Add EnemyActor class
bugged commit. Camera not working
Horizontal scrolling and depth working!

TODO:
	- change metrics to int. Only derivatives need to be float.
	- vertical scrolling.
	- some kind of mask for better depth rendering.
Horizontal scroll working great!
Abandoned vertical scroll.

TODO:
	- test on bigger screen devices.
Fixes and multiple floor sizes.

TODO:
	-> test on bigger screens.
	-> merge correctly with flavio`s branch.
Codificando a IA
Started to create new control method - touch controls.
Fixed some of the camera.

TODO:
	-> see last commit.
Minor improvements to touch controls.

TODO:
	- see previous commit.
More little enhancements.
Attack detection on touch controls must be better.

TODO:
	-> enhance attack detection on touch controls.
	-> see previous commit.
D-pad adjustments
Add EnemyActor class
Codificando a IA
Merge branch 'ArtificialIntelligence' of https://github.com/mauricioco/beatemup_game into ArtificialIntelligence

Conflicts:
	app/src/main/java/com/learn/flavio_mauricio/beatemupgame/logic/Actor.java
Finishes artificial intelligence
Merge branch 'ArtificialIntelligence'

Conflicts:
	app/src/main/java/com/learn/flavio_mauricio/beatemupgame/Camera.java
	app/src/main/java/com/learn/flavio_mauricio/beatemupgame/game/DPad.java