//adjust color opacicty for all balls or just one ball
private void OpacityTrackBar_ValueChanged(object sender, EventArgs e)
{
label2.Text = OpacityTrackBar.Value.ToString();
//if checked all balls opacity changes
if (AllBalls.Checked)
{
for (int i = 0; i < _balls.Count; i++)
{
_balls[i].opacity = OpacityTrackBar.Value;
}
}
//only last created ball moves
else
{
ball list = _balls.LastOrDefault();
list.opacity = OpacityTrackBar.Value;
}
}
//adjust y velocity for one ball or all balls
private void YtrackBar_ValueChanged(object sender, EventArgs e)
{
label6.Text = YtrackBar.Value.ToString();
//if checked all balls move
if (AllBalls.Checked)
{
for (int i = 0; i < _balls.Count; i++)
{
_balls[i].YVel = YtrackBar.Value;
}
}
//last ball created ball moves
else
{
ball list = _balls.LastOrDefault();
list.YVel = YtrackBar.Value;
}
}
//adjust x velocity for all balls ore one ball
private void XtrackBar_ValueChanged(object sender, EventArgs e)
{
label5.Text = XtrackBar.Value.ToString();
//if checked all balls move
if (AllBalls.Checked)
{
for (int i = 0; i < _balls.Count; i++)
{
_balls[i].XVel = XtrackBar.Value;
}
}
//only last made ball moves
else
{
ball list = _balls.LastOrDefault();
list.XVel = XtrackBar.Value;
}
}
