public override HitResult Hit(HitData data)
{
var t = (Pt.Z - data.P0.Z) / data.PD.Z;
if (t < 0)
{
return(null);
}
var tx = data.P0.X + data.PD.X * t;
var ty = data.P0.Y + data.PD.Y * t;
var d = Math.Pow(Pt.X - tx, 2) + Math.Pow(Pt.Y - ty, 2);
if (d > 3)
{
return(null);
}
return(new HitResult(this, tx, ty, Pt.Z, data));
}
public override HitResult Hit(HitData data)
{
if (minx == maxx)
{
var t = (minx - data.P0.X) / data.PD.X;
if (t < 0)
{
return(null);
}
var tz = data.P0.Z + data.PD.Z * t;
var ty = data.P0.Y + data.PD.Y * t;
var d = (tz >= minz) && (ty >= miny) && (tz <= maxz) && (ty <= maxy);
if (!d)
{
return(null);
}
return(new HitResult(this, minx, ty, tz, data));
}
else
{
var tz = (minz + maxz) / 2;
var t = (tz - data.P0.Z) / data.PD.Z;
if (t < 0)
{
return(null);
}
var tx = data.P0.X + data.PD.X * t;
var ty = data.P0.Y + data.PD.Y * t;
var d = (tx >= minx) && (ty >= miny) && (tx <= maxx) && (ty <= maxy);
if (!d)
{
return(null);
}
return(new HitResult(this, tx, ty, tz, data));
}
}
//public virtual void Draw(Graphics g, Rectangle rect)
//{
// g.FillEllipse(new SolidBrush(Get()), rect);
//}
public virtual HitResult Hit(HitData data)
{
return(null);
}
public HitResult(Lit lit, float tx, float ty, float tz, HitData data)
{
this.Lit = lit;
this.Distance = Math.Sqrt(Math.Pow(data.P0.X - tx, 2) + Math.Pow(data.P0.Y - ty, 2) + Math.Pow(data.P0.Z - tz, 2));
}
