Examples with Point com.jme3.scene.plugins.blender.meshes.Point used on opensource projects

Example 11 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class TemporalMesh method preparePointsGeometry.

/**
     * The method creates geometries from points.
     * @param result
     *            the list where new geometries will be appended
     * @param meshHelper
     *            the mesh helper
     */
protected void preparePointsGeometry(List<Geometry> result, MeshHelper meshHelper) {
    if (points.size() > 0) {
        LOGGER.fine("Preparing point geometries.");
        MeshBuffers pointBuffers = new MeshBuffers(0);
        for (Point point : points) {
            pointBuffers.append(vertices.get(point.getIndex()), normals.get(point.getIndex()));
        }
        Mesh pointsMesh = new Mesh();
        pointsMesh.setMode(Mode.Points);
        pointsMesh.setPointSize(blenderContext.getBlenderKey().getPointsSize());
        if (pointBuffers.isShortIndexBuffer()) {
            pointsMesh.setBuffer(Type.Index, 1, (ShortBuffer) pointBuffers.getIndexBuffer());
        } else {
            pointsMesh.setBuffer(Type.Index, 1, (IntBuffer) pointBuffers.getIndexBuffer());
        }
        pointsMesh.setBuffer(pointBuffers.getPositionsBuffer());
        pointsMesh.setBuffer(pointBuffers.getNormalsBuffer());
        Geometry pointsGeometry = new Geometry(meshStructure.getName() + (result.size() + 1), pointsMesh);
        pointsGeometry.setMaterial(meshHelper.getBlackUnshadedMaterial(blenderContext));
        if (properties != null && properties.getValue() != null) {
            meshHelper.applyProperties(pointsGeometry, properties);
        }
        result.add(pointsGeometry);
    }
}

Example 12 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class TestToneMapFilter method initInputs.

private void initInputs() {
    inputManager.addMapping("toggle", new KeyTrigger(KeyInput.KEY_SPACE));
    inputManager.addMapping("WhitePointUp", new KeyTrigger(KeyInput.KEY_Y));
    inputManager.addMapping("WhitePointDown", new KeyTrigger(KeyInput.KEY_H));
    ActionListener acl = new ActionListener() {

        public void onAction(String name, boolean keyPressed, float tpf) {
            if (name.equals("toggle") && keyPressed) {
                if (enabled) {
                    enabled = false;
                    viewPort.removeProcessor(fpp);
                    System.out.println("Tone Mapping OFF");
                } else {
                    enabled = true;
                    viewPort.addProcessor(fpp);
                    System.out.println("Tone Mapping ON");
                }
            }
        }
    };
    AnalogListener anl = new AnalogListener() {

        public void onAnalog(String name, float isPressed, float tpf) {
            if (name.equals("WhitePointUp")) {
                whitePointLog += tpf * 1.0;
                if (whitePointLog > 4f) {
                    whitePointLog = 4f;
                }
                float wp = FastMath.exp(whitePointLog);
                toneMapFilter.setWhitePoint(new Vector3f(wp, wp, wp));
                System.out.println("White point: " + wp);
            }
            if (name.equals("WhitePointDown")) {
                whitePointLog -= tpf * 1.0;
                if (whitePointLog < -4f) {
                    whitePointLog = -4f;
                }
                float wp = FastMath.exp(whitePointLog);
                toneMapFilter.setWhitePoint(new Vector3f(wp, wp, wp));
                System.out.println("White point: " + wp);
            }
        }
    };
    inputManager.addListener(acl, "toggle");
    inputManager.addListener(anl, "WhitePointUp", "WhitePointDown");
}

Example 13 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class TestToneMapFilter method simpleInitApp.

@Override
public void simpleInitApp() {
    System.out.println("== Tone Mapping Sample ==");
    System.out.println(" SPACE:\tToggle tone-mapping OFF or ON");
    System.out.println(" Y:\tIncrease white-point");
    System.out.println(" H:\tDecrease white-point");
    fpp = new FilterPostProcessor(assetManager);
    toneMapFilter = new ToneMapFilter();
    fpp.addFilter(toneMapFilter);
    viewPort.addProcessor(fpp);
    rootNode.attachChild(createHDRBox());
    cam.setLocation(new Vector3f(0f, 0f, 3f));
    initInputs();
}

Example 14 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class VRGuiManager method positionGuiNow.

