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July 31, 2019 20:45
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SpaceWalk PhaserJS Tutorial
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<!DOCTYPE html> | |
<html> | |
<head> | |
<script src="//cdn.jsdelivr.net/npm/phaser@3.18.0/dist/phaser.js"></script> | |
<!-- import phaser (phaser.js) --> | |
<!-- <script src="https://cdnjs.cloudflare.com/ajax/libs/phaser-ce/2.13.2/phaser.min.js"></script> --> | |
<style> | |
body { | |
margin: 0; | |
overflow: hidden; | |
} | |
</style> | |
</head> | |
<body> | |
<script> | |
var config = { | |
type: Phaser.AUTO, | |
width: window.outerWidth, | |
height: window.innerHeight, | |
physics: { | |
default: 'arcade', | |
arcade: { | |
/* gravity: { y: 300 }, */ | |
debug: false | |
} | |
}, | |
scene: { | |
preload: preload, | |
create: create, | |
update: update | |
} | |
}; | |
// DECLARE GLOBAL VARIABLES | |
var spaceMan; | |
var game = new Phaser.Game(config); | |
function preload() { | |
// do stuff | |
this.load.image('space', 'assets/high-res-space.jpg'); | |
// LOAD SPRITE | |
this.load.image('spaceMan', 'assets/spaceMan.png'); | |
} | |
function create() { | |
// do stuff | |
this.add.image(window.outerWidth / 2, window.innerHeight / 2, 'space'); | |
spaceMan = this.physics.add.sprite(window.outerWidth / 2, window.innerHeight / 2, 'spaceMan'); | |
spaceMan.angle = 270; | |
// ADD CURSORS (USER INPUT / CONTROLS) | |
cursors = this.input.keyboard.createCursorKeys(); | |
// SET SPACEMAN VELOCITY | |
spaceMan.body.velocity.x = 0; | |
spaceMan.body.velocity.y = 0; | |
spaceMan.body.angularVelocity = 0; | |
spaceMan.body.velocityFromAngle = 0; | |
spaceMan.setDamping(true); | |
spaceMan.setDrag(0.99); | |
spaceMan.setMaxVelocity(200); | |
} | |
var coordinatesDisplayed = false; | |
var centerX; | |
var centerY; | |
function update() { | |
// ROTATIONAL THRUST | |
if (cursors.left.isDown) { | |
spaceMan.angle -= 0.5; | |
} else if (cursors.right.isDown) { | |
spaceMan.angle += 0.5; | |
} | |
// FORWARD THRUST | |
if (cursors.up.isDown) { | |
this.physics.velocityFromRotation(spaceMan.rotation, 200, spaceMan.body.acceleration); | |
// DOWNWARD THRUST | |
} else if (cursors.down.isDown) { | |
this.physics.velocityFromRotation(spaceMan.rotation, -200, spaceMan.body.acceleration); | |
} else { | |
spaceMan.setAcceleration(0); | |
} | |
this.physics.world.wrap(spaceMan, 250); | |
} | |
</script> | |
</body> | |
</html> |
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