Implement a tile map loader

[ryukinix]

It would better if #21 was finished first, since tile map need to create the boundary boxes and maybe it's lightly coupled to how the collision system will works.

References:

• https://docs.unity3d.com/Manual/class-TilemapCollider2D.html
• https://docs.godotengine.org/pt_BR/stable/tutorials/2d/using_tilemaps.html
• https://gamedev.stackexchange.com/questions/55207/tilemap-collision-in-component-based-entity-system

[wesleycsj]

This is not related. The tile map system is static and something apart, does not depends of any collision/physics system. In fact it depends now of #43.

[ryukinix]

Actually the graphics is not important, the #42 it's more relevant.

[wesleycsj]

Yes, but do you remember it will become with only one PR?

[ryukinix]

Oh, I forgot about it. No problem.

[wesleycsj]

In theory, the concept we discussed before, could not exist a Sprite class without a Graphics implementation to handle these engine primitive classes and the renderer.