Examples with SpotLight com.jme3.light.SpotLight used on opensource projects

Example 16 with SpotLight

use of com.jme3.light.SpotLight in project jmonkeyengine by jMonkeyEngine.

the class SinglePassLightingLogic method updateLightListUniforms.

/**
     * Uploads the lights in the light list as two uniform arrays.<br/><br/> *
     * <p>
     * <code>uniform vec4 g_LightColor[numLights];</code><br/> //
     * g_LightColor.rgb is the diffuse/specular color of the light.<br/> //
     * g_Lightcolor.a is the type of light, 0 = Directional, 1 = Point, <br/> //
     * 2 = Spot. <br/> <br/>
     * <code>uniform vec4 g_LightPosition[numLights];</code><br/> //
     * g_LightPosition.xyz is the position of the light (for point lights)<br/>
     * // or the direction of the light (for directional lights).<br/> //
     * g_LightPosition.w is the inverse radius (1/r) of the light (for
     * attenuation) <br/> </p>
     */
protected int updateLightListUniforms(Shader shader, Geometry g, LightList lightList, int numLights, RenderManager rm, int startIndex) {
    if (numLights == 0) {
        // this shader does not do lighting, ignore.
        return 0;
    }
    Uniform lightData = shader.getUniform("g_LightData");
    //8 lights * max 3
    lightData.setVector4Length(numLights * 3);
    Uniform ambientColor = shader.getUniform("g_AmbientLightColor");
    if (startIndex != 0) {
        // apply additive blending for 2nd and future passes
        rm.getRenderer().applyRenderState(ADDITIVE_LIGHT);
        ambientColor.setValue(VarType.Vector4, ColorRGBA.Black);
    } else {
        ambientColor.setValue(VarType.Vector4, getAmbientColor(lightList, true, ambientLightColor));
    }
    int lightDataIndex = 0;
    TempVars vars = TempVars.get();
    Vector4f tmpVec = vars.vect4f1;
    int curIndex;
    int endIndex = numLights + startIndex;
    for (curIndex = startIndex; curIndex < endIndex && curIndex < lightList.size(); curIndex++) {
        Light l = lightList.get(curIndex);
        if (l.getType() == Light.Type.Ambient) {
            endIndex++;
            continue;
        }
        ColorRGBA color = l.getColor();
        //Color
        lightData.setVector4InArray(color.getRed(), color.getGreen(), color.getBlue(), l.getType().getId(), lightDataIndex);
        lightDataIndex++;
        switch(l.getType()) {
            case Directional:
                DirectionalLight dl = (DirectionalLight) l;
                Vector3f dir = dl.getDirection();
                //Data directly sent in view space to avoid a matrix mult for each pixel
                tmpVec.set(dir.getX(), dir.getY(), dir.getZ(), 0.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                //                        tmpVec.divideLocal(tmpVec.w);
                //                        tmpVec.normalizeLocal();
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), -1, lightDataIndex);
                lightDataIndex++;
                //PADDING
                lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex);
                lightDataIndex++;
                break;
            case Point:
                PointLight pl = (PointLight) l;
                Vector3f pos = pl.getPosition();
                float invRadius = pl.getInvRadius();
                tmpVec.set(pos.getX(), pos.getY(), pos.getZ(), 1.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                //tmpVec.divideLocal(tmpVec.w);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRadius, lightDataIndex);
                lightDataIndex++;
                //PADDING
                lightData.setVector4InArray(0, 0, 0, 0, lightDataIndex);
                lightDataIndex++;
                break;
            case Spot:
                SpotLight sl = (SpotLight) l;
                Vector3f pos2 = sl.getPosition();
                Vector3f dir2 = sl.getDirection();
                float invRange = sl.getInvSpotRange();
                float spotAngleCos = sl.getPackedAngleCos();
                tmpVec.set(pos2.getX(), pos2.getY(), pos2.getZ(), 1.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                // tmpVec.divideLocal(tmpVec.w);
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), invRange, lightDataIndex);
                lightDataIndex++;
                //We transform the spot direction in view space here to save 5 varying later in the lighting shader
                //one vec4 less and a vec4 that becomes a vec3
                //the downside is that spotAngleCos decoding happens now in the frag shader.
                tmpVec.set(dir2.getX(), dir2.getY(), dir2.getZ(), 0.0f);
                rm.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                tmpVec.normalizeLocal();
                lightData.setVector4InArray(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), spotAngleCos, lightDataIndex);
                lightDataIndex++;
                break;
            case Probe:
                break;
            default:
                throw new UnsupportedOperationException("Unknown type of light: " + l.getType());
        }
    }
    vars.release();
    //Padding of unsued buffer space
    while (lightDataIndex < numLights * 3) {
        lightData.setVector4InArray(0f, 0f, 0f, 0f, lightDataIndex);
        lightDataIndex++;
    }
    return curIndex;
}

