public void Paint(HeightField field, int x, int y, float intensity, out FieldSelection brushArea)
{
brushArea = new FieldSelection(x - Width / 2 - Width % 2, y - Height / 2 - Height % 2, Width, Height);
if (sample != null && blend != null)
{
for (int _x = brushArea.Left; _x < brushArea.Right; _x++)
{
for (int _y = brushArea.Top; _y < brushArea.Bottom; _y++)
{
float data;
if (field.TryGetHeight(_x, _y, out data))
{
float shape = sample(_x, _y, intensity * Power, brushArea.Left, brushArea.Right, brushArea.Top, brushArea.Bottom);
field[_x, _y] = blend(data, shape);
}
}
}
}
}
public void Paint(HeightField field, int x, int y, float intensity, out FieldSelection brushArea, out float[] previousData)
{
brushArea = new FieldSelection(x - width / 2 - width % 2, y - height / 2 - height % 2, width, height);
previousData = new float[width * height];
if (sample != null && blend != null)
{
for (int _x = brushArea.Left; _x < brushArea.Right; _x++)
{
for (int _y = brushArea.Top; _y < brushArea.Bottom; _y++)
{
float data;
if (field.TryGetHeight(_x, _y, out data))
{
previousData[(_y - brushArea.Top) * width + (_x - brushArea.Left)] = data;
double shape = sample(_x, _y, intensity * Power, brushArea.Left, brushArea.Right, brushArea.Top, brushArea.Bottom);
field[_x, _y] = (float)blend(data, shape);
}
}
}
}
}
