private static bool IsCrashed_Multi_Multi(DDCrash a, DDCrash b)
{
//if (a.Kind != Kind_e.MULTI) throw null; // never
//if (b.Kind != Kind_e.MULTI) throw null; // never
foreach (DDCrash ac in a.Cs)
{
foreach (DDCrash bc in b.Cs)
{
if (IsCrashed(ac, bc))
{
return(true);
}
}
}
return(false);
}
private static bool IsCrashed_Any_Multi(DDCrash a, DDCrash b)
{
//if (b.Kind != Kind_e.MULTI) throw null; // never
if (a.Kind == Kind_e.MULTI)
{
return(IsCrashed_Multi_Multi(a, b));
}
foreach (DDCrash crash in b.Cs)
{
if (IsCrashed(a, crash))
{
return(true);
}
}
return(false);
}
public static bool IsCrashed(DDCrash a, DDCrash b)
{
if ((int)b.Kind < (int)a.Kind)
{
DDCrash tmp = a;
a = b;
b = tmp;
}
if (a.Kind == Kind_e.NONE)
{
return(false);
}
if (b.Kind == Kind_e.MULTI)
{
return(IsCrashed_Any_Multi(a, b));
}
if (a.Kind == Kind_e.POINT)
{
if (b.Kind == Kind_e.POINT)
{
return(false);
}
if (b.Kind == Kind_e.CIRCLE)
{
return(DDUtils.IsCrashed_Circle_Point(b.Pt, b.R, a.Pt));
}
if (b.Kind == Kind_e.RECT)
{
return(DDUtils.IsCrashed_Rect_Point(b.Rect, a.Pt));
}
if (b.Kind == Kind_e.MULTI)
{
throw new DDError();
}
}
if (a.Kind == Kind_e.CIRCLE)
{
if (b.Kind == Kind_e.CIRCLE)
{
return(DDUtils.IsCrashed_Circle_Circle(a.Pt, a.R, b.Pt, b.R));
}
if (b.Kind == Kind_e.RECT)
{
return(DDUtils.IsCrashed_Circle_Rect(a.Pt, a.R, b.Rect));
}
throw new DDError();
}
if (a.Kind == Kind_e.RECT)
{
if (b.Kind == Kind_e.RECT)
{
return(DDUtils.IsCrashed_Rect_Rect(a.Rect, b.Rect));
}
throw new DDError();
}
throw new DDError();
}
public bool IsCrashed(DDCrash other)
{
return(DDCrashUtils.IsCrashed(this, other));
}
public void Draw(DDCrash crash, I3Color color)
{
Draw(new DDCrash[] { crash }, color);
}
public void Draw(DDCrash crash)
{
Draw(new DDCrash[] { crash });
}