public void ErodeOneStep()
{
var currentHeightArray = SimpleHeightArray.FromHeightmap(_currentHeightmap);
var eroder = new ThermalEroder();
var extremes = new ArrayExtremes(1517, 6161);
var tParam = CalculateFromHillFactor(1, extremes, 24);
Debug.Log("TPAN IS " + tParam);
eroder.Erode(currentHeightArray, new ThermalErosionConfiguration()
{
StepCount = 5,
CParam = 0.3f,
TParam = tParam
});
var doneTexture =
HeightmapUtils.CreateTextureFromHeightmap(
SimpleHeightArray.ToHeightmap(currentHeightArray));
//_go.GetComponent<MeshRenderer>().material.SetTexture("_HeightmapTex0", _oldDoneTexture);
_go.GetComponent <MeshRenderer>().material.SetTexture("_HeightmapTex1", doneTexture);
_oldDoneTexture = doneTexture;
}
// hill factor. 0 - flat. 1 - equal
public static float CalculateFromHillFactor(float hillFactor, ArrayExtremes extremes, float metersPerUnit)
{
var oneUnitTooBigDelta = metersPerUnit * hillFactor;
var oneUnitTooBigDeltaInNormalizedSpace = oneUnitTooBigDelta / extremes.Delta;
return(oneUnitTooBigDeltaInNormalizedSpace);
}
public void NormalizeInGroups()
{
foreach (var list in _arraysDict.Values)
{
var extremes = list.Select(c => MyArrayUtils.CalculateExtremes(c.HeightmapAsArray)).ToList();
var extent = new ArrayExtremes(
extremes.Min(c => c.Min),
extremes.Max(c => c.Max)
);
list.ForEach(c => MyArrayUtils.Normalize(c.HeightmapAsArray, extent));
//foreach (var arr in list)
//{
// //Debug.Log("T67: "+arr.HeightmapAsArray[10, 10]);
// //var ext = MyArrayUtils.CalculateExtremes(arr.HeightmapAsArray);
// //Debug.Log("T88: min "+ext.Min+" max"+ext.Max);
// MyArrayUtils.Normalize(arr.HeightmapAsArray);
// //Debug.Log("T000_67: "+arr.HeightmapAsArray[10, 10]);
// //var ext2 = MyArrayUtils.CalculateExtremes(arr.HeightmapAsArray);
// //Debug.Log("T000_88: min "+ext2.Min+" max"+ext2.Max);
// //Debug.Log("___________________________");
//}
//list.ForEach(c => MyArrayUtils.Normalize(c.HeightmapAsArray));
}
}
public void Start_Hydraulic_Debuggable()
{
var heightTexture1 = SavingFileManager.LoadPngTextureFromFile(@"C:\inz\cont\smallCut.png", 240,
240, TextureFormat.RGBA32, true, true);
var heightmap1 = HeightmapUtils.CreateHeightmapArrayFromTexture(heightTexture1);
//DiamondSquareCreator creator = new DiamondSquareCreator(new RandomProvider(22));
//var heightmap2 = creator.CreateDiamondSquareNoiseArray(new IntVector2(240, 240), 64);
//MyArrayUtils.Multiply(heightmap2.HeightmapAsArray, 0.1f);
var tParam = EroderDebugObject.CalculateFromHillFactor(1, new ArrayExtremes(0, 5000), 24);
var extents = MyArrayUtils.CalculateExtremes(heightmap1.HeightmapAsArray);
MyArrayUtils.Normalize(heightmap1.HeightmapAsArray);
var configuration =
new HydraulicEroderConfiguration()
{
StepCount = 20,
NeighbourFinder = NeighbourFinders.Big9Finder,
kr_ConstantWaterAddition = 0.001f,
ks_GroundToSedimentFactor = 1f,
ke_WaterEvaporationFactor = 0.05f,
kc_MaxSedimentationFactor = 0.8f,
FinalSedimentationToGround = false,
WaterGenerator = HydraulicEroderWaterGenerator.FirstFrame,
DestinationFinder = HydraulicEroderWaterDestinationFinder.OnlyBest
};
var copyArray = MyArrayUtils.DeepClone(heightmap1.HeightmapAsArray);
var currentHeightArray = new SimpleHeightArray(copyArray);
var eroder = new DebuggableHydraulicEroder();
var debuggingOutput = eroder.Erode(currentHeightArray, configuration, 1);
var sedimentExtentsArr = debuggingOutput.SedimentSnapshots
.Select(c => MyArrayUtils.CalculateExtremes(c.Array)).ToList();
var sedimentExtents = new ArrayExtremes(sedimentExtentsArr.Min(c => c.Min),
sedimentExtentsArr.Max(c => c.Max));
debuggingOutput.SedimentSnapshots.ForEach(c => MyArrayUtils.Normalize(c.Array, sedimentExtents));
var waterExtentsArr = debuggingOutput.WaterSnapshots.Select(c => MyArrayUtils.CalculateExtremes(c.Array))
.ToList();
var waterExtents = new ArrayExtremes(waterExtentsArr.Min(c => c.Min), waterExtentsArr.Max(c => c.Max));
debuggingOutput.WaterSnapshots.ForEach(c => MyArrayUtils.Normalize(c.Array, waterExtents));
_go = GameObject.CreatePrimitive(PrimitiveType.Quad);
var material = new Material(Shader.Find("Custom/Terrain/Terrain_Debug_Comparision_StepByStep"));
_go.GetComponent <MeshRenderer>().material = material;
_go.name = "Terrain";
_go.transform.localRotation = Quaternion.Euler(0, 0, 0);
_go.transform.localScale = new Vector3(10, 1, 10);
_go.transform.localPosition = new Vector3(0, 0, 0);
_go.GetComponent <MeshFilter>().mesh = PlaneGenerator.CreateFlatPlaneMesh(240, 240);
MyHeightTextureArray heightTextureArray =
new MyHeightTextureArray(240, 240, 2, TextureFormat.ARGB32, false, true);
heightTextureArray.AddElementArray(heightmap1, 0);
heightTextureArray.AddElementArray(new HeightmapArray(currentHeightArray.Array), 1);
_go.GetComponent <MeshRenderer>().material
.SetTexture("_HeightmapTexArray", heightTextureArray.ApplyAndRetrive());
MyHeightTextureArray waterArray = new MyHeightTextureArray(240, 240, debuggingOutput.WaterSnapshots.Count,
TextureFormat.ARGB32, false, true);
int i = 0;
foreach (var waterSnapshot in debuggingOutput.WaterSnapshots)
{
waterArray.AddElementArray(new HeightmapArray(waterSnapshot.Array), i);
i++;
}
_go.GetComponent <MeshRenderer>().material.SetTexture("_WaterArray", waterArray.ApplyAndRetrive());
MyHeightTextureArray sedimentArray = new MyHeightTextureArray(240, 240,
debuggingOutput.SedimentSnapshots.Count, TextureFormat.ARGB32, false, true);
int j = 0;
foreach (var sedimentSnapshot in debuggingOutput.SedimentSnapshots)
{
sedimentArray.AddElementArray(new HeightmapArray(sedimentSnapshot.Array), j);
j++;
}
_go.GetComponent <MeshRenderer>().material.SetTexture("_SedimentArray", sedimentArray.ApplyAndRetrive());
}
