private VertexPoint WithinBounds(double PointX, double PointY)
{
VertexPoint NearestBorder = new VertexPoint();
NearestBorder.x = PointX;
NearestBorder.y = PointY;
if (PointX > MaxX)
{
NearestBorder.x = MaxX;
}
if (PointX < 0)
{
NearestBorder.x = 0;
}
if (PointY > MaxY)
{
NearestBorder.y = MaxY;
}
if (PointY < 0)
{
NearestBorder.y = 0;
}
return(NearestBorder);
}
public List <VertexPoint> GetPolySpiralPoints(double StartX, double StartY, double AngleIncrement, double Length, int Revolutions, int PartOfPattern, string StopAt, double IncrementSide)
{
bool FinishBorder = false;
List <VertexPoint> points = new List <VertexPoint>();
VertexPoint StartPoint = new VertexPoint();
VertexPoint LastValid = new VertexPoint();
StartPoint.x = StartX;
StartPoint.y = StartY;
StartPoint.PartOfPattern = PartOfPattern;
StartPoint.PatternType = "Spiral";
double x1 = StartX;
double y1 = StartY;
double angle = AngleIncrement;
for (int i = 0; i < Revolutions; i++)
{
double x2 = x1 + Math.Cos(angle) * Length;
double y2 = y1 - Math.Sin(angle) * Length;
x1 = x2;
y1 = y2;
Length += IncrementSide;
angle = (angle + AngleIncrement) % (Math.PI * 2);
VertexPoint vp = new VertexPoint();
vp.x = x1;
vp.y = y1;
if ((LastValid.x != vp.x) && (LastValid.y != vp.y))
{
LastValid = WithinBounds(vp.x, vp.y);
LastValid.PartOfPattern = PartOfPattern;
LastValid.PatternType = "PolySpiral";
points.Add(LastValid);
if (FinishBorder)
{
if (IsNearBorder(vp, vp, StartPoint, StopAt))
{
break;
}
}
}
}
return(points);
}
private bool RemovePoint(double x, double y)
{
bool FoundElement = false;
for (int i = AllPoints.Count - 1; i >= 0; i--)
{
VertexPoint vp = AllPoints[i];
if ((vp.x == x) && (vp.y == y))
{
AllPoints.RemoveAt(i);
FoundElement = true;
}
}
return(FoundElement);
}
public List <VertexPoint> GetTurtleOffset(double StartX, double StartY, double Angle, double OffsetLengthX, double OffsetLengthY, int PartOfPattern)
{
double DrawAngle = 0;
if (Angle <= 180)
{
DrawAngle = 180 - Angle;
}
else
{
DrawAngle = 360 - (Angle - 180);
}
List <VertexPoint> points = new List <VertexPoint>();
VertexPoint StartPoint = new VertexPoint();
VertexPoint LastValid = new VertexPoint();
StartPoint.x = StartX;
StartPoint.y = StartY;
StartPoint.PartOfPattern = PartOfPattern;
StartPoint.PatternType = "Turtle Offset";
double AngleRadians = DrawAngle * Math.PI / 180;
double NewX = StartX + (OffsetLengthX * Math.Sin(AngleRadians));
double NewY = StartY + (OffsetLengthY * Math.Cos(AngleRadians));
VertexPoint vp = new VertexPoint();
vp.x = NewX;
vp.y = NewY;
if ((LastValid.x != vp.x) && (LastValid.y != vp.y))
{
LastValid = WithinBounds(vp.x, vp.y);
LastValid.PartOfPattern = PartOfPattern;
LastValid.PatternType = "Turtle Forward";
points.Add(LastValid);
}
return(points);
}
public List <VertexPoint> GetWiperUpDown(double StartX, double StartY, double Offset, int PartOfPattern)
{
List <VertexPoint> points = new List <VertexPoint>();
