public EntityMagicWeapon(Vector pnt, Tile[] obj, byte[,,] chips, EntityList par)
{
Location = pnt;
Mpts = obj;
Map = chips;
Parent = par;
Size = new Size(8, 8);
SetGraphic(2);
// ウェポンは同時に3つまでしか打てない
if (Parent.FindEntitiesByType <EntityMagicWeapon>().Count() > 3)
{
Kill();
}
// 対象を探す
// 条件は、プレイヤーに最も近い生きているエネミー
Entity?target = Parent
.Where(e => e.MyGroup == EntityGroup.Enemy)
.Where(e => !(e is EntityLiving l) || !l.IsDying)
.OrderBy(e => MathF.Abs(e.Location.Distance(Location)))
.FirstOrDefault();
// 対象がいればその方向へ、いなければランダムに射出
var r = target != null
? MathF.Atan2(Location.Y - target.Location.Y, Location.X - target.Location.X)
: DFMath.ToRadian(Core.GetRand(360));
Velocity = new Vector(MathF.Cos(r), MathF.Sin(r)) * -5;
}
public virtual void OnDyingAnimation(ElementBase el)
{
if (DyingMax == 0)
{
return;
}
var lerp = DFMath.Lerp((DyingMax - DyingTick) / (float)DyingMax, 1, 0);
if (el is Sprite s)
{
s.TintColor = Color.FromArgb(255, (int)(lerp * 255), (int)(lerp * 255));
Location += Vector.Right * lerp;
}
}
private IEnumerator Intro(GameBase game)
{
var duration = 1.5f;
var tick = 0f;
var initial = cursor;
var target = new VectorInt(game.Width, game.Height) / 4;
while (tick < duration)
{
cursor = DFMath.EaseOut(tick / duration, initial, target);
yield return(null);
tick += Time.DeltaTime;
}
cursor = target;
introDone = true;
}
/// <summary>
/// ノイズを生成します。
/// </summary>
/// <param name="x">X座標。</param>
public float Generate(float x)
{
x = MathF.Abs(x);
int xi = (int)x;
float f = x - xi;
float g0 = GetGradient(xi);
float g1 = GetGradient(xi + 1);
float p0 = f;
float p1 = f - 1f;
float v0 = g0 * p0;
float v1 = g1 * p1;
return(DFMath.EaseInOut(f, v0, v1));
}
private IEnumerator DisplayTextParticleCoroutine(string text, Vector position)
{
var drawable = new TextDrawable(text)
{
Location = position
};
Root.Add(drawable);
var time = 0f;
while (time < 2)
{
drawable.Location += Vector.Up * 16 * Time.DeltaTime;
drawable.Color = Color.FromArgb((int)DFMath.Lerp(time / 2, 255, 0), 255, 255, 255);
time += Time.DeltaTime;
yield return(null);
}
Root.Remove(drawable);
}
private void HandleKey()
{
var w = DFKeyboard.W;
var a = DFKeyboard.A;
var s = DFKeyboard.S;
var d = DFKeyboard.D;
var target =
w && a ? 225 :
w && d ? 315 :
s && a ? 135 :
s && d ? 45 :
w ? 270 :
a ? 180 :
s ? 90 :
d ? 0 : -1;
if (w || a || s || d)
{
currentDegree = DFMath.Lerp(0.3f, currentDegree, target);
cursor += Forward * 128 * Time.DeltaTime;
}
}
