/// <summary>
/// Me guardo la altura del primer vertice.
/// </summary>
/// <param name="terrain"></param>
public override void beginEdition(SmartTerrain terrain)
{
base.beginEdition(terrain);
Vector2 coords;
if (terrain.xzToHeightmapCoords(Position.X, Position.Z, out coords))
terrain.interpoledIntensity(coords.X, coords.Y, out level);
}
/// <summary>
/// Me guardo la altura del primer vertice.
/// </summary>
/// <param name="terrain"></param>
public override void beginEdition(SmartTerrain terrain)
{
base.beginEdition(terrain);
TGCVector2 coords;
if (terrain.xzToHeightmapCoords(Position.X, Position.Z, out coords))
{
terrain.interpoledIntensity(coords.X, coords.Y, out level);
}
}
public virtual bool editTerrain(float elapsedTime)
{
var speed = elapsedTime * getSpeedAdjustment();
if (Invert)
{
speed *= -1;
}
var radius = Radius / terrain.ScaleXZ;
var innerRadius = radius * (Hardness / 100);
var radius2 = FastMath.Pow2(radius);
var innerRadius2 = FastMath.Pow2(innerRadius);
TGCVector2 coords;
var heightmapData = terrain.HeightmapData;
var changed = false;
if (!terrain.xzToHeightmapCoords(Position.X, Position.Z, out coords))
{
return(false);
}
//Calculo un cuadrado alrededor del vertice seleccionado
int[] min = { (int)FastMath.Ceiling(coords.X - radius), (int)FastMath.Ceiling(coords.Y - radius) };
float[] max = { coords.X + radius, coords.Y + radius };
for (var i = 0; i < 2; i++)
{
if (min[i] < 0)
{
min[i] = 0;
}
if (max[i] > heightmapData.GetLength(i))
{
max[i] = heightmapData.GetLength(i);
}
}
for (var i = min[0]; i < max[0]; i++)
{
for (var j = min[1]; j < max[1]; j++)
{
var dx = i - coords.X;
var dz = j - coords.Y;
var d2 = FastMath.Pow2(dx) + FastMath.Pow2(dz);
//Si es cuadrado o el vertice esta dentro del circulo
if (!Rounded || d2 <= radius2)
{
var intensity = intensityFor(heightmapData, i, j);
if (intensity != 0)
{
if (Hardness != 100)
{
//Si esta entre el circulo/cuadrado interno, disminuyo la intensidad.
if (Rounded)
{
var outterIntensity = intensity * (1 - d2 / radius2);
if (d2 > innerRadius2)
{
intensity = outterIntensity;
}
else
{
var alpha = 1 - d2 / innerRadius2;
intensity = outterIntensity + alpha * (intensity - outterIntensity);
}
}
else
{
var maxD = FastMath.Max(FastMath.Abs(dx), FastMath.Abs(dz));
if (maxD > innerRadius)
{
intensity = intensity * (1 - (maxD - innerRadius) / (radius - innerRadius));
}
}
}
var newHeight = FastMath.Max(0, FastMath.Min(heightmapData[i, j] + intensity * speed, 255));
if (heightmapData[i, j] != newHeight)
{
heightmapData[i, j] = newHeight;
changed = true;
}
}
}
}
}
if (changed)
{
terrain.setHeightmapData(heightmapData);
float y;
terrain.interpoledHeight(bBrush.Position.X, bBrush.Position.Z, out y);
bBrush.Position = new TGCVector3(bBrush.Position.X, y + 50, bBrush.Position.Z);
}
return(changed);
}