去掉obi，使用自写绳索

Assets/Obi/Scripts/Common/Rendering/ObiParticleRenderer.cs

@@ -1,78 +0,0 @@
-using UnityEngine;
-
-namespace Obi
-{
-    public interface IParticleRenderer
-    {
-        public ObiActor actor { get; }
-        public Color particleColor { get; }
-        public float radiusScale { get; }
-    }
-
-    public struct ParticleRendererData
-    {
-        public Color color;
-        public float radiusScale;
-
-        public ParticleRendererData(Color color, float radiusScale)
-        {
-            this.color = color;
-            this.radiusScale = radiusScale;
-        }
-    }
-
-    [AddComponentMenu("Physics/Obi/Obi Particle Renderer", 1000)]
-    [ExecuteInEditMode]
-    [RequireComponent(typeof(ObiActor))]
-    public class ObiParticleRenderer : MonoBehaviour, IParticleRenderer, ObiActorRenderer<ObiParticleRenderer>
-    {
-        public Material material;
-        public RenderBatchParams renderParameters = new RenderBatchParams(true);
-
-        [field: SerializeField]
-        public Color particleColor { get; set; } = Color.white;
-
-        [field: SerializeField]
-        public float radiusScale { get; set; } = 1;
-
-        public ObiActor actor { get; private set; }
-
-        public void Awake()
-        {
-            actor = GetComponent<ObiActor>();
-        }
-
-        public void OnEnable()
-        {
-            ((ObiActorRenderer<ObiParticleRenderer>)this).EnableRenderer();
-        }
-
-        public void OnDisable()
-        {
-            ((ObiActorRenderer<ObiParticleRenderer>)this).DisableRenderer();
-        }
-
-        public void OnValidate()
-        {
-            ((ObiActorRenderer<ObiParticleRenderer>)this).SetRendererDirty(Oni.RenderingSystemType.Particles);
-        }
-
-        RenderSystem<ObiParticleRenderer> ObiRenderer<ObiParticleRenderer>.CreateRenderSystem(ObiSolver solver)
-        {
-            switch (solver.backendType)
-            {
-
-#if (OBI_BURST && OBI_MATHEMATICS && OBI_COLLECTIONS)
-                case ObiSolver.BackendType.Burst: return new BurstParticleRenderSystem(solver);
-#endif
-                case ObiSolver.BackendType.Compute:
-                default:
-
-                    if (SystemInfo.supportsComputeShaders)
-                        return new ComputeParticleRenderSystem(solver);
-                    return null;
-            }
-        }
-    }
-}
-