47 lines
1.1 KiB
C#
47 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace OpenRa.Game.Traits.Activities
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{
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class Fly : IActivity
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{
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readonly float2 Pos;
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bool isCanceled;
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public Fly(float2 pos) { Pos = pos; }
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public IActivity NextActivity { get; set; }
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const int CruiseAltitude = 20;
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public IActivity Tick(Actor self)
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{
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if (isCanceled) return NextActivity;
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var d = Pos - self.CenterLocation;
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if (d.LengthSquared < 50) /* close enough */
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return NextActivity;
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var unit = self.traits.Get<Unit>();
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if (unit.Altitude < CruiseAltitude)
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++unit.Altitude;
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var desiredFacing = Util.GetFacing(d, unit.Facing);
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if (unit.Altitude == CruiseAltitude)
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Util.TickFacing(ref unit.Facing, desiredFacing, self.LegacyInfo.ROT);
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var speed = .2f * Util.GetEffectiveSpeed(self);
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var angle = unit.Facing / 128f * Math.PI;
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self.CenterLocation += speed * -float2.FromAngle((float)angle);
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self.Location = ((1 / 24f) * self.CenterLocation).ToInt2();
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return this;
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}
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public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
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}
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}
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