public Func <Enemy, ShootingPattern[]> GenerateShootingDirections()
{
if (isBreak)
{
return(x => new ShootingPattern[0]);
}
var randomPicture = rnd.Next(2, 6);
var picture = $"boss-bullet-{randomPicture}.png";
switch (phase)
{
case 0: //
var random = rnd.Next(0, 2);
if (random == 1)
{
return(x => Directions.GetAroundVectors(16).Skip(16).Take(8)
.Select(z => new ShootingPattern
{
Direction = z,
BulletImage = picture
}).ToArray());
}
else
{
return(x => Directions.GetAroundVectors(16).Skip(8).Take(8)
.Select(z => new ShootingPattern
{
Direction = z,
BulletImage = picture
}).ToArray());
}
case 1:
return(x => Directions.GetAroundVectors(16)
.Select(z => new ShootingPattern
{
Direction = z,
BulletImage = picture
}).ToArray());
case 2:
return(x => new[] {
(Game.Player.Location - x.Location).Rotate(Math.PI / 20),
Game.Player.Location - x.Location,
(Game.Player.Location - x.Location).Rotate(-Math.PI / 20)
}
.Select(z => new ShootingPattern
{
Direction = z,
BulletImage = picture
}).ToArray());
case 3:
return(x => Directions.GetAroundVectors(16)
.Select(z => new ShootingPattern
{
Pattern = VectorMoves.FlyAndFall(x.Location, z),
Direction = Vector.Zero,
BulletImage = picture
}).ToArray());
case 4:
return(x => Directions.GetAroundVectors(5)
.Select(z => new ShootingPattern
{
Pattern = VectorMoves.FlyAndToTarget(x.Location, z, Game.Player.Location - x.Location),
Direction = Vector.Zero,
BulletImage = picture
}).ToArray());
default:
return(x => Directions.GetRow(10, x.Location.Y)
.Select(z => new ShootingPattern
{
Pattern = new VectorMove(z, 10, Game.Player.Location - x.Location),
Direction = Vector.Zero,
BulletImage = "boss-bullet-1.png"
}).ToArray());
}
}