double CurX = 0;
double CurY = 0;
CurX = StartX;
CurY = StartY;
while (CurX <= MaxX)
{
VertexPoint vp = new VertexPoint();
if (MaxY > CurY)
{
vp.y = MaxY;
CurY = MaxY;
}
else
{
CurY = 0;
}
vp.x = CurX;
vp.PartOfPattern = PartOfPattern;
vp.PatternType = "Wiper";
points.Add(vp);
CurX += Offset;
VertexPoint vpOffset = new VertexPoint();
vpOffset.y = CurY;
vpOffset.x = CurX;
vpOffset.PartOfPattern = PartOfPattern;
vpOffset.PatternType = "Wiper";
points.Add(vpOffset);
}
return(points);
}
public List <VertexPoint> PolygonPoints(double StartX, double StartY, int NumberOfSides, double Length, int PartOfPattern)
{
List <VertexPoint> points = new List <VertexPoint>();
VertexPoint LastValid = new VertexPoint();
for (int i = 0; i <= NumberOfSides; i++)
{
double Angle = Math.PI * 2.0 / NumberOfSides * (0.5 + i);
VertexPoint vp = new VertexPoint();
vp.x = StartX + (Length * Math.Cos(Angle));
vp.y = StartY + (Length * Math.Sin(Angle));
LastValid = WithinBounds(vp.x, vp.y);
LastValid.PartOfPattern = PartOfPattern;
LastValid.PatternType = "Polygon";
points.Add(LastValid);
}
return(points);
}
private bool IsNearBorder(VertexPoint vp, VertexPoint Border, VertexPoint Start, string StopAt)
{
double OffSet = 5;
Border = new VertexPoint();
Border = vp;
if (StopAt == "Vertical")
{
if (vp.x >= MaxX / 2)
{
if (vp.x >= Start.x)
{
if (vp.y <= Start.y)
{
if (Start.y - vp.y <= (MaxY * OffSet) / 100)
{
Border.y = Start.y;
Border.x = MaxX;
return(true);
}
}
}
}
else
{
if (vp.x <= Start.x)
{
if (vp.y <= Start.y)
{
if (Start.y - vp.y <= (MaxY * OffSet) / 100)
{
Border.y = Start.y;
Border.x = 0;
return(true);
}
}
}
}
}
else
{
if (vp.y >= MaxY / 2)
{
if (vp.y >= Start.y)
{
if (vp.x <= Start.x)
{
if (Start.x - vp.x <= (MaxX * OffSet) / 100)
{
Border.x = Start.x;
Border.y = MaxY;
return(true);
}
}
}
}
else
{
if (vp.y <= Start.y)
{
if (vp.x <= Start.x)
{
if (Start.x - vp.x <= (MaxX * OffSet) / 100)
{
Border.x = Start.x;
Border.y = 0;
return(true);
}
}
}
}
}
return(false);
}
public List <VertexPoint> GetWiperDiagonal(double StartX, double StartY, double Offset, int PartOfPattern)
{
List <VertexPoint> points = new List <VertexPoint>();
double CurX = 0;
double CurY = 0;
double LastCurX = 0;
double LastCurY = 0;
double EndX = 0;
double EndY = 0;
double FactorX = 1;
double FactorY = 1;
CurX = StartX;
CurY = StartY;
if (MaxX > MaxY)
{
FactorX = MaxX / MaxY;
}
if (MaxY > MaxX)
{
FactorY = MaxY / MaxX;
}
while ((LastCurY < MaxY) && (LastCurX < MaxX))
{
VertexPoint vp1 = new VertexPoint();
CurX = LastCurX + (Offset * FactorX);
LastCurX = CurX;
CurY = StartY;
vp1.x = CurX;
vp1.y = CurY;
vp1.PartOfPattern = PartOfPattern;
vp1.PatternType = "Wiper";
points.Add(vp1);
VertexPoint vp2 = new VertexPoint();
CurY = LastCurY + (Offset * FactorY);
LastCurY = CurY;
CurX = StartX;
vp2.x = CurX;
vp2.y = CurY;
vp2.PartOfPattern = PartOfPattern;
vp2.PatternType = "Wiper";
