public void Clamp(clsHeightmap Source, double HeightMin, double HeightMax)
{
int Y = 0;
int X = 0;
double dblTemp = 0;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
dblTemp = Convert.ToDouble(Source.HeightData.Height[Y, X] * Source.HeightScale);
if ( dblTemp < HeightMin )
{
HeightData.Height[Y, X] = (int)(HeightMin / HeightScale);
}
else if ( dblTemp > HeightMax )
{
HeightData.Height[Y, X] = (int)(HeightMax / HeightScale);
}
else
{
HeightData.Height[Y, X] = (int)(dblTemp / HeightScale);
}
}
}
}
public void Convert_Heightmap(clsHeightmap Source, long AtOrAboveThisHeightEqualsTrue)
{
int X = 0;
int Y = 0;
ValueData.Size.X = Source.HeightData.SizeX;
ValueData.Size.Y = Source.HeightData.SizeY;
ValueData.Value = new bool[ValueData.Size.Y, ValueData.Size.X];
for ( Y = 0; Y <= Source.HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= Source.HeightData.SizeX - 1; X++ )
{
ValueData.Value[Y, X] = Source.HeightData.Height[Y, X] >= AtOrAboveThisHeightEqualsTrue;
}
}
}
public void Add(clsHeightmap Source, double Amount)
{
int Y = 0;
int X = 0;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
Convert.ToInt32(Convert.ToDouble(Convert.ToDouble(Source.HeightData.Height[Y, X] * Source.HeightScale) + Amount) /
HeightScale);
}
}
}
public void Add2(clsHeightmap SourceA, clsHeightmap SourceB)
{
int Y = 0;
int X = 0;
double dblTempA = SourceA.HeightScale / HeightScale;
double dblTempB = SourceB.HeightScale / HeightScale;
if ( !SourceA.IsSizeSame(SourceB) )
{
Debugger.Break();
}
SizeCopy(SourceA);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
Convert.ToInt32(Convert.ToDouble(SourceA.HeightData.Height[Y, X] * dblTempA) +
Convert.ToDouble(SourceB.HeightData.Height[Y, X] * dblTempB));
}
}
}
public void Lowest2(clsHeightmap SourceA, clsHeightmap SourceB)
{
int Y = 0;
int X = 0;
double dblTempA = 0;
double dblTempB = 0;
double dblTempC = SourceA.HeightScale / HeightScale;
double dblTempD = SourceB.HeightScale / HeightScale;
if ( !SourceA.IsSizeSame(SourceB) )
{
Debugger.Break();
}
SizeCopy(SourceA);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
dblTempA = Convert.ToDouble(SourceA.HeightData.Height[Y, X] * dblTempC);
dblTempB = Convert.ToDouble(SourceB.HeightData.Height[Y, X] * dblTempD);
if ( dblTempA <= dblTempB )
{
HeightData.Height[Y, X] = (int)dblTempA;
}
else
{
HeightData.Height[Y, X] = (int)dblTempB;
}
}
}
}
public void Lowest(clsHeightmap Source, double Value)
{
int Y = 0;
int X = 0;
double dblTemp = Source.HeightScale / HeightScale;
double dblTemp2 = Value / HeightScale;
double dblTemp3 = 0;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
dblTemp3 = Convert.ToDouble(Source.HeightData.Height[Y, X] * dblTemp);
if ( dblTemp3 <= dblTemp2 )
{
HeightData.Height[Y, X] = (int)dblTemp3;
}
else
{
HeightData.Height[Y, X] = (int)dblTemp2;
}
}
}
}
public bool IsSizeSame(clsHeightmap Source)
{
return (HeightData.SizeX == Source.HeightData.SizeX) && (HeightData.SizeY == Source.HeightData.SizeY);
}
public void Subtract(clsHeightmap Source, double Amount)
{
var Y = 0;
var X = 0;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
