Integrate shared physics engine for player movement and collision handling, refine 20 TPS gameplay logic, and enhance client prediction with server-reconciliation updates.

cmd/client/connection_wasm.go

@@ -75,9 +75,17 @@ func (g *Game) connectToServer() {
 				// Out-of-Order-Erkennung: Ignoriere alte Updates
 				if state.Sequence > 0 && state.Sequence <= g.lastRecvSeq {
 					// Alte Nachricht - ignorieren
+					g.outOfOrderCount++
 					return nil
 				}
 				g.lastRecvSeq = state.Sequence
+				g.totalUpdates++
+				g.lastUpdateTime = time.Now()
+
+				// Aktualisiere CurrentSpeed für Client-Prediction
+				g.predictionMutex.Lock()
+				g.currentSpeed = state.CurrentSpeed
+				g.predictionMutex.Unlock()
 
 				// Server Reconciliation für lokalen Spieler (VOR dem Lock)
 				for _, p := range state.Players {