add countHits() methods to 5 more all-hit collector classes

Author: stephengold

src/main/java/com/github/stephengold/joltjni/AllHitCastRayCollector.java

@@ -44,6 +44,17 @@ public AllHitCastRayCollector() {
     // *************************************************************************
     // new methods exposed
 
+    /**
+     * Count the hits.
+     *
+     * @return the count (≥0)
+     */
+    public int countHits() {
+        long collectorVa = va();
+        int result = countHits(collectorVa);
+        return result;
+    }
+
     /**
      * Access the hit with the specified index.
      *

src/main/java/com/github/stephengold/joltjni/AllHitCastShapeCollector.java

@@ -44,6 +44,17 @@ public AllHitCastShapeCollector() {
     // *************************************************************************
     // new methods exposed
 
+    /**
+     * Count the hits.
+     *
+     * @return the count (≥0)
+     */
+    public int countHits() {
+        long collectorVa = va();
+        int result = countHits(collectorVa);
+        return result;
+    }
+
     /**
      * Access the hit with the specified index.
      *

src/main/java/com/github/stephengold/joltjni/AllHitCollidePointCollector.java

@@ -44,6 +44,17 @@ public AllHitCollidePointCollector() {
     // *************************************************************************
     // new methods exposed
 
+    /**
+     * Count the hits.
+     *
+     * @return the count (≥0)
+     */
+    public int countHits() {
+        long collectorVa = va();
+        int result = countHits(collectorVa);
+        return result;
+    }
+
     /**
      * Access the hit with the specified index.
      *

src/main/java/com/github/stephengold/joltjni/AllHitCollideShapeCollector.java

@@ -44,6 +44,17 @@ public AllHitCollideShapeCollector() {
     // *************************************************************************
     // new methods exposed
 
+    /**
+     * Count the hits.
+     *
+     * @return the count (≥0)
+     */
+    public int countHits() {
+        long collectorVa = va();
+        int result = countHits(collectorVa);
+        return result;
+    }
+
     /**
      * Access the hit with the specified index. (native attribute: mHits)
      *

src/main/java/com/github/stephengold/joltjni/AllHitRayCastBodyCollector.java

@@ -44,6 +44,17 @@ public AllHitRayCastBodyCollector() {
     // *************************************************************************
     // new methods exposed
 
+    /**
+     * Count the hits.
+     *
+     * @return the count (≥0)
+     */
+    public int countHits() {
+        long collectorVa = va();
+        int result = countHits(collectorVa);
+        return result;
+    }
+
     /**
      * Access the hit with the specified index.
      *