points.Add(vp2);
VertexPoint vp3 = new VertexPoint();
CurY = LastCurY + (Offset * FactorY);
LastCurY = CurY;
CurX = StartX;
vp3.x = CurX;
vp3.y = CurY;
vp3.PartOfPattern = PartOfPattern;
vp3.PatternType = "Wiper";
EndX = CurX;
EndY = CurY;
points.Add(vp3);
VertexPoint vp4 = new VertexPoint();
CurX = LastCurX + (Offset * FactorX);
LastCurX = CurX;
CurY = StartY;
vp4.x = CurX;
vp4.y = CurY;
vp4.PartOfPattern = PartOfPattern;
vp4.PatternType = "Wiper";
points.Add(vp4);
}
VertexPoint vp5 = new VertexPoint();
CurX = LastCurX + (Offset * FactorX);
LastCurX = CurX;
CurY = StartY;
vp5.x = EndX;
vp5.y = EndY;
vp5.PartOfPattern = PartOfPattern;
vp5.PatternType = "Wiper";
points.Add(vp5);
LastCurX = 0;
LastCurY = 0;
CurX = StartX;
CurY = MaxY;
while (LastCurX < MaxX)
{
VertexPoint vp1 = new VertexPoint();
CurX = LastCurX + (Offset * FactorX);
LastCurX = CurX;
CurY = MaxY;
vp1.x = CurX;
vp1.y = CurY;
vp1.PartOfPattern = PartOfPattern;
vp1.PatternType = "Wiper";
points.Add(vp1);
VertexPoint vp2 = new VertexPoint();
CurY = LastCurY + (Offset * FactorY);
LastCurY = CurY;
CurX = MaxX;
vp2.x = CurX;
vp2.y = CurY;
vp2.PartOfPattern = PartOfPattern;
vp2.PatternType = "Wiper";
points.Add(vp2);
VertexPoint vp3 = new VertexPoint();
CurY = LastCurY + (Offset * FactorY);
LastCurY = CurY;
CurX = MaxX;
vp3.x = CurX;
vp3.y = CurY;
vp3.PartOfPattern = PartOfPattern;
vp3.PatternType = "Wiper";
points.Add(vp3);
VertexPoint vp4 = new VertexPoint();
CurX = LastCurX + (Offset * FactorX);
LastCurX = CurX;
CurY = MaxY;
vp4.x = CurX;
vp4.y = CurY;
vp4.PartOfPattern = PartOfPattern;
vp4.PatternType = "Wiper";
points.Add(vp4);
}
return(points);
}
public List <VertexPoint> GetWiperOutsideIn(double StartX, double StartY, double Offset, int PartOfPattern)
{
List <VertexPoint> points = new List <VertexPoint>();
double CurX = 0;
double CurY = 0;
int Incrementer = 1;
CurX = 0;
CurY = 0;
VertexPoint vp1 = new VertexPoint();
vp1.y = CurY;
vp1.x = CurX;
vp1.PartOfPattern = PartOfPattern;
vp1.PatternType = "Wiper";
points.Add(vp1);
while ((CurY < (MaxY / 2)) && (CurX < (MaxX / 2)))
{
VertexPoint vp2 = new VertexPoint();
CurX = MaxX - (Offset * Incrementer);
vp2.x = CurX;
vp2.y = CurY;
vp2.PartOfPattern = PartOfPattern;
vp2.PatternType = "Wiper";
points.Add(vp2);
VertexPoint vp3 = new VertexPoint();
CurY = MaxY - (Offset * Incrementer);
vp3.x = CurX;
vp3.y = CurY;
vp3.PartOfPattern = PartOfPattern;
vp3.PatternType = "Wiper";
points.Add(vp3);
Incrementer += 1;
VertexPoint vp4 = new VertexPoint();
CurX = (Offset * Incrementer);
vp4.x = CurX;
vp4.y = CurY;
vp4.PartOfPattern = PartOfPattern;
vp4.PatternType = "Wiper";
points.Add(vp4);
VertexPoint vp5 = new VertexPoint();
CurY = (Offset * Incrementer);
vp5.x = CurX;
vp5.y = CurY;
vp5.PartOfPattern = PartOfPattern;
vp5.PatternType = "Wiper";
points.Add(vp5);
Incrementer += 1;
}
return(points);
}
