How to use

HeightfieldCollisionShape

in

com.jme3.bullet.collision.shapes

public void tileAttached(Vector3f cell, TerrainQuad quad) {
  while(quad.getControl(RigidBodyControl.class)!=null){
    quad.removeControl(RigidBodyControl.class);
  }
  quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
  bulletAppState.getPhysicsSpace().add(quad);
}

/**
 * Instantiate a new shape for the specified height map.
 *
 * @param heightmap (not null, length≥4, length a perfect square)
 */
public HeightfieldCollisionShape(float[] heightmap) {
  createCollisionHeightfield(heightmap, Vector3f.UNIT_XYZ);
}

  /**
   * Instantiate the configured shape in Bullet.
   */
  protected void createShape() {
    bbuf = BufferUtils.createByteBuffer(heightfieldData.length * 4); 
//        fbuf = bbuf.asFloatBuffer();//FloatBuffer.wrap(heightfieldData);
//        fbuf.rewind();
//        fbuf.put(heightfieldData);
    for (int i = 0; i < heightfieldData.length; i++) {
      float f = heightfieldData[i];
      bbuf.putFloat(f);
    }
//        fbuf.rewind();
    objectId = createShape(heightStickWidth, heightStickLength, bbuf, heightScale, minHeight, maxHeight, upAxis, flipQuadEdges);
    Logger.getLogger(this.getClass().getName()).log(Level.FINE, "Created Shape {0}", Long.toHexString(objectId));
    setScale(scale);
    setMargin(margin);
  }
 

createShape();

protected void createShape() {
  HeightfieldTerrainShape shape = new HeightfieldTerrainShape(heightStickWidth, heightStickLength, heightfieldData, heightScale, minHeight, maxHeight, upAxis, flipQuadEdges);
  shape.setLocalScaling(new javax.vecmath.Vector3f(scale.x, scale.y, scale.z));
  cShape = shape;
  cShape.setLocalScaling(Converter.convert(getScale()));
      cShape.setMargin(margin);
}

createShape();

protected void createShape() {
  HeightfieldTerrainShape shape = new HeightfieldTerrainShape(heightStickWidth, heightStickLength, heightfieldData, heightScale, minHeight, maxHeight, upAxis, flipQuadEdges);
  shape.setLocalScaling(new javax.vecmath.Vector3f(scale.x, scale.y, scale.z));
  cShape = shape;
  cShape.setLocalScaling(Converter.convert(getScale()));
      cShape.setMargin(margin);
}

  protected void createShape() {
    bbuf = BufferUtils.createByteBuffer(heightfieldData.length * 4); 
//        fbuf = bbuf.asFloatBuffer();//FloatBuffer.wrap(heightfieldData);
//        fbuf.rewind();
//        fbuf.put(heightfieldData);
    for (int i = 0; i < heightfieldData.length; i++) {
      float f = heightfieldData[i];
      bbuf.putFloat(f);
    }
//        fbuf.rewind();
    objectId = createShape(heightStickWidth, heightStickLength, bbuf, heightScale, minHeight, maxHeight, upAxis, flipQuadEdges);
    Logger.getLogger(this.getClass().getName()).log(Level.FINE, "Created Shape {0}", Long.toHexString(objectId));
    setScale(scale);
    setMargin(margin);
  }
 

public void tileAttached(Vector3f cell, TerrainQuad quad) {
  while(quad.getControl(RigidBodyControl.class)!=null){
    quad.removeControl(RigidBodyControl.class);
  }
  quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
  bulletAppState.getPhysicsSpace().add(quad);
}

