crash fix (bad access)

Signed-off-by: alex-fox <alex.fu27@gmail.com>
added rotation

Signed-off-by: alex-fox <alex.fu27@gmail.com>
Merge branch 'master' of https://github.com/alex-fox/xFighter

Conflicts:
	src/xFighter.cpp

fixed movement directions/speed

Signed-off-by: alex-fox <alex.fu27@gmail.com>