consistent explosionRadius = 1.5 between physics and visuals

Author: stephengold

game/src/main/java/mygame/weapon/ExplosiveArrowControl.java

@@ -38,7 +38,6 @@ public class ExplosiveArrowControl extends AdapterControl implements PhysicsColl
 
     public float maxFlyingTime = 10f;
     public float explosionForce = 20f;
-    public float explosionRadius = 4f;
     public ExplosionPrefab explosionPrefab;
 
     public ExplosiveArrowControl() {
@@ -56,7 +55,7 @@ public void setSpatial(Spatial sp) {
     }
 
     private void createGhostObject() {
-        ghostObject = new PhysicsGhostObject(new SphereCollisionShape(explosionRadius));
+        ghostObject = new PhysicsGhostObject(new SphereCollisionShape(FireWeapon.explosionRadius));
     }
 
     @Override
@@ -134,7 +133,7 @@ private void explode() {
                 PhysicsRigidBody rb = (PhysicsRigidBody) pco;
                 if (rb.getMass() > 0) {
                     logger.log(Level.INFO, "addExplosionForce to: {0}", gameObject);
-                    Physics.addExplosionForce(rb, explosionForce, rigidBody.getPhysicsLocation(), explosionRadius);
+                    Physics.addExplosionForce(rb, explosionForce, rigidBody.getPhysicsLocation(), FireWeapon.explosionRadius);
                 }
                 if (!affectedGameObjects.contains(gameObject)) {
                     affectedGameObjects.add(gameObject);

game/src/main/java/mygame/weapon/FireWeapon.java

@@ -27,7 +27,7 @@ public class FireWeapon extends Weapon {
     private static final Logger logger = Logger.getLogger(FireWeapon.class.getName());
 
     public float distance = 30f;
-    public float explosionRadius = 5;
+    public static float explosionRadius = 1.5f;
     public float baseStrength = 10f;
     public int layerMask = Main.DEFAULT_GROUP;
     public AudioNode impactSFX;