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@@ -7,513 +7,9 @@
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ifdef::env-github,env-browser[:outfilesuffix: .adoc]
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+== Normen Hansen Videos
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-== How to control any scene node source code
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-
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-.RotatingControl.java
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-[source,java]
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-----
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-
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-package mygame;
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-import com.jme3.renderer.RenderManager;
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-import com.jme3.renderer.ViewPort;
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-import com.jme3.scene.Spatial;
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-import com.jme3.scene.control.AbstractControl;
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-import com.jme3.scene.control.Control;
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-
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-/**
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- *
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- * @author normenhansen
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- */
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-public class RotatingControl extends AbstractControl {
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-
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- private float speed = 1;
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-
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- @Override
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- protected void controlUpdate(float tpf) {
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- spatial.rotate(0, 0, tpf * speed);
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- }
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-
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- @Override
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- protected void controlRender(RenderManager rm, ViewPort vp) {
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- //Only needed for rendering-related operations,
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- //not called when spatial is culled.
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- }
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-
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- @Override
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- public Control cloneForSpatial(Spatial spatial) {
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- RotatingControl control = new RotatingControl();
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- control.setSpeed(speed);
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- control.setSpatial(spatial);
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- return control;
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- }
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-
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- /**
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- * @return the speed
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- */
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- public float getSpeed() {
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- return speed;
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- }
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-
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- /**
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- * @param speed the speed to set
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- */
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- public void setSpeed(float speed) {
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- this.speed = speed;
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- }
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-}
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-----
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-
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-
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-== How to control a character in a scene source code
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-
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-The source code and assets for the Normen Hansen video link:http://www.youtube.com/watch?v=MNDiZ9YHIpM[Video: How to control any scene node] and link:http://www.youtube.com/watch?v=-OzRZscLlHY[Video: How to remote control a character in a scene] can be found in the zip archive link:https://github.com/jMonkeyEngine/wiki/blob/master/src/docs/resources/Scenes/SDK-UsecaseDemo_1.zip[SDK-UsecaseDemo_1.zip].
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+The source code and assets for the Normen Hansen video link:http://www.youtube.com/watch?v=MNDiZ9YHIpM[How to control any scene node] and link:http://www.youtube.com/watch?v=-OzRZscLlHY[How to remote control a character in a scene] can be found in the zip archive link:https://github.com/jMonkeyEngine/wiki/raw/master/src/docs/resources/Scenes/SDK-UsecaseDemo_1.zip[SDK-UsecaseDemo_1.zip].
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You can read about this code on the jMonkeyEngine forum thread, link:https://hub.jmonkeyengine.org/t/new-sdk-video-tutorial-latest-vol2/25185[New Sdk Video Tutorial (Latest:Vol2)].
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-.ConfigAppState.java
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-
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-[source,java]
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-----
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-
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-package mygame;
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-
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-import com.jme3.app.Application;
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-import com.jme3.app.SimpleApplication;
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-import com.jme3.app.state.BaseAppState;
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-import com.jme3.scene.Node;
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-import com.jme3.scene.SceneGraphVisitor;
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-import com.jme3.scene.Spatial;
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-import controls.QuixoteControl;
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-
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-/**
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- *
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- * @author normenhansen
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- */
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-public class ConfigAppState extends BaseAppState {
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-
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- private SimpleApplication app;
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- private QuixoteState state = QuixoteState.RELAXED;
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- private Spatial quixote;
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- private boolean quixoteRunning = false;
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-
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- public enum QuixoteState {
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- AGITATED, RELAXED, SLEEPING
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- }
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-
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- @Override
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- protected void initialize(Application app) {
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- this.app = (SimpleApplication) app;
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- setQuixoteRunning(true);
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- }
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-
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- @Override
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- protected void cleanup(Application app) {
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- //TODO: clean up what you initialized in the initialize method,
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- //e.g. remove all spatials from rootNode
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- }
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-
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- //onEnable()/onDisable() can be used for managing things that should
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- //only exist while the state is enabled. Prime examples would be scene
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- //graph attachment or input listener attachment.
