
			duration: 256,
		});
		
		this.input.once('pointerdown', () => {
			this.scene.restart();
		});
		
		this.input.keyboard.once('keydown', () => {
			this.scene.restart();
		});
	}
	
	setCharacterCamera(width, height) {
		let boundary = new Phaser.Geom.Rectangle(0, 0, width, height);
		let character = this.children.getByName('character');
		
		character.body.setBoundsRectangle(boundary);
		
		this.cameras.main.setBounds(0, 0, width, height);
		this.cameras.main.startFollow(character, true, 1, 1);
	}
	
	setCharacterAnimation() {
		this.anims.create({
			key: 'character-run',
			frames: this.anims.generateFrameNumbers('character-run', {
				start: 0,
				end: 7,
			}),
			frameRate: 10,
			repeat: -1,
		});
		this.anims.create({
			key: 'character-jump',
			frames: this.anims.generateFrameNumbers('character-jump', {
				start: 0,
				end: 1,
			}),
			frameRate: 17.5,
		});
		this.anims.create({
			key: 'character-idle',
			frames: this.anims.generateFrameNumbers('character-idle', {
				start: 0,
				end: 2,
			}),
			frameRate: 7,
			repeat: -1,
			yoyo: true,
		});
		this.anims.create({
			key: 'character-trap',
			frames: this.anims.generateFrameNumbers('character-trap', {
				start: 0,
				end: 7,
			}),
			frameRate: 10,
		});
	}
	
	createLeftController() {
		this.add.image(32, 208, 'buttons')
			.setName('btn-left')
			.setFrame(0)
			.setScrollFactor(0)
			.setInteractive()
			.on('pointerdown', () => {
			this.leftKey = true;
			this.hideInstructions();
		}).on('pointerup', () => {
			this.leftKey = false;
		});
		
		this.input.keyboard.addKey(
			Phaser.Input.Keyboard.KeyCodes.LEFT
		).on('down', () => {
			this.leftKey = true;
			this.hideInstructions();
		}).on('up', () => {
			this.leftKey = false;
		});
	}
	
	createRightController() {
		this.add.image(288, 208, 'buttons')
			.setName('btn-right')
			.setFrame(1)
			.setScrollFactor(0)
			.setInteractive()
			.on('pointerdown', () => {
			this.rightKey = true;
			this.hideInstructions();
		}).on('pointerup', () => {
			this.rightKey = false;
		});
		
		this.input.keyboard.addKey(
			Phaser.Input.Keyboard.KeyCodes.RIGHT
		).on('down', () => {
			this.rightKey = true;
			this.hideInstructions();
		}).on('up', () => {
			this.rightKey = false;
		});
	}
	
	createJumpController() {
		this.add.image(288, 154, 'buttons')
			.setName('btn-up')
			.setFrame(2)
			.setScrollFactor(0)
			.setInteractive()
			.on('pointerdown', () => {
			this.jumpKey = true;
			this.hideInstructions();
		}).on('pointerup', () => {
			this.jumpKey = false;
		});
		
		this.input.keyboard.addKey(
			Phaser.Input.Keyboard.KeyCodes.UP
		).on('down', () => {
			this.jumpKey = true;
			this.hideInstructions();
		}).on('up', () => {
			this.jumpKey = false;
		});
		
		this.input.keyboard.addKey(
			Phaser.Input.Keyboard.KeyCodes.SPACE
		).on('down', () => {
			this.jumpKey = true;
			this.hideInstructions();
		}).on('up', () => {
			this.jumpKey = false;
		});
	}
	
	createController() {
		this.input.addPointer(2);
		
		this.createLeftController();
		this.createRightController();
		this.createJumpController();
	}
	
	hideInstructions() {
		const txtInstructions = this.children.getByName('txt-instructions');
		
		if (txtInstructions === null || this.tweens.getTweensOf(txtInstructions).length > 0) {
			return;
		}
		
		this.tweens.add({
			targets: txtInstructions,
			alpha: 0,
			tease: 'Sine.easeOut',
			duration: 512,
			onComplete: (evt) => {
				evt.targets[0].destroy();
			},
		});
	}
	
