public void Erase(int stroke, List <int> points)
{
#if UNITY_ASSERTIONS
Assert.IsTrue(stroke >= 0 && stroke < strokes.Count);
#endif
/*// erasing from the ends, just remove points
* if ((point == 0) || point == strokes[stroke].points.Count-1)
* {
* strokes[stroke].points.RemoveAt (point);
* return;
* }
*
* // erasing from the middle, split the stroke
* GreasePencilStroke newStroke = new GreasePencilStroke ();
*
* strokes[stroke].points.RemoveAt (point);
*
* for (int i=point; i<strokes[stroke].points.Count; ++i)
* {
* newStroke.Add (strokes[stroke].points[i]);
* }
*
* for (int i=point; i<strokes[stroke].points.Count; ++i)
* {
* strokes[stroke].points.RemoveAt (point);
* }
*
* strokes.Add (newStroke);*/
GreasePencilStroke oldStroke = strokes[stroke];
GreasePencilStroke newStroke = null;
List <GreasePencilStroke> newStrokes = new List <GreasePencilStroke> ();
for (int i = 0; i < oldStroke.points.Count; ++i)
{
if (!points.Contains(i))
{
if (newStroke == null)
{
newStroke = new GreasePencilStroke();
newStrokes.Add(newStroke);
}
newStroke.Add(oldStroke.points[i]);
}
else if (newStroke != null)
{
newStroke = null;
}
}
if (newStrokes.Count > 0)
{
strokes[stroke] = newStrokes[0];
for (int i = 1; i < newStrokes.Count; ++i)
{
strokes.Add(newStrokes[i]);
}
}
else
{
strokes[stroke].Clear();
}
newStrokes.RemoveAll(s => s.IsEmpty);
}
public void StartStroke(Vector3 position, float worldSize)
{
currentStroke = new GreasePencilStroke(position);
strokes.Add(currentStroke);
_worldSize = worldSize;
}
