public static List <Vector2> Generate2DArcBorderPoints(Vector2 arcOrigin, Vector2 arcStartPoint, float degreesFromStart, bool forceShortestArc, int numPoints)
{
if (numPoints < 2)
{
return(new List <Vector2>());
}
var arcPoints = new List <Vector2>(numPoints);
degreesFromStart %= 360.0f;
Vector2 toStartPt = (arcStartPoint - arcOrigin);
Quaternion rotation = Quaternion.AngleAxis(degreesFromStart, Vector3.forward);
float arcRadius = toStartPt.magnitude;
toStartPt.Normalize();
if (forceShortestArc)
{
degreesFromStart = ArcMath.ConvertToSh2DArcAngle(arcOrigin, arcStartPoint, degreesFromStart);
}
float angleStep = degreesFromStart / (numPoints - 1);
for (int ptIndex = 0; ptIndex < numPoints; ++ptIndex)
{
float angle = ptIndex * angleStep;
rotation = Quaternion.AngleAxis(angle, Vector3.forward);
Vector2 rotatedAxis = (rotation * toStartPt).normalized;
arcPoints.Add(arcOrigin + rotatedAxis * arcRadius);
}
return(arcPoints);
}
public static bool ShArcContains2DPoint(Vector2 point, Vector2 arcOrigin, Vector2 arcStartPoint, float degreesFromStart, ArcEpsilon epsilon = new ArcEpsilon())
{
degreesFromStart = ArcMath.ConvertToSh2DArcAngle(arcOrigin, arcStartPoint, degreesFromStart);
epsilon.ExtrudeEps = 0.0f;
return(ShArcContains3DPoint(point.ToVector3(), false, arcOrigin.ToVector3(), arcStartPoint.ToVector3(), Vector3.forward, degreesFromStart, epsilon));
}