private void DrawPlane_MouseMove(object sender, MouseEventArgs e)
{
switch (MouseState)
{
case MouseButtons.None:
Point mpos = e.Location;
mpos.X -= DrawCenter.X;
mpos.Y -= DrawCenter.Y;
Point sid = new Point((int)Math.Round((decimal)mpos.X / UnitSizeNUD.Value), (int)Math.Round((decimal)mpos.Y / UnitSizeNUD.Value));
if (sid != FocusID)
{
FocusID = sid;
MousePos = e.Location;
DrawPlane.Refresh();
}
break;
case MouseButtons.Middle:
Point diff = e.Location - new Size(MousePos);
DrawCenter += new Size(diff);
MousePos = e.Location;
DrawPlane.Refresh();
break;
}
}
public Task <bool> CircleAsync(DrawPlane plane, double radius, int stepCount = 64, bool doLog = true)
{
return(Task.FromResult(CommandAsync(new Func <bool>(() => Circle(plane, radius, stepCount, doLog)))));
}
public bool Circle(DrawPlane plane, double radius, int stepCount = 64, bool doLog = true)
{
if (doLog)
{
OnMessageCall($"Drawing circle. Radius: {radius}");
}
double circleLength = radius * 2 * Math.PI;
double stepLength = circleLength / stepCount;
return
(stepOut() &&
drawCircle() &&
stepIn());
bool stepOut()
{
switch (plane)
{
case DrawPlane.XY:
if (!OffsetMove(0, 0, 5.0) ||
!OffsetMove(-radius, 0, 0) ||
!OffsetMove(0, 0, -5.0))
{
return(false);
}
break;
case DrawPlane.YZ:
if (!OffsetMove(-5.0, 0, 0) ||
!OffsetMove(0, 0, -radius) ||
!OffsetMove(5.0, 0, 0))
{
return(false);
}
break;
case DrawPlane.XZ:
if (!OffsetMove(0, -5.0, 0) ||
!OffsetMove(-radius, 0, 0) ||
!OffsetMove(0, 5.0, 0))
{
return(false);
}
break;
}
return(true);
}
bool stepIn()
{
switch (plane)
{
case DrawPlane.XY:
if (!OffsetMove(0, 0, 5.0) ||
!OffsetMove(radius, 0, 0) ||
!OffsetMove(0, 0, -5.0))
{
return(false);
}
break;
case DrawPlane.YZ:
if (!OffsetMove(-5.0, 0, 0) ||
!OffsetMove(0, 0, radius) ||
!OffsetMove(5.0, 0, 0))
{
return(false);
}
break;
case DrawPlane.XZ:
if (!OffsetMove(0, -5.0, 0) ||
!OffsetMove(radius, 0, 0) ||
!OffsetMove(0, 5.0, 0))
{
return(false);
}
break;
}
return(true);
}
bool drawCircle()
{
for (int i = 0; i < stepCount; i++)
{
double angle = 2 * Math.PI * i / stepCount;
switch (plane)
{
case DrawPlane.XY:
if (!OffsetMove(Math.Sin(angle) * stepLength, Math.Cos(angle) * stepLength, 0))
{
return(false);
}
break;
case DrawPlane.YZ:
if (!OffsetMove(0, Math.Cos(angle) * stepLength, Math.Sin(angle) * stepLength))
{
return(false);
}
break;
case DrawPlane.XZ:
if (!OffsetMove(Math.Sin(angle) * stepLength, 0, Math.Cos(angle) * stepLength))
{
return(false);
}
break;
}
}
return(true);
}
}
