Examples with HeightMap com.jme3.terrain.heightmap.HeightMap used on opensource projects

Example 1 with HeightMap

use of com.jme3.terrain.heightmap.HeightMap in project jmonkeyengine by jMonkeyEngine.

the class ImageUtils method convertToNormalMapTexture.

/**
     * This method converts the given texture into normal-map texture.
     * 
     * @param source
     *            the source texture
     * @param strengthFactor
     *            the normal strength factor
     * @return normal-map texture
     */
public static Image convertToNormalMapTexture(Image source, float strengthFactor) {
    BufferedImage sourceImage = ImageToAwt.convert(source, false, false, 0);
    BufferedImage heightMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
    BufferedImage bumpMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
    ColorConvertOp gscale = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    gscale.filter(sourceImage, heightMap);
    Vector3f S = new Vector3f();
    Vector3f T = new Vector3f();
    Vector3f N = new Vector3f();
    for (int x = 0; x < bumpMap.getWidth(); ++x) {
        for (int y = 0; y < bumpMap.getHeight(); ++y) {
            // generating bump pixel
            S.x = 1;
            S.y = 0;
            S.z = strengthFactor * ImageUtils.getHeight(heightMap, x + 1, y) - strengthFactor * ImageUtils.getHeight(heightMap, x - 1, y);
            T.x = 0;
            T.y = 1;
            T.z = strengthFactor * ImageUtils.getHeight(heightMap, x, y + 1) - strengthFactor * ImageUtils.getHeight(heightMap, x, y - 1);
            float den = (float) Math.sqrt(S.z * S.z + T.z * T.z + 1);
            N.x = -S.z;
            N.y = -T.z;
            N.z = 1;
            N.divideLocal(den);
            // setting thge pixel in the result image
            bumpMap.setRGB(x, y, ImageUtils.vectorToColor(N.x, N.y, N.z));
        }
    }
    return ImageUtils.toJmeImage(bumpMap, source.getFormat());
}

Example 2 with HeightMap

use of com.jme3.terrain.heightmap.HeightMap in project jmonkeyengine by jMonkeyEngine.

the class TestFog method createTerrain.

private void createTerrain(Node rootNode) {
    Material matRock = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
    matRock.setBoolean("useTriPlanarMapping", false);
    matRock.setBoolean("WardIso", true);
    matRock.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
    Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
    Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
    grass.setWrap(Texture.WrapMode.Repeat);
    matRock.setTexture("DiffuseMap", grass);
    matRock.setFloat("DiffuseMap_0_scale", 64);
    Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
    dirt.setWrap(Texture.WrapMode.Repeat);
    matRock.setTexture("DiffuseMap_1", dirt);
    matRock.setFloat("DiffuseMap_1_scale", 16);
    Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
    rock.setWrap(Texture.WrapMode.Repeat);
    matRock.setTexture("DiffuseMap_2", rock);
    matRock.setFloat("DiffuseMap_2_scale", 128);
    Texture normalMap0 = assetManager.loadTexture("Textures/Terrain/splat/grass_normal.jpg");
    normalMap0.setWrap(Texture.WrapMode.Repeat);
    Texture normalMap1 = assetManager.loadTexture("Textures/Terrain/splat/dirt_normal.png");
    normalMap1.setWrap(Texture.WrapMode.Repeat);
    Texture normalMap2 = assetManager.loadTexture("Textures/Terrain/splat/road_normal.png");
    normalMap2.setWrap(Texture.WrapMode.Repeat);
    matRock.setTexture("NormalMap", normalMap0);
    matRock.setTexture("NormalMap_1", normalMap2);
    matRock.setTexture("NormalMap_2", normalMap2);
    AbstractHeightMap heightmap = null;
    try {
        heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 0.25f);
        heightmap.load();
    } catch (Exception e) {
        e.printStackTrace();
    }
    TerrainQuad terrain = new TerrainQuad("terrain", 65, 513, heightmap.getHeightMap());
    List<Camera> cameras = new ArrayList<Camera>();
    cameras.add(getCamera());
    terrain.setMaterial(matRock);
    terrain.setLocalScale(new Vector3f(5, 5, 5));
    terrain.setLocalTranslation(new Vector3f(0, -30, 0));
    // unlock it so we can edit the height
    terrain.setLocked(false);
    terrain.setShadowMode(RenderQueue.ShadowMode.Receive);
    rootNode.attachChild(terrain);
}

Example 3 with HeightMap

use of com.jme3.terrain.heightmap.HeightMap in project jmonkeyengine by jMonkeyEngine.

the class HelloTerrain method simpleInitApp.

