[ts][threejs] Fixed physics example.

Author: davidetan

spine-ts/spine-threejs/example/physics.html

@@ -39,8 +39,6 @@
         let skeletonFile = "celestial-circus-pro.json";
         let atlasFile = `celestial-circus${pma ? "-pma" : ""}.atlas`;
 
-        let animation = "eyeblink-long";
-
         function init() {
           // create the THREE.JS camera, scene and renderer (WebGL)
           let width = window.innerWidth,
@@ -99,8 +97,8 @@
                 parameters.alphaTest = 0.001;
               }
             );
-            skeletonMesh.state.setAnimation(0, animation, true);
-            skeletonMesh.state.setAnimation(1, "swing", true);
+            skeletonMesh.state.setAnimation(0, "swing", true);
+            skeletonMesh.state.setAnimation(1, "eyeblink-long", true);
             mesh.add(skeletonMesh);
 
             skeletonMesh.position.y = -300;