fix: fix entity.speed and player.speed (#184)

Author: xiaoqch

src/legacy/api/EntityAPI.cpp

@@ -625,7 +625,7 @@ Local<Value> EntityClass::getSpeed() {
         Actor* entity = get();
         if (!entity) return Local<Value>();
 
-        return Number::newNumber((float)entity->getPosDelta().length() * 20.0);
+        return Number::newNumber(entity->getPosDeltaPerSecLength());
     }
     CATCH("Fail in getSpeed!")
 }

src/legacy/api/PlayerAPI.cpp

@@ -999,7 +999,7 @@ Local<Value> PlayerClass::getSpeed() {
         Player* player = get();
         if (!player) return Local<Value>();
 
-        return Number::newNumber(player->getSpeed());
+        return Number::newNumber(player->getPosDeltaPerSecLength());
     }
     CATCH("Fail in getSpeed!")
 }
@@ -1424,8 +1424,7 @@ Local<Value> PlayerClass::isMoving() {
             return Local<Value>();
         }
 
-        return Boolean::newBoolean(
-            SynchedActorDataAccess::getActorFlag(player->getEntityContext(), ActorFlags::Moving)
+        return Boolean::newBoolean(SynchedActorDataAccess::getActorFlag(player->getEntityContext(), ActorFlags::Moving)
         );
     }
     CATCH("Fail in isMoving!")