set(child, key, value, checkAlive, checkVisible, operation, force) → {boolean}
Quickly set a property on a single child of this group to a new value. The operation parameter controls how the new value is assigned to the property, from simple replacement to addition and multiplication.
Parameters
Name Type Argument Default Description child Phaser.Sprite The child to set the property on. key string The property, as a string, to be set. For example: 'body.velocity.x' value any