private void Start()
{
UnityEngine.Random.InitState(DateTime.Now.Second); //todo to provider
GpuInstancingGrassInstanceContainer gpuInstancingGrassContainer = new GpuInstancingGrassInstanceContainer();
GameObjectGrassInstanceContainer gameObjectContainer = new GameObjectGrassInstanceContainer();
_rootInstanceContainer = new RootInstanceContainer(gameObjectContainer, gpuInstancingGrassContainer);
_grassInstanceContainer = _rootInstanceContainer;
Material grassMaterial = new Material(Shader.Find("Custom/Vegetation/Grass.Instanced"));
var meshGenerator = new GrassMeshGenerator();
var singleGrassMeshProvider = new SingleGrassMeshProvider(meshGenerator);
var singleGrassUpdater = new SingleGrassEntitySplatUpdater(singleGrassMeshProvider);
var grassTuftLodEntitySplatGenerator = new GenericEntitySplatGenerator((position) =>
new LodEntitySplat(position,
new SingleGrassLodResolver(),
new GpuInstancingEntitySplatGenerator(new GrassTuftGenerator(),
new SingleGrassUniformPositionProvider(),
new GrassTuftAbstractSettingGenerator(), grassMaterial,
new ConstantCount(20), singleGrassMeshProvider, gpuInstancingGrassContainer,
new GpuInstancingGrassInstanceGenerator()),
singleGrassUpdater));
var singleGrassLodEntitySplatGenerator = new GenericEntitySplatGenerator((position) =>
new LodEntitySplat(position,
new SingleGrassLodResolver(),
new GpuInstancingEntitySplatGenerator(new GrassSingleGenerator(),
new SingleGrassUniformPositionProvider(),
new GrassSingleAbstractSettingGenerator(), grassMaterial,
new ConstantCount(20), singleGrassMeshProvider, gpuInstancingGrassContainer,
new GpuInstancingGrassInstanceGenerator()),
singleGrassUpdater));
var lodGroupProvider =
new LodGroupsProvider(new List <ILodEntitySplatGenerator>
{
singleGrassLodEntitySplatGenerator,
grassTuftLodEntitySplatGenerator
});
var mapSize = new Vector2(100, 100);
var splatSize = mapSize / 10;
var singleLevelDistance = (int)splatSize.x * 2;
var singleLevelMargin = 0.1f;
var lodMarginPowCoef = 0.8f;
_grassLodManager =
new GrassLodManager(new LodLevelResolver(7, singleLevelDistance, singleLevelMargin, lodMarginPowCoef),
new GrassLodManager.MultithreadLodGroupsActioner(lodGroupProvider), mapSize, splatSize);
_grassLodManager.InitializeGroups(new Vector3(0, 0, 0));
_grassLodManager.UpdateLod(new Vector3(0, 0, 0));
}
private void Update()
{
if (Input.GetKey(KeyCode.UpArrow))
{
_rootInstanceContainer.SetGlobalColor("_Color", new Color(a % 1.0f, (a + 0.5f) % 1.0f, (a + 0.3f) % 1.0f));
a += 0.1f;
}
if (Input.GetKey(KeyCode.Q))
{
_rootInstanceContainer.SetGlobalUniform(GrassShaderUniformName._BendingStrength, windStrength);
windStrength += 0.1f;
windStrength = Mathf.Clamp01(windStrength);
}
if (Input.GetKey(KeyCode.W))
{
_rootInstanceContainer.SetGlobalUniform(GrassShaderUniformName._BendingStrength, windStrength);
windStrength -= 0.1f;
windStrength = Mathf.Clamp01(windStrength);
}
if (Input.GetKey(KeyCode.T))
{
grassSplat.Remove();
}
//if (Time.frameCount%100 == 0)
//{
// _manager.UpdateLod(new Vector3(0, 0, 0));
//}
if (windStrength < 1)
{
//_manager.UpdateLod(new Vector3(0,0,0));
//windStrength = 2;
}
if (Time.frameCount % 100 == 0)
{
_grassLodManager.UpdateLod(CameraGameObject.transform.position);
}
_rootInstanceContainer.Draw();
}
private void Start()
{
Random.InitState(DateTime.Now.Second);
_rootInstanceContainer = new RootInstanceContainer();
Material grassMaterial = new Material(Shader.Find("Custom/testSurfaceShader23.Instanced"));
var meshGenerator = new GrassMeshGenerator();
var grassTuftLodEntitySplatGenerator = new GrassTuftLodEntitySplatGenerator(
new GrassTuftGenerator(),
new SingleGrassUniformPositionProvider(),
new GrassTuftAbstractSettingGenerator(),
_rootInstanceContainer,
meshGenerator,
grassMaterial);
var singleGrassLodEntitySplatGenerator = new SingleGrassLodEntitySplatGenerator(
new GrassSingleGenerator(),
new SingleGrassUniformPositionProvider(),
new GrassSingleAbstractSettingGenerator(),
_rootInstanceContainer,
meshGenerator,
grassMaterial);
var lodGroupProvider = new LodGroupsProvider(new List <ILodEntitySplatGenerator> {
singleGrassLodEntitySplatGenerator, grassTuftLodEntitySplatGenerator
});
var mapSize = new Vector2(100, 100);
var splatSize = mapSize / 10;
var singleLevelDistance = (int)splatSize.x * 2;
var singleLevelMargin = 0.1f;
var lodMarginPowCoef = 0.8f;
_grassLodManager = new GrassLodManager(new LodLevelResolver(7, singleLevelDistance, singleLevelMargin, lodMarginPowCoef), lodGroupProvider, mapSize, splatSize);
_grassLodManager.UpdateLod(new Vector3(0, 0, 0));
}
private void Update()
{
//if (Input.GetKey(KeyCode.UpArrow))
//{
// _rootInstanceContainer.SetGlobalColor("_Color", new Color(a%1.0f, (a + 0.5f)%1.0f, (a + 0.3f)%1.0f));
// a += 0.1f;
//}
//if (Input.GetKey(KeyCode.Q))
//{
// _rootInstanceContainer.SetGlobalUniform(GrassShaderUniformName._BendingStrength, windStrength);
// windStrength += 0.1f;
// windStrength = Mathf.Clamp01(windStrength);
//}
//if (Input.GetKey(KeyCode.W))
//{
// _rootInstanceContainer.SetGlobalUniform(GrassShaderUniformName._BendingStrength, windStrength);
// windStrength -= 0.1f;
// windStrength = Mathf.Clamp01(windStrength);
//}
//if (Input.GetKey(KeyCode.T))
//{
// grassSplat.Remove();
//}
////if (Time.frameCount%100 == 0)
////{
//// _manager.UpdateLod(new Vector3(0, 0, 0));
////}
//if (windStrength < 1)
//{
// //_manager.UpdateLod(new Vector3(0,0,0));
// //windStrength = 2;
//}
float move = 0.05f;
if (Input.GetKey(KeyCode.L))
{
CameraGameObject.transform.position += new Vector3(move, 0, 0);
}
if (Input.GetKey(KeyCode.I))
{
CameraGameObject.transform.position += new Vector3(0, 0, move);
}
if (Input.GetKey(KeyCode.K))
{
CameraGameObject.transform.position += new Vector3(0, 0, -move);
}
if (Input.GetKey(KeyCode.J))
{
CameraGameObject.transform.position += new Vector3(-move, 0, 0);
}
if (Time.frameCount % 100 == 0)
{
_grassLodManager.UpdateLod(CameraGameObject.transform.position);
}
_grassLodManager.UpdateNewGroups();
_rootInstanceContainer.Draw();
}