Examples with Geometry com.jme3.scene.Geometry used on opensource projects

Example 46 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class Sphere method setGeometryData.

/**
     * builds the vertices based on the radius, radial and zSamples.
     */
private void setGeometryData() {
    // allocate vertices
    vertCount = (zSamples - 2) * (radialSamples + 1) + 2;
    FloatBuffer posBuf = BufferUtils.createVector3Buffer(vertCount);
    // allocate normals if requested
    FloatBuffer normBuf = BufferUtils.createVector3Buffer(vertCount);
    // allocate texture coordinates
    FloatBuffer texBuf = BufferUtils.createVector2Buffer(vertCount);
    setBuffer(Type.Position, 3, posBuf);
    setBuffer(Type.Normal, 3, normBuf);
    setBuffer(Type.TexCoord, 2, texBuf);
    // generate geometry
    float fInvRS = 1.0f / radialSamples;
    float fZFactor = 2.0f / (zSamples - 1);
    // Generate points on the unit circle to be used in computing the mesh
    // points on a sphere slice.
    float[] afSin = new float[(radialSamples + 1)];
    float[] afCos = new float[(radialSamples + 1)];
    for (int iR = 0; iR < radialSamples; iR++) {
        float fAngle = FastMath.TWO_PI * fInvRS * iR;
        afCos[iR] = FastMath.cos(fAngle);
        afSin[iR] = FastMath.sin(fAngle);
    }
    afSin[radialSamples] = afSin[0];
    afCos[radialSamples] = afCos[0];
    TempVars vars = TempVars.get();
    Vector3f tempVa = vars.vect1;
    Vector3f tempVb = vars.vect2;
    Vector3f tempVc = vars.vect3;
    // generate the sphere itself
    int i = 0;
    for (int iZ = 1; iZ < (zSamples - 1); iZ++) {
        // in (-pi/2, pi/2)
        float fAFraction = FastMath.HALF_PI * (-1.0f + fZFactor * iZ);
        float fZFraction;
        if (useEvenSlices) {
            // in (-1, 1)
            fZFraction = -1.0f + fZFactor * iZ;
        } else {
            // in (-1,1)
            fZFraction = FastMath.sin(fAFraction);
        }
        float fZ = radius * fZFraction;
        // compute center of slice
        Vector3f kSliceCenter = tempVb.set(Vector3f.ZERO);
        kSliceCenter.z += fZ;
        // compute radius of slice
        float fSliceRadius = FastMath.sqrt(FastMath.abs(radius * radius - fZ * fZ));
        // compute slice vertices with duplication at end point
        Vector3f kNormal;
        int iSave = i;
        for (int iR = 0; iR < radialSamples; iR++) {
            // in [0,1)
            float fRadialFraction = iR * fInvRS;
            Vector3f kRadial = tempVc.set(afCos[iR], afSin[iR], 0);
            kRadial.mult(fSliceRadius, tempVa);
