public void GenerateRoadPolygon(int steps)
{
if (RoadPolygons == null)
{
RoadPolygons = new Ets2Point[0];
}
if (RoadPolygons != null && RoadPolygons.Count() == steps)
{
return;
}
if (StartNode == null || EndNode == null)
{
return;
}
if (Type != Ets2ItemType.Road)
{
return;
}
var ps = new Ets2Point[steps];
var sx = StartNode.X;
var ex = EndNode.X;
var sz = StartNode.Z;
var ez = EndNode.Z;
var radius = (float)Math.Sqrt((sx - ex) * (sx - ex) + (sz - ez) * (sz - ez));
var tangentSX = (float)Math.Cos(-StartNode.Yaw) * radius;
var tangentEX = (float)Math.Cos(-EndNode.Yaw) * radius;
var tangentSZ = (float)Math.Sin(-StartNode.Yaw) * radius;
var tangentEZ = (float)Math.Sin(-EndNode.Yaw) * radius;
for (int k = 0; k < steps; k++)
{
var s = (float)k / (float)(steps - 1);
var x = (float)Ets2CurveHelper.Hermite(s, sx, ex, tangentSX, tangentEX);
var z = (float)Ets2CurveHelper.Hermite(s, sz, ez, tangentSZ, tangentEZ);
ps[k] = new Ets2Point(x, 0, z, 0);
}
RoadPolygons = ps;
}
public void GenerateRoadPolygon(int steps)
{
if (RoadPolygons == null)
{
RoadPolygons = new PointF[0];
}
if (RoadPolygons != null && RoadPolygons.Count() == steps)
{
return;
}
if (StartNode == null || EndNode == null)
{
return;
}
if (Type != Ets2ItemType.Road)
{
return;
}
var ps = new PointF[steps];
var sx = StartNode.X;
var ex = EndNode.X;
var sy = StartNode.Z;
var ey = EndNode.Z;
var radius = (float)Math.Sqrt((sx - ex) * (sx - ex) + (sy - ey) * (sy - ey));
var tangentSX = (float)Math.Cos(-StartNode.Yaw) * radius;
var tangentEX = (float)Math.Cos(-EndNode.Yaw) * radius;
var tangentSY = (float)Math.Sin(-StartNode.Yaw) * radius;
var tangentEY = (float)Math.Sin(-EndNode.Yaw) * radius;
for (int k = 0; k < steps; k++)
{
var s = (float)k / (float)(steps - 1);
var x = (float)Ets2CurveHelper.Hermite(s, sx, ex, tangentSX, tangentEX);
var y = (float)Ets2CurveHelper.Hermite(s, sy, ey, tangentSY, tangentEY);
ps[k] = new PointF(x, y);
}
RoadPolygons = ps;
}
