private void Paint()
{
Paintable[] paintables = FindObjectsOfType <Paintable>();
float closestDistance = float.MaxValue;
Paintable closestPaintable = null;
foreach (Paintable paintable in paintables)
{
float dist = (paintable.transform.position - PaintTipPosition).sqrMagnitude;
if (dist < closestDistance && dist < paintBrushRadius * paintBrushRadius)
{
closestDistance = dist;
closestPaintable = paintable;
}
}
//paint the thingy
if (closestPaintable)
{
closestPaintable.Paint(Color);
}
}