void ModuleUpdateAngle()
{
Vertex VtxA = VA.GetComponent <Vertex>(); // 対象となる点A
Vertex VtxB = VB.GetComponent <Vertex>(); // 対象となる点B
Vertex VtxC = VC.GetComponent <Vertex>(); // 対象となる点C
float FinalAngle = Mathf.Abs(ParaA * Mathf.PI / 180f); // 対象となる角
HypPoint PA = new HypPoint(VtxA.XY);
HypPoint PB = new HypPoint(VtxB.XY);
HypPoint PC = new HypPoint(VtxC.XY);
HypPoint PO = new HypPoint(0, 0);
// Bを原点に移す写像を求める。
HypLine LA = HTransform.GetHBisectorOfTwoPoints(PB, PO);
HypPoint PAA = HTransform.GetInversionAlongHLine(LA, PA);
HypPoint PCC = HTransform.GetInversionAlongHLine(LA, PC);
//角ABCを求める
float DeclineA = Mathf.Atan2(PAA.GetY(), PAA.GetX());
float DeclineC = Mathf.Atan2(PCC.GetY(), PCC.GetX());
float AngleAC = DeclineC - DeclineA;
if (AngleAC > Mathf.PI)
{
AngleAC -= (Mathf.PI * 2f);
}
if (AngleAC < -Mathf.PI)
{
AngleAC += (Mathf.PI * 2f);
}
// 修正する角度をもとめる。
float error = (AngleAC - FinalAngle) * 0.1f;
if (AngleAC < 0)
{
error = (AngleAC + FinalAngle) * 0.1f;
}
//今一度点の取り直し。
{//線分ABのとりなおし
PA = new HypPoint(VtxA.XY);
PB = new HypPoint(VtxB.XY);
HypPoint PM = HTransform.GetMidPointOfTwoPoint(PA, PB);
LA = HTransform.GetHBisectorOfTwoPoints(PM, PO);
HypPoint PPA = HTransform.GetInversionAlongHLine(LA, PA);
HypPoint PPB = HTransform.GetInversionAlongHLine(LA, PB);
HypPoint NewPPA = HTransform.GetRotationOfPoint(PO, error, PPA);
HypPoint NewPPB = HTransform.GetRotationOfPoint(PO, error, PPB);
HypPoint NewPA = HTransform.GetInversionAlongHLine(LA, NewPPA);
HypPoint NewPB = HTransform.GetInversionAlongHLine(LA, NewPPB);
if (!VtxA.Fixed && NewPA.InWorld())
{
VtxA.XY.x = NewPA.GetX();
VtxA.XY.y = NewPA.GetY();
}
if (!VtxB.Fixed && NewPB.InWorld())
{
VtxB.XY.x = NewPB.GetX();
VtxB.XY.y = NewPB.GetY();
}
}
{//線分BCの取り直し
PC = new HypPoint(VtxC.XY);
PB = new HypPoint(VtxB.XY);
HypPoint PM = HTransform.GetMidPointOfTwoPoint(PC, PB);
LA = HTransform.GetHBisectorOfTwoPoints(PM, PO);
HypPoint PPC = HTransform.GetInversionAlongHLine(LA, PC);
HypPoint PPB = HTransform.GetInversionAlongHLine(LA, PB);
HypPoint NewPPC = HTransform.GetRotationOfPoint(PO, -error, PPC);
HypPoint NewPPB = HTransform.GetRotationOfPoint(PO, -error, PPB);
HypPoint NewPC = HTransform.GetInversionAlongHLine(LA, NewPPC);
HypPoint NewPB = HTransform.GetInversionAlongHLine(LA, NewPPB);
if (!VtxC.Fixed && NewPC.InWorld())
{
VtxC.XY.x = NewPC.GetX();
VtxC.XY.y = NewPC.GetY();
}
if (!VtxB.Fixed && NewPB.InWorld())
{
VtxB.XY.x = NewPB.GetX();
VtxB.XY.y = NewPB.GetY();
}
}
}
