private static IEnumerator<bool> GradiusLaserOption(PlayerOption option, OptionInitializationInformation info)
{
var sbc = 0;
var sb = new Point[30];
var sp = Point.FromDisplayObject(option.Parent);
var threshold = info.UserDoubleValue1;
var pp = sp;
for (int i = 0; i < sb.Length; i++) sb[i] = sp;
while (true)
{
option.PreventParentOperation();
var np = Point.FromDisplayObject(option.Parent);
if (pp.DistanceTo(np) >= threshold)
{
sb[(sbc++) % sb.Length] = np;
option.ApplyPosition(sb[(sbc + sb.Length + 1) % sb.Length]);
}
pp = np;
yield return true;
}
}
private static IEnumerator<bool> FollwingAttackOption(PlayerOption option, OptionInitializationInformation info)
{
bool tg = false;
EnemyUser target = null;
var tl = option.ParentManager.OfType<EnemyUser>()
.Where(p =>
{
var x = p.X - option.X;
var y = p.Y - option.Y;
return Math.Sqrt(x * x + y * y) <= 200;
});
while (true)
{
target = tl.FirstOrDefault();
if (target == null && tg)
{
tg = false;
var sx = option.X;
var sy = option.Y;
for (int i = 0; i < 30; i++)
{
option.PreventParentOperation();
option.X = Easing.OutQuad(i, 30, sx, option.Parent.X - sx);
option.Y = Easing.OutQuad(i, 30, sy, option.Parent.Y - sy);
yield return true;
}
}
else if (!tg && target != null)
{
tg = true;
while (target != null)
{
var sx = option.X;
var sy = option.Y;
//同じ敵から同時に帰ってくると見栄えしないのでランダム
var rw = rnd.Next(10);
for (int i = 0; i < rw; i++)
{
option.PreventParentOperation();
yield return true;
}
for (int i = 0; i < 30; i++)
{
option.PreventParentOperation();
option.X = Easing.OutQuad(i, 30, sx, target.X - sx);
option.Y = Easing.OutQuad(i, 30, sy, target.Y - sy);
yield return true;
}
while (!target.IsDead)
{
option.PreventParentOperation();
option.X = target.X;
option.Y = target.Y;
target.Damage(100);
yield return true;
}
tl = option.ParentManager.OfType<EnemyUser>()
.Where(p =>
{
var x = p.X - option.X;
var y = p.Y - option.Y;
return Math.Sqrt(x * x + y * y) <= 200;
});
target = tl.FirstOrDefault();
}
}
else
{
yield return true;
}
}
}