public IntPoint GraphToAsciiTrans(GraphPoint gPoint)
{
return(new IntPoint(
//Transform Equetions for converting somthing a function out puts to something that can be more esily ploted in ascii
Convert.ToInt32(((gPoint.x - graphCenterX) * (Convert.ToDouble(with) / graphWith) / WindowManager.charAspectRatio) - with / 2),
Convert.ToInt32(((gPoint.y - graphCenterY) * (Convert.ToDouble(hight) / graphHight)) + hight / 2)
));
}
//returns completed charpoints to go and get placed on the graphwindow
public List <CharPoint> getPoints(GraphWindow window)
{
List <CharPoint> ploted = new List <CharPoint>();
IntPoint lastPoint = new IntPoint(-1, 0);
IntPoint point = new IntPoint(0, 0);
IntPoint nextPoint = new IntPoint(1, 0);
evalPoint(ref lastPoint);
evalPoint(ref point);
evalPoint(ref nextPoint);
int deltaY;
for (int x = 0; x < window.with; x++)
{
deltaY = nextPoint.y - lastPoint.y;
if (point.y <= nextPoint.y && point.y >= lastPoint.y || point.y >= nextPoint.y && point.y <= lastPoint.y)
{
if (deltaY >= -2 && deltaY <= 2)
{
//this is for the strate line case
// ---
if (deltaY == 0)
{
ploted.Add(new CharPoint(point.x, point.y, '_'));
}
// this covers
//
else if (deltaY <= 1 && deltaY >= -1)
{
if (point.y == lastPoint.y && deltaY == 1)
{
ploted.Add(new CharPoint(point.x, point.y, '/'));
}
else if (point.y == nextPoint.y && deltaY == -1)
{
ploted.Add(new CharPoint(point.x, point.y, (char)92));
}
else
{
ploted.Add(new CharPoint(point.x, point.y, '_'));
}
}
//this covers theses cases
// /
// /
// /
else if (deltaY > 0)
{
ploted.Add(new CharPoint(point.x, point.y, '/'));
}
//this covers theses cases
// \
// \
// \
else if (deltaY < 0)
{
ploted.Add(new CharPoint(point.x, point.y, (char)92));
}
}
else
{
//this is the intended behavior
// _
// /
// |
// |
// __/
//
// ._
// |
// |
// __/
if (deltaY > 0)
{
for (int y = lastPoint.y + 1; y < nextPoint.y; y++)
{
ploted.Add(new CharPoint(point.x, y, '|'));
}
if (point.y == nextPoint.y)
{
ploted.Add(new CharPoint(point.x, point.y, '.'));
}
else
{
ploted.Add(new CharPoint(point.x, point.y, '/'));
}
}
else if (deltaY < 0)
{
for (int y = lastPoint.y - 1; y > nextPoint.y; y--)
{
ploted.Add(new CharPoint(point.x, y, '|'));
}
if (point.y == nextPoint.y)
{
ploted.Add(new CharPoint(point.x, point.y, ' '));
}
else
{
ploted.Add(new CharPoint(point.x, point.y, '/'));
}
}
}
}
else
{
ploted.Add(new CharPoint(point.x, point.y, '*'));
}
//points for next iteration
lastPoint = point;
point = nextPoint;
nextPoint.x = x + 2;
evalPoint(ref nextPoint);
}
return(ploted);
void evalPoint(ref IntPoint Ip)
{
GraphPoint gp = new GraphPoint(0, 0);
gp = window.AsciiToGraphTrans(Ip);
gp.y = mFunc.func(gp.x);
Ip = window.GraphToAsciiTrans(gp);
}
}