void World::CreateGrass()
{
	RN::Model *grass = RN::Model::WithFile("models/dexsoft/grass/grass_1.sgm");
	grass->GetMaterialAtIndex(0, 0)->culling = false;
	grass->GetMaterialAtIndex(0, 0)->discard = true;
	grass->GetMaterialAtIndex(0, 0)->override = RN::Material::OverrideGroupDiscard | RN::Material::OverrideCulling;
	
	RN::InstancingNode *node = new RN::InstancingNode(grass);
	RN::Random::MersenneTwister random;
	
	for(int i = 0; i < 50000; i ++)
	{
		RN::Vector3 pos = RN::Vector3(random.RandomFloatRange(-100.0f, 100.0f), 0.0f, random.RandomFloatRange(-100.0f, 100.0f));

		RN::Entity *ent = new RN::Entity(grass, pos);
		entity->SetScale(random.RandomFloatRange(2.5f, 3.0f));
		entity->SetRotation(RN::Vector3(random.RandomFloatRange(0, 360.0f), -90.0f, 0.0f));
		
		node->AttachChild(entity);
	}
	
	
	_camera->ambient = RN::Vector4(0.127, 0.252, 0.393, 1.0f) * 2.0f;
	
	_sunLight = new RN::Light(RN::Light::Type::DirectionalLight);
	_sunLight->SetRotation(RN::Quaternion(RN::Vector3(60.0f, -60.0f, 0.0f)));
}