@Override
public void simpleInitApp() {
    flyCam.setMoveSpeed(50);
    /** 1. Create terrain material and load four textures into it. */
    mat_terrain = new Material(assetManager, "Common/MatDefs/Terrain/Terrain.j3md");
    /** 1.1) Add ALPHA map (for red-blue-green coded splat textures) */
    mat_terrain.setTexture("Alpha", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
    /** 1.2) Add GRASS texture into the red layer (Tex1). */
    Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
    grass.setWrap(WrapMode.Repeat);
    mat_terrain.setTexture("Tex1", grass);
    mat_terrain.setFloat("Tex1Scale", 64f);
    /** 1.3) Add DIRT texture into the green layer (Tex2) */
    Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
    dirt.setWrap(WrapMode.Repeat);
    mat_terrain.setTexture("Tex2", dirt);
    mat_terrain.setFloat("Tex2Scale", 32f);
    /** 1.4) Add ROAD texture into the blue layer (Tex3) */
    Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
    rock.setWrap(WrapMode.Repeat);
    mat_terrain.setTexture("Tex3", rock);
    mat_terrain.setFloat("Tex3Scale", 128f);
    /** 2.a Create a custom height map from an image */
    AbstractHeightMap heightmap = null;
    Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
    heightmap = new ImageBasedHeightMap(heightMapImage.getImage());
    /** 2.b Create a random height map */
    //      HillHeightMap heightmap = null;
    //      HillHeightMap.NORMALIZE_RANGE = 100;
    //      try {
    //          heightmap = new HillHeightMap(513, 1000, 50, 100, (byte) 3);
    //      } catch (Exception ex) {
    //          ex.printStackTrace();
    //      }
    heightmap.load();
    /** 3. We have prepared material and heightmap. 
     * Now we create the actual terrain:
     * 3.1) Create a TerrainQuad and name it "my terrain".
     * 3.2) A good value for terrain tiles is 64x64 -- so we supply 64+1=65.
     * 3.3) We prepared a heightmap of size 512x512 -- so we supply 512+1=513.
     * 3.4) As LOD step scale we supply Vector3f(1,1,1).
     * 3.5) We supply the prepared heightmap itself.
     */
    int patchSize = 65;
    terrain = new TerrainQuad("my terrain", patchSize, 513, heightmap.getHeightMap());
    /** 4. We give the terrain its material, position & scale it, and attach it. */
    terrain.setMaterial(mat_terrain);
    terrain.setLocalTranslation(0, -100, 0);
    terrain.setLocalScale(2f, 1f, 2f);
    rootNode.attachChild(terrain);
    /** 5. The LOD (level of detail) depends on were the camera is: */
    TerrainLodControl control = new TerrainLodControl(terrain, getCamera());
    // patch size, and a multiplier
    control.setLodCalculator(new DistanceLodCalculator(patchSize, 2.7f));
    terrain.addControl(control);
}

Example 4 with HeightMap

use of com.jme3.terrain.heightmap.HeightMap in project jmonkeyengine by jMonkeyEngine.

the class FractalTileLoader method getHeightMapAt.

private HeightMap getHeightMapAt(Vector3f location) {
    AbstractHeightMap heightmap = null;
    FloatBuffer buffer = this.base.getBuffer(location.x * (this.quadSize - 1), location.z * (this.quadSize - 1), 0, this.quadSize);
    float[] arr = buffer.array();
    for (int i = 0; i < arr.length; i++) {
        arr[i] = arr[i] * this.heightScale;
    }
    heightmap = new FloatBufferHeightMap(buffer);
    heightmap.load();
    return heightmap;
}

Example 5 with HeightMap

use of com.jme3.terrain.heightmap.HeightMap 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;
}