            posBuf.put(kSliceCenter.x + tempVa.x).put(kSliceCenter.y + tempVa.y).put(kSliceCenter.z + tempVa.z);
            BufferUtils.populateFromBuffer(tempVa, posBuf, i);
            kNormal = tempVa;
            kNormal.normalizeLocal();
            if (// allow interior texture vs. exterior
            !interior) {
                normBuf.put(kNormal.x).put(kNormal.y).put(kNormal.z);
            } else {
                normBuf.put(-kNormal.x).put(-kNormal.y).put(-kNormal.z);
            }
            if (textureMode == TextureMode.Original) {
                texBuf.put(fRadialFraction).put(0.5f * (fZFraction + 1.0f));
            } else if (textureMode == TextureMode.Projected) {
                texBuf.put(fRadialFraction).put(FastMath.INV_PI * (FastMath.HALF_PI + FastMath.asin(fZFraction)));
            } else if (textureMode == TextureMode.Polar) {
                float r = (FastMath.HALF_PI - FastMath.abs(fAFraction)) / FastMath.PI;
                float u = r * afCos[iR] + 0.5f;
                float v = r * afSin[iR] + 0.5f;
                texBuf.put(u).put(v);
            }
            i++;
        }
        BufferUtils.copyInternalVector3(posBuf, iSave, i);
        BufferUtils.copyInternalVector3(normBuf, iSave, i);
        if (textureMode == TextureMode.Original) {
            texBuf.put(1.0f).put(0.5f * (fZFraction + 1.0f));
        } else if (textureMode == TextureMode.Projected) {
            texBuf.put(1.0f).put(FastMath.INV_PI * (FastMath.HALF_PI + FastMath.asin(fZFraction)));
        } else if (textureMode == TextureMode.Polar) {
            float r = (FastMath.HALF_PI - FastMath.abs(fAFraction)) / FastMath.PI;
            texBuf.put(r + 0.5f).put(0.5f);
        }
        i++;
    }
    vars.release();
    // south pole
    posBuf.position(i * 3);
    posBuf.put(0f).put(0f).put(-radius);
    normBuf.position(i * 3);
    if (!interior) {
        // allow for inner
        normBuf.put(0).put(0).put(-1);
    } else // texture orientation
    // later.
    {
        normBuf.put(0).put(0).put(1);
    }
    texBuf.position(i * 2);
    if (textureMode == TextureMode.Polar) {
        texBuf.put(0.5f).put(0.5f);
    } else {
        texBuf.put(0.5f).put(0.0f);
    }
    i++;
    // north pole
    posBuf.put(0).put(0).put(radius);
    if (!interior) {
        normBuf.put(0).put(0).put(1);
    } else {
        normBuf.put(0).put(0).put(-1);
    }
    if (textureMode == TextureMode.Polar) {
        texBuf.put(0.5f).put(0.5f);
    } else {
        texBuf.put(0.5f).put(1.0f);
    }
    updateBound();
}

