public static (float[], int[]) GetBisectedThetaValues(IPoly polygon, int index)
{
Vector3 center = polygon.GetPoint(index);
Vector3 left = polygon.GetPointWrapped(index - 1);
Vector3 right = polygon.GetPointWrapped(index + 1);
Vector3 biSect = Vector3.Lerp((left - center).normalized, (right - center).normalized, 0.5f).normalized;
int[] indicies = new int[polygon.Resolution - 1];
float[] tValues = new float[polygon.Resolution - 1];
for (int i = 0; i < polygon.Resolution; i++)
{
if (i < index)
{
indicies[i] = i;
tValues[i] = Vector3.Dot(biSect, (polygon.GetPoint(i) - center).normalized);
}
else if (i == index)
{
continue;
}
else
{
indicies[i - 1] = i;
tValues[i - 1] = Vector3.Dot(biSect, (polygon.GetPoint(i) - center).normalized);
}
}
Array.Sort(tValues, indicies);
return(tValues, indicies);
}
public static bool IsEdgeIntersectingPolygon(IPoly polygon, Vector3 point1, Vector3 point2)
{
for (int i = 0; i < polygon.Resolution; i++)
{
Vector3 a = polygon.GetPoint(i);
Vector3 b = polygon.GetPointWrapped(i + 1);
if ((point1 - a).sqrMagnitude < 0.0001f)
{
continue;
}
if ((point1 - b).sqrMagnitude < 0.0001f)
{
continue;
}
if ((point2 - a).sqrMagnitude < 0.0001f)
{
continue;
}
if ((point2 - b).sqrMagnitude < 0.0001f)
{
continue;
}
if (Math3d.AreLineSegmentsCrossing(a, b, point1, point2))
{
return(true);
}
}
return(false);
}