Fixed ClassCastException thrown on Junction use and turret prediction

core/src/io/anuke/mindustry/entities/enemies/Enemy.java

@@ -12,6 +12,7 @@ import io.anuke.mindustry.world.Tile;
 import io.anuke.ucore.core.Draw;
 import io.anuke.ucore.core.Effects;
 import io.anuke.ucore.entities.*;
+import io.anuke.ucore.util.Mathf;
 import io.anuke.ucore.util.Timers;
 
 public class Enemy extends DestructibleEntity{
@@ -122,11 +123,11 @@ public class Enemy extends DestructibleEntity{
 		
 		move();
 		
-		xvelocity = x - lastx;
-		yvelocity = y - lasty;
+		xvelocity = (x - lastx) / Mathf.delta();
+		yvelocity = (y - lasty) / Mathf.delta();
 		
 		if(target == null){
-			direction.add(xvelocity, yvelocity);
+			direction.add(xvelocity * Mathf.delta(), yvelocity * Mathf.delta());
 			direction.limit(speed*rotatespeed);
 		}else{
 			float angle = angleTo(target);

core/src/io/anuke/mindustry/entities/enemies/TestEnemy.java

@@ -0,0 +1,22 @@
+package io.anuke.mindustry.entities.enemies;
+
+import io.anuke.ucore.util.Mathf;
+import io.anuke.ucore.util.Timers;
+
+public class TestEnemy extends Enemy{
+	boolean dir = false;
+
+	public TestEnemy(int spawn) {
+		super(spawn);
+		maxhealth = 99999;
+		heal();
+	}
+	
+	void move(){
+		if(Timers.get(this, "asd", 300)){
+			dir = !dir;
+		}
+		
+		move(dir ? -0.3f * Mathf.delta() : 0.3f * Mathf.delta(),  0);
+	}
+}