Added modular physics control.

nbproject/private/private.xml

@@ -5,6 +5,7 @@
         <group>
             <file>file:/E:/GameProjects/Rabi-Bounce-Bounce-R/src/mygame/Main.java</file>
             <file>file:/E:/GameProjects/Rabi-Bounce-Bounce-R/src/mygame/appstate/RunLevel.java</file>
+            <file>file:/E:/GameProjects/Rabi-Bounce-Bounce-R/src/mygame/control/PhysicsControl.java</file>
             <file>file:/E:/GameProjects/Rabi-Bounce-Bounce-R/src/mygame/control/PlayableCharacter.java</file>
         </group>
     </open-files>

src/mygame/appstate/RunLevel.java

@@ -18,11 +18,16 @@ import com.jme3.input.InputManager;
 import com.jme3.input.KeyInput;
 import com.jme3.input.controls.KeyTrigger;
 import com.jme3.light.DirectionalLight;
+import com.jme3.material.Material;
+import com.jme3.math.ColorRGBA;
 import com.jme3.math.Vector3f;
 import com.jme3.post.FilterPostProcessor;
 import com.jme3.renderer.ViewPort;
+import com.jme3.scene.Geometry;
 import com.jme3.scene.Node;
 import com.jme3.scene.Spatial;
+import com.jme3.scene.shape.Sphere;
+import static com.jme3.shader.Shader.ShaderType.Geometry;
 import static com.jme3.shader.VarType.Vector3;
 import com.jme3.shadow.DirectionalLightShadowFilter;
 import com.jme3.shadow.DirectionalLightShadowRenderer;
@@ -30,6 +35,7 @@ import com.jme3.util.SkyFactory;
 import com.jme3.water.WaterFilter;
 import mygame.Main;
 import static mygame.Main.main;
+import mygame.control.PhysicsControl;
 import mygame.control.PlayableCharacter;
 import mygame.control.PlayablePhysicsCharacter;
 
@@ -76,7 +82,19 @@ public class RunLevel extends BaseAppState
         playerNode.attachChild(player);
         playerNode.addControl(new PlayableCharacter());
         playerNode.setUserData("Level", world);
-        playerNode.setUserData("Terrain", main.SearchForTerrain(world));
+        
+        for (int i=0;i<500;i++) {
+            Node sphereNode = new Node();
+            Geometry sphere = new Geometry("PhysicsSphere",new Sphere((int)(Math.random()*10)+3,(int)(Math.random()*10)+3,3f));
+            Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
+            mat.setColor("Color", ColorRGBA.randomColor());
+            sphere.setMaterial(mat);
+            sphere.setLocalTranslation(0.01f,1.5f,0.01f);
+            sphereNode.attachChild(sphere);
+            sphereNode.addControl(new PhysicsControl(world,0.0f,-0.2f,3f));
+            sphereNode.setLocalTranslation(0.01f+75f*(float)Math.random()-75f*(float)Math.random(),25f+300f*(float)Math.random(),0.01f+75f*(float)Math.random()-75f*(float)Math.random());
+            reflectedScene.attachChild(sphereNode);
+        }
         
         ChaseCamera chaseCam = new ChaseCamera(this.app.getCamera(), player, inputManager);
         

