public void Tick(SceneGame scene)
{
var tile = Curio.GetMainTile();
if (tile != null)
{
var pos = tile.GetVisualTarget();
if (pos != ShadowPosition.End)
{
ShadowPosition.Set(pos, LerpHelper.Quadratic, 10);
}
}
ShadowPosition.Update();
}
public override void DrawArcObject(SceneGame scene, DrawPass pass)
{
var spriteWraith = SpriteLoader.Instance.AddSprite("content/wraith");
var spriteWraithTrail = SpriteLoader.Instance.AddSprite("content/wraith_trail");
var tile = Curio.GetMainTile();
var startPos = Source;
var endPos = tile.VisualTarget;
Vector2 curve(float slide)
{
var a = Vector2.Lerp(startPos, startPos + VelocityStart, (float)LerpHelper.Quadratic(0, 1, slide));
var b = Vector2.Lerp(endPos + VelocityEnd, endPos, (float)LerpHelper.Quadratic(0, 1, slide));
return(Vector2.Lerp(a, b, (float)LerpHelper.Quadratic(0, 1, slide)));
}
Color colorStart = new Color(215, 63, 36);
Color colorEnd = new Color(118, 39, 102);
if (pass == DrawPass.Effect)
{
int segments = 5;
for (int i = 0; i < segments; i++)
{
float trailSlide = (float)i / (segments - 1);
float trailPos = (float)LerpHelper.QuadraticOut(Frame.Slide - 0.05f, Frame.Slide, trailSlide);
Vector2 pos = curve(trailPos);
scene.DrawSpriteExt(spriteWraithTrail, 0, pos - spriteWraithTrail.Middle, spriteWraithTrail.Middle, 0, Vector2.One, SpriteEffects.None, Color.Lerp(colorStart.WithAlpha(0), colorEnd, trailSlide), 0);
}
}
if (pass == DrawPass.EffectAdditive)
{
scene.DrawSpriteExt(spriteWraith, 0, curve(Frame.Slide) - spriteWraith.Middle, spriteWraith.Middle, 0, Vector2.One, SpriteEffects.None, colorStart, 0);
}
}
public override bool CanUse()
{
var world = Curio.GetWorld();
var tile = Curio.GetMainTile();
var map = tile.Map;
var mace = Curio.GetBehavior <BehaviorMace>();
return(mace != null && mace.IsInArea(world.PlayerCurio) && map.CanSee(Curio.GetVisualTarget(), world.PlayerCurio.GetVisualTarget()));
}
public override IEnumerable <MapTile> GetImpactArea()
{
var tile = Curio.GetMainTile();
return(tile.GetNearby(1));
}