Example 47 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class InstancedGeometry method updateInstances.

public void updateInstances() {
    FloatBuffer fb = (FloatBuffer) transformInstanceData.getData();
    fb.limit(fb.capacity());
    fb.position(0);
    TempVars vars = TempVars.get();
    {
        float[] temp = vars.matrixWrite;
        for (int i = 0; i < firstUnusedIndex; i++) {
            Geometry geom = geometries[i];
            if (geom == null) {
                geom = geometries[firstUnusedIndex - 1];
                if (geom == null) {
                    throw new AssertionError();
                }
                swap(i, firstUnusedIndex - 1);
                while (geometries[firstUnusedIndex - 1] == null) {
                    firstUnusedIndex--;
                }
            }
            Matrix4f worldMatrix = geom.getWorldMatrix();
            updateInstance(worldMatrix, temp, 0, vars.tempMat3, vars.quat1);
            fb.put(temp);
        }
    }
    vars.release();
    fb.flip();
    if (fb.limit() / INSTANCE_SIZE != firstUnusedIndex) {
        throw new AssertionError();
    }
    transformInstanceData.updateData(fb);
}

Example 48 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class TestColorApp method simpleInitApp.

@Override
public void simpleInitApp() {
    // Lights
    DirectionalLight sun = new DirectionalLight();
    Vector3f sunPosition = new Vector3f(1, -1, 1);
    sun.setDirection(sunPosition);
    sun.setColor(new ColorRGBA(1f, 1f, 1f, 1f));
    rootNode.addLight(sun);
    //DirectionalLightShadowFilter sun_renderer = new DirectionalLightShadowFilter(assetManager, 2048, 4);
    DirectionalLightShadowRenderer sun_renderer = new DirectionalLightShadowRenderer(assetManager, 2048, 1);
    sun_renderer.setLight(sun);
    viewPort.addProcessor(sun_renderer);
    //        FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
    //        fpp.addFilter(sun_renderer);
    //        viewPort.addProcessor(fpp);
    rootNode.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
    // Camera
    viewPort.setBackgroundColor(new ColorRGBA(.6f, .6f, .6f, 1f));
    ChaseCamera chaseCam = new ChaseCamera(cam, inputManager);
    // Objects
    // Ground Object
    final Geometry groundBoxWhite = new Geometry("Box", new Box(7.5f, 7.5f, .25f));
    float[] f = { -FastMath.PI / 2, 3 * FastMath.PI / 2, 0f };
    groundBoxWhite.setLocalRotation(new Quaternion(f));
    groundBoxWhite.move(7.5f, -.75f, 7.5f);
    final Material groundMaterial = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
    groundMaterial.setColor("Diffuse", new ColorRGBA(.9f, .9f, .9f, .9f));
    groundBoxWhite.setMaterial(groundMaterial);
    groundBoxWhite.addControl(chaseCam);
    rootNode.attachChild(groundBoxWhite);
    // Planter
    Geometry planterBox = new Geometry("Box", new Box(.5f, .5f, .5f));
    final Material planterMaterial = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
    planterMaterial.setTexture("DiffuseMap", assetManager.loadTexture("Textures/Terrain/BrickWall/BrickWall.jpg"));
    planterBox.setMaterial(groundMaterial);
    planterBox.setLocalTranslation(10, 0, 9);
    rootNode.attachChild(planterBox);
    // Action!
    inputManager.addMapping("on", new KeyTrigger(KeyInput.KEY_Z));
    inputManager.addMapping("off", new KeyTrigger(KeyInput.KEY_X));
    inputManager.addListener(new AnalogListener() {

        @Override
        public void onAnalog(String s, float v, float v1) {
            if (s.equals("on")) {
                groundBoxWhite.setMaterial(planterMaterial);
            }
            if (s.equals("off")) {
                groundBoxWhite.setMaterial(groundMaterial);
            }
        }
    }, "on", "off");
    inputEnabled = true;
}

Example 49 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class TestConeVSFrustum method simpleInitApp.

