添加插件

Assets/Obi/Scripts/Common/Collisions/ColliderTrackers/Trackers2D/ObiEdgeShapeTracker2D.cs

@@ -0,0 +1,72 @@
+using System;
+using UnityEngine;
+using System.Runtime.InteropServices;
+
+namespace Obi{
+
+	public class ObiEdgeShapeTracker2D : ObiShapeTracker
+	{
+        ObiEdgeMeshHandle handle;
+
+        public ObiEdgeShapeTracker2D(ObiCollider2D source, EdgeCollider2D collider)
+        {
+            this.source = source;
+			this.collider = collider;
+		}		
+
+		public void UpdateEdgeData()
+        {
+            ObiColliderWorld.GetInstance().DestroyEdgeMesh(handle);
+        }
+	
+		public override void UpdateIfNeeded (){
+
+			EdgeCollider2D edgeCollider = collider as EdgeCollider2D;
+
+            // retrieve collision world and index:
+            var world = ObiColliderWorld.GetInstance();
+            int index = source.Handle.index;
+
+            // get or create the mesh:
+            if (handle == null || !handle.isValid)
+            {
+                handle = world.GetOrCreateEdgeMesh(edgeCollider);
+                handle.Reference();
+            }
+
+            // update collider:
+            var shape = world.colliderShapes[index];
+            shape.is2D = true;
+            shape.type = ColliderShape.ShapeType.EdgeMesh;
+            shape.filter = source.Filter;
+            shape.SetSign(source.Inverted);
+            shape.isTrigger = edgeCollider.isTrigger;
+            shape.rigidbodyIndex = source.Rigidbody != null ? source.Rigidbody.Handle.index : -1;
+            shape.materialIndex = source.CollisionMaterial != null ? source.CollisionMaterial.handle.index : -1;
+            shape.forceZoneIndex = source.ForceZone != null ? source.ForceZone.Handle.index : -1;
+            shape.center = edgeCollider.offset;
+            shape.contactOffset = source.Thickness + edgeCollider.edgeRadius;
+            shape.dataIndex = handle.index;
+            world.colliderShapes[index] = shape;
+
+            // update bounds:
+            var aabb = world.colliderAabbs[index];
+            aabb.FromBounds(edgeCollider.bounds, shape.contactOffset, true);
+            world.colliderAabbs[index] = aabb;
+
+            // update transform:
+            var trfm = world.colliderTransforms[index];
+            trfm.FromTransform2D(edgeCollider.transform, source.Rigidbody as ObiRigidbody2D);
+            world.colliderTransforms[index] = trfm;
+		}
+
+        public override void Destroy()
+        {
+            base.Destroy();
+
+            if (handle != null && handle.Dereference())
+                ObiColliderWorld.GetInstance().DestroyEdgeMesh(handle);
+        }
+    }
+}
+