Convert.ToInt32(Convert.ToDouble(Convert.ToDouble(Source.HeightData.Height[Y, X] * Source.HeightScale) - Amount) /
HeightScale);
}
}
}
public void Divide(clsHeightmap Source, double Denominator)
{
int Y = 0;
int X = 0;
double dblTemp = Source.HeightScale / (Denominator * HeightScale);
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = Convert.ToInt32(Source.HeightData.Height[Y, X] * dblTemp);
}
}
}
public void ShiftToZero(clsHeightmap Source)
{
int Y = 0;
int X = 0;
sMinMax MinMax = new sMinMax();
double dblTemp = Source.HeightScale / HeightScale;
Source.MinMaxGet(MinMax);
long Offset = 0;
SizeCopy(Source);
Offset = Convert.ToInt64(0 - MinMax.Min);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = Convert.ToInt32(Convert.ToDouble(Offset + Source.HeightData.Height[Y, X]) * dblTemp);
}
}
}
public void Rescale(clsHeightmap Source, double HeightMin, double HeightMax)
{
int Y = 0;
int X = 0;
sMinMax MinMax = new sMinMax();
Source.MinMaxGet(MinMax);
long HeightRange = 0;
long Offset = 0;
double Ratio = 0;
long lngTemp = 0;
SizeCopy(Source);
HeightRange = Convert.ToInt64(MinMax.Max - MinMax.Min);
Offset = Convert.ToInt64(0 - MinMax.Min);
if ( HeightRange > 0 )
{
Ratio = (HeightMax - HeightMin) / (HeightRange * HeightScale);
lngTemp = (int)(HeightMin / HeightScale);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
Convert.ToInt64(lngTemp + Convert.ToInt32(Convert.ToDouble(Offset + Source.HeightData.Height[Y, X]) * Ratio));
}
}
}
else
{
lngTemp = (int)((HeightMin + HeightMax) / 2.0D);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = lngTemp;
}
}
}
}
public void Inflate(clsHeightmap Source, double NoiseFactor, double HeightMultiplier, int VariationReduction)
{
int A = 0;
int Y = 0;
int X = 0;
double Variation = 0;
long VariationHalved = 0;
long Mean = 0;
double Dist = 0;
double LayerFactor = 0;
//make a larger copy of heightmap
if ( Source.HeightData.SizeY == 0 | Source.HeightData.SizeX == 0 )
{
return;
}
Blank((Source.HeightData.SizeY - 1) * 2 + 1, Convert.ToInt32((Source.HeightData.SizeX - 1) * 2 + 1));
for ( Y = 0; Y <= Source.HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= Source.HeightData.SizeX - 1; X++ )
{
HeightData.Height[(Y + 1) * 2 - 2, (X + 1) * 2 - 2] = Source.HeightData.Height[Y, X];
}
}
if ( NoiseFactor == 0.0D )
{
LayerFactor = 0.0D;
}
else
{
LayerFactor = Math.Pow((2.0D / NoiseFactor), (- VariationReduction));
}
//centre points
Dist = MathUtil.RootTwo;
Variation = Dist * LayerFactor * HeightMultiplier;
VariationHalved = (int)(Variation / 2.0D);
for ( Y = 1; Y <= HeightData.SizeY - 2; Y += 2 )
{
for ( X = 1; X <= HeightData.SizeX - 2; X += 2 )
{
Mean =
Convert.ToInt32(
Convert.ToDouble(Convert.ToInt32(HeightData.Height[Y - 1, X - 1] + HeightData.Height[Y - 1, X + 1]) +
HeightData.Height[Y + 1, X - 1] + HeightData.Height[Y + 1, X + 1]) / 4.0D);
HeightData.Height[Y, X] = Convert.ToInt64(Convert.ToInt32(Mean + ((int)(VBMath.Rnd() * Variation))) - VariationHalved);
}
}
//side points
Dist = 1.0D;
Variation = Dist * LayerFactor * HeightMultiplier;
VariationHalved = (int)(Variation / 2.0D);
//inner side points
for ( Y = 1; Y <= HeightData.SizeY - 2; Y++ )
{
