Force projection disappearing visuals (#4504)

* forceShrink

* forceShrink

* more quicker to tell it apart from a shield down

core/src/mindustry/content/Fx.java

@@ -723,6 +723,19 @@ public class Fx{
         stroke(2f * e.fout());
         Lines.circle(e.x, e.y, 5f * e.fout());
     }),
+    
+    forceShrink = new Effect(30, e -> {
+        color(e.color, e.fout());
+        if(Core.settings.getBool("animatedshields")){
+            Fill.poly(e.x, e.y, 6, e.rotation * e.fout());
+        }else{
+            stroke(1.5f);
+            Draw.alpha(0.09f);
+            Fill.poly(e.x, e.y, 6, e.rotation * e.fout());
+            Draw.alpha(1f);
+            Lines.poly(e.x, e.y, 6, e.rotation * e.fout());
+        }
+    }).layer(Layer.shields),
 
     flakExplosionBig = new Effect(30, e -> {
         color(Pal.bulletYellowBack);

core/src/mindustry/world/blocks/defense/ForceProjector.java

@@ -117,6 +117,8 @@ public class ForceProjector extends Block{
 
         @Override
         public void onRemoved(){
+            float radius = realRadius();
+            if(!broken && radius > 1f) Fx.forceShrink.at(x, y, radius, team.color);
             super.onRemoved();
             drawer.remove();
         }