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- @Override
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- protected void onEnable() {
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- //Called when the state is fully enabled, ie: is attached and
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- //isEnabled() is true or when the setEnabled() status changes after the
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- //state is attached.
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- }
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-
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- @Override
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- protected void onDisable() {
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- //Called when the state was previously enabled but is now disabled
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- //either because setEnabled(false) was called or the state is being
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- //cleaned up.
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- }
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-
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- @Override
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- public void update(float tpf) {
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- //TODO: implement behavior during runtime
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- }
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-
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- /**
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- * @return the quixoteRunning
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- */
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- public boolean isQuixoteRunning() {
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- return quixoteRunning;
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- }
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-
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- /**
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- * @param quixoteRunning the quixoteRunning to set
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- */
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- public void setQuixoteRunning(boolean quixoteRunning) {
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- this.quixoteRunning = quixoteRunning;
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- if (quixoteRunning) {
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- quixote = getApplication().getAssetManager().loadModel(
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- "Models/Quixote.j3o");
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- applyQuixoteState(quixote, state);
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- Node scene = (Node) app.getRootNode().getChild("Scene");
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- if (scene != null) {
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- scene.attachChild(quixote);
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- }
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- } else {
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- if (quixote != null) {
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- quixote.removeFromParent();
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- }
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- }
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- }
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-
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- /**
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- * @return the state
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- */
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- public QuixoteState getState() {
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- return state;
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- }
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-
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- /**
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- * @param state the state to set
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- */
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- public void setState(QuixoteState state) {
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- this.state = state;
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- QuixoteState quxState = state;
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- app.getRootNode().depthFirstTraversal(new SceneGraphVisitor() {
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- @Override
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- public void visit(Spatial spatial) {
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- applyQuixoteState(spatial, quxState);
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- }
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- });
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- }
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-
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- private void applyQuixoteState(Spatial spatial, QuixoteState state) {
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- QuixoteControl control = spatial.getControl(QuixoteControl.class);
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- if (control != null) {
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- switch (state) {
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- case AGITATED:
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- control.setSpeed(5.0f);
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- break;
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- case RELAXED:
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- control.setSpeed(1.0f);
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- break;
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- case SLEEPING:
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- control.setSpeed(0.0f);
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- break;
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- }
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- }
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- }
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-}
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-
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-----
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-
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-.QuixoteControl.java
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-
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-[source,java]
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-----
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-
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-package mygame;
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-
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-import com.jme3.math.Quaternion;
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-import com.jme3.math.Vector3f;
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-import com.jme3.renderer.RenderManager;
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-import com.jme3.renderer.ViewPort;
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-import com.jme3.scene.Node;
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-import com.jme3.scene.SceneGraphVisitor;
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-import com.jme3.scene.Spatial;
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-import com.jme3.scene.control.AbstractControl;
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-import com.jme3.scene.control.Control;
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-import java.util.LinkedList;
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-import java.util.List;
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-import java.util.Random;
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-
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-/**
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- *
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- * @author normenhansen
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- */
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-public class QuixoteControl extends AbstractControl {
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-
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- private Spatial myMill;
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- private float speed = 1.0f;
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- private static Random rnd = new Random(System.currentTimeMillis());
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- private final Quaternion lookRotation = new Quaternion();
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-
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- @Override
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- protected void controlUpdate(float tpf) {
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- if (myMill == null) {
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- millers();
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- }
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- runToTheMills(tpf);
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- }
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-
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- @Override
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- protected void controlRender(RenderManager rm, ViewPort vp) {
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- //Only needed for rendering-related operations,
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- //not called when spatial is culled.
