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

Example 6 with SpotLight

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

the class TestSpotLightTerrain method simpleInitApp.

@Override
public void simpleInitApp() {
    makeTerrain();
    flyCam.setMoveSpeed(50);
    sl = new SpotLight();
    sl.setSpotRange(100);
    sl.setSpotOuterAngle(20 * FastMath.DEG_TO_RAD);
    sl.setSpotInnerAngle(15 * FastMath.DEG_TO_RAD);
    sl.setDirection(new Vector3f(-0.39820394f, -0.73094344f, 0.55421597f));
    sl.setPosition(new Vector3f(-64.61567f, -87.615425f, -202.41328f));
    rootNode.addLight(sl);
    AmbientLight ambLight = new AmbientLight();
    ambLight.setColor(ColorRGBA.Black);
    rootNode.addLight(ambLight);
    cam.setLocation(new Vector3f(-41.219646f, 0.8363f, -171.67267f));
    cam.setRotation(new Quaternion(-0.04562731f, 0.89917684f, -0.09668826f, -0.4243236f));
    sl.setDirection(cam.getDirection());
    sl.setPosition(cam.getLocation());
}

Example 7 with SpotLight

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

the class MultiPassLightingLogic method render.

@Override
public void render(RenderManager renderManager, Shader shader, Geometry geometry, LightList lights, int lastTexUnit) {
    Renderer r = renderManager.getRenderer();
    Uniform lightDir = shader.getUniform("g_LightDirection");
    Uniform lightColor = shader.getUniform("g_LightColor");
    Uniform lightPos = shader.getUniform("g_LightPosition");
    Uniform ambientColor = shader.getUniform("g_AmbientLightColor");
    boolean isFirstLight = true;
    boolean isSecondLight = false;
    getAmbientColor(lights, false, ambientLightColor);
    for (int i = 0; i < lights.size(); i++) {
        Light l = lights.get(i);
        if (l instanceof AmbientLight) {
            continue;
        }
        if (isFirstLight) {
            // set ambient color for first light only
            ambientColor.setValue(VarType.Vector4, ambientLightColor);
            isFirstLight = false;
            isSecondLight = true;
        } else if (isSecondLight) {
            ambientColor.setValue(VarType.Vector4, ColorRGBA.Black);
            // apply additive blending for 2nd and future lights
            r.applyRenderState(ADDITIVE_LIGHT);
            isSecondLight = false;
        }
        TempVars vars = TempVars.get();
        Quaternion tmpLightDirection = vars.quat1;
        Quaternion tmpLightPosition = vars.quat2;
        ColorRGBA tmpLightColor = vars.color;
        Vector4f tmpVec = vars.vect4f1;
        ColorRGBA color = l.getColor();
        tmpLightColor.set(color);
        tmpLightColor.a = l.getType().getId();
        lightColor.setValue(VarType.Vector4, tmpLightColor);
        switch(l.getType()) {
            case Directional:
                DirectionalLight dl = (DirectionalLight) l;
                Vector3f dir = dl.getDirection();
                //FIXME : there is an inconstency here due to backward
                //compatibility of the lighting shader.
                //The directional light direction is passed in the
                //LightPosition uniform. The lighting shader needs to be
                //reworked though in order to fix this.
                tmpLightPosition.set(dir.getX(), dir.getY(), dir.getZ(), -1);
                lightPos.setValue(VarType.Vector4, tmpLightPosition);
                tmpLightDirection.set(0, 0, 0, 0);
                lightDir.setValue(VarType.Vector4, tmpLightDirection);
                break;
            case Point:
                PointLight pl = (PointLight) l;
                Vector3f pos = pl.getPosition();
                float invRadius = pl.getInvRadius();
                tmpLightPosition.set(pos.getX(), pos.getY(), pos.getZ(), invRadius);
                lightPos.setValue(VarType.Vector4, tmpLightPosition);
                tmpLightDirection.set(0, 0, 0, 0);
                lightDir.setValue(VarType.Vector4, tmpLightDirection);
                break;
            case Spot:
                SpotLight sl = (SpotLight) l;
                Vector3f pos2 = sl.getPosition();
                Vector3f dir2 = sl.getDirection();
                float invRange = sl.getInvSpotRange();
                float spotAngleCos = sl.getPackedAngleCos();
                tmpLightPosition.set(pos2.getX(), pos2.getY(), pos2.getZ(), invRange);
                lightPos.setValue(VarType.Vector4, tmpLightPosition);
                //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);
                renderManager.getCurrentCamera().getViewMatrix().mult(tmpVec, tmpVec);
                tmpLightDirection.set(tmpVec.getX(), tmpVec.getY(), tmpVec.getZ(), spotAngleCos);
                lightDir.setValue(VarType.Vector4, tmpLightDirection);
                break;
            case Probe:
                break;
            default:
                throw new UnsupportedOperationException("Unknown type of light: " + l.getType());
        }
        vars.release();
        r.setShader(shader);
        renderMeshFromGeometry(r, geometry);
    }
    if (isFirstLight) {
        // Either there are no lights at all, or only ambient lights.
        // Render a dummy "normal light" so we can see the ambient color.
        ambientColor.setValue(VarType.Vector4, getAmbientColor(lights, false, ambientLightColor));
        lightColor.setValue(VarType.Vector4, ColorRGBA.BlackNoAlpha);
        lightPos.setValue(VarType.Vector4, NULL_DIR_LIGHT);
        r.setShader(shader);
        renderMeshFromGeometry(r, geometry);
    }
}

