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5f088c419e
Parallel.ForEach(IEnumerable<T>) allocates KeyValuePair<long, T>[] chunks internally for work distribution. Passing a List<T> avoids this entirely.
26 lines
661 B
C#
26 lines
661 B
C#
namespace Sandbox;
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/// <summary>
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/// Simulates VerletRope components in parallel during PrePhysicsStep
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/// </summary>
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internal sealed class VerletRopeGameSystem : GameObjectSystem
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{
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private readonly List<VerletRope> _ropes = new();
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public VerletRopeGameSystem( Scene scene ) : base( scene )
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{
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// Listen to StartFixedUpdate to run before physics
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Listen( Stage.StartFixedUpdate, -100, UpdateRopes, "UpdateRopes" );
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}
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void UpdateRopes()
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{
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_ropes.Clear();
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Scene.GetAll<VerletRope>( _ropes );
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if ( _ropes.Count == 0 ) return;
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var timeDelta = Time.Delta;
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Sandbox.Utility.Parallel.ForEach( _ropes, rope => rope.Simulate( timeDelta ) );
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}
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}
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