private void ComputeCurrentValue()
{
if (!(Math.Abs(mCurrentValue - mTargetValue) > 0.01f))
{
return;
}
if (-1 != mNeedleLastMoved)
{
float time = (JavaSystem.CurrentTimeMillis() - mNeedleLastMoved) / 1000.0f;
float direction = Math.Signum(mNeedleVelocity);
if (Math.Abs(mNeedleVelocity) < 90.0f)
{
mNeedleAcceleration = 5.0f * (mTargetValue - mCurrentValue);
}
else
{
mNeedleAcceleration = 0.0f;
}
mNeedleAcceleration = 5.0f * (mTargetValue - mCurrentValue);
mCurrentValue += mNeedleVelocity * time;
mNeedleVelocity += mNeedleAcceleration * time;
if ((mTargetValue - mCurrentValue) * direction < 0.01f * direction)
{
mCurrentValue = mTargetValue;
mNeedleVelocity = 0.0f;
mNeedleAcceleration = 0.0f;
mNeedleLastMoved = -1L;
}
else
{
mNeedleLastMoved = JavaSystem.CurrentTimeMillis();
}
Invalidate();
}
else
{
mNeedleLastMoved = JavaSystem.CurrentTimeMillis();
ComputeCurrentValue();
}
}
