Improved coal centrifuge update effect

core/src/mindustry/content/Blocks.java

@@ -712,7 +712,7 @@ public class Blocks implements ContentList{
 
         coalCentrifuge = new GenericCrafter("coal-centrifuge"){{
             requirements(Category.crafting, with(Items.titanium, 20, Items.graphite, 40, Items.lead, 30));
-            craftEffect = Fx.smeltsmoke;
+            craftEffect = Fx.coalSmeltsmoke;
             outputItem = new ItemStack(Items.coal, 1);
             craftTime = 30f;
             size = 2;

core/src/mindustry/content/Fx.java

@@ -1622,6 +1622,13 @@ public class Fx{
         });
     }),
 
+    coalSmeltsmoke = new Effect(40f, e -> {
+        randLenVectors(e.id, 0.2f + e.fin(), 4, 6.3f, (x, y, fin, out) -> {
+            color(Color.darkGray, Pal.coalBlack, e.finpowdown());
+            Fill.circle(e.x + x, e.y + y, out * 2f + 0.25f);
+        });
+    }),
+
     formsmoke = new Effect(40, e -> {
         randLenVectors(e.id, 6, 5f + e.fin() * 8f, (x, y) -> {
             color(Pal.plasticSmoke, Color.lightGray, e.fin());

core/src/mindustry/graphics/Pal.java

@@ -6,6 +6,7 @@ public class Pal{
     public static Color
 
     thoriumPink = Color.valueOf("f9a3c7"),
+    coalBlack = Color.valueOf("272727"),
 
     items = Color.valueOf("2ea756"),
     command = Color.valueOf("eab678"),