Example 17 with SpotLight

use of com.jme3.light.SpotLight in project jmonkeyengine by jMonkeyEngine.

the class TestManyLightsSingle method simpleInitApp.

@Override
public void simpleInitApp() {
    renderManager.setPreferredLightMode(lm);
    renderManager.setSinglePassLightBatchSize(6);
    flyCam.setMoveSpeed(10);
    Node scene = (Node) assetManager.loadModel("Scenes/ManyLights/Main.scene");
    rootNode.attachChild(scene);
    Node n = (Node) rootNode.getChild(0);
    final LightList lightList = n.getWorldLightList();
    final Geometry g = (Geometry) n.getChild("Grid-geom-1");
    g.getMaterial().setColor("Ambient", new ColorRGBA(0.2f, 0.2f, 0.2f, 1f));
    /* A colored lit cube. Needs light source! */
    Box boxMesh = new Box(1f, 1f, 1f);
    final Geometry boxGeo = new Geometry("Colored Box", boxMesh);
    Material boxMat = g.getMaterial().clone();
    boxMat.clearParam("DiffuseMap");
    boxMat.setBoolean("UseMaterialColors", true);
    boxMat.setColor("Ambient", new ColorRGBA(0.2f, 0.2f, 0.2f, 1f));
    boxMat.setColor("Diffuse", ColorRGBA.Blue);
    boxGeo.setMaterial(boxMat);
    final Node cubeNodes = new Node();
    n.attachChild(cubeNodes);
    int nb = 0;
    for (Light light : lightList) {
        nb++;
        PointLight p = (PointLight) light;
        if (nb > 60) {
            n.removeLight(light);
        } else {
            LightNode ln = new LightNode("l", light);
            n.attachChild(ln);
            ln.setLocalTranslation(p.getPosition());
            int rand = FastMath.nextRandomInt(0, 3);
            switch(rand) {
                case 0:
                    light.setColor(ColorRGBA.Red);
                    //   ln.addControl(new MoveControl(5f));
                    break;
                case 1:
                    light.setColor(ColorRGBA.Yellow);
                    //    ln.addControl(new MoveControl(5f));
                    break;
                case 2:
                    light.setColor(ColorRGBA.Green);
                    //ln.addControl(new MoveControl(-5f));
                    break;
                case 3:
                    light.setColor(ColorRGBA.Orange);
                    //ln.addControl(new MoveControl(-5f));
                    break;
            }
        }
        Geometry b = boxGeo.clone(false);
        cubeNodes.attachChild(b);
        b.setLocalTranslation(p.getPosition().x, 2, p.getPosition().z);
    }
    //        cam.setLocation(new Vector3f(3.1893547f, 17.977385f, 30.8378f));
    //        cam.setRotation(new Quaternion(0.14317635f, 0.82302624f, -0.23777823f, 0.49557027f));
    cam.setLocation(new Vector3f(-1.8901939f, 29.34097f, 73.07533f));
    cam.setRotation(new Quaternion(0.0021000702f, 0.971012f, -0.23886925f, 0.008527749f));
    BasicProfilerState profiler = new BasicProfilerState(true);
    profiler.setGraphScale(1000f);
    //  getStateManager().attach(profiler);
    //        guiNode.setCullHint(CullHint.Always);
    flyCam.setDragToRotate(true);
    flyCam.setMoveSpeed(50);
    final MaterialDebugAppState debug = new MaterialDebugAppState();
    stateManager.attach(debug);
    inputManager.addListener(new ActionListener() {

