First version

This version contains:

• terrain generated with a terrainmap with blending between 4 materials and tile repeating improvement.
  Also casts shadows.
• particle emitters. Soft particles. Billboard, transparency and ordered in z. Instancing.
• obj models rendered with instancing. Casting shadows. With different levels of detail.
• water. With reflections, refraction, and fresnel effect.
• energy wall collision and rendering. Used as a world limit and colliding with player. Marking with a white line the collision with ground.
• lighting
• fog
• 3D text, and GUI text
• GUI quads
• skybox