public void DrawAxis()
{
Vector3d p0;
Vector3d p1;
double wh = Math.Min(DC.ViewWidth, DC.ViewHeight) / 2;
//double len = DrawingConst.AxisLength;
//double arrowLen = 4.0 / DC.WorldScale;
//double arrowW2 = 2.0 / DC.WorldScale;
double len = DC.DevSizeToWoldSize(wh - AXIS_MARGIN) * DC.WorldScale;
double arrowLen = DC.DevSizeToWoldSize(16) * DC.WorldScale;
double arrowW2 = DC.DevSizeToWoldSize(8) * DC.WorldScale;
// X軸
p0 = new Vector3d(-len, 0, 0) / DC.WorldScale;
p1 = new Vector3d(len, 0, 0) / DC.WorldScale;
if (!CadMath.IsParallel(p1 - p0, (Vector3d)DC.ViewDir))
{
DrawArrow(DC.GetPen(DrawTools.PEN_AXIS_X), p0, p1, ArrowTypes.CROSS, ArrowPos.END, arrowLen, arrowW2);
}
// Y軸
p0 = new Vector3d(0, -len, 0) / DC.WorldScale;
p1 = new Vector3d(0, len, 0) / DC.WorldScale;
if (!CadMath.IsParallel(p1 - p0, (Vector3d)DC.ViewDir))
{
DrawArrow(DC.GetPen(DrawTools.PEN_AXIS_Y), p0, p1, ArrowTypes.CROSS, ArrowPos.END, arrowLen, arrowW2);
}
// Z軸
p0 = new Vector3d(0, 0, -len) / DC.WorldScale;
p1 = new Vector3d(0, 0, len) / DC.WorldScale;
if (!CadMath.IsParallel(p1 - p0, (Vector3d)DC.ViewDir))
{
DrawArrow(DC.GetPen(DrawTools.PEN_AXIS_Z), p0, p1, ArrowTypes.CROSS, ArrowPos.END, arrowLen, arrowW2);
}
}
