public override float operate(float[,] map, TerrainModifierData data, int x, int y)
{
float factor = this.computeBevel(data, x, y);
float result = Math.Min(data.elevation - (data.elevation - data.bevelevation) * factor, map[x, y]);
return(result);
}
public override float operate(float[,] map, TerrainModifierData data, int x, int y)
{
float factor = this.computeBevel(data, x, y);
float noise = (float)TerrainUtil.PerlinNoise2D((double)x / map.GetLength(0), (double)y / map.GetLength(1), 8, 1.0);
return(map[x, y] + (data.elevation - (data.elevation - data.bevelevation) * factor) * (noise - .5f));
}
public override double operate(double[,] map, TerrainModifierData data, int x, int y)
{
double factor = this.computeBevel(data, x, y);
double result = map[x, y] - (data.elevation - (data.elevation - data.bevelevation) * factor);
return(result);
}
public override float operate(float[,] map, TerrainModifierData data, int x, int y)
{
float[] scale = new float[3];
scale[0] = data.elevation;
scale[1] = ((1.0f - scale[0]) * data.bevelevation) / 8.0f;
scale[2] = ((1.0f - scale[0]) * (1.0f - data.bevelevation)) / 16.0f;
int xMax = map.GetLength(0);
int yMax = map.GetLength(1);
float result;
if ((x == 0) || (y == 0) || (x == (xMax - 1)) || (y == (yMax - 1)))
{
result = map[x, y];
}
else
{
result = 0.0f;
for (int yPos = (y - 2); yPos < (y + 3); yPos++)
{
int yVal = (yPos <= 0) ? 0 : ((yPos < yMax) ? yPos : yMax - 1);
for (int xPos = (x - 2); xPos < (x + 3); xPos++)
{
int xVal = (xPos <= 0) ? 0 : ((xPos < xMax) ? xPos : xMax - 1);
int dist = Math.Max(Math.Abs(x - xVal), Math.Abs(y - yVal));
result += map[xVal, yVal] * scale[dist];
}
}
}
return(result);
}