        public void onAction(String name, boolean isPressed, float tpf) {
            if (name.equals("toggle") && isPressed) {
                if (lm == TechniqueDef.LightMode.SinglePass) {
                    lm = TechniqueDef.LightMode.MultiPass;
                    helloText.setText("(Multi pass)");
                } else {
                    lm = TechniqueDef.LightMode.SinglePass;
                    helloText.setText("(Single pass) nb lights per batch : " + renderManager.getSinglePassLightBatchSize());
                }
                renderManager.setPreferredLightMode(lm);
                reloadScene(g, boxGeo, cubeNodes);
            }
            if (name.equals("lightsUp") && isPressed) {
                renderManager.setSinglePassLightBatchSize(renderManager.getSinglePassLightBatchSize() + 1);
                helloText.setText("(Single pass) nb lights per batch : " + renderManager.getSinglePassLightBatchSize());
            }
            if (name.equals("lightsDown") && isPressed) {
                renderManager.setSinglePassLightBatchSize(renderManager.getSinglePassLightBatchSize() - 1);
                helloText.setText("(Single pass) nb lights per batch : " + renderManager.getSinglePassLightBatchSize());
            }
            if (name.equals("toggleOnOff") && isPressed) {
                for (final Light light : lightList) {
                    if (light instanceof AmbientLight) {
                        continue;
                    }
                    light.setEnabled(!light.isEnabled());
                }
            }
        }
    }, "toggle", "lightsUp", "lightsDown", "toggleOnOff");
    inputManager.addMapping("toggle", new KeyTrigger(KeyInput.KEY_SPACE));
    inputManager.addMapping("lightsUp", new KeyTrigger(KeyInput.KEY_UP));
    inputManager.addMapping("lightsDown", new KeyTrigger(KeyInput.KEY_DOWN));
    inputManager.addMapping("toggleOnOff", new KeyTrigger(KeyInput.KEY_L));
    SpotLight spot = new SpotLight();
    spot.setDirection(new Vector3f(-1f, -1f, -1f).normalizeLocal());
    spot.setColor(ColorRGBA.Blue.mult(5));
    spot.setSpotOuterAngle(FastMath.DEG_TO_RAD * 20);
    spot.setSpotInnerAngle(FastMath.DEG_TO_RAD * 5);
    spot.setPosition(new Vector3f(10, 10, 20));
    rootNode.addLight(spot);
    DirectionalLight dl = new DirectionalLight();
    dl.setDirection(new Vector3f(-1, -1, 1));
    rootNode.addLight(dl);
    AmbientLight al = new AmbientLight();
    al.setColor(new ColorRGBA(0.2f, 0.2f, 0.2f, 1f));
    rootNode.addLight(al);
    /**
         * Write text on the screen (HUD)
         */
    guiNode.detachAllChildren();
    guiFont = assetManager.loadFont("Interface/Fonts/Default.fnt");
    helloText = new BitmapText(guiFont, false);
    helloText.setSize(guiFont.getCharSet().getRenderedSize());
    helloText.setText("(Single pass) nb lights per batch : " + renderManager.getSinglePassLightBatchSize());
    helloText.setLocalTranslation(300, helloText.getLineHeight(), 0);
    guiNode.attachChild(helloText);
}

Example 18 with SpotLight

use of com.jme3.light.SpotLight in project jmonkeyengine by jMonkeyEngine.

the class TestPointDirectionalAndSpotLightShadows method simpleInitApp.

