public OBBox CreateConvex(Vector2[] points)
{
if (points.Length == 0)
{
Debug.LogError("No points sent!");
}
int pointCount = points.Length;
OBBox defaultBox = GetBox();
OBBox output = defaultBox;
float minArea = Mathf.Infinity;
for (int p = 0; p < pointCount; p++)
{
Vector2 p0 = points[p];
Vector2 p1 = points[(p + 1) % pointCount];
Vector2 dir = (p1 - p0).normalized;
if (dir.sqrMagnitude < Mathf.Epsilon)
{
continue; //ignore duplicate points
}
float angle = JMath.SignAngle(dir);
_bounds.Clear();
for (int o = 0; o < pointCount; o++)//encapsulate rotated points
{
_bounds.Encapsulate(JMath.Rotate(points[o], angle));
}
Vector2 center = JMath.Rotate(_bounds.center, -angle);
OBBox candidate = GetBox(center, dir, _bounds.height, JMath.Rotate(dir, 90), _bounds.width);
if (_bounds.Area() < minArea)
{
if (output != defaultBox)
{
PutBox(output);
}
output = candidate;
}
else
{
PutBox(candidate);
}
}
return(output);
}
private void CalculatePlanBounds()
{
_bounds.Clear();
int pointCount = _points.Count;
for (int p = 0; p < pointCount; p++)
{
_bounds.Encapsulate(_points[p].position.vector2);
}
}
public static float PolyAreaQuick(Vector2[] points)
{
BOUNDS.Clear();
for (int i = 0; i < points.Length; i++)
{
BOUNDS.Encapsulate(points[i]);
}
float output = BOUNDS.Area();
return(output);
}
public void ClearSegments()
{
_segments.Clear();
_bounds.Clear();
}