Fixed #10410

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

@@ -59,6 +59,8 @@ abstract class HealthComp implements Entityc, Posc{
     }
 
     void damage(float amount){
+        if(Float.isNaN(health)) health = 0f;
+
         health -= amount;
         hitTime = 1f;
         if(health <= 0 && !dead){
@@ -86,6 +88,7 @@ abstract class HealthComp implements Entityc, Posc{
 
     void clampHealth(){
         health = Math.min(health, maxHealth);
+        if(Float.isNaN(health)) health = 0f;
     }
 
     /** Heals by a flat amount. */

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

@@ -45,6 +45,8 @@ abstract class ShieldComp implements Healthc, Posc{
     protected void rawDamage(float amount){
         boolean hadShields = shield > 0.0001f;
 
+        if(Float.isNaN(health)) health = 0f;
+
         if(hadShields){
             shieldAlpha = 1f;
         }