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Fix: the new way to add physics to terrainGrid is to use the listener interface, see updated tests

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new heightmaps are provided for TerrainGridTest

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7836 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
ant..om 14 years ago
parent 4eeab63f9f
commit 07e096ae71
4 changed files with 170 additions and 94 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. BIN
      engine/mountains.zip
  2. 111
      engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java
  3. 79
      engine/src/test/jme3test/terrain/TerrainFractalGridTest.java
  4. 54
      engine/src/test/jme3test/terrain/TerrainGridTest.java

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engine/mountains.zip
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111
engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java
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@ -106,6 +106,7 @@ public class TerrainGrid extends TerrainQuad {
final TerrainQuad newQuad = q; final TerrainQuad newQuad = q;
// back on the OpenGL thread: // back on the OpenGL thread:
getControl(UpdateControl.class).enqueue(new Callable() { getControl(UpdateControl.class).enqueue(new Callable() {
public Object call() throws Exception { public Object call() throws Exception {
attachQuadAt(newQuad, quadrant, temp); attachQuadAt(newQuad, quadrant, temp);
return null; return null;
@ -123,14 +124,15 @@ public class TerrainGrid extends TerrainQuad {
} }
private int getQuadrant(int quadIndex) { private int getQuadrant(int quadIndex) {
if (quadIndex == 9) if (quadIndex == 9) {
return 1; return 1;
else if (quadIndex == 5) } else if (quadIndex == 5) {
return 2; return 2;
else if (quadIndex == 10) } else if (quadIndex == 10) {
return 3; return 3;
else if (quadIndex == 6) } else if (quadIndex == 6) {
return 4; return 4;
}
return 0; // error return 0; // error
} }
@ -190,6 +192,7 @@ public class TerrainGrid extends TerrainQuad {
for (TerrainGridListener l : this.listeners.values()) { for (TerrainGridListener l : this.listeners.values()) {
l.gridMoved(camCell); l.gridMoved(camCell);
} }
updatePhysics();
} }
@Override @Override
@ -205,6 +208,7 @@ public class TerrainGrid extends TerrainQuad {
for (TerrainGridListener l : this.listeners.values()) { for (TerrainGridListener l : this.listeners.values()) {
l.gridMoved(camCell); l.gridMoved(camCell);
} }
updatePhysics();
} }
super.update(locations); super.update(locations);
@ -234,8 +238,8 @@ public class TerrainGrid extends TerrainQuad {
q.setQuadrant((short) quadrant); q.setQuadrant((short) quadrant);
this.attachChild(q); this.attachChild(q);
Vector3f loc = cam.mult(this.quadSize-1).subtract(quarterSize, 0, quarterSize);// quadrant location handled TerrainQuad automatically now Vector3f loc = cam.mult(this.quadSize - 1).subtract(quarterSize, 0, quarterSize);// quadrant location handled TerrainQuad automatically now
q.setLocalTranslation(loc ); q.setLocalTranslation(loc);
if (quadControls != null) { if (quadControls != null) {
quadControls[quadrant - 1].setEnabled(false); quadControls[quadrant - 1].setEnabled(false);
@ -250,7 +254,7 @@ public class TerrainGrid extends TerrainQuad {
updateModelBound(); updateModelBound();
} }
private void updateChildrens(Vector3f cam) { public void updatePhysics() {
RigidBodyControl control = getControl(RigidBodyControl.class); RigidBodyControl control = getControl(RigidBodyControl.class);
if (control != null) { if (control != null) {
this.space = control.getPhysicsSpace(); this.space = control.getPhysicsSpace();
@ -261,22 +265,29 @@ public class TerrainGrid extends TerrainQuad {
for (int i = 0; i < 4; i++) { for (int i = 0; i < 4; i++) {
int collisionGroupsCollideWith = control.getCollideWithGroups(); int collisionGroupsCollideWith = control.getCollideWithGroups();
int collisionGroups = control.getCollisionGroup(); int collisionGroups = control.getCollisionGroup();
quadControls[i] = new RigidBodyControl(new HeightfieldCollisionShape(new float[quadSize * quadSize], getLocalScale()), 0); TerrainQuad q = getQuad(i + 1);
quadControls[i] = new RigidBodyControl(new HeightfieldCollisionShape(q == null ? new float[quadSize * quadSize] : q.getHeightMap(), getLocalScale()), 0);
quadControls[i].setCollideWithGroups(collisionGroupsCollideWith); quadControls[i].setCollideWithGroups(collisionGroupsCollideWith);
quadControls[i].setCollisionGroup(collisionGroups); quadControls[i].setCollisionGroup(collisionGroups);
//quadControls[i].setPhysicsSpace(space); //quadControls[i].setPhysicsSpace(space);
//this.addControl(quadControls[i]); //this.addControl(quadControls[i]);
//space.add(quadControls[i]); if (q != null) {
getQuad(i + 1).addControl(quadControls[i]);
space.add(quadControls[i]);
}
} }
} }
}
private void updateChildrens(Vector3f cam) {
//TerrainQuad q1 = cache.get(cam.add(quadIndex[9])); //TerrainQuad q1 = cache.get(cam.add(quadIndex[9]));
//TerrainQuad q2 = cache.get(cam.add(quadIndex[5])); //TerrainQuad q2 = cache.get(cam.add(quadIndex[5]));
//TerrainQuad q3 = cache.get(cam.add(quadIndex[10])); //TerrainQuad q3 = cache.get(cam.add(quadIndex[10]));
//TerrainQuad q4 = cache.get(cam.add(quadIndex[6])); //TerrainQuad q4 = cache.get(cam.add(quadIndex[6]));
// --------------------------------------------------- // ---------------------------------------------------
// what does this block do? // LRU cache is used, so elements that need to remain
// should be touched.