@Override
public void simpleInitApp() {
    viewPort.setBackgroundColor(ColorRGBA.DarkGray);
    frustumCam = cam.clone();
    frustumCam.setFrustumFar(25);
    Vector3f[] points = new Vector3f[8];
    for (int i = 0; i < 8; i++) {
        points[i] = new Vector3f();
    }
    ShadowUtil.updateFrustumPoints2(frustumCam, points);
    WireFrustum frustumShape = new WireFrustum(points);
    Geometry frustum = new Geometry("frustum", frustumShape);
    frustum.setMaterial(new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"));
    rootNode.attachChild(frustum);
    rootNode.addLight(new DirectionalLight());
    AmbientLight al = new AmbientLight();
    al.setColor(ColorRGBA.White.mult(0.2f));
    rootNode.addLight(al);
    Grid grid = new Grid(50, 50, 5);
    Geometry gridGeom = new Geometry("grid", grid);
    gridGeom.setMaterial(new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"));
    gridGeom.getMaterial().setColor("Color", ColorRGBA.Gray);
    rootNode.attachChild(gridGeom);
    gridGeom.setLocalTranslation(-125, -25, -125);
    //        flyCam.setMoveSpeed(30);
    //        flyCam.setDragToRotate(true);
    //        cam.setLocation(new Vector3f(56.182674f, 19.037334f, 7.093905f));
    //        cam.setRotation(new Quaternion(0.0816657f, -0.82228005f, 0.12213967f, 0.5497892f));
    spotLight = new SpotLight();
    spotLight.setSpotRange(25);
    spotLight.setSpotOuterAngle(10 * FastMath.DEG_TO_RAD);
    float radius = FastMath.tan(spotLight.getSpotOuterAngle()) * spotLight.getSpotRange();
    Cylinder cylinder = new Cylinder(5, 16, 0, radius, spotLight.getSpotRange(), true, false);
    geom = new Geometry("light", cylinder);
    geom.setMaterial(new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md"));
    geom.getMaterial().setColor("Diffuse", ColorRGBA.White);
    geom.getMaterial().setColor("Ambient", ColorRGBA.DarkGray);
    geom.getMaterial().setBoolean("UseMaterialColors", true);
    final LightNode ln = new LightNode("lb", spotLight);
    ln.attachChild(geom);
    geom.setLocalTranslation(0, -spotLight.getSpotRange() / 2f, 0);
    geom.rotate(-FastMath.HALF_PI, 0, 0);
    rootNode.attachChild(ln);
    //        ln.rotate(FastMath.QUARTER_PI, 0, 0);
    //      ln.setLocalTranslation(0, 0, -16);
    inputManager.addMapping("click", new MouseButtonTrigger(MouseInput.BUTTON_RIGHT));
    inputManager.addMapping("shift", new KeyTrigger(KeyInput.KEY_LSHIFT), new KeyTrigger(KeyInput.KEY_RSHIFT));
    inputManager.addMapping("middleClick", new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE));
    inputManager.addMapping("up", new MouseAxisTrigger(MouseInput.AXIS_Y, false));
    inputManager.addMapping("down", new MouseAxisTrigger(MouseInput.AXIS_Y, true));
    inputManager.addMapping("left", new MouseAxisTrigger(MouseInput.AXIS_X, true));
    inputManager.addMapping("right", new MouseAxisTrigger(MouseInput.AXIS_X, false));
    final Node camTarget = new Node("CamTarget");
    rootNode.attachChild(camTarget);
    ChaseCameraAppState chaser = new ChaseCameraAppState();
    chaser.setTarget(camTarget);
    chaser.setMaxDistance(150);
    chaser.setDefaultDistance(70);
    chaser.setDefaultHorizontalRotation(FastMath.HALF_PI);
    chaser.setMinVerticalRotation(-FastMath.PI);
    chaser.setMaxVerticalRotation(FastMath.PI * 2);
    chaser.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
    stateManager.attach(chaser);
    flyCam.setEnabled(false);
    inputManager.addListener(new AnalogListener() {

        public void onAnalog(String name, float value, float tpf) {
            Spatial s = null;
            float mult = 1;
            if (moving) {
                s = ln;
            }
            if (panning) {
                s = camTarget;
                mult = -1;
            }
            if ((moving || panning) && s != null) {
                if (shift) {
                    if (name.equals("left")) {
                        tmp.set(cam.getDirection());
                        s.rotate(tmpQuat.fromAngleAxis(value, tmp));
                    }
                    if (name.equals("right")) {
                        tmp.set(cam.getDirection());
                        s.rotate(tmpQuat.fromAngleAxis(-value, tmp));
                    }
                } else {
                    value *= MOVE_SPEED * mult;
                    if (name.equals("up")) {
                        tmp.set(cam.getUp()).multLocal(value);
                        s.move(tmp);
                    }
                    if (name.equals("down")) {
                        tmp.set(cam.getUp()).multLocal(-value);
                        s.move(tmp);
                    }
                    if (name.equals("left")) {
                        tmp.set(cam.getLeft()).multLocal(value);
                        s.move(tmp);
                    }
                    if (name.equals("right")) {
                        tmp.set(cam.getLeft()).multLocal(-value);
                        s.move(tmp);
                    }
                }
            }
        }
    }, "up", "down", "left", "right");
    inputManager.addListener(new ActionListener() {

