Updated item transfer visuals, centered block inventory

core/src/io/anuke/mindustry/entities/ItemTransfer.java

@@ -1,5 +1,6 @@
 package io.anuke.mindustry.entities;
 
+import com.badlogic.gdx.math.Interpolation;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.utils.Pools;
 import io.anuke.mindustry.Vars;
@@ -7,6 +8,10 @@ import io.anuke.mindustry.type.Item;
 import io.anuke.ucore.entities.Entity;
 import io.anuke.ucore.entities.TimedEntity;
 import io.anuke.ucore.function.Callable;
+import io.anuke.ucore.graphics.Draw;
+import io.anuke.ucore.graphics.Fill;
+import io.anuke.ucore.graphics.Lines;
+import io.anuke.ucore.util.Mathf;
 import io.anuke.ucore.util.Position;
 
 public class ItemTransfer extends TimedEntity{
@@ -14,6 +19,7 @@ public class ItemTransfer extends TimedEntity{
     private Vector2 current = new Vector2();
     private Vector2 tovec = new Vector2();
     private Item item;
+    private float seed;
     private Position to;
     private Callable done;
 
@@ -24,6 +30,7 @@ public class ItemTransfer extends TimedEntity{
         tr.to = to;
         tr.done = done;
         tr.lifetime = 60f;
+        tr.seed = Mathf.range(1f);
         tr.add();
     }
 
@@ -42,19 +49,33 @@ public class ItemTransfer extends TimedEntity{
 
     @Override
     public void removed() {
+        done.run();
         Pools.free(this);
     }
 
     @Override
     public void update() {
         super.update();
-        current.set(from).lerp(tovec.set(to.getX(), to.getY()), fin());
+        current.set(from).interpolate(tovec.set(to.getX(), to.getY()), fin(), Interpolation.pow3);
+        current.add(tovec.set(to.getX(), to.getY()).sub(from).nor().rotate90(1).scl(seed * fslope() * 10f));
         set(current.x, current.y);
     }
 
     @Override
     public void draw() {
+        float length = fslope()*6f;
+        float angle = current.set(x, y).sub(from).angle();
+        Draw.color("accent");
+        Lines.stroke(fslope()*2f);
 
+        Lines.circle(x, y, fslope()*2f);
+        Lines.lineAngleCenter(x, y, angle, length);
+        Lines.lineAngle(x, y, angle, fout()*6f);
+
+        Draw.color(item.color);
+        Fill.circle(x, y, fslope()*1.5f);
+
+        Draw.reset();
     }
 
     @Override