@Override
public void simpleInitApp() {
    flyCam.setMoveSpeed(10);
    cam.setLocation(new Vector3f(0.040581334f, 1.7745866f, 6.155161f));
    cam.setRotation(new Quaternion(4.3868728E-5f, 0.9999293f, -0.011230096f, 0.0039059948f));
    Node scene = (Node) assetManager.loadModel("Models/Test/CornellBox.j3o");
    scene.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
    rootNode.attachChild(scene);
    rootNode.getChild("Cube").setShadowMode(RenderQueue.ShadowMode.Receive);
    lightNode = (Node) rootNode.getChild("Lamp");
    Geometry lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
    //Geometry  lightMdl = new Geometry("Light", new Box(.1f,.1f,.1f));
    lightMdl.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
    lightMdl.setShadowMode(RenderQueue.ShadowMode.Off);
    lightNode.attachChild(lightMdl);
    //lightMdl.setLocalTranslation(lightNode.getLocalTranslation());
    Geometry box = new Geometry("box", new Box(0.2f, 0.2f, 0.2f));
    //Geometry  lightMdl = new Geometry("Light", new Box(.1f,.1f,.1f));
    box.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
    box.setShadowMode(RenderQueue.ShadowMode.CastAndReceive);
    rootNode.attachChild(box);
    box.setLocalTranslation(-1f, 0.5f, -2);
    ((PointLight) scene.getLocalLightList().get(0)).setColor(ColorRGBA.Red);
    plsr = new PointLightShadowRenderer(assetManager, SHADOWMAP_SIZE);
    plsr.setLight((PointLight) scene.getLocalLightList().get(0));
    plsr.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    plsf = new PointLightShadowFilter(assetManager, SHADOWMAP_SIZE);
    plsf.setLight((PointLight) scene.getLocalLightList().get(0));
    plsf.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    plsf.setEnabled(useFilter);
    //DIRECTIONAL LIGHT
    DirectionalLight directionalLight = new DirectionalLight();
    rootNode.addLight(directionalLight);
    directionalLight.setColor(ColorRGBA.Blue);
    directionalLight.setDirection(new Vector3f(-1f, -.2f, 0f));
    dlsr = new DirectionalLightShadowRenderer(assetManager, SHADOWMAP_SIZE * 2, 4);
    dlsr.setLight(directionalLight);
    dlsr.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    dlsf = new DirectionalLightShadowFilter(assetManager, SHADOWMAP_SIZE * 2, 4);
    dlsf.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    dlsf.setLight(directionalLight);
    dlsf.setEnabled(useFilter);
    //SPOT LIGHT
    spotLight = new SpotLight();
    spotLight.setDirection(new Vector3f(1f, -1f, 0f));
    spotLight.setPosition(new Vector3f(-1f, 3f, 0f));
    spotLight.setSpotOuterAngle(0.5f);
    spotLight.setColor(ColorRGBA.Green);
    Sphere sphere = new Sphere(8, 8, .1f);
    Geometry sphereGeometry = new Geometry("Sphere", sphere);
    sphereGeometry.setLocalTranslation(-1f, 3f, 0f);
    sphereGeometry.setMaterial(assetManager.loadMaterial("Common/Materials/WhiteColor.j3m"));
    rootNode.attachChild(sphereGeometry);
    rootNode.addLight(spotLight);
    slsr = new SpotLightShadowRenderer(assetManager, SHADOWMAP_SIZE);
    slsr.setLight(spotLight);
    slsr.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    slsf = new SpotLightShadowFilter(assetManager, SHADOWMAP_SIZE);
    slsf.setLight(spotLight);
    slsf.setEdgeFilteringMode(EdgeFilteringMode.PCF4);
    slsf.setEnabled(useFilter);
    if (!useFilter)
        viewPort.addProcessor(slsr);
    if (!useFilter)
        viewPort.addProcessor(plsr);
    if (!useFilter)
        viewPort.addProcessor(dlsr);
    FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
    fpp.addFilter(plsf);
    fpp.addFilter(dlsf);
    fpp.addFilter(slsf);
    viewPort.addProcessor(fpp);
    ShadowTestUIManager uiMan = new ShadowTestUIManager(assetManager, plsr, plsf, guiNode, inputManager, viewPort);
    ShadowTestUIManager uiManPls = new ShadowTestUIManager(assetManager, plsr, plsf, guiNode, inputManager, viewPort);
    ShadowTestUIManager uiManDls = new ShadowTestUIManager(assetManager, dlsr, dlsf, guiNode, inputManager, viewPort);
    ShadowTestUIManager uiManSls = new ShadowTestUIManager(assetManager, slsr, slsf, guiNode, inputManager, viewPort);
}

Example 19 with SpotLight

use of com.jme3.light.SpotLight in project jmonkeyengine by jMonkeyEngine.

the class TestSpotLight method setupLighting.