src/mygame/control/PhysicsControl.java

@@ -0,0 +1,145 @@
+package mygame.control;
+
+import com.jme3.collision.CollisionResults;
+import template.*;
+import com.jme3.export.JmeExporter;
+import com.jme3.export.JmeImporter;
+import com.jme3.export.Savable;
+import com.jme3.math.Ray;
+import com.jme3.math.Vector3f;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import com.jme3.scene.control.AbstractControl;
+import com.jme3.scene.control.Control;
+import java.io.IOException;
+
+public class PhysicsControl extends AbstractControl implements Savable, Cloneable {
+    
+    float jumpSpd = 0.1f;
+    float vspd = 0.0f;
+    float gravity = -0.25f;
+    
+    float modelHeight = 2.5f;
+    
+    Node levelData;
+    
+    float walkOffTime = 0.25f; //How long you can jump after becoming airborne.
+    float airTime = 0.0f; //Amount of time in air.
+
+    public PhysicsControl(Node levelData, float jumpSpd, float gravity, float modelHeight){
+        this.levelData=levelData;
+        this.jumpSpd=jumpSpd;
+        this.gravity=gravity;
+        this.modelHeight=modelHeight;
+    }
+
+    /** This method is called when the control is added to the spatial,
+      * and when the control is removed from the spatial (setting a null value).
+      * It can be used for both initialization and cleanup.
+      */
+    @Override
+    public void setSpatial(Spatial spatial) {
+        super.setSpatial(spatial);
+        
+        spatial.setUserData("Level", levelData);
+    }
+
+    /** Implement your spatial's behaviour here.
+      * From here you can modify the scene graph and the spatial
+      * (transform them, get and set userdata, etc).
+      * This loop controls the spatial while the Control is enabled.
+      */
+    @Override
+    protected void controlUpdate(float tpf){
+       if (!isOnGround()) {
+            vspd+=gravity*tpf;
+            airTime+=tpf;
+        } else {
+            vspd=0;
+            airTime=0;
+        }
+        spatial.move(0,vspd,0);
+    }
+
+    @Override
+    public Control cloneForSpatial(Spatial spatial){
+        final PhysicsControl control = new PhysicsControl((Node)(levelData.clone()),jumpSpd,gravity,modelHeight);
+        /* Optional: use setters to copy userdata into the cloned control */
+        // control.setIndex(i); // example
+        control.setSpatial(spatial);
+        return control;
+    }
+
+    @Override
+    protected void controlRender(RenderManager rm, ViewPort vp){
+        /* Optional: rendering manipulation (for advanced users) */
+    }
+
+    @Override
+    public void read(JmeImporter im) throws IOException {
+        super.read(im);
+        // im.getCapsule(this).read(...);
+    }
+
+    @Override
+    public void write(JmeExporter ex) throws IOException {
+        super.write(ex);
+        // ex.getCapsule(this).write(...);
+    }
+
+    private Node GetLevel() {
+        return (Node)(spatial.getUserData("Level"));
+    }
+    
+    void jump() {
+        setVerticalSpeed(jumpSpd);
+    }
+    
+    void setVerticalSpeed(float spd) {
+        vspd = spd;
+    }
+    
+    void addVerticalSpeed(float spd) {
+        vspd += spd;
+    }
+    
+    float getVerticalSpeed() {
+        return vspd;
+    }
+    
+    boolean isOnGround() {
+        if (vspd>0) {
+            System.out.println(vspd);
+            return false;
+        }
+        CollisionResults results = new CollisionResults();
+        Ray r = new Ray(spatial.getLocalTranslation().add(0,(modelHeight/2)-vspd,0),Vector3f.UNIT_Y.negate());
+        GetLevel().updateGeometricState();
+        GetLevel().collideWith(r, results);
+        if (results.size()>0) {
+            //System.out.println(results.getCollision(0));
+            if (results.getClosestCollision().getContactPoint().x!=0 ||
+                    results.getClosestCollision().getContactPoint().y!=0 ||
+                    results.getClosestCollision().getContactPoint().z!=0) {
+                //System.out.println(results.getClosestCollision());
+                if (results.getClosestCollision().getDistance()<=(modelHeight/2)+0.1-vspd) {
+                    spatial.setLocalTranslation(results.getClosestCollision().getContactPoint());
+                    return true;
+                } else {
+                    return false;
+                }
+            } else {
+                vspd=jumpSpd; //???Undefined behavior.
+            }
+        }
+        /*if (results.size()>0) {
+            System.out.println("Distance: "+results.getClosestCollision().getDistance());
+            //if (results.getClosestCollision().getDistance()<=5.0f) {
+                
+            //}
+        }*/
+        return false;
+    }
+}

src/mygame/control/PlayableCharacter.java

@@ -29,16 +29,9 @@ import static mygame.Main.main;
 public class PlayableCharacter extends AbstractControl implements Savable, Cloneable, ActionListener, AnalogListener, AnimEventListener {
     
     float speed = 10.0f;
-    float jumpSpd = 0.1f;
-    float vspd = 0.0f;
-    float gravity = -0.25f;
-    
-    float walkOffTime = 0.25f; //How long you can jump after becoming airborne.
-    float airTime = 0.0f; //Amount of time in air.
     
