protected override void OnDraw(Canvas canvas)
{
base.OnDraw(canvas);
var time = (float)(DateTimeHelperClass.CurrentUnixTimeMillis() - _startTime) / _period;
if (_isPlaying)
{
for (var i = 3; i >= 0; i--)
{
var y = (float)-(_jumpHeight * Math.Max(0, Math.Sin(time + i / 1.5f)));
switch (i)
{
case 2:
_dotOne.TranslationY = y;
break;
case 1:
_dotTwo.TranslationY = y;
break;
case 0:
_dotThree.TranslationY = y;
break;
}
}
}
else
{
for (var i = 3; i >= 0; i--)
{
var y = (float)-(_jumpHeight * Math.Max(0, Math.Sin(time + i / 1.5f)));
switch (i)
{
case 2:
if (y == 0 || _lockDotOne)
{
_lockDotOne = true;
_dotOne.TranslationY = 0;
}
else
{
_dotOne.TranslationY = y;
}
break;
case 1:
if (y == 0 || _lockDotTwo)
{
_lockDotTwo = true;
_dotTwo.TranslationY = 0;
}
else
{
_dotTwo.TranslationY = y;
}
break;
case 0:
if (y == 0 || _lockDotThree)
{
_lockDotThree = true;
_dotThree.TranslationY = 0;
}
else
{
_dotThree.TranslationY = y;
}
break;
}
}
if (_lockDotOne && _lockDotTwo && _lockDotThree)
{
//all are in bottom position
SetWillNotDraw(true);
}
}
Invalidate();
}