protected void DrawActivePoints(OnlineMapsTileSetControl control, ref List <Vector2> activePoints, ref List <Vector3> vertices, ref List <Vector3> normals, ref List <int> triangles, ref List <Vector2> uv, float width)
{
if (activePoints.Count < 2)
{
activePoints.Clear();
return;
}
float w2 = width * 2;
Vector3 prevS1 = Vector3.zero;
Vector3 prevS2 = Vector3.zero;
int c = activePoints.Count - 1;
bool extraPointAdded = false;
for (int i = 0; i < activePoints.Count; i++)
{
float px = -activePoints[i].x;
float pz = activePoints[i].y;
Vector3 s1;
Vector3 s2;
if (i == 0 || i == c)
{
float p1x, p1z, p2x, p2z;
if (i == 0)
{
p1x = px;
p1z = pz;
p2x = -activePoints[i + 1].x;
p2z = activePoints[i + 1].y;
}
else
{
p1x = -activePoints[i - 1].x;
p1z = activePoints[i - 1].y;
p2x = px;
p2z = pz;
}
float a = OnlineMapsUtils.Angle2DRad(p1x, p1z, p2x, p2z, 90);
float offX = Mathf.Cos(a) * width;
float offZ = Mathf.Sin(a) * width;
float s1x = px + offX;
float s1z = pz + offZ;
float s2x = px - offX;
float s2z = pz - offZ;
float s1y = OnlineMapsElevationManagerBase.GetElevation(s1x, s1z, bestElevationYScale, tlx, tly, brx, bry);
float s2y = OnlineMapsElevationManagerBase.GetElevation(s2x, s2z, bestElevationYScale, tlx, tly, brx, bry);
s1 = new Vector3(s1x, s1y, s1z);
s2 = new Vector3(s2x, s2y, s2z);
}
else
{
float p1x = -activePoints[i - 1].x;
float p1z = activePoints[i - 1].y;
float p2x = -activePoints[i + 1].x;
float p2z = activePoints[i + 1].y;
float a1 = OnlineMapsUtils.Angle2DRad(p1x, p1z, px, pz, 90);
float a3 = OnlineMapsUtils.AngleOfTriangle(activePoints[i - 1], activePoints[i + 1], activePoints[i]) * Mathf.Rad2Deg;
if (a3 < 60 && !extraPointAdded)
{
activePoints.Insert(i + 1, Vector2.Lerp(activePoints[i], activePoints[i + 1], 0.001f));
activePoints[i] = Vector2.Lerp(activePoints[i], activePoints[i - 1], 0.001f);
c++;
i--;
extraPointAdded = true;
continue;
}
extraPointAdded = false;
float a2 = OnlineMapsUtils.Angle2DRad(px, pz, p2x, p2z, 90);
float off1x = Mathf.Cos(a1) * width;
float off1z = Mathf.Sin(a1) * width;
float off2x = Mathf.Cos(a2) * width;
float off2z = Mathf.Sin(a2) * width;
float p21x = px + off1x;
float p21z = pz + off1z;
float p22x = px - off1x;
float p22z = pz - off1z;
float p31x = px + off2x;
float p31z = pz + off2z;
float p32x = px - off2x;
float p32z = pz - off2z;
float is1x, is1z, is2x, is2z;
int state1 = OnlineMapsUtils.GetIntersectionPointOfTwoLines(p1x + off1x, p1z + off1z, p21x, p21z, p31x, p31z, p2x + off2x, p2z + off2z, out is1x, out is1z);
int state2 = OnlineMapsUtils.GetIntersectionPointOfTwoLines(p1x - off1x, p1z - off1z, p22x, p22z, p32x, p32z, p2x - off2x, p2z - off2z, out is2x, out is2z);
if (state1 == 1 && state2 == 1)
{
float o1x = is1x - px;
float o1z = is1z - pz;
float o2x = is2x - px;
float o2z = is2z - pz;
float m1 = Mathf.Sqrt(o1x * o1x + o1z * o1z);
float m2 = Mathf.Sqrt(o2x * o2x + o2z * o2z);
if (m1 > w2)
{
is1x = o1x / m1 * w2 + px;
is1z = o1z / m1 * w2 + pz;
}
if (m2 > w2)
{
is2x = o2x / m2 * w2 + px;
is2z = o2z / m2 * w2 + pz;
}
s1 = new Vector3(is1x, OnlineMapsElevationManagerBase.GetElevation(is1x, is1z, bestElevationYScale, tlx, tly, brx, bry), is1z);
s2 = new Vector3(is2x, OnlineMapsElevationManagerBase.GetElevation(is2x, is2z, bestElevationYScale, tlx, tly, brx, bry), is2z);
}
else
{
float po1x = p1x + off1x;
float po1z = p1z + off1z;
float po2x = p2x - off1x;
float po2z = p2z - off1z;
s1 = new Vector3(po1x, OnlineMapsElevationManagerBase.GetElevation(po1x, po1z, bestElevationYScale, tlx, tly, brx, bry), po1z);
s2 = new Vector3(po2x, OnlineMapsElevationManagerBase.GetElevation(po2x, po2z, bestElevationYScale, tlx, tly, brx, bry), po2z);
}
}
if (i > 0)
{
AddLineSegment(vertices, normals, triangles, uv, s1, s2, prevS1, prevS2);
}
prevS1 = s1;
prevS2 = s2;
}
activePoints.Clear();
}