epic/OpenRA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

multipath lightning - shows up some flaws in the lightning code, though

Browse Source
This commit is contained in:
Chris Forbes
2010-05-25 20:23:50 +12:00
parent e8829f8e92
commit fcea5bd2f0
1 changed files with 52 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
OpenRA.Game/Effects/TeslaZap.cs
View File

@@ -19,9 +19,10 @@
#endregion #endregion
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq;
using OpenRA.GameRules;
using OpenRA.Graphics; using OpenRA.Graphics;
using OpenRA.Traits; using OpenRA.Traits;
using OpenRA.GameRules;
namespace OpenRA.Effects namespace OpenRA.Effects
{ {
@@ -33,14 +34,21 @@ namespace OpenRA.Effects
class TeslaZap : IEffect class TeslaZap : IEffect
{ {
readonly ProjectileArgs Args; readonly ProjectileArgs Args;
readonly Sequence tesla;
int timeUntilRemove = 2; // # of frames int timeUntilRemove = 2; // # of frames
bool doneDamage = false; bool doneDamage = false;
const int numZaps = 3;
readonly List<Renderable> renderables = new List<Renderable>();
public TeslaZap(TeslaZapInfo info, ProjectileArgs args) public TeslaZap(TeslaZapInfo info, ProjectileArgs args)
{ {
Args = args; Args = args;
tesla = SequenceProvider.GetSequence("litning", "bright"); var bright = SequenceProvider.GetSequence("litning", "bright");
var dim = SequenceProvider.GetSequence("litning", "dim");
for (var n = 0; n < numZaps; n++)
renderables.AddRange(DrawZapWandering(args.src, args.dest, n == numZaps - 1 ? bright : dim));
} }
public void Tick( World world ) public void Tick( World world )
@@ -56,20 +64,45 @@ namespace OpenRA.Effects
} }
} }
public IEnumerable<Renderable> Render() public IEnumerable<Renderable> Render() { return renderables; }
{
var from = Args.src;
var to = Args.dest;
if( from.X < to.X ) static IEnumerable<Renderable> DrawZapWandering(int2 from, int2 to, Sequence s)
return DrawZap( from, to, tesla ); {
else if( from.X > to.X || from.Y > to.Y ) var dist = to - from;
return DrawZap( to, from, tesla ); var norm = (1f / dist.Length) * new float2(-dist.Y, dist.X);
var renderables = new List<Renderable>();
if (Game.CosmeticRandom.Next(2) != 0)
{
var p1 = from + (1 / 3f) * dist.ToFloat2() + Game.CosmeticRandom.Gauss1D(1) * .2f * dist.Length * norm;
var p2 = from + (2 / 3f) * dist.ToFloat2() + Game.CosmeticRandom.Gauss1D(1) * .2f * dist.Length * norm;
renderables.AddRange(DrawZap(from, p1.ToInt2(), s));
renderables.AddRange(DrawZap(p1.ToInt2(), p2.ToInt2(), s));
renderables.AddRange(DrawZap(p2.ToInt2(), to, s));
}
else else
return DrawZap( from, to, tesla ); {
var p1 = from + (1 / 2f) * dist.ToFloat2() + Game.CosmeticRandom.Gauss1D(1) * .2f * dist.Length * norm;
renderables.AddRange(DrawZap(from, p1.ToInt2(), s));
renderables.AddRange(DrawZap(p1.ToInt2(), to, s));
}
return renderables;
} }
static IEnumerable<Renderable> DrawZap( int2 from, int2 to, Sequence tesla ) static IEnumerable<Renderable> DrawZap(int2 from, int2 to, Sequence s)
{
if (from.X < to.X)
return DrawZapInner(from, to, s);
else if (from.X > to.X || from.Y > to.Y)
return DrawZapInner(to, from, s);
else
return DrawZapInner(from, to, s);
}
static IEnumerable<Renderable> DrawZapInner( int2 from, int2 to, Sequence s )
{ {
int2 d = to - from; int2 d = to - from;
if( d.X < 8 ) if( d.X < 8 )
@@ -78,7 +111,7 @@ namespace OpenRA.Effects
var y = d.Y; var y = d.Y;
while( y >= prev.Y + 8 ) while( y >= prev.Y + 8 )
{ {
yield return new Renderable( tesla.GetSprite( 2 ), (float2)( from + prev - new int2( 0, 8 ) ), "effect"); yield return new Renderable( s.GetSprite( 2 ), (float2)( from + prev - new int2( 0, 8 ) ), "effect");
prev.Y += 8; prev.Y += 8;
} }
} }
@@ -90,26 +123,26 @@ namespace OpenRA.Effects
var y = i * d.Y / d.X; var y = i * d.Y / d.X;
if( y <= prev.Y - 8 ) if( y <= prev.Y - 8 )
{ {
yield return new Renderable(tesla.GetSprite(3), (float2)(from + prev - new int2(8, 16)), "effect"); yield return new Renderable(s.GetSprite(3), (float2)(from + prev - new int2(8, 16)), "effect");
prev.Y -= 8; prev.Y -= 8;
while( y <= prev.Y - 8 ) while( y <= prev.Y - 8 )
{ {
yield return new Renderable(tesla.GetSprite(2), (float2)(from + prev - new int2(0, 16)), "effect"); yield return new Renderable(s.GetSprite(2), (float2)(from + prev - new int2(0, 16)), "effect");
prev.Y -= 8; prev.Y -= 8;
} }
} }
else if( y >= prev.Y + 8 ) else if( y >= prev.Y + 8 )
{ {
yield return new Renderable(tesla.GetSprite(0), (float2)(from + prev - new int2(8, 8)), "effect"); yield return new Renderable(s.GetSprite(0), (float2)(from + prev - new int2(8, 8)), "effect");
prev.Y += 8; prev.Y += 8;
while( y >= prev.Y + 8 ) while( y >= prev.Y + 8 )
{ {
yield return new Renderable(tesla.GetSprite(2), (float2)(from + prev - new int2(0, 8)), "effect"); yield return new Renderable(s.GetSprite(2), (float2)(from + prev - new int2(0, 8)), "effect");
prev.Y += 8; prev.Y += 8;
} }
} }
else else
yield return new Renderable(tesla.GetSprite(1), (float2)(from + prev - new int2(8, 8)), "effect"); yield return new Renderable(s.GetSprite(1), (float2)(from + prev - new int2(8, 8)), "effect");
prev.X += 8; prev.X += 8;
} }