public Web(Graphics gfx, PointF centre, WebSpiral spiral, params PointF[] strands)
{
this.gfxPallete = gfx;
this.Centre = centre;
this.Spiral = spiral;
this.RadialThreads = strands.Select(s => new Strand(this.Centre, s)).ToArray();
foreach (PointF strand in strands)
{
gfx.DrawLine(Silk, this.Centre, strand);
}
PointF lastPoint = new PointF(centre.X, centre.Y);
float distancePerStrand = this.Spiral.LoopInterval / Convert.ToSingle(this.RadialThreads.Length);
float length = distancePerStrand;
for (int i = 0; i < this.Spiral.LoopCount; ++i)
{
for (int j = 0; j < this.RadialThreads.Length; ++j)
{
PointF nextPoint = this.RadialThreads[j].PointToLength(length);
length += distancePerStrand;
gfx.DrawLine(Silk, lastPoint, nextPoint);
lastPoint = nextPoint;
}
}
}
public Web(Graphics gfx, PointF centre, WebSpiral spiral, int strandsCount)
{
PointF northPoint = new PointF(gfx.DpiX / 2, 0);
PointF eastPoint = new PointF(gfx.DpiX, gfx.DpiY / 2);
PointF southPoint = new PointF(gfx.DpiX / 2, gfx.DpiY);
PointF westPoint = new PointF(0, gfx.DpiY / 2);
List <PointF> strands = new List <PointF>();
double angleInterval = 360.0 / strandsCount;
double targetAngle = 360.0 - (angleInterval / 2.0);
for (double currentAngle = spiral.AngleStart + (angleInterval / 2.0); currentAngle != targetAngle; currentAngle += angleInterval)
{
float x = 0;
float y = 0;
double adjustedAngle = currentAngle % 45.0;
if (currentAngle < 45 || currentAngle > 315)
{
x = gfx.DpiX;
y = ((float)Math.Tan(adjustedAngle) * gfx.DpiY);
}
else if (currentAngle > 135 && currentAngle < 225)
{
x = 0;
y = gfx.DpiY - ((float)Math.Tan(adjustedAngle) * gfx.DpiY);
}
else if (currentAngle > 45 && currentAngle < 135)
{
x = gfx.DpiX - ((float)Math.Tan(adjustedAngle) * gfx.DpiX);
y = 0;
}
else if (currentAngle > 225 && currentAngle < 315)
{
x = ((float)Math.Tan(adjustedAngle) * gfx.DpiX);
y = gfx.DpiY;
}
else
{
switch (currentAngle)
{
case 45:
x = gfx.DpiX;
y = 0;
break;
case 135:
x = 0;
y = 0;
break;
case 225:
x = 0;
y = gfx.DpiY;
break;
case 315:
x = gfx.DpiX;
y = gfx.DpiY;
break;
}
}
}
}
