Examples with Vector3f com.jme3.math.Vector3f used on opensource projects

Example 51 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class TerrainTestModifyHeight method simpleUpdate.

@Override
public void simpleUpdate(float tpf) {
    Vector3f intersection = getWorldIntersection();
    updateHintText(intersection);
    if (raiseTerrain) {
        if (intersection != null) {
            adjustHeight(intersection, 64, tpf * 60);
        }
    } else if (lowerTerrain) {
        if (intersection != null) {
            adjustHeight(intersection, 64, -tpf * 60);
        }
    }
    if (terrain != null && intersection != null) {
        float h = terrain.getHeight(new Vector2f(intersection.x, intersection.z));
        Vector3f tl = terrain.getWorldTranslation();
        marker.setLocalTranslation(tl.add(new Vector3f(intersection.x, h, intersection.z)));
        markerNormal.setLocalTranslation(tl.add(new Vector3f(intersection.x, h, intersection.z)));
        Vector3f normal = terrain.getNormal(new Vector2f(intersection.x, intersection.z));
        ((Arrow) markerNormal.getMesh()).setArrowExtent(normal);
    }
}

Example 52 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class TerrainTestModifyHeight method simpleInitApp.

@Override
public void simpleInitApp() {
    loadHintText();
    initCrossHairs();
    setupKeys();
    createMarker();
    // WIREFRAME material
    matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    matWire.getAdditionalRenderState().setWireframe(true);
    matWire.setColor("Color", ColorRGBA.Green);
    createTerrain();
    //createTerrainGrid();
    DirectionalLight light = new DirectionalLight();
    light.setDirection((new Vector3f(-0.5f, -1f, -0.5f)).normalize());
    rootNode.addLight(light);
    AmbientLight ambLight = new AmbientLight();
    ambLight.setColor(new ColorRGBA(1f, 1f, 0.8f, 0.2f));
    rootNode.addLight(ambLight);
    cam.setLocation(new Vector3f(0, 256, 0));
    cam.lookAtDirection(new Vector3f(0, -1f, 0).normalizeLocal(), Vector3f.UNIT_X);
}

Example 53 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class TerrainTestReadWrite method createMap.

private void createMap() {
    matTerrain = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
    matTerrain.setBoolean("useTriPlanarMapping", false);
    matTerrain.setBoolean("WardIso", true);
    // ALPHA map (for splat textures)
    matTerrain.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
    // HEIGHTMAP image (for the terrain heightmap)
    Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
    // GRASS texture
    Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
    grass.setWrap(WrapMode.Repeat);
    matTerrain.setTexture("DiffuseMap", grass);
    matTerrain.setFloat("DiffuseMap_0_scale", grassScale);
    // DIRT texture
    Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
    dirt.setWrap(WrapMode.Repeat);
    matTerrain.setTexture("DiffuseMap_1", dirt);
    matTerrain.setFloat("DiffuseMap_1_scale", dirtScale);
    // ROCK texture
    Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
    rock.setWrap(WrapMode.Repeat);
    matTerrain.setTexture("DiffuseMap_2", rock);
    matTerrain.setFloat("DiffuseMap_2_scale", rockScale);
    Texture normalMap0 = assetManager.loadTexture("Textures/Terrain/splat/grass_normal.jpg");
    normalMap0.setWrap(WrapMode.Repeat);
    Texture normalMap1 = assetManager.loadTexture("Textures/Terrain/splat/dirt_normal.png");
    normalMap1.setWrap(WrapMode.Repeat);
    Texture normalMap2 = assetManager.loadTexture("Textures/Terrain/splat/road_normal.png");
    normalMap2.setWrap(WrapMode.Repeat);
    matTerrain.setTexture("NormalMap", normalMap0);
    matTerrain.setTexture("NormalMap_1", normalMap2);
    matTerrain.setTexture("NormalMap_2", normalMap2);
    matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    matWire.getAdditionalRenderState().setWireframe(true);
    matWire.setColor("Color", ColorRGBA.Green);
    // CREATE HEIGHTMAP
    AbstractHeightMap heightmap = null;
    try {
        heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 1f);
        heightmap.load();
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (new File("terrainsave.jme").exists()) {
        loadTerrain();
    } else {
        // create the terrain as normal, and give it a control for LOD management
        //, new LodPerspectiveCalculatorFactory(getCamera(), 4)); // add this in to see it use entropy for LOD calculations
        TerrainQuad terrainQuad = new TerrainQuad("terrain", 65, 129, heightmap.getHeightMap());
        TerrainLodControl control = new TerrainLodControl(terrainQuad, getCamera());
        // patch size, and a multiplier
        control.setLodCalculator(new DistanceLodCalculator(65, 2.7f));
        terrainQuad.addControl(control);
        terrainQuad.setMaterial(matTerrain);
        terrainQuad.setLocalTranslation(0, -100, 0);
        terrainQuad.setLocalScale(4f, 0.25f, 4f);
        rootNode.attachChild(terrainQuad);
        this.terrain = terrainQuad;
    }
    DirectionalLight light = new DirectionalLight();
    light.setDirection((new Vector3f(-0.5f, -1f, -0.5f)).normalize());
    rootNode.addLight(light);
}

Example 54 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class EnvMapUtils method generateIrradianceMap.

