protected void init()
{
recyclerView = FindViewById <RecyclerView>(Resource.Id.recyclerView);
drawView = new DrawView(this, 96 * multiply, 64 * multiply, multiply, typeface);
Android.Widget.LinearLayout.LayoutParams lp = new Android.Widget.LinearLayout.LayoutParams(96 * multiply, 64 * multiply);
lp.SetMargins(10, 10, 10, 10);
lp.Gravity = GravityFlags.Center;
drawView.LayoutParameters = lp;
drawView.SetBackgroundColor(Android.Graphics.Color.ParseColor("#000000"));
}
private void DrawLines(float[] currentCoordinates, MotionEventActions action, DrawView drawView)
{
int[] draw;
try
{
draw = drawView.GetCoordinates(currentCoordinates);
}
catch (InvalidCoordinatesException)
{
try
{
LastDrawStep = DrawStep.StartProgram;
int[] drawOld = drawView.GetCoordinates(lastDrawnCoordinates);
SendToArduino("{p;" + drawOld[0] + "," + drawOld[1] + "}");
drawView.DrawLine(firstPointOfLineCoordinates, lastDrawnCoordinates);
return;
}
catch (InvalidCoordinatesException)
{
LastDrawStep = DrawStep.StartProgram;
return;
}
}
if (!equalsNumbers(lastDraw, draw))
{
drawningStep++;
double lastDistancea = Math.Sqrt(Math.Pow((lastDrawnCoordinates[0] - currentCoordinates[0]), 2) + Math.Pow((lastDrawnCoordinates[1] - currentCoordinates[1]), 2));
int stepLimit = 2;
if (lastDistancea < 8)
{
stepLimit = 3;
}
if (lastDistancea < 6)
{
stepLimit = 4;
}
if (lastDistancea < 3)
{
stepLimit = 5;
}
if (lastDistancea <= 1)
{
stepLimit = 7;
}
if (lastDistancea > 30)
{
stepLimit = 1;
}
if (lastDistancea > 40)
{
stepLimit = 0;
}
if ((LastDrawStep == DrawStep.GetAngle && drawningStep > stepLimit) || action == MotionEventActions.Up)
{
float x2x1 = 0 - firstPointOfLineCoordinates[0] - lastDrawnCoordinates[0];
float x3x1 = 0 - firstPointOfLineCoordinates[0] - currentCoordinates[0];
float point21 = (0 - firstPointOfLineCoordinates[1] - lastDrawnCoordinates[1]) / x2x1;
float point31 = (0 - firstPointOfLineCoordinates[1] - currentCoordinates[1]) / x3x1;
double distance = Math.Sqrt(Math.Pow((firstPointOfLineCoordinates[0] - currentCoordinates[0]), 2) + Math.Pow((firstPointOfLineCoordinates[1] - currentCoordinates[1]), 2));
double varDecided = 0.002;
// DO DDEBUGOWANIA
// Console.WriteLine("{0:F5} ; {1:F5} ; {2:F8} ; {3:F8} ; {10:F8} ; X - {4:F2} ; Y - {5:F2} ; x - {6:F2} ; y - {7:F2} ; x - {8:F2} ; y - {9:F2}", point21, point31, Math.Abs(point21 - point31), lastDistancea, firstPointOfLineCoordinates[0], firstPointOfLineCoordinates[1], lastDrawnCoordinatesOnCanva[0] , lastDrawnCoordinatesOnCanva[1] ,currentCoordinates[0], currentCoordinates[1], varDecided);
// -----------------
if (x2x1 != 0 && x3x1 != 0)
{
if (Math.Abs(point21 - point31) > (float)varDecided || action == MotionEventActions.Up || lastDistance > distance)
{
lastDraw = drawView.GetCoordinates(lastDrawnCoordinates);
SendToArduino("{p;" + lastDraw[0] + "," + lastDraw[1] + "}");
drawView.DrawLine(firstPointOfLineCoordinates, lastDrawnCoordinates);
firstPointOfLineCoordinates = lastDrawnCoordinates;
LastDrawStep = DrawStep.CreatePoint;
}
}
if (action == MotionEventActions.Up)
{
LastDrawStep = DrawStep.CheckedAndDraw;
}
lastDistance = distance;
drawningStep = 0;
}
if (LastDrawStep == DrawStep.CreatePoint)
{
lastDistance = Math.Sqrt((draw[0] * draw[0]) + (draw[1] * draw[1]));
LastDrawStep = DrawStep.GetAngle;
lastDrawnCoordinates = currentCoordinates;
}
}
if (action == MotionEventActions.Down && (LastDrawStep == DrawStep.CheckedAndDraw || LastDrawStep == DrawStep.StartProgram))
{
firstPointOfLineCoordinates = currentCoordinates;
SendToArduino("{d;" + draw[0] + "," + draw[1] + "}");
LastDrawStep = DrawStep.CreatePoint;
lastDrawnCoordinates = currentCoordinates;
lastDistance = 0;
drawView.DrawPoint(currentCoordinates);
return;
}
lastDrawnCoordinates = currentCoordinates;
}