More random unit effects (#5272)

* More random fall smoke effects

* Do the same with status effects.

core/src/mindustry/entities/comp/UnitComp.java

@@ -348,7 +348,7 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
 
             //standard fall smoke
             if(Mathf.chanceDelta(0.1)){
-                Tmp.v1.setToRandomDirection().scl(hitSize);
+                Tmp.v1.rnd(Mathf.range(hitSize));
                 type.fallEffect.at(x + Tmp.v1.x, y + Tmp.v1.y);
             }
 

core/src/mindustry/type/StatusEffect.java

@@ -123,7 +123,7 @@ public class StatusEffect extends UnlockableContent{
         }
 
         if(effect != Fx.none && Mathf.chanceDelta(effectChance)){
-            Tmp.v1.rnd(unit.type.hitSize /2f);
+            Tmp.v1.rnd(Mathf.range(unit.type.hitSize/2f));
             effect.at(unit.x + Tmp.v1.x, unit.y + Tmp.v1.y);
         }
     }