// --------------------------------------------------- // ---------------------------------------------------
int dx = 0; int dx = 0;
int dy = 0; int dy = 0;
@ -309,25 +320,26 @@ public class TerrainGrid extends TerrainQuad {
// --------------------------------------------------- // ---------------------------------------------------
// --------------------------------------------------- // ---------------------------------------------------
if (executor == null) if (executor == null) {
executor = createExecutorService(); executor = createExecutorService();
}
executor.submit(new UpdateQuadCache(cam)); executor.submit(new UpdateQuadCache(cam));
/* if (q1 == null || q2 == null || q3 == null || q4 == null) { /* if (q1 == null || q2 == null || q3 == null || q4 == null) {
try { try {
executor.submit(new UpdateQuadCache(cam, true)).get(); // BLOCKING executor.submit(new UpdateQuadCache(cam, true)).get(); // BLOCKING
q1 = cache.get(cam.add(quadIndex[9])); q1 = cache.get(cam.add(quadIndex[9]));
q2 = cache.get(cam.add(quadIndex[5])); q2 = cache.get(cam.add(quadIndex[5]));
q3 = cache.get(cam.add(quadIndex[10])); q3 = cache.get(cam.add(quadIndex[10]));
q4 = cache.get(cam.add(quadIndex[6])); q4 = cache.get(cam.add(quadIndex[6]));
} catch (InterruptedException ex) { } catch (InterruptedException ex) {
Logger.getLogger(TerrainGrid.class.getName()).log(Level.SEVERE, null, ex); Logger.getLogger(TerrainGrid.class.getName()).log(Level.SEVERE, null, ex);
return; return;
} catch (ExecutionException ex) { } catch (ExecutionException ex) {
Logger.getLogger(TerrainGrid.class.getName()).log(Level.SEVERE, null, ex); Logger.getLogger(TerrainGrid.class.getName()).log(Level.SEVERE, null, ex);
return; return;
} }
} }
executor.execute(new UpdateQuadCache(cam)); executor.execute(new UpdateQuadCache(cam));
@ -342,7 +354,7 @@ public class TerrainGrid extends TerrainQuad {
attachQuadAt(q2, 2, cam); // quadIndex[5] attachQuadAt(q2, 2, cam); // quadIndex[5]
attachQuadAt(q3, 3, cam); // quadIndex[10] attachQuadAt(q3, 3, cam); // quadIndex[10]
attachQuadAt(q4, 4, cam); // quadIndex[6] attachQuadAt(q4, 4, cam); // quadIndex[6]
*/ */
this.currentCell = cam; this.currentCell = cam;
// this.updateModelBound(); // this.updateModelBound();
} }
@ -371,12 +383,51 @@ public class TerrainGrid extends TerrainQuad {
@Override @Override
public void adjustHeight(List<Vector2f> xz, List<Float> height) { public void adjustHeight(List<Vector2f> xz, List<Float> height) {
Vector3f currentGridLocation = getCurrentCell().mult( getLocalScale() ).multLocal( quadSize-1 ); Vector3f currentGridLocation = getCurrentCell().mult(getLocalScale()).multLocal(quadSize - 1);
for ( Vector2f vect : xz ) for (Vector2f vect : xz) {
{
vect.x -= currentGridLocation.x; vect.x -= currentGridLocation.x;
vect.y -= currentGridLocation.z; vect.y -= currentGridLocation.z;
} }
super.adjustHeight( xz, height ); super.adjustHeight(xz, height);
}
@Override
protected TerrainQuad findDownQuad() {
if (quadrant == 1) {
return cache.get(currentCell.add(quadIndex[13]));
} else if (quadrant == 3) {
return cache.get(currentCell.add(quadIndex[14]));
}
return null;
}
@Override
protected TerrainQuad findLeftQuad() {
if (quadrant == 1) {
return cache.get(currentCell.add(quadIndex[8]));
} else if (quadrant == 2) {
return cache.get(currentCell.add(quadIndex[4]));
}
return null;
}
@Override
protected TerrainQuad findRightQuad() {
if (quadrant == 3) {
return cache.get(currentCell.add(quadIndex[11]));
} else if (quadrant == 4) {
return cache.get(currentCell.add(quadIndex[7]));
}
return null;
}
@Override
protected TerrainQuad findTopQuad() {
if (quadrant == 2) {
return cache.get(currentCell.add(quadIndex[1]));
} else if (quadrant == 4) {
return cache.get(currentCell.add(quadIndex[2]));
}
return null;
} }
} }

79
engine/src/test/jme3test/terrain/TerrainFractalGridTest.java
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@ -15,9 +15,11 @@ import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger; import com.jme3.input.controls.KeyTrigger;
