public static float DrawCircle(PolyLine line, Vector3 center, float radius, Color color, Vector3[] corners, List <Terrain> terrains, List <Rect> terrainRects, Transform parent = null)
/// It will return an average height BTW almost for free :)
{
int numCorners = corners.Length;
float step = 360f / (numCorners - 1);
Terrain prevTerrain = null;
Rect prevRect = new Rect();
for (int i = 0; i < corners.Length; i++)
{
//corner initial position
Vector3 corner = new Vector3(Mathf.Sin(step * i * Mathf.Deg2Rad), 0, Mathf.Cos(step * i * Mathf.Deg2Rad)) * radius + center;
//checking if the corner lays within the same terrain first
Terrain terrain = null;
if (prevRect.Contains(new Vector2(corner.x, corner.z)))
{
terrain = prevTerrain;
}
//finding proper terrain in all terrains in it's not in rect
else
{
int rectsCount = terrainRects.Count;
for (int r = 0; r < rectsCount; r++)
{
if (terrainRects[r].Contains(new Vector2(corner.x, corner.z)))
{
terrain = terrains[r];
prevTerrain = terrains[r];
prevRect = terrainRects[r];
break;
}
}
}
//sampling height
corners[i] = corner;
if (terrain != null)
{
corners[i].y = terrain.SampleHeight(corner);
}
}
line.DrawLine(corners, color, lineThickness, zMode: PolyLine.ZMode.Overlay, offset: 0, parent: parent);
//Handles.DrawAAPolyLine(lineThickness, corners);
//adjusting center height
float heightSum = 0;
for (int i = 0; i < corners.Length; i++)
{
heightSum += corners[i].y;
}
return(heightSum / (corners.Length - 1));
}
