Physics.accelerationValue
.Physics.accelerateAtAngle(double)
.Action
objects added to this Entity.Action
objects added to this Sprite.Sprite
over time.ActionFactory
methods that need to extend the Action class to store additional information or override methods, typically involving one or more additional Actions (see ActionFactory.sequence, repeat, forever).ActionFactory
methods or to create custom Action objects.Action
objects.Action
to this Sprite.Entity
to this collection.Texture
s displayed in rapid succession
to create the appearance of movement.Audio.loadMusic(String)
or Audio.loadSound(String)
to create an instance.