A = Y - ((int)(Conversion.Int(Y / 2.0D))) * 2;
for ( X = 1 + A; X <= HeightData.SizeX - 2 - A; X += 2 )
{
Mean =
Convert.ToInt32(
Convert.ToDouble(Convert.ToInt32(HeightData.Height[Y - 1, X] + HeightData.Height[Y, X - 1]) + HeightData.Height[Y, X + 1] +
HeightData.Height[Y + 1, X]) / 4.0D);
HeightData.Height[Y, X] = Convert.ToInt64(Convert.ToInt32(Mean + ((int)(VBMath.Rnd() * Variation))) - VariationHalved);
}
}
//top side points
Y = 0;
for ( X = 1; X <= HeightData.SizeX - 2; X += 2 )
{
Mean =
Convert.ToInt32(
Convert.ToDouble(Convert.ToInt32(HeightData.Height[Y, X - 1] + HeightData.Height[Y, X + 1]) + HeightData.Height[Y + 1, X]) /
3.0D);
HeightData.Height[Y, X] = Convert.ToInt64(Convert.ToInt32(Mean + ((int)(VBMath.Rnd() * Variation))) - VariationHalved);
}
//left side points
X = 0;
for ( Y = 1; Y <= HeightData.SizeY - 2; Y += 2 )
{
Mean =
Convert.ToInt32(
Convert.ToDouble(Convert.ToInt32(HeightData.Height[Y - 1, X] + HeightData.Height[Y, X + 1]) + HeightData.Height[Y + 1, X]) /
3.0D);
HeightData.Height[Y, X] = Convert.ToInt64(Convert.ToInt32(Mean + ((int)(VBMath.Rnd() * Variation))) - VariationHalved);
}
//right side points
X = HeightData.SizeX - 1;
for ( Y = 1; Y <= HeightData.SizeY - 2; Y += 2 )
{
Mean =
Convert.ToInt32(
Convert.ToDouble(Convert.ToInt32(HeightData.Height[Y - 1, X] + HeightData.Height[Y, X - 1]) + HeightData.Height[Y + 1, X]) /
3.0D);
HeightData.Height[Y, X] = Convert.ToInt64(Convert.ToInt32(Mean + ((int)(VBMath.Rnd() * Variation))) - VariationHalved);
}
//bottom side points
Y = HeightData.SizeY - 1;
for ( X = 1; X <= HeightData.SizeX - 2; X += 2 )
{
Mean =
Convert.ToInt32(
Convert.ToDouble(Convert.ToInt32(HeightData.Height[Y - 1, X] + HeightData.Height[Y, X - 1]) + HeightData.Height[Y, X + 1]) /
3.0D);
HeightData.Height[Y, X] = Convert.ToInt64(Convert.ToInt32(Mean + ((int)(VBMath.Rnd() * Variation))) - VariationHalved);
}
}
public void GenerateNewOfSize(int Final_SizeY, int Final_SizeX, float Scale, double HeightMultiplier)
{
int Inflations = 0;
int SizeY = 0;
int SizeX = 0;
double Log2 = 0;
int intTemp = 0;
clsHeightmap hmTemp = new clsHeightmap();
double Ratio = 0;
Log2 = Math.Log(2.0D);
if ( Final_SizeX > Final_SizeY )
{
Inflations = (int)(Math.Ceiling(Math.Log(Final_SizeX - 1) / Log2));
}
else
{
Inflations = (int)(Math.Ceiling(Math.Log(Final_SizeY - 1) / Log2));
}
Inflations = (int)(Math.Ceiling(Scale));
if ( Inflations < 0 )
{
Debugger.Break();
}
Ratio = Math.Pow(2.0D, (Scale - Inflations));
intTemp = (int)(Math.Pow(2.0D, Inflations));
SizeX = ((int)(Math.Ceiling((Final_SizeX / Ratio - 1) / intTemp))) + 1;
SizeY = ((int)(Math.Ceiling((Final_SizeY / Ratio - 1) / intTemp))) + 1;
GenerateNew(SizeY, SizeX, Inflations, 1.0D, HeightMultiplier);
if ( Inflations > Scale )
{
hmTemp.Stretch(this, (int)(HeightData.SizeX * Ratio), (int)(HeightData.SizeY * Ratio));
HeightData = hmTemp.HeightData;
hmTemp.HeightData = new clsHeightData();
}
if ( HeightData.SizeX != Final_SizeX | HeightData.SizeY != Final_SizeY )
{
//If HeightData.SizeX / Final_SizeX > HeightData.SizeY / Final_SizeY Then
// hmTemp.Resize(Me, 0, 0, HeightData.SizeY, Final_SizeX * HeightData.SizeY / Final_SizeY)
