DemoSystem is a demo system.

LoadEntities creates entities with components from a TOML file.

AbortAction is the action for aborting and removing animation.

DoubleSpeedAction is the action for multiplying the animation speed by 2.

HalfSpeedAction is the action for dividing the animation speed by 2.

ResetAction is the action for resetting entities.

RestartAction is the action for restarting the animation.

ReverseAction is the action for reversing the animation.

SetTimeToMiddleAction is the action for setting animation time to the middle of animation.

StartPauseAction is the action for starting or pausing the animation.

StepBackwardAction is the action for stepping backward.

StepForwardAction is the action for stepping forward.

GameplayState is the main game state.