import com.jme3.material.Material; import com.jme3.material.Material;
import com.jme3.math.ColorRGBA; import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f; import com.jme3.math.Vector3f;
import com.jme3.renderer.Camera; import com.jme3.renderer.Camera;
import com.jme3.terrain.geomipmap.TerrainGrid; import com.jme3.terrain.geomipmap.TerrainGrid;
import com.jme3.terrain.geomipmap.TerrainGridListener;
import com.jme3.terrain.geomipmap.TerrainLodControl; import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.heightmap.FractalHeightMapGrid; import com.jme3.terrain.heightmap.FractalHeightMapGrid;
import com.jme3.texture.Texture; import com.jme3.texture.Texture;
@ -39,6 +41,7 @@ public class TerrainFractalGridTest extends SimpleApplication {
private float dirtScale = 16; private float dirtScale = 16;
private float rockScale = 128; private float rockScale = 128;
private boolean usePhysics = true; private boolean usePhysics = true;
private boolean physicsAdded = false;
public static void main(final String[] args) { public static void main(final String[] args) {
TerrainFractalGridTest app = new TerrainFractalGridTest(); TerrainFractalGridTest app = new TerrainFractalGridTest();
@ -132,12 +135,11 @@ public class TerrainFractalGridTest extends SimpleApplication {
ground.addPreFilter(this.iterate); ground.addPreFilter(this.iterate);
this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, null, 256f)); this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, "D:\\work5\\temp", 256f));
this.terrain.setMaterial(this.mat_terrain); this.terrain.setMaterial(this.mat_terrain);
this.terrain.setLocalTranslation(0, 0, 0); this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(2f, 1f, 2f); this.terrain.setLocalScale(2f, 1f, 2f);
this.terrain.initialize(Vector3f.ZERO);
this.rootNode.attachChild(this.terrain); this.rootNode.attachChild(this.terrain);
List<Camera> cameras = new ArrayList<Camera>(); List<Camera> cameras = new ArrayList<Camera>();
@ -145,28 +147,40 @@ public class TerrainFractalGridTest extends SimpleApplication {
TerrainLodControl control = new TerrainLodControl(this.terrain, cameras); TerrainLodControl control = new TerrainLodControl(this.terrain, cameras);
this.terrain.addControl(control); this.terrain.addControl(control);
BulletAppState bulletAppState = new BulletAppState(); final BulletAppState bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState); stateManager.attach(bulletAppState);
this.getCamera().setLocation(new Vector3f(0, 256, 0)); this.getCamera().setLocation(new Vector3f(0, 0, 0));
this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f)); this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
if (usePhysics) { if (usePhysics) {
RigidBodyControl body = new RigidBodyControl(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()), 0); terrain.addListener("physicsStartListener", new TerrainGridListener() {
terrain.addControl(body);
bulletAppState.getPhysicsSpace().add(terrain); public void gridMoved(Vector3f newCenter) {
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1); terrain.removeListener("physicsStartListener");
this.player3 = new CharacterControl(capsuleShape, 0.5f); RigidBodyControl body = new RigidBodyControl(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()), 0);
this.player3.setJumpSpeed(20); terrain.addControl(body);
this.player3.setFallSpeed(30); bulletAppState.getPhysicsSpace().add(terrain);
this.player3.setGravity(30); CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1);
player3 = new CharacterControl(capsuleShape, 0.5f);
this.player3.setPhysicsLocation(new Vector3f(0, 256, 0)); player3.setJumpSpeed(20);
player3.setFallSpeed(10);
bulletAppState.getPhysicsSpace().add(this.player3); player3.setGravity(10);
player3.setPhysicsLocation(new Vector3f(cam.getLocation().x, 256, cam.getLocation().z));
bulletAppState.getPhysicsSpace().add(player3);
physicsAdded = true;
}
public Material tileLoaded(Material material, Vector3f cell) {
return material;
}
});
} }
this.terrain.initialize(cam.getLocation());
this.initKeys(); this.initKeys();
} }