//Else
// hmTemp.Resize(Me, 0, 0, Final_SizeY * HeightData.SizeX / Final_SizeX, HeightData.SizeX)
//End If
//StretchPixelated(hmTemp, Final_SizeX, Final_SizeY)
hmTemp.Resize(this, 0, 0, Final_SizeY, Final_SizeX);
HeightData = hmTemp.HeightData;
}
}
public void GenerateNew(int SizeY, int SizeX, int Inflations, double NoiseFactor, double HeightMultiplier)
{
clsHeightmap Temp = new clsHeightmap();
Blank(SizeY, SizeX);
Randomize(HeightMultiplier / HeightScale);
Temp.HeightScale = HeightScale;
Temp.Generate(this, Inflations, NoiseFactor, HeightMultiplier / HeightScale);
HeightData = Temp.HeightData; //steal the temporary heightmap's data
}
public void Generate(clsHeightmap Source, int Inflations, double NoiseFactor, double HeightMultiplier)
{
clsHeightmap Temp = new clsHeightmap();
int A = 0;
if ( Inflations >= 1 )
{
Temp.Inflate(Source, NoiseFactor, HeightMultiplier, 1);
HeightData = Temp.HeightData;
Temp.HeightData = new clsHeightData();
for ( A = 2; A <= Inflations; A++ )
{
Temp.Inflate(this, NoiseFactor, HeightMultiplier, A);
HeightData = Temp.HeightData;
Temp.HeightData = new clsHeightData();
}
}
else if ( Inflations == 0 )
{
Copy(Source);
}
else
{
return;
}
}
public void FadeMultiple(clsHeightmap hmSource, sHeightmaps AlterationMaps, sHeights AlterationHeights)
{
int Level = 0;
int Y = 0;
int X = 0;
float srcHeight = 0;
float Ratio = 0;
int AlterationHeight_Ubound = AlterationHeights.Heights.GetUpperBound(0);
int intTemp = 0;
float TempA = 0;
float TempB = 0;
SizeCopy(hmSource);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
srcHeight = Convert.ToSingle(hmSource.HeightData.Height[Y, X] * hmSource.HeightScale);
for ( Level = 0; Level <= AlterationHeight_Ubound; Level++ )
{
if ( srcHeight <= AlterationHeights.Heights[Level] )
{
break;
}
}
if ( Level == 0 )
{
HeightData.Height[Y, X] =
Convert.ToInt32(
Convert.ToDouble(AlterationMaps.Heightmaps[Level].HeightData.Height[Y, X] * AlterationMaps.Heightmaps[Level].HeightScale) /
HeightScale);
}
else if ( Level > AlterationHeight_Ubound )
{
HeightData.Height[Y, X] =
Convert.ToInt32(
Convert.ToDouble(AlterationMaps.Heightmaps[AlterationHeight_Ubound].HeightData.Height[Y, X] *
AlterationMaps.Heightmaps[AlterationHeight_Ubound].HeightScale) / HeightScale);
}
else
{
intTemp = Level - 1;
TempA = AlterationHeights.Heights[intTemp];
TempB = AlterationHeights.Heights[Level];
Ratio = (float)((srcHeight - TempA) / (TempB - TempA));
HeightData.Height[Y, X] =
Convert.ToInt32(
Convert.ToDouble(
Convert.ToDouble(AlterationMaps.Heightmaps[intTemp].HeightData.Height[Y, X] * AlterationMaps.Heightmaps[intTemp].HeightScale *
(1.0F - Ratio)) +
Convert.ToDouble(AlterationMaps.Heightmaps[Level].HeightData.Height[Y, X] * AlterationMaps.Heightmaps[Level].HeightScale *
Ratio)) / HeightScale);
}
}
}
}
public void Divide2(clsHeightmap SourceA, clsHeightmap SourceB)
{
int Y = 0;
int X = 0;
double dblTemp = SourceA.HeightScale / (SourceB.HeightScale * HeightScale);
if ( !SourceA.IsSizeSame(SourceB) )
{
Debugger.Break();
}
SizeCopy(SourceA);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
