Float3: add a put(FloatBuffer) method

src/main/java/com/github/stephengold/joltjni/Float3.java

@@ -21,6 +21,8 @@ of this software and associated documentation files (the "Software"), to deal
  */
 package com.github.stephengold.joltjni;
 
+import java.nio.FloatBuffer;
+
 /**
  * A vector composed of 3 single-precision components, used as a storage class.
  *
@@ -102,6 +104,18 @@ public float get(int index) {
         }
     }
 
+    /**
+     * Write all 3 components to the specified buffer and advance the buffer's
+     * position by 3. The vector is unaffected.
+     *
+     * @param storeBuffer the destination buffer (not null)
+     */
+    public void put(FloatBuffer storeBuffer) {
+        storeBuffer.put(x);
+        storeBuffer.put(y);
+        storeBuffer.put(z);
+    }
+
     /**
      * Set all 3 components to specified values.
      *