jme3-examples: TestLodStress - test code optimization

jme3-examples/src/main/java/jme3test/stress/TestLodStress.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2020 jMonkeyEngine
+ * Copyright (c) 2009-2025 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,63 +29,92 @@
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-
 package jme3test.stress;
 
 import com.jme3.app.SimpleApplication;
+import com.jme3.input.KeyInput;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.input.controls.Trigger;
 import com.jme3.light.DirectionalLight;
 import com.jme3.material.Material;
-import com.jme3.math.Quaternion;
+import com.jme3.material.RenderState;
 import com.jme3.math.Vector3f;
 import com.jme3.scene.Geometry;
 import com.jme3.scene.Node;
 import com.jme3.scene.control.LodControl;
 
-public class TestLodStress extends SimpleApplication {
+public class TestLodStress extends SimpleApplication implements ActionListener {
 
-    public static void main(String[] args){
+    public static void main(String[] args) {
         TestLodStress app = new TestLodStress();
-        app.setShowSettings(false);
         app.setPauseOnLostFocus(false);
         app.start();
     }
 
+    private Material lightMaterial;
+    private final Node debugNode = new Node("DebugNode");
+
     @Override
     public void simpleInitApp() {
+
+        configureCamera();
+
         DirectionalLight dl = new DirectionalLight();
-        dl.setDirection(new Vector3f(-1,-1,-1).normalizeLocal());
+        dl.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
         rootNode.addLight(dl);
 
         Node teapotNode = (Node) assetManager.loadModel("Models/Teapot/Teapot.mesh.xml");
         Geometry teapot = (Geometry) teapotNode.getChild(0);
-
-//        Sphere sph = new Sphere(16, 16, 4);
-//        Geometry teapot = new Geometry("teapot", sph);
-
-        Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
-        mat.setFloat("Shininess", 16f);
-        mat.setBoolean("VertexLighting", true);
-        teapot.setMaterial(mat);
-
-        // A special Material to visualize mesh normals:
-        //Material mat = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");
-
-        for (int y = -10; y < 10; y++){
-            for (int x = -10; x < 10; x++){
-                Geometry clonePot = teapot.clone();
-
-                //clonePot.setMaterial(mat);
-                clonePot.setLocalTranslation(x * .5f, 0, y * .5f);
-                clonePot.setLocalScale(.15f);
-
-                LodControl control = new LodControl();
-                clonePot.addControl(control);
-                rootNode.attachChild(clonePot);
+
+        lightMaterial = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
+        lightMaterial.setFloat("Shininess", 16f);
+        lightMaterial.setBoolean("VertexLighting", true);
+        lightMaterial.getAdditionalRenderState().setWireframe(true);
+        teapot.setMaterial(lightMaterial);
+
+        boolean cloneMaterial = false;
+        for (int y = -10; y < 10; y++) {
+            for (int x = -10; x < 10; x++) {
+                Geometry geo = teapot.clone(cloneMaterial);
+                geo.setLocalTranslation(x * .5f, 0, y * .5f);
+                geo.setLocalScale(.15f);
+
+                geo.addControl(new LodControl());
+                debugNode.attachChild(geo);
             }
         }
 
-        cam.setLocation(new Vector3f(8.378951f, 5.4324f, 8.795956f));
-        cam.setRotation(new Quaternion(-0.083419204f, 0.90370524f, -0.20599906f, -0.36595422f));
+        rootNode.attachChild(debugNode);
+        registerInputMappings();
+    }
+
+    @Override
+    public void onAction(String name, boolean isPressed, float tpf) {
+        if (!isPressed) return;
+
+        if (name.equals("toggleWireframe")) {
+            RenderState renderState = lightMaterial.getAdditionalRenderState();
+            boolean wireframe = renderState.isWireframe();
+            renderState.setWireframe(!wireframe);
+        }
+    }
+
+    private void registerInputMappings() {
+        addMapping("toggleWireframe", new KeyTrigger(KeyInput.KEY_SPACE));
+    }
+
+    private void addMapping(String mappingName, Trigger... triggers) {
+        inputManager.addMapping(mappingName, triggers);
+        inputManager.addListener(this, mappingName);
+    }
+
+    private void configureCamera() {
+        flyCam.setMoveSpeed(25f);
+        flyCam.setDragToRotate(true);
+
+        cam.setLocation(Vector3f.UNIT_XYZ.mult(8f));
+        cam.lookAt(Vector3f.ZERO, Vector3f.UNIT_Y);
     }
 
 }