public List <VertexPoint> GetWiperInsideOut(double StartX, double StartY, double Offset, int PartOfPattern)
{
List <VertexPoint> points = new List <VertexPoint>();
double CurX = 0;
double CurY = 0;
int Incrementer = 1;
double FactorX = 1;
double FactorY = 1;
CurX = MaxX / 2;
CurY = MaxY / 2;
if (MaxX > MaxY)
{
FactorX = MaxX / MaxY;
}
if (MaxY > MaxX)
{
FactorY = MaxY / MaxX;
}
VertexPoint vp1 = new VertexPoint();
vp1.y = CurY;
vp1.x = CurX;
vp1.PartOfPattern = PartOfPattern;
vp1.PatternType = "Wiper";
points.Add(vp1);
while ((CurY <= MaxY) && (CurX <= MaxX) && (CurY > 0) && (CurX > 0))
{
VertexPoint vp2 = new VertexPoint();
CurX = CurX - (Offset * Incrementer * FactorX);
vp2.x = CurX;
vp2.y = CurY;
vp2.PartOfPattern = PartOfPattern;
vp2.PatternType = "Wiper";
points.Add(vp2);
VertexPoint vp3 = new VertexPoint();
CurY = CurY - (Offset * Incrementer * FactorY);
vp3.x = CurX;
vp3.y = CurY;
vp3.PartOfPattern = PartOfPattern;
vp3.PatternType = "Wiper";
points.Add(vp3);
Incrementer += 1;
VertexPoint vp4 = new VertexPoint();
CurX = CurX + (Offset * Incrementer * FactorX);
vp4.x = CurX;
vp4.y = CurY;
vp4.PartOfPattern = PartOfPattern;
vp4.PatternType = "Wiper";
points.Add(vp4);
VertexPoint vp5 = new VertexPoint();
CurY = CurY + (Offset * Incrementer * FactorY);
vp5.x = CurX;
vp5.y = CurY;
vp5.PartOfPattern = PartOfPattern;
vp5.PatternType = "Wiper";
points.Add(vp5);
Incrementer += 1;
}
return(points);
}
public List <VertexPoint> GetSpiralPoints(double StartX, double StartY, double A, double angle_offset, double max_r, int PartOfPattern, string StopAt, string Direction, string ToInOut, SpiralType Spiral)
{
bool FinishBorder = false;
List <VertexPoint> points = new List <VertexPoint>();
VertexPoint StartPoint = new VertexPoint();
VertexPoint LastValid = new VertexPoint();
const double dtheta = (5 * Math.PI / 180); // Five degrees.
StartPoint.x = StartX;
StartPoint.y = StartY;
StartPoint.PartOfPattern = PartOfPattern;
StartPoint.PatternType = "Spiral";
for (double theta = 0; ; theta += dtheta)
{
double r = 0;
switch (Spiral)
{
case SpiralType.Linear:
r = A * theta;
break;
case SpiralType.Cubic:
r = A * theta * theta * theta;
break;
case SpiralType.Exponential:
r = (Math.Pow(theta / 180 * Math.PI, Math.E)) * A;
break;
case SpiralType.Quadratic:
r = A * theta * theta;
break;
default:
break;
}
// Convert to Cartesian coordinates.
double x, y;
PolarToCartesianRev(r, theta + angle_offset, out x, out y);
VertexPoint vp = new VertexPoint();
// Center.
vp.x += StartX + x;
vp.y += StartY + y;
if ((LastValid.x != vp.x) && (LastValid.y != vp.y))
{
LastValid = WithinBounds(vp.x, vp.y);
LastValid.PartOfPattern = PartOfPattern;
LastValid.PatternType = "Spiral";
points.Add(LastValid);
if (FinishBorder)
{
if (IsNearBorder(vp, vp, StartPoint, StopAt))
{
break;
}
}
}
// If we have gone far enough, stop.
if (r > max_r)
{
if (StopAt != "None")
{
FinishBorder = true;
}
else
{
break;
}
}
}
return(points);
}