@ -183,7 +197,6 @@ public class TerrainFractalGridTest extends SimpleApplication {
this.inputManager.addListener(this.actionListener, "Downs"); this.inputManager.addListener(this.actionListener, "Downs");
this.inputManager.addListener(this.actionListener, "Jumps"); this.inputManager.addListener(this.actionListener, "Jumps");
} }
private boolean left; private boolean left;
private boolean right; private boolean right;
private boolean up; private boolean up;
@ -225,23 +238,23 @@ public class TerrainFractalGridTest extends SimpleApplication {
@Override @Override
public void simpleUpdate(final float tpf) { public void simpleUpdate(final float tpf) {
Vector3f camDir = this.cam.getDirection().clone().multLocal(0.6f); Vector3f camDir = this.cam.getDirection().clone().multLocal(0.6f);
Vector3f camLeft = this.cam.getLeft().clone().multLocal(0.4f); Vector3f camLeft = this.cam.getLeft().clone().multLocal(0.4f);
this.walkDirection.set(0, 0, 0); this.walkDirection.set(0, 0, 0);
if (this.left) { if (this.left) {
this.walkDirection.addLocal(camLeft); this.walkDirection.addLocal(camLeft);
} }
if (this.right) { if (this.right) {
this.walkDirection.addLocal(camLeft.negate()); this.walkDirection.addLocal(camLeft.negate());
} }
if (this.up) { if (this.up) {
this.walkDirection.addLocal(camDir); this.walkDirection.addLocal(camDir);
} }
if (this.down) { if (this.down) {
this.walkDirection.addLocal(camDir.negate()); this.walkDirection.addLocal(camDir.negate());
} }
if (usePhysics) { if (usePhysics && physicsAdded) {
this.player3.setWalkDirection(this.walkDirection); this.player3.setWalkDirection(this.walkDirection);
this.cam.setLocation(this.player3.getPhysicsLocation()); this.cam.setLocation(this.player3.getPhysicsLocation());
} }

54
engine/src/test/jme3test/terrain/TerrainGridTest.java
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@ -1,6 +1,5 @@
package jme3test.terrain; package jme3test.terrain;
import com.jme3.app.SimpleApplication; import com.jme3.app.SimpleApplication;
import com.jme3.app.state.ScreenshotAppState; import com.jme3.app.state.ScreenshotAppState;
import com.jme3.asset.plugins.HttpZipLocator; import com.jme3.asset.plugins.HttpZipLocator;
@ -17,6 +16,7 @@ import com.jme3.material.Material;
import com.jme3.math.ColorRGBA; import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f; import com.jme3.math.Vector3f;
import com.jme3.terrain.geomipmap.TerrainGrid; import com.jme3.terrain.geomipmap.TerrainGrid;
import com.jme3.terrain.geomipmap.TerrainGridListener;
import com.jme3.terrain.geomipmap.TerrainLodControl; import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.heightmap.ImageBasedHeightMapGrid; import com.jme3.terrain.heightmap.ImageBasedHeightMapGrid;
import com.jme3.terrain.heightmap.Namer; import com.jme3.terrain.heightmap.Namer;
@ -32,6 +32,7 @@ public class TerrainGridTest extends SimpleApplication {
private float dirtScale = 16; private float dirtScale = 16;
private float rockScale = 128; private float rockScale = 128;
private boolean usePhysics = true; private boolean usePhysics = true;
private boolean physicsAdded = false;
public static void main(final String[] args) { public static void main(final String[] args) {
TerrainGridTest app = new TerrainGridTest(); TerrainGridTest app = new TerrainGridTest();
@ -44,7 +45,7 @@ public class TerrainGridTest extends SimpleApplication {
File file = new File("mountains.zip"); File file = new File("mountains.zip");
if (!file.exists()) { if (!file.exists()) {
assetManager.registerLocator("http://jmonkeyengine.googlecode.com/files/mountains.zip", HttpZipLocator.class); assetManager.registerLocator("http://jmonkeyengine.googlecode.com/files/mountains.zip", HttpZipLocator.class);
}else{ } else {
assetManager.registerLocator("mountains.zip", ZipLocator.class); assetManager.registerLocator("mountains.zip", ZipLocator.class);
} }
@ -89,24 +90,24 @@ public class TerrainGridTest extends SimpleApplication {
this.mat_terrain.setTexture("slopeColorMap", rock); this.mat_terrain.setTexture("slopeColorMap", rock);