Convert.ToInt32(Convert.ToDouble(SourceA.HeightData.Height[Y, X] / SourceB.HeightData.Height[Y, X]) * dblTemp);
}
}
}
public void Multiply(clsHeightmap Source, double Multiplier)
{
int Y = 0;
int X = 0;
double dblTemp = Source.HeightScale * Multiplier / HeightScale;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = Convert.ToInt32(Source.HeightData.Height[Y, X] * dblTemp);
}
}
}
public void Multiply2(clsHeightmap SourceA, clsHeightmap SourceB)
{
int Y = 0;
int X = 0;
if ( !SourceA.IsSizeSame(SourceB) )
{
Debugger.Break();
}
SizeCopy(SourceA);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
Convert.ToInt32(
Convert.ToInt32(
Convert.ToDouble(Convert.ToDouble(SourceA.HeightData.Height[Y, X] * SourceA.HeightScale) *
SourceB.HeightData.Height[Y, X]) * SourceB.HeightScale) / HeightScale);
}
}
}
public void Insert(clsHeightmap Source, int Y1, int X1)
{
int Y = 0;
int X = 0;
for ( Y = 0; Y <= Source.HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= Source.HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y1 + Y, X1 + X] = Source.HeightData.Height[Y, X];
}
}
}
public void Resize(clsHeightmap Source, int OffsetY, int OffsetX, int SizeY, int SizeX)
{
int StartY = 0;
int StartX = 0;
int EndY = 0;
int EndX = 0;
int Y = 0;
int X = 0;
Blank(SizeY, SizeX);
StartX = Math.Max(0 - OffsetX, 0);
StartY = Math.Max(0 - OffsetY, 0);
EndX = Math.Min(Source.HeightData.SizeX - OffsetX, HeightData.SizeX) - 1;
EndY = Math.Min(Source.HeightData.SizeY - OffsetY, HeightData.SizeY) - 1;
for ( Y = StartY; Y <= EndY; Y++ )
{
for ( X = StartX; X <= EndX; X++ )
{
HeightData.Height[Y, X] = Source.HeightData.Height[OffsetY + Y, OffsetX + X];
}
}
}
public void SizeCopy(clsHeightmap Source)
{
HeightData.SizeX = Source.HeightData.SizeX;
HeightData.SizeY = Source.HeightData.SizeY;
HeightData.Height = new long[HeightData.SizeY, HeightData.SizeX];
}
public void Swap3(clsHeightmap SourceA, clsHeightmap SourceB, clsHeightmap Swapper)
{
int Y = 0;
int X = 0;
double Ratio = 0;
if ( !(Swapper.IsSizeSame(SourceA) && Swapper.IsSizeSame(SourceB)) )
{
Debugger.Break();
}
SizeCopy(Swapper);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
Ratio = Convert.ToDouble(Swapper.HeightData.Height[Y, X] * Swapper.HeightScale);
HeightData.Height[Y, X] =
Convert.ToInt32(
Convert.ToDouble(Convert.ToDouble(SourceA.HeightData.Height[Y, X] * SourceA.HeightScale) * (1.0D - Ratio) +
Convert.ToDouble(SourceB.HeightData.Height[Y, X] * Ratio * SourceB.HeightScale)) / HeightScale);
}
}
}
public void Copy(clsHeightmap Source)
{
int Y = 0;
int X = 0;
HeightScale = Source.HeightScale;
SizeCopy(Source);
for ( Y = 0; Y <= Source.HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= Source.HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = Source.HeightData.Height[Y, X];
}
}
}
public void Stretch(clsHeightmap hmSource, int SizeX, int SizeY)
{
int OldSizeX = 0;
int OldSizeY = 0;
float New_Per_OldX = 0;
float New_Per_OldY = 0;
float OldPixStartX = 0;
float OldPixStartY = 0;
float OldPixEndX = 0;
float OldPixEndY = 0;
float Ratio = 0;
int NewPixelX = 0;
int NewPixelY = 0;
int OldPixelX = 0;
int OldPixelY = 0;
float XTemp = 0;