        public void onAction(String name, boolean isPressed, float tpf) {
            if (name.equals("click")) {
                if (isPressed) {
                    moving = true;
                } else {
                    moving = false;
                }
            }
            if (name.equals("middleClick")) {
                if (isPressed) {
                    panning = true;
                } else {
                    panning = false;
                }
            }
            if (name.equals("shift")) {
                if (isPressed) {
                    shift = true;
                } else {
                    shift = false;
                }
            }
        }
    }, "click", "middleClick", "shift");
    /**
         * An unshaded textured cube. // * Uses texture from jme3-test-data
         * library!
         */
    Box boxMesh = new Box(1f, 1f, 1f);
    boxGeo = new Geometry("A Textured Box", boxMesh);
    Material boxMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    Texture monkeyTex = assetManager.loadTexture("Interface/Logo/Monkey.jpg");
    boxMat.setTexture("ColorMap", monkeyTex);
    boxGeo.setMaterial(boxMat);
    //        rootNode.attachChild(boxGeo);
    //
    //boxGeo2 = boxGeo.clone();
    //rootNode.attachChild(boxGeo2); 
    System.err.println("light " + spotLight.getPosition());
}

Example 50 with Geometry

use of com.jme3.scene.Geometry in project jmonkeyengine by jMonkeyEngine.

the class TestDirectionalLightShadow method loadScene.

public void loadScene() {
    obj = new Spatial[2];
    // Setup first view
    mat = new Material[2];
    mat[0] = assetManager.loadMaterial("Common/Materials/RedColor.j3m");
    mat[1] = assetManager.loadMaterial("Textures/Terrain/Pond/Pond.j3m");
    mat[1].setBoolean("UseMaterialColors", true);
    mat[1].setColor("Ambient", ColorRGBA.White);
    mat[1].setColor("Diffuse", ColorRGBA.White.clone());
    obj[0] = new Geometry("sphere", new Sphere(30, 30, 2));
    obj[0].setShadowMode(ShadowMode.CastAndReceive);
    obj[1] = new Geometry("cube", new Box(1.0f, 1.0f, 1.0f));
    obj[1].setShadowMode(ShadowMode.CastAndReceive);
    TangentBinormalGenerator.generate(obj[1]);
    TangentBinormalGenerator.generate(obj[0]);
    Spatial t = obj[0].clone(false);
    t.setLocalScale(10f);
    t.setMaterial(mat[1]);
    rootNode.attachChild(t);
    t.setLocalTranslation(0, 25, 0);
    for (int i = 0; i < 60; i++) {
        t = obj[FastMath.nextRandomInt(0, obj.length - 1)].clone(false);
        t.setLocalScale(FastMath.nextRandomFloat() * 10f);
        t.setMaterial(mat[FastMath.nextRandomInt(0, mat.length - 1)]);
        rootNode.attachChild(t);
        t.setLocalTranslation(FastMath.nextRandomFloat() * 200f, FastMath.nextRandomFloat() * 30f + 20, 30f * (i + 2f));
    }
    Box b = new Box(1000, 2, 1000);
    b.scaleTextureCoordinates(new Vector2f(10, 10));
    ground = new Geometry("soil", b);
    ground.setLocalTranslation(0, 10, 550);
    matGroundU = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    matGroundU.setColor("Color", ColorRGBA.Green);
    matGroundL = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
    Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
    grass.setWrap(WrapMode.Repeat);
    matGroundL.setTexture("DiffuseMap", grass);
    ground.setMaterial(matGroundL);
    ground.setShadowMode(ShadowMode.CastAndReceive);
    rootNode.attachChild(ground);
    l = new DirectionalLight();
    //l.setDirection(new Vector3f(0.5973172f, -0.16583486f, 0.7846725f).normalizeLocal());
    l.setDirection(new Vector3f(-1, -1, -1));
    rootNode.addLight(l);
    al = new AmbientLight();
    al.setColor(ColorRGBA.White.mult(0.02f));
    rootNode.addLight(al);
    Spatial sky = SkyFactory.createSky(assetManager, "Scenes/Beach/FullskiesSunset0068.dds", false);
    sky.setLocalScale(350);
    rootNode.attachChild(sky);
}