Example 8 with SpotLight

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

the class StaticPassLightingLogic method makeCurrent.

@Override
public Shader makeCurrent(AssetManager assetManager, RenderManager renderManager, EnumSet<Caps> rendererCaps, LightList lights, DefineList defines) {
    // TODO: if it ever changes that render isn't called
    // right away with the same geometry after makeCurrent, it would be
    // a problem.
    // Do a radix sort.
    tempDirLights.clear();
    tempPointLights.clear();
    tempSpotLights.clear();
    for (Light light : lights) {
        switch(light.getType()) {
            case Directional:
                tempDirLights.add((DirectionalLight) light);
                break;
            case Point:
                tempPointLights.add((PointLight) light);
                break;
            case Spot:
                tempSpotLights.add((SpotLight) light);
                break;
        }
    }
    defines.set(numDirLightsDefineId, tempDirLights.size());
    defines.set(numPointLightsDefineId, tempPointLights.size());
    defines.set(numSpotLightsDefineId, tempSpotLights.size());
    return techniqueDef.getShader(assetManager, rendererCaps, defines);
}

Example 9 with SpotLight

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

the class StaticPassLightingLogic method updateLightListUniforms.

private void updateLightListUniforms(Matrix4f viewMatrix, Shader shader, LightList lights) {
    Uniform ambientColor = shader.getUniform("g_AmbientLightColor");
    ambientColor.setValue(VarType.Vector4, getAmbientColor(lights, true, ambientLightColor));
    Uniform lightData = shader.getUniform("g_LightData");
    int totalSize = tempDirLights.size() * 2 + tempPointLights.size() * 2 + tempSpotLights.size() * 3;
    lightData.setVector4Length(totalSize);
    int index = 0;
    for (DirectionalLight light : tempDirLights) {
        ColorRGBA color = light.getColor();
        tempDirection.set(light.getDirection());
        transformDirection(viewMatrix, tempDirection);
        lightData.setVector4InArray(color.r, color.g, color.b, 1f, index++);
        lightData.setVector4InArray(tempDirection.x, tempDirection.y, tempDirection.z, 1f, index++);
    }
    for (PointLight light : tempPointLights) {
        ColorRGBA color = light.getColor();
        tempPosition.set(light.getPosition());
        float invRadius = light.getInvRadius();
        transformPosition(viewMatrix, tempPosition);
        lightData.setVector4InArray(color.r, color.g, color.b, 1f, index++);
        lightData.setVector4InArray(tempPosition.x, tempPosition.y, tempPosition.z, invRadius, index++);
    }
    for (SpotLight light : tempSpotLights) {
        ColorRGBA color = light.getColor();
        Vector3f pos = light.getPosition();
        Vector3f dir = light.getDirection();
        tempPosition.set(light.getPosition());
        tempDirection.set(light.getDirection());
        transformPosition(viewMatrix, tempPosition);
        transformDirection(viewMatrix, tempDirection);
        float invRange = light.getInvSpotRange();
        float spotAngleCos = light.getPackedAngleCos();
        lightData.setVector4InArray(color.r, color.g, color.b, 1f, index++);
        lightData.setVector4InArray(tempPosition.x, tempPosition.y, tempPosition.z, invRange, index++);
        lightData.setVector4InArray(tempDirection.x, tempDirection.y, tempDirection.z, spotAngleCos, index++);
    }
}

Example 10 with SpotLight

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

the class LightControl method spatialTolight.

private void spatialTolight(Light light) {
    if (light instanceof PointLight) {
        ((PointLight) light).setPosition(spatial.getWorldTranslation());
    }
    TempVars vars = TempVars.get();
    if (light instanceof DirectionalLight) {
        ((DirectionalLight) light).setDirection(vars.vect1.set(spatial.getWorldTranslation()).multLocal(-1.0f));
    }
    if (light instanceof SpotLight) {
        ((SpotLight) light).setPosition(spatial.getWorldTranslation());
        ((SpotLight) light).setDirection(spatial.getWorldRotation().multLocal(vars.vect1.set(Vector3f.UNIT_Y).multLocal(-1)));
    }
    vars.release();
}