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- }
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-
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- @Override
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- public Control cloneForSpatial(Spatial spatial) {
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- QuixoteControl control = new QuixoteControl();
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- control.setSpeed(speed);
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- control.setSpatial(spatial);
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- return control;
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- }
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-
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- public void millers() {
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- Node node = spatial.getParent();
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- if (node != null) {
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- final List<Spatial> mills = new LinkedList<>();
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- node.depthFirstTraversal(new SceneGraphVisitor() {
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- @Override
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- public void visit(Spatial spatial) {
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- if (spatial.getName().equals("Models/RotatingMill.j3o")) {
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- mills.add(spatial);
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- }
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- }
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- });
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- if (mills.isEmpty()) {
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- return;
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- }
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- int no = (int) ((mills.size() - 1) * rnd.nextFloat());
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- myMill = mills.get(no);
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- }
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- }
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-
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- public void runToTheMills(float tpf) {
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- if (myMill != null) {
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- Vector3f aim = myMill.getWorldTranslation();
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- Vector3f dist = aim.subtract(spatial.getWorldTranslation());
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- if (dist.length() < 1) {
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- myMill = null;
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- } else {
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- dist.normalizeLocal();
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- lookRotation.lookAt(dist, Vector3f.UNIT_Y);
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- spatial.setLocalRotation(lookRotation);
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- spatial.move(dist.multLocal(speed * tpf));
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- }
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- }
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- }
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-
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- /**
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- * @return the speed
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- */
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- public float getSpeed() {
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- return speed;
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- }
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-
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- /**
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- * @param speed the speed to set
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- */
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- public void setSpeed(float speed) {
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- this.speed = speed;
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- }
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-}
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-
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-----
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-
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-.TerrainTrackControl.java
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-
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-[source,java]
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-----
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-
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-package mygame;
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-
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-import com.jme3.collision.CollisionResult;
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-import com.jme3.collision.CollisionResults;
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-import com.jme3.export.InputCapsule;
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-import com.jme3.export.JmeExporter;
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-import com.jme3.export.JmeImporter;
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-import com.jme3.export.OutputCapsule;
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-import com.jme3.math.Ray;
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-import com.jme3.math.Vector3f;
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-import com.jme3.renderer.RenderManager;
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-import com.jme3.renderer.ViewPort;
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-import com.jme3.scene.Spatial;
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-import com.jme3.scene.control.AbstractControl;
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-import com.jme3.scene.control.Control;
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-import java.io.IOException;
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-import java.util.Iterator;
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-
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-/**
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- *
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- * @author normenhansen
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- */
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-public class TerrainTrackControl extends AbstractControl {
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- //Any local variables should be encapsulated by getters/setters so they
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- //appear in the SDK properties window and can be edited.
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- //Right-click a local variable to encapsulate it with getters and setters.
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- private final Ray ray = new Ray(Vector3f.ZERO.clone(), new Vector3f(0, -1, 0));
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- private final Vector3f up = new Vector3f(0, 50, 0);
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- private final CollisionResults results = new CollisionResults();
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- private final float offset = 0.5f;
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- private Spatial terrain;
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-
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- public TerrainTrackControl() {
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-
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- }
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-
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- @Override
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- protected void controlUpdate(float tpf) {
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- terrain = spatial.getParent();
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- if (terrain != null) {
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- ray.setOrigin(spatial.getWorldTranslation().add(up));
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- ray.setLimit(100);
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- results.clear();
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- terrain.collideWith(ray, results);
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- for (Iterator<CollisionResult> it = results.iterator(); it.hasNext(); ) {
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- CollisionResult collisionResult = it.next();
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- if (isTerrain(collisionResult.getGeometry()) ) {
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- Vector3f loc = collisionResult.getContactPoint();
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- spatial.setLocalTranslation(
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- spatial.getLocalTranslation().setY(loc.getY() * offset));
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- return;
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- }
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- }
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- }
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- }
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-
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- private boolean isTerrain(Spatial spat) {
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- while (true) {
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- if (spat == null) {
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- return false;
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- } else if ("terrain".equals(spat.getName())) {
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- return true;
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- }
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- spat = spat.getParent();
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- }
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- }
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-
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- @Override
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- protected void controlRender(RenderManager rm, ViewPort vp) {
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- //Only needed for rendering-related operations,
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- //not called when spatial is culled.
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- }
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-
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- @Override
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- public Control cloneForSpatial(Spatial spatial) {
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- TerrainTrackControl control = new TerrainTrackControl();
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- //TODO: copy parameters to new Control
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- return control;
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- }
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-
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- @Override
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- public void read(JmeImporter im) throws IOException {
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- super.read(im);
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- InputCapsule in = im.getCapsule(this);
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- //TODO: load properties of this Control, e.g.