this.mat_terrain.setFloat("slopeTileFactor", 32); this.mat_terrain.setFloat("slopeTileFactor", 32);
this.mat_terrain.setFloat("terrainSize", 513); this.mat_terrain.setFloat("terrainSize", 129);
this.terrain = new TerrainGrid("terrain", 65, 257, new ImageBasedHeightMapGrid(assetManager, new Namer() {
this.terrain = new TerrainGrid("terrain", 65, 1025, new ImageBasedHeightMapGrid(assetManager, new Namer() {
public String getName(int x, int y) { public String getName(int x, int y) {
return "Scenes/TerrainMountains/mountains_" + (x * 512) + "_" + (y * 512) + ".png"; return "Scenes/TerrainMountains/terrain_" + x + "_" + y + ".png";
} }
})); }));
this.terrain.setMaterial(this.mat_terrain); this.terrain.setMaterial(this.mat_terrain);
this.terrain.setLocalTranslation(0, 0, 0); this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(2f, 1f, 2f); this.terrain.setLocalScale(2f, 1f, 2f);
this.terrain.initialize(Vector3f.ZERO);
this.rootNode.attachChild(this.terrain); this.rootNode.attachChild(this.terrain);
TerrainLodControl control = new TerrainLodControl(this.terrain, getCamera()); TerrainLodControl control = new TerrainLodControl(this.terrain, getCamera());
this.terrain.addControl(control); this.terrain.addControl(control);
BulletAppState bulletAppState = new BulletAppState(); final BulletAppState bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState); stateManager.attach(bulletAppState);
this.getCamera().setLocation(new Vector3f(0, 256, 0)); this.getCamera().setLocation(new Vector3f(0, 256, 0));
@ -114,19 +115,31 @@ public class TerrainGridTest extends SimpleApplication {
this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f)); this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
if (usePhysics) { if (usePhysics) {
RigidBodyControl body = new RigidBodyControl(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()), 0); terrain.addListener("physicsStartListener", new TerrainGridListener() {
terrain.addControl(body);
bulletAppState.getPhysicsSpace().add(terrain); public void gridMoved(Vector3f newCenter) {
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1); terrain.removeListener("physicsStartListener");
this.player3 = new CharacterControl(capsuleShape, 0.5f); RigidBodyControl body = new RigidBodyControl(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()), 0);
this.player3.setJumpSpeed(20); terrain.addControl(body);
this.player3.setFallSpeed(30); bulletAppState.getPhysicsSpace().add(terrain);
this.player3.setGravity(30); CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1);
player3 = new CharacterControl(capsuleShape, 0.5f);
this.player3.setPhysicsLocation(new Vector3f(0, 256, 0)); player3.setJumpSpeed(20);
player3.setFallSpeed(30);
bulletAppState.getPhysicsSpace().add(this.player3); player3.setGravity(30);
player3.setPhysicsLocation(new Vector3f(cam.getLocation().x, 256, cam.getLocation().z));
bulletAppState.getPhysicsSpace().add(player3);
physicsAdded = true;
}
public Material tileLoaded(Material material, Vector3f cell) {
return material;
}
});
} }
this.terrain.initialize(cam.getLocation());
this.initKeys(); this.initKeys();
} }
@ -143,7 +156,6 @@ public class TerrainGridTest extends SimpleApplication {
this.inputManager.addListener(this.actionListener, "Downs"); this.inputManager.addListener(this.actionListener, "Downs");
this.inputManager.addListener(this.actionListener, "Jumps"); this.inputManager.addListener(this.actionListener, "Jumps");
} }
private boolean left; private boolean left;
private boolean right; private boolean right;
private boolean up; private boolean up;
@ -201,7 +213,7 @@ public class TerrainGridTest extends SimpleApplication {
this.walkDirection.addLocal(camDir.negate()); this.walkDirection.addLocal(camDir.negate());
} }
if (usePhysics) { if (usePhysics && physicsAdded) {
this.player3.setWalkDirection(this.walkDirection); this.player3.setWalkDirection(this.walkDirection);
this.cam.setLocation(this.player3.getPhysicsLocation()); this.cam.setLocation(this.player3.getPhysicsLocation());
} }

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