How to use

com.jme3.bullet.collision.shapes.HeightfieldCollisionShape

constructor

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);
}

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);
}

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);
}

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);

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 void tileAttached(Vector3f cell, TerrainQuad quad) {
  Texture alpha = null;
  try {
    alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_" + (int)cell.x+ "_" + (int)cell.z + ".png");
  } catch (Exception e) {
    alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_default.png");
  }
  quad.getMaterial().setTexture("AlphaMap", alpha);
  if (usePhysics) {
    quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
    bulletAppState.getPhysicsSpace().add(quad);
  }
  updateMarkerElevations();
}

shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), trans.getScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());
shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());

shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), trans.getScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());
shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());

/**
 * This type of collision shape is mesh-accurate and meant for immovable "world objects".
 * Examples include terrain, houses or whole shooter levels.<br/>
 * Objects with "mesh" type collision shape will not collide with each other.<br/>
 * Creates a HeightfieldCollisionShape if the supplied spatial is a TerrainQuad.
 * @return A MeshCollisionShape or a CompoundCollisionShape with MeshCollisionShapes as children if the supplied spatial is a Node. A HeightieldCollisionShape if a TerrainQuad was supplied.
 */
public static CollisionShape createMeshShape(Spatial spatial) {
  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);
  } else if (spatial instanceof Node) {
    return createMeshCompoundShape((Node) spatial);
  } else {
    throw new IllegalArgumentException("Supplied spatial must either be Node or Geometry!");
  }
}

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);

shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), trans.getScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());
shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());

shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), trans.getScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());
shape.addChildShape(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()),
    trans.getTranslation(),
    trans.getRotation().toRotationMatrix());