public void setupLighting() {
    AmbientLight al = new AmbientLight();
    al.setColor(ColorRGBA.White.mult(0.02f));
    rootNode.addLight(al);
    spot = new SpotLight();
    spot.setSpotRange(1000);
    spot.setSpotInnerAngle(5 * FastMath.DEG_TO_RAD);
    spot.setSpotOuterAngle(10 * FastMath.DEG_TO_RAD);
    spot.setPosition(new Vector3f(77.70334f, 34.013165f, 27.1017f));
    spot.setDirection(lightTarget.subtract(spot.getPosition()));
    spot.setColor(ColorRGBA.White.mult(2));
    rootNode.addLight(spot);
    //        PointLight pl=new PointLight();
    //      pl.setPosition(new Vector3f(77.70334f, 34.013165f, 27.1017f));
    //      pl.setRadius(1000);     
    //      pl.setColor(ColorRGBA.White.mult(2));
    //      rootNode.addLight(pl);
    lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
    lightMdl.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
    lightMdl.setLocalTranslation(new Vector3f(77.70334f, 34.013165f, 27.1017f));
    lightMdl.setLocalScale(5);
    rootNode.attachChild(lightMdl);
//        DirectionalLight dl = new DirectionalLight();
//        dl.setDirection(lightTarget.subtract(new Vector3f(77.70334f, 34.013165f, 27.1017f)));
//        dl.setColor(ColorRGBA.White.mult(2));
//        rootNode.addLight(dl);
}

Example 20 with SpotLight

use of com.jme3.light.SpotLight in project jmonkeyengine by jMonkeyEngine.

the class TestSpotLightShadows method setupLighting.

public void setupLighting() {
    AmbientLight al = new AmbientLight();
    al.setColor(ColorRGBA.White.mult(0.02f));
    rootNode.addLight(al);
    rootNode.setShadowMode(ShadowMode.CastAndReceive);
    spot = new SpotLight();
    spot.setSpotRange(1000);
    spot.setSpotInnerAngle(5f * FastMath.DEG_TO_RAD);
    spot.setSpotOuterAngle(10 * FastMath.DEG_TO_RAD);
    spot.setPosition(new Vector3f(70.70334f, 34.013165f, 27.1017f));
    spot.setDirection(lightTarget.subtract(spot.getPosition()).normalizeLocal());
    spot.setColor(ColorRGBA.White.mult(2));
    rootNode.addLight(spot);
    //        PointLight pl=new PointLight();
    //      pl.setPosition(new Vector3f(77.70334f, 34.013165f, 27.1017f));
    //      pl.setRadius(1000);     
    //      pl.setColor(ColorRGBA.White.mult(2));
    //      rootNode.addLight(pl);
    lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
    lightMdl.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
    lightMdl.setLocalTranslation(new Vector3f(77.70334f, 34.013165f, 27.1017f));
    lightMdl.setLocalScale(5);
    rootNode.attachChild(lightMdl);
    //        DirectionalLight dl = new DirectionalLight();
    //        dl.setDirection(lightTarget.subtract(new Vector3f(77.70334f, 34.013165f, 27.1017f)));
    //        dl.setColor(ColorRGBA.White.mult(0.7f));
    //        rootNode.addLight(dl);
    final SpotLightShadowRenderer slsr = new SpotLightShadowRenderer(assetManager, 512);
    slsr.setLight(spot);
    slsr.setShadowIntensity(0.5f);
    slsr.setShadowZExtend(100);
    slsr.setShadowZFadeLength(5);
    slsr.setEdgeFilteringMode(EdgeFilteringMode.PCFPOISSON);
    viewPort.addProcessor(slsr);
    SpotLightShadowFilter slsf = new SpotLightShadowFilter(assetManager, 512);
    slsf.setLight(spot);
    slsf.setShadowIntensity(0.5f);
    slsf.setShadowZExtend(100);
    slsf.setShadowZFadeLength(5);
    slsf.setEdgeFilteringMode(EdgeFilteringMode.PCFPOISSON);
    slsf.setEnabled(false);
    FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
    fpp.addFilter(slsf);
    viewPort.addProcessor(fpp);
    ShadowTestUIManager uiMan = new ShadowTestUIManager(assetManager, slsr, slsf, guiNode, inputManager, viewPort);
    inputManager.addListener(new ActionListener() {

        public void onAction(String name, boolean isPressed, float tpf) {
            if (name.equals("stop") && isPressed) {
                stop = !stop;
                //   slsr.displayFrustum();
                System.out.println("pos : " + spot.getPosition());
                System.out.println("dir : " + spot.getDirection());
            }
        }
    }, "stop");
    inputManager.addMapping("stop", new KeyTrigger(KeyInput.KEY_1));
    flyCam.setDragToRotate(true);
}