Minor code changes

Author: lwjglgamedev

chapter-19/src/main/java/org/lwjglb/engine/graph/Mesh.java

@@ -138,4 +138,4 @@ public int getNumVertices() {
     public final int getVaoId() {
         return vaoId;
     }
-}
+}

chapter-20/src/main/java/org/lwjglb/engine/graph/Mesh.java

@@ -116,6 +116,14 @@ public void cleanup() {
         glDeleteVertexArrays(vaoId);
     }
 
+    public Vector3f getAabbMax() {
+        return aabbMax;
+    }
+
+    public Vector3f getAabbMin() {
+        return aabbMin;
+    }
+
     public int getNumVertices() {
         return numVertices;
     }

chapter-20/src/main/java/org/lwjglb/engine/scene/ModelLoader.java

@@ -194,9 +194,9 @@ private static List<Model.Animation> processAnimations(AIScene aiScene, List<Bon
             animations.add(animation);
 
             for (int j = 0; j < maxFrames; j++) {
-                Matrix4f[] bonesMatrices = new Matrix4f[MAX_BONES];
-                Arrays.fill(bonesMatrices, IDENTITY_MATRIX);
-                Model.AnimatedFrame animatedFrame = new Model.AnimatedFrame(bonesMatrices);
+                Matrix4f[] boneMatrices = new Matrix4f[MAX_BONES];
+                Arrays.fill(boneMatrices, IDENTITY_MATRIX);
+                Model.AnimatedFrame animatedFrame = new Model.AnimatedFrame(boneMatrices);
                 buildFrameMatrices(aiAnimation, boneList, animatedFrame, j, rootNode,
                         rootNode.getNodeTransformation(), globalInverseTransformation);
                 frames.add(animatedFrame);