float YTemp = 0;
float Temp = (float)(hmSource.HeightScale / HeightScale);
OldSizeX = hmSource.HeightData.SizeX;
OldSizeY = hmSource.HeightData.SizeY;
Blank(SizeY, SizeX);
//new ratios convert original image positions into new image positions
New_Per_OldX = (float)(SizeX / OldSizeX);
New_Per_OldY = (float)(SizeY / OldSizeY);
//cycles through each pixel in the new image
for ( OldPixelY = 0; OldPixelY <= OldSizeY - 1; OldPixelY++ )
{
for ( OldPixelX = 0; OldPixelX <= OldSizeX - 1; OldPixelX++ )
{
//find where the old pixel goes on the new image
OldPixStartX = OldPixelX * New_Per_OldX;
OldPixStartY = OldPixelY * New_Per_OldY;
OldPixEndX = (OldPixelX + 1) * New_Per_OldX;
OldPixEndY = (OldPixelY + 1) * New_Per_OldY;
//cycles through each new image pixel that is to be influenced
for ( NewPixelY = (int)OldPixStartY; NewPixelY <= (int)(-(-OldPixEndY)); NewPixelY++ )
{
if ( NewPixelY >= SizeY )
{
break;
}
for ( NewPixelX = (int)OldPixStartX; NewPixelX <= (int)(-(-OldPixEndX)); NewPixelX++ )
{
if ( NewPixelX >= SizeX )
{
break;
}
//ensure that the original pixel imposes on the new pixel
if ( !(OldPixEndY > NewPixelY & OldPixStartY < NewPixelY + 1 & OldPixEndX > NewPixelX & OldPixStartX < NewPixelX + 1) )
{
//Stop
}
else
{
//measure the amount of original pixel in the new pixel
XTemp = 1.0F;
YTemp = 1.0F;
if ( OldPixStartY > NewPixelY )
{
YTemp -= OldPixStartY - NewPixelY;
}
if ( OldPixStartX > NewPixelX )
{
XTemp -= OldPixStartX - NewPixelX;
}
if ( OldPixEndY < NewPixelY + 1 )
{
YTemp -= (NewPixelY + 1) - OldPixEndY;
}
if ( OldPixEndX < NewPixelX + 1 )
{
XTemp -= (NewPixelX + 1) - OldPixEndX;
}
Ratio = XTemp * YTemp;
//add the neccessary fraction of the original pixel's color into the new pixel
HeightData.Height[NewPixelY, NewPixelX] =
Convert.ToInt32(HeightData.Height[NewPixelY, NewPixelX] +
Convert.ToInt32(hmSource.HeightData.Height[OldPixelY, OldPixelX] * Ratio * Temp));
}
}
}
}
}
}
public void Intervalise(clsHeightmap Source, double Interval)
{
int Y = 0;
int X = 0;
double dblTemp = Source.HeightScale / Interval;
double dblTemp2 = Interval / HeightScale;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = Convert.ToInt32(Convert.ToDouble(Conversion.Int(Source.HeightData.Height[Y, X] * dblTemp)) * dblTemp2);
}
}
}
public void WaveLow(clsHeightmap Source)
{
int Y = 0;
int X = 0;
long HeightRange = 0;
long HeightMin = 0;
sMinMax MinMax = new sMinMax();
Source.MinMaxGet(MinMax);
HeightRange = Convert.ToInt64(MinMax.Max - MinMax.Min);
HeightMin = MinMax.Min;
if ( HeightRange == 0.0D )
{
return;
}
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] =
(int)
(((1.0D - Math.Sin((1.0D - Convert.ToInt32(Source.HeightData.Height[Y, X] - HeightMin) / HeightRange) * MathUtil.RadOf90Deg)) *
HeightRange + HeightMin) * Source.HeightScale / HeightScale);
}
}
}
public void Invert(clsHeightmap Source)
{
int Y = 0;
int X = 0;
double dblTemp = - Source.HeightScale / HeightScale;
SizeCopy(Source);
for ( Y = 0; Y <= HeightData.SizeY - 1; Y++ )
{
for ( X = 0; X <= HeightData.SizeX - 1; X++ )
{
HeightData.Height[Y, X] = Convert.ToInt32(Source.HeightData.Height[Y, X] * dblTemp);
}
}
}
