How to use

setSize

function

in

Body

constructor(scene, x, y) {
  // pass empty string for the texture
  super(scene, x, y, '')

  scene.add.existing(this)
  scene.physics.add.existing(this)

  // set the width and height of the sprite as the body size
  this.body.setSize(32, 48)
 }

it('body size should be 32 * 48 (1536)', done => {
 class Player extends Phaser.Physics.Arcade.Sprite {
  constructor(scene, x, y) {
   // pass empty string for the texture
   super(scene, x, y, '')

   scene.add.existing(this)
   scene.physics.add.existing(this)

   // set the width and height of the sprite as the body size
   this.body.setSize(32, 48)
  }
 }

 class MainScene extends Phaser.Scene {
  create() {
   this.player = new Player(this, 100, 100)
  }

  update(time, delta) {
   expect(this.player.body.width * this.player.body.height).toBe(1536)
   done()
  }
 }

 StartTest([MainScene])
})

this.player.body.setSize(24, 38)