public void deletePointFromArPoints(int delInd)
{
if (arPoints == null || moveDir == null)
{
cout("Error");
return;
}
//delete point from arPoints
PointF[] newArPoints = new PointF[arPoints.Length - 1];
for (int i = 0; i < delInd; i++)
{
newArPoints[i] = arPoints[i];
}
for (int i = delInd; i < newArPoints.Length; i++)
{
newArPoints[i] = arPoints[i + 1];
}
arPoints = newArPoints;
if (arPoints.Length == 0)
{
arPoints = null;
}
//delete point from moveDir
Direct[] newMoveDir = new Direct[moveDir.Length - 1];
for (int i = 0; i < delInd; i++)
{
newMoveDir[i] = moveDir[i];
}
for (int i = delInd; i < newMoveDir.Length; i++)
{
newMoveDir[i] = moveDir[i + 1];
}
moveDir = newMoveDir;
if (moveDir.Length == 0)
{
moveDir = null;
if (modeMovePoints)
{
modeMovePoints = false;
btnMovePoints.Text = "Move points: OFF";
cout("Move points: OFF");
moveTimer.Stop();
}
}
}
public void setRandomSpeedToAll()
{
if (moveDir != null)
{
Random rand = new Random();
int InitX = rand.Next(INIT_STEP_X_MIN, INIT_STEP_X_MAX + 1);
int InitY = rand.Next(INIT_STEP_Y_MIN, INIT_STEP_Y_MAX + 1);
float InitSpeed = (float)(rand.Next((int)(INIT_SPEED_MIN * 2 + 1), (int)(INIT_SPEED_MAX * 2 + 1))) / 2;
for (int i = 0; i < moveDir.Length; i++)
{
moveDir[i] = new Direct(InitSpeed, InitX, InitY);
}
}
}
public void setRealRandomSpeedToAll()
{
if (moveDir != null)
{
Random rand = new Random();
for (int i = 0; i < moveDir.Length; i++)
{
float InitSpeed = 0;
int InitX = 0;
int InitY = 0;
getRealRandomSpeed(rand, ref InitSpeed, ref InitX, ref InitY);
moveDir[i] = new Direct(InitSpeed, InitX, InitY);
}
}
}
public void setManyPoints()
{
arPoints = null;
moveDir = null;
setPointsCount(-pointsCount);
// calculate actual borders
int leftBorder = leftMargin;
int rightBorder = form.Width - rightMargin - pointWidth / 2;
int topBorder = topMargin;
int bottomBorder = form.Height - bottomMargin - pointWidth / 2;
//calculate rows and columns
int Delta = 10;
if (pointWidth >= 6)
{
Delta = pointWidth * 2;
}
int cols = (rightBorder - leftBorder) / Delta;
int rows = (bottomBorder - topBorder) / Delta;
cout((cols * rows).ToString() + " points added");
setPointsCount(cols * rows);
arPoints = new PointF[cols * rows];
moveDir = new Direct[cols * rows];
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < cols; j++)
{
arPoints[i * cols + j] = new PointF(leftBorder + Delta * (j + 1),
topBorder + Delta * (i + 1));
moveDir[i * cols + j] = new Direct(moveInitSpeed, moveInitStepX, moveInitStepY);
}
}
Refresh();
}
private void Form1_MouseClick(object sender, MouseEventArgs e)
{
if (modeAddPoints && e.Button == MouseButtons.Left)
{
PointF p1 = e.Location;
float realX = p1.X;
float realY = p1.Y;
//checking for out of margin zone
if (realX < leftMargin + pointWidth / 2)
{
realX = leftMargin + pointWidth / 2;
}
else if (realX > form.Width - rightMargin - pointWidth / 2)
{
realX = form.Width - rightMargin - pointWidth / 2;
}
if (realY < topMargin + pointWidth / 2)
{
realY = topMargin + pointWidth / 2;
}
else if (realY > form.Height - bottomMargin - pointWidth / 2)
{
realY = form.Height - bottomMargin - pointWidth / 2;
}
PointF realP1 = new PointF(realX, realY);
cout(realP1.ToString() + " added");
setPointsCount(1);
if (arPoints == null)
{
arPoints = new PointF[] { realP1 };
// create helper array for directions of points
if (modeMoveInitPointsRandom)
{
float InitSpeed = 0;
int InitX = 0;
int InitY = 0;
getRealRandomSpeed(new Random(), ref InitSpeed, ref InitX, ref InitY);
moveDir = new Direct[] { new Direct(InitSpeed, InitX, InitY) };
}
else
{
moveDir = new Direct[] { new Direct(moveInitSpeed, moveInitStepX, moveInitStepY) };
}
moveDir = new Direct[] { new Direct(moveInitSpeed, moveInitStepX, moveInitStepY) };
}
else
{
PointF[] newArPoints = new PointF[arPoints.Length + 1];
newArPoints[arPoints.Length] = realP1;
for (int i = 0; i < arPoints.Length; i++)
{
newArPoints[i] = arPoints[i];
}
arPoints = newArPoints;
// update helper array for directions of points
Direct[] newMoveDir = new Direct[moveDir.Length + 1];
if (modeMoveInitPointsRandom)
{
float InitSpeed = 0;
int InitX = 0;
int InitY = 0;
getRealRandomSpeed(new Random(), ref InitSpeed, ref InitX, ref InitY);
newMoveDir[moveDir.Length] = new Direct(InitSpeed, InitX, InitY);
}
else
{
newMoveDir[moveDir.Length] = new Direct(moveInitSpeed, moveInitStepX, moveInitStepY);
}
// copying old values
for (int i = 0; i < moveDir.Length; i++)
{
newMoveDir[i] = moveDir[i];
}
moveDir = newMoveDir;
}
Refresh();
}
if (e.Button == MouseButtons.Right)
{
// ON/OFF modeAddPoints / dragPoints
if (modeAddPoints == false)
{
modeAddPoints = true;
btnPoints.Text = "Add points: ON";
cout("Add points: ON");
cout("Drag points: OFF");
}
else
{
modeAddPoints = false;
btnPoints.Text = "Add points: OFF";
cout("Add points: OFF");
cout("Drag points: ON");
}
}
if (e.Button == MouseButtons.Middle && arPoints != null)
{
PointF delPoint = e.Location;
for (int i = 0; i < arPoints.Length; i++)
{
if (IsOnPoint(delPoint, arPoints[i]))
{
PointF deletedPoint = new PointF(arPoints[i].X, arPoints[i].Y);
cout(deletedPoint.ToString() + " deleted");
deletePointFromArPoints(i);
setPointsCount(-1);
Refresh();
break;
}
}
}
}