     float rotation_time = 3f;
     float current_time = 0.0f;
-    Spatial standingOn = null;
     
     Quaternion prevRot;
     
@@ -50,6 +43,8 @@ public class PlayableCharacter extends AbstractControl implements Savable, Clone
     AnimChannel channel;
     //AnimChannel channel_lowerbody;
     AnimControl control;
+    
+    PhysicsControl physics;
 
     public PlayableCharacter() {
     } // empty serialization constructor
@@ -64,6 +59,14 @@ public class PlayableCharacter extends AbstractControl implements Savable, Clone
         //control = spatial.getControl(BetterCharacterControl.class);
         Node myNode = (Node)spatial;
         
+        physics = new PhysicsControl(
+                (Node)spatial.getUserData("Level"),
+                0.1f,
+                -0.25f,
+                5f
+        );
+        myNode.addControl(physics);
+        
         control = ((Node)spatial).getChild(0).getControl(AnimControl.class);
         control.addListener(this);
         channel = control.createChannel();
@@ -131,18 +134,6 @@ public class PlayableCharacter extends AbstractControl implements Savable, Clone
             }
         }
         //isOnGround();
-        if (!isOnGround()) {
-            vspd+=gravity*tpf;
-            airTime+=tpf;
-        } else {
-            vspd=0;
-            airTime=0;
-        }
-        spatial.move(0,vspd,0);
-    }
-
-    private Node GetLevel() {
-        return (Node)(spatial.getUserData("Level"));
     }
 
     private void SmoothMoveWalk(Vector3f walkDirection, float tpf) {
@@ -212,12 +203,16 @@ public class PlayableCharacter extends AbstractControl implements Savable, Clone
     public void onAnalog(String name, float value, float tpf) {
         switch (name) {
             case "Jump":{
-                if (isOnGround() || airTime<=walkOffTime) {
+                if (isOnGround() || physics.airTime<=physics.walkOffTime) {
-                    vspd=jumpSpd;
+                    physics.jump();
                 }
             }break;
         }
     }
+    
+    public boolean isOnGround() {
+        return physics.isOnGround();
+    }
 
     @Override
     public void onAnimCycleDone(AnimControl control, AnimChannel channel, String animName)  {
@@ -227,42 +222,4 @@ public class PlayableCharacter extends AbstractControl implements Savable, Clone
     @Override
     public void onAnimChange(AnimControl control, AnimChannel channel, String animName) {
     }
-
-    private boolean isOnGround() {
-        if (vspd>0) {
-            System.out.println(vspd);
-            return false;
-        }
-        CollisionResults results = new CollisionResults();
-        Ray r = new Ray(spatial.getLocalTranslation().add(0,2.5f-vspd,0),Vector3f.UNIT_Y.negate());
-        GetLevel().updateGeometricState();
-        GetLevel().collideWith(r, results);
-        System.out.println("Collisions("+results.size()+"):");
-        for (int i=0;i<results.size();i++) {
-            System.out.println("Collision with "+results.getCollision(i).getGeometry().getName());
-        }
-        if (results.size()>0) {
-            //System.out.println(results.getCollision(0));
-            if (results.getClosestCollision().getContactPoint().x!=0 ||
-                    results.getClosestCollision().getContactPoint().y!=0 ||
-                    results.getClosestCollision().getContactPoint().z!=0) {
-                System.out.println(results.getClosestCollision());
-                if (results.getClosestCollision().getDistance()<=2.6-vspd) {
-                    spatial.setLocalTranslation(results.getClosestCollision().getContactPoint());
-                    return true;
-                } else {
-                    return false;
-                }
-            } else {
-                vspd=jumpSpd; //???Undefined behavior.
-            }
-        }
-        /*if (results.size()>0) {
-            System.out.println("Distance: "+results.getClosestCollision().getDistance());
-            //if (results.getClosestCollision().getDistance()<=5.0f) {
-                
-            //}
-        }*/
-        return false;
-    }
 }