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- //this.value = in.readFloat("name", defaultValue);
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- }
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-
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- @Override
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- public void write(JmeExporter ex) throws IOException {
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- super.write(ex);
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- OutputCapsule out = ex.getCapsule(this);
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- //TODO: save properties of this Control, e.g.
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- //out.write(this.value, "name", defaultValue);
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- }
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-}
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-
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-----
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-
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-.AnimUpdateControl.java
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-
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-[source,java]
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-----
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-
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-package mygame;
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-
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-import com.jme3.animation.AnimChannel;
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-import com.jme3.animation.AnimControl;
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-import com.jme3.export.InputCapsule;
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-import com.jme3.export.JmeExporter;
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-import com.jme3.export.JmeImporter;
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-import com.jme3.export.OutputCapsule;
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-import com.jme3.renderer.RenderManager;
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-import com.jme3.renderer.ViewPort;
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-import com.jme3.scene.Spatial;
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-import com.jme3.scene.control.AbstractControl;
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-import com.jme3.scene.control.Control;
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-import java.io.IOException;
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-
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-/**
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- *
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- * @author normenhansen
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- */
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-public class AnimUpdateControl extends AbstractControl {
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- //Any local variables should be encapsulated by getters/setters so they
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- //appear in the SDK properties window and can be edited.
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- //Right-click a local variable to encapsulate it with getters and setters.
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- public static final String RUN_TOP = "RunTop";
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- public static final String RUN_BASE = "RunBase";
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- public static final String IDLE_TOP = "IdleTop";
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- public static final String IDLE_BASE = "IdleBase";
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- private AnimControl animControl;
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- private AnimChannel torsoChannel;
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- private AnimChannel feetChannel;
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-
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- @Override
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- protected void controlUpdate(float tpf) {
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- QuixoteControl quixote = spatial.getControl(QuixoteControl.class);
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- if (quixote != null && checkAnimControl()) {
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- if (quixote.getSpeed() > 0) {
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- if (!RUN_TOP.equals(torsoChannel.getAnimationName())) {
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- torsoChannel.setAnim(RUN_TOP);
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- }
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- }
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- if (!RUN_BASE.equals(feetChannel.getAnimationName())) {
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- feetChannel.setAnim(RUN_BASE);
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- }
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- } else {
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- if (!IDLE_TOP.equals(torsoChannel.getAnimationName())) {
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- torsoChannel.setAnim(IDLE_TOP);
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- }
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- if (!IDLE_BASE.equals(feetChannel.getAnimationName())) {
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- feetChannel.setAnim(IDLE_BASE);
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- }
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- }
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- }
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-
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- /**
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- * Checks if the animControl is available and creates channels if it is.
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- */
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- private boolean checkAnimControl() {
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- AnimControl control = spatial.getControl(AnimControl.class);
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- if (control != animControl) {
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- this.animControl = control;
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- if (animControl != null) {
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- torsoChannel = animControl.createChannel();
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- feetChannel = animControl.createChannel();
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- }
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- }
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- return animControl != null;
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- }
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-
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- @Override
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- protected void controlRender(RenderManager rm, ViewPort vp) {
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- //Only needed for rendering-related operations,
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- //not called when spatial is culled.
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- }
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-
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- @Override
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- public Control cloneForSpatial(Spatial spatial) {
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- AnimUpdateControl control = new AnimUpdateControl();
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- //TODO: copy parameters to new Control
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- control.setSpatial(spatial);
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- return control;
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- }
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-
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- @Override
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- public void read(JmeImporter im) throws IOException {
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- super.read(im);
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- InputCapsule in = im.getCapsule(this);
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- //TODO: load properties of this Control, e.g.
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- //this.value = in.readFloat("name", defaultValue);
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- }
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-
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- @Override
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- public void write(JmeExporter ex) throws IOException {
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- super.write(ex);
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- OutputCapsule out = ex.getCapsule(this);
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- //TODO: save properties of this Control, e.g.
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- //out.write(this.value, "name", defaultValue);
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- }
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-}
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-
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-----
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mitm001