public IEnumerable <PointRadius> GetPathBetweenIndex(int i0, int i1)
{
var points = new List <PointRadius>();
points.Add(new PointRadius()
{
Point = new Vector3(Center.X, Center.Y, 0),
Color = StartColor
});
for (int i = i0 + 1; i < i1; i++)
{
var prev = (SLOTS + i - 1) % SLOTS;
Vector3 p0;
Vector3 p1;
{
var ray = s_rays[i];
var slot = m_slots[prev];
var x = ray.X * slot.Radius + Center.X;
var y = ray.Y * slot.Radius + Center.Y;
p0 = new Vector3(x, y, 0);
}
{
var ray = s_rays[i];
var slot = m_slots[i];
var x = ray.X * slot.Radius + Center.X;
var y = ray.Y * slot.Radius + Center.Y;
p1 = new Vector3(x, y, 0);
}
if (p0 != p1)
{
points.Add(new PointRadius()
{
Point = p0,
Color = Color4ub.Mix(StartColor, EndColor, (m_slots[prev].Radius / Radius))
});
points.Add(new PointRadius()
{
Point = p1,
Color = Color4ub.Mix(StartColor, EndColor, (m_slots[i].Radius / Radius))
});
}
else
{
points.Add(new PointRadius()
{
Point = p0,
Color = Color4ub.Mix(StartColor, EndColor, (m_slots[prev].Radius / Radius))
});
}
}
return(points);
}
public IEnumerable <PointRadius> GetPath()
{
var points = new List <PointRadius>();
points.Add(new PointRadius()
{
Point = new Vector3(Center.X, Center.Y, 0),
Color = StartColor
});
var i0 = 0;
var i1 = SLOTS;
if (Angle < PI_2)
{
i0 = (int)(Math.Floor(((StartAngle + PI_2) % PI_2) / SLOT_ANGLE));
i1 = (int)(Math.Ceiling(((StartAngle + Angle + PI_2) % PI_2) / SLOT_ANGLE));
}
for (int i = i0; i < i1; i++)
{
var prev = (SLOTS + i - 1) % SLOTS;
if (m_slots[i].Segment != m_slots[prev].Segment)
{
Vector3 p0;
Vector3 p1;
{
var ray = s_rays[i];
var slot = m_slots[prev];
var x = ray.X * slot.Radius + Center.X;
var y = ray.Y * slot.Radius + Center.Y;
p0 = new Vector3(x, y, 0);
}
{
var ray = s_rays[i];
var slot = m_slots[i];
var x = ray.X * slot.Radius + Center.X;
var y = ray.Y * slot.Radius + Center.Y;
p1 = new Vector3(x, y, 0);
}
if (p0 != p1)
{
points.Add(new PointRadius()
{
Point = p0,
Color = Color4ub.Mix(StartColor, EndColor, (m_slots[prev].Radius / Radius))
});
points.Add(new PointRadius()
{
Point = p1,
Color = Color4ub.Mix(StartColor, EndColor, (m_slots[i].Radius / Radius))
});
}
else
{
points.Add(new PointRadius()
{
Point = p0,
Color = Color4ub.Mix(StartColor, EndColor, (m_slots[prev].Radius / Radius))
});
}
}
}
if (Angle >= PI_2)
{
points.Add(points[1]);
}
return(points);
}
