/** sets the height of a terrain area according to an array of heights.
* clip:true, only set the heights within a terrainArea, even if the array is bigger<br>
* clip:false, if the supplied array is bigger than the texture area, change heights outside of the area also
*/
public void setHeights(terrainArea area, float[,] heights, bool clip)
{
echo(3, "SetHeights(terrainArea) called ");
if (clip && (heights.GetLength(0) > area.sizeX || heights.GetLength(1) > area.sizeZ))
{
Transmute2d(area.getArray(), heights);
terdata.SetHeights(area.x, area.z, area.getArray());
}
else
{
terdata.SetHeights(area.x, area.z, heights);
}
}
/// randomly deforms a terrain area, using perlin noise.
public void randomizeArea(float minheight, float maxheight, terrainArea area, float smoothness)
{
echo(3, "randomizeArea() called ");
smoothness = (0.9888f / smoothness);
float[,] arr = area.getArray();
for (int i = 0; i <= area.sizeX; i++)
{
for (int j = 0; j <= area.sizeZ; j++)
{
arr[i, j] = ((maxheight - minheight) * (Mathf.PerlinNoise((area.x + i + randomSeed) * smoothness, (area.z + j + randomSeed) * smoothness))) + minheight;
}
}
terdata.SetHeights(area.x, area.z, arr);
}
///sets the height of a terrain area to a global world(Y-axis) height.
public void setHeightW(terrainArea area, float worldHeight)
{
echo(3, "setHeightW(terrainArea) called ");
Populate2d(area.getArray(), worldToTerrainSpace(new Vector3(0, worldHeight, 0)).y);
terdata.SetHeights(area.x, area.z, area.getArray());
}
/** sets the height of a terrain area.
* So long as (0.0f <= height >= 1.0f)
*/
public void setHeight(terrainArea area, float height)
{
echo(3, "setHeight(terrainArea) called ");
Populate2d(area.getArray(), height);
terdata.SetHeights(area.x, area.z, area.getArray());
}