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Convert ScreenShaker to world coords.

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This commit is contained in:
Paul Chote
2013-07-20 14:59:01 +12:00
parent 0c35e49239
commit ddd1314613
4 changed files with 20 additions and 17 deletions
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31
OpenRA.Game/Traits/World/ScreenShaker.cs
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@@ -14,47 +14,50 @@ using System.Linq;
namespace OpenRA.Traits
{
class ScreenShakerInfo : TraitInfo<ScreenShaker> {}
public class ScreenShakerInfo : TraitInfo<ScreenShaker> { }
public class ScreenShaker : ITick
{
int ticks = 0;
List<ShakeEffect> shakeEffects = new List<ShakeEffect>();
int ticks = 0;
public void Tick (Actor self)
public void Tick(Actor self)
{
if(shakeEffects.Any())
if (shakeEffects.Any())
{
Game.viewport.Scroll(GetScrollOffset(), true);
shakeEffects.RemoveAll(t => t.ExpiryTime == ticks);
}
ticks++;
}
public void AddEffect(int time, float2 position, int intensity)
public void AddEffect(int time, WPos position, int intensity)
{
shakeEffects.Add(new ShakeEffect { ExpiryTime = ticks + time, Position = position, Intensity = intensity });
}
float2 GetScrollOffset()
{
int xFreq = 4;
int yFreq = 5;
return GetIntensity() * new float2(
(float) Math.Sin((ticks*2*Math.PI)/xFreq) ,
(float) Math.Cos((ticks*2*Math.PI)/yFreq));
(float)Math.Sin((ticks * 2 * Math.PI) / 4),
(float)Math.Cos((ticks * 2 * Math.PI) / 5));
}
float GetIntensity()
{
var cp = Game.viewport.CenterLocation;
var intensity = Game.CellSize * Game.CellSize * 100 * shakeEffects.Sum(
e => e.Intensity / (e.Position - cp).LengthSquared);
var cp = ((PPos)Game.viewport.CenterLocation.ToInt2()).ToWPos(0);
var intensity = 100 * 1024 * 1024 * shakeEffects.Sum(
e => (float)e.Intensity / (e.Position - cp).LengthSquared);
return Math.Min(intensity, 10);
}
}
class ShakeEffect { public int ExpiryTime; public float2 Position; public int Intensity; }
struct ShakeEffect
{
public int ExpiryTime;
public WPos Position;
public int Intensity;
}
}

2
OpenRA.Mods.RA/Buildings/ShakeOnDeath.cs
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@@ -29,7 +29,7 @@ namespace OpenRA.Mods.RA.Buildings
public void Killed(Actor self, AttackInfo e)
{
self.World.WorldActor.Trait<ScreenShaker>().AddEffect(Info.Intensity, self.CenterLocation.ToFloat2(), 1);
self.World.WorldActor.Trait<ScreenShaker>().AddEffect(Info.Intensity, self.CenterPosition, 1);
}
}
}

2
OpenRA.Mods.RA/Effects/NukeLaunch.cs
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@@ -67,7 +67,7 @@ namespace OpenRA.Mods.RA.Effects
{
world.AddFrameEndTask(w => w.Remove(this));
Combat.DoExplosion(firedBy.PlayerActor, weapon, pos);
world.WorldActor.Trait<ScreenShaker>().AddEffect(20, PPos.FromWPos(pos).ToFloat2(), 5);
world.WorldActor.Trait<ScreenShaker>().AddEffect(20, pos, 5);
foreach (var a in world.ActorsWithTrait<NukePaletteEffect>())
a.Trait.Enable();

2
OpenRA.Mods.RA/Missions/Soviet01ClassicScript.cs
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@@ -129,7 +129,7 @@ namespace OpenRA.Mods.RA.Missions
.OrderBy(a => (startJeep.CenterPosition - a.CenterPosition).LengthSquared)
.First();
Combat.DoExplosion(bridge, "Demolish", bridge.CenterPosition);
world.WorldActor.Trait<ScreenShaker>().AddEffect(15, bridge.CenterLocation.ToFloat2(), 6);
world.WorldActor.Trait<ScreenShaker>().AddEffect(15, bridge.CenterPosition, 6);
bridge.Kill(bridge);
}));
}