public zz2DPoint(zzPainterPoint painterPoint)
{
autoCheckConvex = true;
Vector3 lPos = painterPoint.transform.position;
mPosition.x = lPos.x;
mPosition.y = lPos.y;
used = false;
mDiagonals = new List<zz2DLine>();
painterPoint.pointInfo = this;
}
public void addShape(zzPainterPoint[] points)
{
if (points.Length < 3)
return;
zz2DPoint lFirstPoint = new zz2DPoint(points[0]);
mPoints.Add(lFirstPoint);
zz2DPoint lPrePoint = addPoint(points[1], lFirstPoint);
for (int i = 2; i < points.Length; ++i)
{
zz2DPoint lNewPoint = addPoint(points[i], lPrePoint);
//若新的点在之前的线右边,则之前的角为凸角;
//zz2DPoint.LeftOrRight(
//lPrePoint.previousPoint.position,
//lPrePoint.position,
//lNewPoint.position) < 0;//lPrePoint's next point is lNewPoint
lPrePoint = lNewPoint;
}
zz2DPoint lLastPoint = lPrePoint;
zz2DLine lLastLine = new zz2DLine(lPrePoint, lFirstPoint);
mLines.Add(lLastLine);
//lLastPoint.convexAngle = zz2DPoint.LeftOrRight(
// lLastPoint.previousPoint.position,
// lLastPoint.position,
// lLastPoint.nextPoint.position) < 0;
//lFirstPoint.convexAngle = zz2DPoint.LeftOrRight(
// lFirstPoint.previousPoint.position,
// lFirstPoint.position,
// lFirstPoint.nextPoint.position) < 0;
//sortPoint(mPoints);
}
private zz2DPoint addPoint(zzPainterPoint pointPos, zz2DPoint lPrePoint)
{
zz2DPoint lPoint = new zz2DPoint(pointPos);
mPoints.Add(lPoint);
zz2DLine lLine = new zz2DLine(lPrePoint, lPoint);
mLines.Add(lLine);
lPrePoint = lPoint;
return lPoint;
}
public static zzSimplyPolygon toPolygon(zzPainterPoint pPoint)
{
zzSimplyPolygon lOut = new zzSimplyPolygon();
List<Vector2> lPoints = new List<Vector2>();
zzPainterPoint lNowPoint = pPoint;
do
{
Vector3 l3DPoint = lNowPoint.transform.position;
lPoints.Add(new Vector2(l3DPoint.x, l3DPoint.y));
lNowPoint = lNowPoint.nextPoint;
}
while (lNowPoint != pPoint);
lOut.setShape(lPoints.ToArray());
return lOut;
}