/**
     * Generates the Irradiance map (used for image based difuse lighting) from
     * Spherical Harmonics coefficients previously computed with
     * {@link EnvMapUtils#getSphericalHarmonicsCoefficents(com.jme3.texture.TextureCubeMap)}
     * Note that the output cube map is in RGBA8 format.
     *
     * @param shCoeffs the SH coeffs
     * @param targetMapSize the size of the irradiance map to generate
     * @param fixSeamsMethod the method to fix seams
     * @param store
     * @return The irradiance cube map for the given coefficients
     */
public static TextureCubeMap generateIrradianceMap(Vector3f[] shCoeffs, int targetMapSize, FixSeamsMethod fixSeamsMethod, TextureCubeMap store) {
    TextureCubeMap irrCubeMap = store;
    if (irrCubeMap == null) {
        irrCubeMap = new TextureCubeMap(targetMapSize, targetMapSize, Image.Format.RGB16F);
        irrCubeMap.setMagFilter(Texture.MagFilter.Bilinear);
        irrCubeMap.setMinFilter(Texture.MinFilter.BilinearNoMipMaps);
        irrCubeMap.getImage().setColorSpace(ColorSpace.Linear);
    }
    for (int i = 0; i < 6; i++) {
        ByteBuffer buf = BufferUtils.createByteBuffer(targetMapSize * targetMapSize * irrCubeMap.getImage().getFormat().getBitsPerPixel() / 8);
        irrCubeMap.getImage().setData(i, buf);
    }
    Vector3f texelVect = new Vector3f();
    ColorRGBA color = new ColorRGBA(ColorRGBA.Black);
    float[] shDir = new float[9];
    CubeMapWrapper envMapWriter = new CubeMapWrapper(irrCubeMap);
    for (int face = 0; face < 6; face++) {
        for (int y = 0; y < targetMapSize; y++) {
            for (int x = 0; x < targetMapSize; x++) {
                getVectorFromCubemapFaceTexCoord(x, y, targetMapSize, face, texelVect, fixSeamsMethod);
                evalShBasis(texelVect, shDir);
                color.set(0, 0, 0, 0);
                for (int i = 0; i < NUM_SH_COEFFICIENT; i++) {
                    color.set(color.r + shCoeffs[i].x * shDir[i] * shBandFactor[i], color.g + shCoeffs[i].y * shDir[i] * shBandFactor[i], color.b + shCoeffs[i].z * shDir[i] * shBandFactor[i], 1.0f);
                }
                //clamping the color because very low value close to zero produce artifacts
                color.r = Math.max(0.0001f, color.r);
                color.g = Math.max(0.0001f, color.g);
                color.b = Math.max(0.0001f, color.b);
                envMapWriter.setPixel(x, y, face, color);
            }
        }
    }
    return irrCubeMap;
}

Example 55 with Vector3f

use of com.jme3.math.Vector3f in project jmonkeyengine by jMonkeyEngine.

the class EnvMapUtils method importanceSampleGGX.

public static Vector3f importanceSampleGGX(Vector4f xi, float a2, Vector3f normal, Vector3f store, TempVars vars) {
    if (store == null) {
        store = new Vector3f();
    }
    float cosTheta = sqrt((1f - xi.x) / (1f + (a2 - 1f) * xi.x));
    float sinTheta = sqrt(1f - cosTheta * cosTheta);
    //xi.z is cos(phi)
    float sinThetaCosPhi = sinTheta * xi.z;
    //xi.w is sin(phi)
    float sinThetaSinPhi = sinTheta * xi.w;
    Vector3f upVector = Vector3f.UNIT_X;
    if (abs(normal.z) < 0.999) {
        upVector = Vector3f.UNIT_Y;
    }
    Vector3f tangentX = vars.vect3.set(upVector).crossLocal(normal).normalizeLocal();
    Vector3f tangentY = vars.vect4.set(normal).crossLocal(tangentX);
    // Tangent to world space
    tangentX.multLocal(sinThetaCosPhi);
    tangentY.multLocal(sinThetaSinPhi);
    vars.vect5.set(normal).multLocal(cosTheta);
    // Tangent to world space
    store.set(tangentX).addLocal(tangentY).addLocal(vars.vect5);
    return store;
}