private static IEnumerator<bool> BlinkFunction(MultiAdditionalCoroutineSprite sp, int time, double duraiton, EasingFunction easing)
{
while (true)
{
for (int i = 0; i < time; i++)
{
sp.Alpha = easing(i, time, 1, -duraiton);
yield return true;
}
}
}
private static IEnumerator<bool> AlphaFunction(MultiAdditionalCoroutineSprite sp, int time, double alpha, EasingFunction easing)
{
var sa = sp.Alpha;
for (int i = 0; i < time; i++)
{
sp.Alpha = easing(i, time, sa, alpha - sa);
yield return true;
}
sp.Alpha = alpha;
}
private static IEnumerator<bool> CursorMoveFunction(MultiAdditionalCoroutineSprite sp, int time, double x, double y, EasingFunction easing)
{
var sy = sp.Y;
var sx = sp.X;
for (int i = 0; i < time; i++)
{
sp.Y = easing(i, time, sy, y - sy);
sp.X = easing(i, time, sx, x - sx);
yield return true;
}
sp.Y = y;
sp.X = x;
}
private static IEnumerator<bool> VerticalFadeOutFunction(MultiAdditionalCoroutineSprite sp, int time, double moving, EasingFunction moveEasing, EasingFunction fadeEasing)
{
var sa = sp.Alpha;
var sy = sp.Y;
for (int i = 0; i < time; i++)
{
sp.Alpha = fadeEasing(i, time, sa, -sa);
sp.Y = moveEasing(i, time, sy, moving);
yield return true;
}
sp.IsDead = true;
}
private static IEnumerator<bool> MenuOutroFunction(MultiAdditionalCoroutineSprite sp, int delay, int time, double ty)
{
for (int i = 0; i < delay; i++) yield return true;
var sy = sp.Y;
for (int i = 0; i < time; i++)
{
sp.Y = Easing.OutSine(i, time, sy, ty - sy);
yield return true;
}
sp.Y = ty;
}
private static IEnumerator<bool> LaserThrowAwayFunction(MultiAdditionalCoroutineSprite sp, double angle, double speed)
{
while (true)
{
sp.X += Math.Cos(angle) * speed;
sp.Y += Math.Sin(angle) * speed;
yield return true;
}
}