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Hello there. I am dealing for a long time with this issue. I am making an endless runner where platforms are made from small chunks (each 32x32 square). Character should fall down, not stop on the wall. This also happens when chunks don't have any velocity, until I add if( this.body.touching.right ) { this.body.velocity.x = 0; this.body.acceleration.x = 0; } to the player sprite. When I don't apply velocity to the chunks but instead say this.left -= 10 on chunk group in update the things are get more weird I guess that has to do something with chunks, am I doing this in wrong way? Each platform is a group, to which I add those chunks export default class Platform extends Phaser.Group { constructor(game, _) { super(game); const defaults = { startX: 0, startY: game.height - 64, width: game.width * .3, tileLevel: 1, tileFrame: 8, }; this.state = { extended: false }; _ = Object.assign({}, defaults, _); this.physicsBodyType = Phaser.Physics.ARCADE; this.enableBody = true; // Y axis for(let y = _.startY; y <= game.height + game.global.tileSize; y += game.global.tileSize) { // X axis _.tileLevel === 1 ? _.tileFrame = 8 : _.tileFrame = 1; for( let x = 0; x < _.width; x += game.global.tileSize ) { this.create(x + _.startX, y, 'tileset', _.tileFrame); } _.tileLevel++; } const BODY_OFFSET = 4; this.forEach((child) => { child.body.immovable = true; child.body.allowGravity = false; child.body.offset.y = BODY_OFFSET; child.body.friction.set(0); child.body.velocity.x = -10; }, this); } update() { // Spawn another platform if ((this.left <= this.game.width) && (!this.state.extended)) { this.state.extended = true; this.game.global.spawnPlatform.dispatch(this.right); } // Destroy when off bounds if(this.right < 0) { this.destroy(); } } } Best regards.

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So we have sprite moving left right and the aim is to make it stop when hit a "invisible" wall. Let's presume that the x coordinate checks are 0px and 300px, so: if(game.input.keyboard.isDown(Phaser.Keyboard.A)) { paddle.body.velocity.x = -paddleSpeed; } else if(game.input.keyboard.isDown(Phaser.Keyboard.D)) { paddle.body.velocity.x = paddleSpeed; }and after checking some Phaser source i came up with this: if(paddle.x < paddle._cache.halfWidth) { paddle.x = paddle._cache.halfWidth; paddle.body.velocity.x *= -paddle.body.bounce.x; } if(paddle.x > game.world.width - paddle._cache.halfWidth) { paddle.x = game.world.width - paddle._cache.halfWidth; paddle.body.velocity.x *= -paddle.body.bounce.x; } If I use: paddle.body.collideWorldBounds = true; //like in the examples it-s all KO no bouncing/jitter when paddle hit the walls And since this is the code for checkWorldBounds: if (this.x < this.game.world.bounds.x){this.x = this.game.world.bounds.x;this.velocity.x *= -this.bounce.x;}else if (this.right > this.game.world.bounds.right){this.x = this.game.world.bounds.right - this.width;this.velocity.x *= -this.bounce.x;}I used the same approach... but still when it hit the right or left border the sprite passes the border and then it's positioned back ... you can check it, here: http://mihail.ilinov.eu/games/PhaserBreakoutJSBuggy/ Just press "A" and "D" for moving left and right and hit the wall you will see the problem... Also what's the deal with: body.bounce