/**
 * Instantiate a new shape for the specified height map and scale vector.
 *
 * @param heightmap (not null, length≥4, length a perfect square)
 * @param scale (not null, no negative component, unaffected, default=1,1,1)
 */
public HeightfieldCollisionShape(float[] heightmap, Vector3f scale) {
  createCollisionHeightfield(heightmap, scale);
}

public void read(JmeImporter im) throws IOException {
  super.read(im);
  InputCapsule capsule = im.getCapsule(this);
  heightStickWidth = capsule.readInt("heightStickWidth", 0);
  heightStickLength = capsule.readInt("heightStickLength", 0);
  heightScale = capsule.readFloat("heightScale", 0);
  minHeight = capsule.readFloat("minHeight", 0);
  maxHeight = capsule.readFloat("maxHeight", 0);
  upAxis = capsule.readInt("upAxis", 1);
  heightfieldData = capsule.readFloatArray("heightfieldData", new float[0]);
  flipQuadEdges = capsule.readBoolean("flipQuadEdges", false);
  createShape();
}

  protected void createShape() {
    bbuf = BufferUtils.createByteBuffer(heightfieldData.length * 4); 
//        fbuf = bbuf.asFloatBuffer();//FloatBuffer.wrap(heightfieldData);
//        fbuf.rewind();
//        fbuf.put(heightfieldData);
    for (int i = 0; i < heightfieldData.length; i++) {
      float f = heightfieldData[i];
      bbuf.putFloat(f);
    }
//        fbuf.rewind();
    objectId = createShape(heightStickWidth, heightStickLength, bbuf, heightScale, minHeight, maxHeight, upAxis, flipQuadEdges);
    Logger.getLogger(this.getClass().getName()).log(Level.INFO, "Created Shape {0}", Long.toHexString(objectId));
    setScale(scale);
    setMargin(margin);
  }
 

public void tileAttached(Vector3f cell, TerrainQuad quad) {
  //workaround for bugged test j3o's
  while(quad.getControl(RigidBodyControl.class)!=null){
    quad.removeControl(RigidBodyControl.class);
  }
  quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
  bulletAppState.getPhysicsSpace().add(quad);
}

public HeightfieldCollisionShape(float[] heightmap) {
  createCollisionHeightfield(heightmap, Vector3f.UNIT_XYZ);
}

  /**
   * De-serialize this shape, for example when loading from a J3O file.
   *
   * @param im importer (not null)
   * @throws IOException from importer
   */
  public void read(JmeImporter im) throws IOException {
    super.read(im);
    InputCapsule capsule = im.getCapsule(this);
    heightStickWidth = capsule.readInt("heightStickWidth", 0);
    heightStickLength = capsule.readInt("heightStickLength", 0);
    heightScale = capsule.readFloat("heightScale", 0);
    minHeight = capsule.readFloat("minHeight", 0);
    maxHeight = capsule.readFloat("maxHeight", 0);
    upAxis = capsule.readInt("upAxis", 1);
    heightfieldData = capsule.readFloatArray("heightfieldData", new float[0]);
    flipQuadEdges = capsule.readBoolean("flipQuadEdges", false);
    createShape();
  }
}

if (spatial instanceof TerrainQuad) {
  TerrainQuad terrain = (TerrainQuad) spatial;
  return new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale());
} else if (spatial instanceof TerrainPatch) {
  TerrainPatch terrain = (TerrainPatch) spatial;
  return new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale());
} else if (spatial instanceof Geometry) {
  return createSingleMeshShape((Geometry) spatial, spatial);

public HeightfieldCollisionShape(float[] heightmap, Vector3f scale) {
  createCollisionHeightfield(heightmap, scale);
}

createShape();

if (spatial instanceof TerrainQuad) {
  TerrainQuad terrain = (TerrainQuad) spatial;
  return new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale());
} else if (spatial instanceof TerrainPatch) {
  TerrainPatch terrain = (TerrainPatch) spatial;
  return new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale());
} else if (spatial instanceof Geometry) {
  return createSingleMeshShape((Geometry) spatial, spatial);

public HeightfieldCollisionShape(float[] heightmap) {
  createCollisionHeightfield(heightmap, Vector3f.UNIT_XYZ);
}