public static SPoint SymmetryPoint(SPoint Point_, SLine Line_)
{
SPoint PointVector = Point_.Sub(Line_.Point0);
var NewTheta = (Mathf.Atan2(PointVector.Y, PointVector.X) - 2.0f * ThetaOfTwoVectors(PointVector, Line_.Point1.Sub(Line_.Point0)));
var Radius = Mathf.Sqrt(PointVector.X * PointVector.X + PointVector.Y * PointVector.Y);
return(new SPoint(Mathf.Cos(NewTheta) * Radius, Mathf.Sin(NewTheta) * Radius).Add(Line_.Point0));
}
public static bool IsOverlappedPointPointRect(SPoint Point_, SPointRect PointRect_)
{
return(
CBase.ThetaOfTwoVectors(PointRect_.TopLeft.Sub(PointRect_.TopRight), Point_.Sub(PointRect_.TopRight)) < 0.0 &&
CBase.ThetaOfTwoVectors(PointRect_.BottomLeft.Sub(PointRect_.TopLeft), Point_.Sub(PointRect_.TopLeft)) < 0.0 &&
CBase.ThetaOfTwoVectors(PointRect_.BottomRight.Sub(PointRect_.BottomLeft), Point_.Sub(PointRect_.BottomLeft)) < 0.0 &&
CBase.ThetaOfTwoVectors(PointRect_.TopRight.Sub(PointRect_.BottomRight), Point_.Sub(PointRect_.BottomRight)) < 0.0);
}