//replace with StepDetection Event trigger
private Vector2 testStepTrigger(float _heading)
{
string start, end;
float x, y;
var nHeading = (float)(Math.PI / 2 - _heading);
x = realPosition.X + strideLength * (float)Math.Cos(nHeading);
y = realPosition.Y - strideLength * (float)Math.Sin(nHeading);
var newPosition = new Vector2(x, y);
var realHolder = realPosition;
var nearestHolder = nearestGraphNode;
realPosition = newPosition;
var check = CalculateNearestNode();
if (check != -1)
{
if (!nearestHolder.Equals(nearestGraphNode))
{
start = nearestGraphNode.ToPointString();
end = nearestHolder.ToPointString();
if (start != end)
{
if (!WallCol.IsValidStep((int)nearestGraphNode.X, (int)nearestGraphNode.Y, (int)nearestHolder.X, (int)nearestHolder.Y))
{
realPosition = realHolder;
nearestGraphNode = nearestHolder;
}
}
else
{
//realPosition = realHolder;
}
}
}
else
{
realPosition = realHolder;
}
return(realPosition);
}
/*
* public override void Draw(CGRect rect)
* {
* base.Draw(rect);
*
*
*
* //get graphics context
* using (var g = UIGraphics.GetCurrentContext())
* {
* //set up drawing attributes
* g.SetLineWidth(3/_scaleFactor);
* UIColor.Cyan.SetStroke ();
* g.SetShadow (new CGSize (1, 1), 10, UIColor.Blue.CGColor);
* //use a dashed line
* //g.SetLineDash(0, new[] {5, 2/_scaleFactor});
*
* //add geometry to graphics context and draw it
* g.AddPath(path);
* g.DrawPath(CGPathDrawingMode.Stroke);
* }
* }
*/
public override void Draw(CGRect rect)
{
if (pathSet == true)
{
base.Draw(rect);
using (var context = UIGraphics.GetCurrentContext()) {
//set up drawing attributes
context.SetLineWidth(3 / _scaleFactor);
UIColor.Cyan.SetStroke();
context.SetShadow(new CGSize(1, 1), 10, UIColor.Blue.CGColor);
var lineStart = pointsList[0];
var lineEnd = pointsList[0];
var line = new CGPoint[2];
foreach (var pathPoint in pointsList)
{
// If we can make a non obstructed path from our start to end , just continue
int originX = (int)lineStart.X;
int originY = (int)lineStart.Y;
int targetX = (int)pathPoint.X;
int targetY = (int)pathPoint.Y;
if (wallCol.IsValidStep(originX, originY, targetX, targetY))
{
// Our step is valid
lineEnd = pathPoint;
}
else
{
// We cannot perform this step, revert to last one
line[0] = lineStart;
line[1] = lineEnd;
context.AddLines(line);
context.StrokePath();
lineStart = lineEnd;
}
}
line[0] = lineStart;
line[1] = lineEnd;
context.AddLines(line);
context.StrokePath();
//directionPoints.Add (line[1]);
//mainView.pushDirectionsPointsList (directionPoints);
//context.AddPath(path);
//context.DrawPath(CGPathDrawingMode.Stroke);
/*
* // Draw a quad curve with end points s,e and control point cp1
* context.SetStrokeColor (1, 1, 1, 1);
* s = new CGPoint (30, 300);
* e = new CGPoint (270, 300);
* cp1 = new CGPoint (150, 180);
* context.MoveTo (s.X, s.Y);
* context.AddQuadCurveToPoint (cp1.X, cp1.Y, e.X, e.Y);
* context.AddQuadCurveToPoint (cp1.X + 100, cp1.Y + 100, e.X + 100, e.Y + 100);
*
* context.StrokePath ();
*/
}
}
}