public override bool Paint(float dt, IPaintable canvas, IGridManager gridManager, Painter.InputState inputState, float minVal, float maxVal, Rect rect, Matrix4x4 TRS)
{
bool dirty = false;
var pos = inputState.GridPosition;
var baseCell = gridManager.GetCell(pos);
int stealCells = 2;
float stolenValue = 0;
for (var i = -stealCells; i <= stealCells; i += 1)
{
for (var j = -stealCells; j <= stealCells; j += 1)
{
if (i == 0 && j == 0)
{
continue;
}
var offset = gridManager.GetOffset(i, j);
var value = canvas.GetValue(baseCell + offset);
if (value <= 0)
{
continue;
}
var stealAmount = Mathf.Min(value, Strength);
stolenValue += stealAmount;
canvas.SetValue(baseCell + offset, value - stealAmount);
dirty = true;
}
}
canvas.SetValue(baseCell, canvas.GetValue(baseCell) + stolenValue);
return(dirty);
}