Examples with Terrain com.jme3.terrain.Terrain used on opensource projects

Example 11 with Terrain

use of com.jme3.terrain.Terrain in project jmonkeyengine by jMonkeyEngine.

the class TerrainLodControl method write.

@Override
public void write(JmeExporter ex) throws IOException {
    super.write(ex);
    OutputCapsule oc = ex.getCapsule(this);
    oc.write((Node) terrain, "terrain", null);
    oc.write(lodCalculator, "lodCalculator", null);
}

Example 12 with Terrain

use of com.jme3.terrain.Terrain in project jmonkeyengine by jMonkeyEngine.

the class EntropyComputeUtil method computeLodEntropy.

public static float computeLodEntropy(Mesh terrainBlock, Buffer lodIndices) {
    // Bounding box for the terrain block
    BoundingBox bbox = (BoundingBox) terrainBlock.getBound();
    // Vertex positions for the block
    FloatBuffer positions = terrainBlock.getFloatBuffer(Type.Position);
    // Prepare to cast rays
    Vector3f pos = new Vector3f();
    Vector3f dir = new Vector3f(0, -1, 0);
    Ray ray = new Ray(pos, dir);
    // Prepare collision results
    CollisionResults results = new CollisionResults();
    // Set the LOD indices on the block
    VertexBuffer originalIndices = terrainBlock.getBuffer(Type.Index);
    terrainBlock.clearBuffer(Type.Index);
    if (lodIndices instanceof IntBuffer)
        terrainBlock.setBuffer(Type.Index, 3, (IntBuffer) lodIndices);
    else if (lodIndices instanceof ShortBuffer) {
        terrainBlock.setBuffer(Type.Index, 3, (ShortBuffer) lodIndices);
    }
    // Recalculate collision mesh
    terrainBlock.createCollisionData();
    float entropy = 0;
    for (int i = 0; i < positions.limit() / 3; i++) {
        BufferUtils.populateFromBuffer(pos, positions, i);
        float realHeight = pos.y;
        pos.addLocal(0, bbox.getYExtent(), 0);
        ray.setOrigin(pos);
        results.clear();
        terrainBlock.collideWith(ray, Matrix4f.IDENTITY, bbox, results);
        if (results.size() > 0) {
            Vector3f contactPoint = results.getClosestCollision().getContactPoint();
            float delta = Math.abs(realHeight - contactPoint.y);
            entropy = Math.max(delta, entropy);
        }
    }
    // Restore original indices
    terrainBlock.clearBuffer(Type.Index);
    terrainBlock.setBuffer(originalIndices);
    return entropy;
}

Example 13 with Terrain

use of com.jme3.terrain.Terrain in project jmonkeyengine by jMonkeyEngine.

the class ImageTileLoader method getHeightMapAt.

/**
     * Lets you specify the type of images that are being loaded. All images
     * must be the same type.
     * @param imageType eg. BufferedImage.TYPE_USHORT_GRAY
     */
/*public void setImageType(int imageType) {
        this.imageType = imageType;
    }*/
/**
     * The ImageHeightmap that will parse the image type that you 
     * specify with setImageType().
     * @param customImageHeightmap must extend AbstractHeightmap
     */
/*public void setCustomImageHeightmap(ImageHeightmap customImageHeightmap) {
        if (!(customImageHeightmap instanceof AbstractHeightMap)) {
            throw new IllegalArgumentException("customImageHeightmap must be an AbstractHeightMap!");
        }
        this.customImageHeightmap = customImageHeightmap;
    }*/
private HeightMap getHeightMapAt(Vector3f location) {
    // HEIGHTMAP image (for the terrain heightmap)
    int x = (int) location.x;
    int z = (int) location.z;
    AbstractHeightMap heightmap = null;
    //BufferedImage im = null;
    String name = null;
    try {
        name = namer.getName(x, z);
        logger.log(Level.FINE, "Loading heightmap from file: {0}", name);
        final Texture texture = assetManager.loadTexture(new TextureKey(name));
        heightmap = new ImageBasedHeightMap(texture.getImage());
        /*if (assetInfo != null){
                InputStream in = assetInfo.openStream();
                im = ImageIO.read(in);
            } else {
                im = new BufferedImage(patchSize, patchSize, imageType);
                logger.log(Level.WARNING, "File: {0} not found, loading zero heightmap instead", name);
            }*/
        // CREATE HEIGHTMAP
        /*if (imageType == BufferedImage.TYPE_USHORT_GRAY) {
                heightmap = new Grayscale16BitHeightMap(im);
            } else if (imageType == BufferedImage.TYPE_3BYTE_BGR) {
                heightmap = new ImageBasedHeightMap(im);
            } else if (customImageHeightmap != null && customImageHeightmap instanceof AbstractHeightMap) {
                // If it gets here, it means you have specified a different image type, and you must
                // then also supply a custom image heightmap class that can parse that image into
                // a heightmap.
                customImageHeightmap.setImage(im);
                heightmap = (AbstractHeightMap) customImageHeightmap;
            } else {
                // error, no supported image format and no custom image heightmap specified
                if (customImageHeightmap == null)
                    logger.log(Level.SEVERE, "Custom image type specified [{0}] but no customImageHeightmap declared! Use setCustomImageHeightmap()",imageType);
                if (!(customImageHeightmap instanceof AbstractHeightMap))
                    logger.severe("customImageHeightmap must be an AbstractHeightMap!");
                return null;
            }*/
        heightmap.setHeightScale(1);
        heightmap.load();
    //} catch (IOException e) {
    //    e.printStackTrace();
    } catch (AssetNotFoundException e) {
        logger.log(Level.WARNING, "Asset {0} not found, loading zero heightmap instead", name);
    }
    return heightmap;
}

Example 14 with Terrain

use of com.jme3.terrain.Terrain in project jmonkeyengine by jMonkeyEngine.

the class TerrainLodControl method read.

@Override
public void read(JmeImporter im) throws IOException {
    super.read(im);
    InputCapsule ic = im.getCapsule(this);
    terrain = (Terrain) ic.readSavable("terrain", null);
    lodCalculator = (LodCalculator) ic.readSavable("lodCalculator", new DistanceLodCalculator());
}

Example 15 with Terrain

use of com.jme3.terrain.Terrain in project jmonkeyengine by jMonkeyEngine.

the class TestEverything method setupFloor.

public void setupFloor() {
    Material mat = assetManager.loadMaterial("Textures/Terrain/BrickWall/BrickWall.j3m");
    Box floor = new Box(50, 1f, 50);
    TangentBinormalGenerator.generate(floor);
    floor.scaleTextureCoordinates(new Vector2f(5, 5));
    Geometry floorGeom = new Geometry("Floor", floor);
    floorGeom.setMaterial(mat);
    floorGeom.setShadowMode(ShadowMode.Receive);
    rootNode.attachChild(floorGeom);
}