	placeFinish() {
		const x = Settings.FINISH_X;
		const y = Settings.FINISH_Y;
		
		this.finish = this.physics.add.staticSprite(x, y, 'finish')
			.setName('finish')
			.setOrigin(0)
			.refreshBody()
			.setDepth(1);
		this.finish.anims.play('finish');
	}
	
	placeTraps() {
		const map = Settings.TRAPS_MAP;
		const b = Settings.BLOCK_SIZE;
		
		this.traps = this.physics.add.staticGroup();
		
		for (let y = 0; y < map.length; y++) {
			for (let x = 0; x < map[y].length; x++) {
				if (map[y][x] === 0) {
					continue;
				}
				
				this.traps.create(x * b, y * b, 'trap')
					.setOrigin(0)
					.refreshBody();
			}
		}
	}
	
	setCollision() {
		let character = this.children.getByName('character');
		
		this.physics.add.collider(character, this.mapLayer);
		this.physics.add.collider(character, this.traps, (obj1, obj2) => {
			character.anims.play('character-trap');
			
			obj2.anims.play('trap');
			
			this.setGameOver('YOU GOT CAUGHT BY A TRAP!');
		});
		this.physics.add.collider(character, this.finish, () => {
			this.setGameOver('YOU COMPLETED THE GAME!');
		});
	}
	
	setObjectAnimation() {
		this.anims.create({
			key: 'trap',
			frames: this.anims.generateFrameNumbers('trap', {
				start: 1,
				end: 4,
			}),
			frameRate: 10,
			repeat: -1,
		});
		this.anims.create({
			key: 'finish',
			frames: this.anims.generateFrameNumbers('finish', {
				start: 0,
				end: 2,
			}),
			frameRate: 7.5,
			repeat: -1,
			yoyo: true,
		});
	}
	
	create() {
		this.placeCharacter();
		this.createMap();
		this.createController();
		this.setCharacterAnimation();
		this.setObjectAnimation();
		this.placeFinish();
		this.placeTraps();
		this.setCollision();
		
		let width = this.game.config.width;
		
		this.add.text(
			width / 2, 192, 'PRESS ARROW KEYS TO MOVE', Settings.FONT_SETTINGS)
			.setName('txt-instructions')
			.setOrigin(0.5)
			.setScrollFactor(0)
			.setDepth(2);
	}
	
	animateCharacter() {
		let character = this.children.getByName('character');
		
		if (this.leftKey === true) {
			character.setVelocityX(-60);
			character.setFlipX(false);
			character.anims.play('character-run', true);
		}
		else if (this.rightKey === true) {
			character.setVelocityX(60);
			character.setFlipX(true);
			character.anims.play('character-run', true);
		}
		else {
			character.setVelocityX(0);
		}
		
		if (character.body.blocked.down && character.body.velocity.x === 0) {
			character.anims.play('character-idle', true);
		}
		
		if (character.body.blocked.down && this.jumpKey === true) {
			character.setVelocityY(760);
		}
		
		if (
			!character.body.blocked.down
			&&
			(
				character.anims.currentAnim === null
				||
				character.anims.currentAnim.key !== 'character-jump'
			)
		) {
			character.anims.play('character-jump');
		}
	}
	
	update() {
		if (this.physics.world.isPaused === true) {
			return;
		}
		
		this.animateCharacter();
	}
}

new Phaser.Game({
	type: Phaser.AUTO,
	parent: 'bit-maze',
	pixelArt: true,
	parent: {
		activePointers: 3,
	},
	physics: {
		default: 'arcade',
		arcade: {
			gravity: {
				y: 400,
			},
			debug: false,
		},
	},
	scale: {
		mode: Phaser.Scale.FIT,
		autoCenter: Phaser.Scale.CENTER_BOTH,
		width: 320,
		height: 240,
		min: {
			width: 40,
			height: 30,
		},
		max: {
			width: 1280,
			height: 960,
		},
	},
	scene: [
		PreloadScene,
		MainScene,
	],
});

              
            
!
999px

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