/**
	 * Position the GUI without delay.
	 * @param tpf the time per frame.
	 */
protected void positionGuiNow(float tpf) {
    if (environment != null) {
        wantsReposition = false;
        if (environment.isInVR() == false) {
            return;
        }
        guiQuadNode.setLocalScale(guiDistance * guiScale * 4f, 4f * guiDistance * guiScale, 1f);
        switch(posMode) {
            case MANUAL:
            case AUTO_CAM_ALL_SKIP_PITCH:
            case AUTO_CAM_ALL:
                if (camLeft != null && camRight != null) {
                    // get middle point
                    temppos.set(camLeft.getLocation()).interpolateLocal(camRight.getLocation(), 0.5f);
                    positionTo(temppos, camLeft.getRotation(), tpf);
                }
                rotateScreenTo(camLeft.getRotation(), tpf);
                break;
            case AUTO_OBSERVER_POS_CAM_ROTATION:
                Object obs = environment.getObserver();
                if (obs != null) {
                    if (obs instanceof Camera) {
                        positionTo(((Camera) obs).getLocation(), camLeft.getRotation(), tpf);
                    } else {
                        positionTo(((Spatial) obs).getWorldTranslation(), camLeft.getRotation(), tpf);
                    }
                }
                rotateScreenTo(camLeft.getRotation(), tpf);
                break;
            case AUTO_OBSERVER_ALL:
            case AUTO_OBSERVER_ALL_CAMHEIGHT:
                obs = environment.getObserver();
                if (obs != null) {
                    Quaternion q;
                    if (obs instanceof Camera) {
                        q = ((Camera) obs).getRotation();
                        temppos.set(((Camera) obs).getLocation());
                    } else {
                        q = ((Spatial) obs).getWorldRotation();
                        temppos.set(((Spatial) obs).getWorldTranslation());
                    }
                    if (posMode == VRGUIPositioningMode.AUTO_OBSERVER_ALL_CAMHEIGHT) {
                        temppos.y = camLeft.getLocation().y;
                    }
                    positionTo(temppos, q, tpf);
                    rotateScreenTo(q, tpf);
                }
                break;
        }
    } else {
        throw new IllegalStateException("VR GUI manager is not attached to any environment.");
    }
}

Example 15 with Point

use of com.jme3.scene.plugins.blender.meshes.Point in project jmonkeyengine by jMonkeyEngine.

the class Cylinder method updateGeometry.

/**
     * Rebuilds the cylinder based on a new set of parameters.
     *
     * @param axisSamples the number of samples along the axis.
     * @param radialSamples the number of samples around the radial.
     * @param radius the radius of the bottom of the cylinder.
     * @param radius2 the radius of the top of the cylinder.
     * @param height the cylinder's height.
     * @param closed should the cylinder have top and bottom surfaces.
     * @param inverted is the cylinder is meant to be viewed from the inside.
     */
public void updateGeometry(int axisSamples, int radialSamples, float radius, float radius2, float height, boolean closed, boolean inverted) {
    this.axisSamples = axisSamples;
    this.radialSamples = radialSamples;
    this.radius = radius;
    this.radius2 = radius2;
    this.height = height;
    this.closed = closed;
    this.inverted = inverted;
    //        VertexBuffer pvb = getBuffer(Type.Position);
    //        VertexBuffer nvb = getBuffer(Type.Normal);
    //        VertexBuffer tvb = getBuffer(Type.TexCoord);
    axisSamples += (closed ? 2 : 0);
    // Vertices
    int vertCount = axisSamples * (radialSamples + 1) + (closed ? 2 : 0);
    setBuffer(Type.Position, 3, createVector3Buffer(getFloatBuffer(Type.Position), vertCount));
    // Normals
    setBuffer(Type.Normal, 3, createVector3Buffer(getFloatBuffer(Type.Normal), vertCount));
    // Texture co-ordinates
    setBuffer(Type.TexCoord, 2, createVector2Buffer(vertCount));
    int triCount = ((closed ? 2 : 0) + 2 * (axisSamples - 1)) * radialSamples;
    setBuffer(Type.Index, 3, createShortBuffer(getShortBuffer(Type.Index), 3 * triCount));
    // generate geometry
    float inverseRadial = 1.0f / radialSamples;
    float inverseAxisLess = 1.0f / (closed ? axisSamples - 3 : axisSamples - 1);
    float inverseAxisLessTexture = 1.0f / (axisSamples - 1);
    float halfHeight = 0.5f * height;
    // Generate points on the unit circle to be used in computing the mesh
    // points on a cylinder slice.
    float[] sin = new float[radialSamples + 1];
    float[] cos = new float[radialSamples + 1];
    for (int radialCount = 0; radialCount < radialSamples; radialCount++) {
        float angle = FastMath.TWO_PI * inverseRadial * radialCount;
        cos[radialCount] = FastMath.cos(angle);
        sin[radialCount] = FastMath.sin(angle);
    }
    sin[radialSamples] = sin[0];
    cos[radialSamples] = cos[0];
    // calculate normals
    Vector3f[] vNormals = null;
    Vector3f vNormal = Vector3f.UNIT_Z;
    if ((height != 0.0f) && (radius != radius2)) {
        vNormals = new Vector3f[radialSamples];
        Vector3f vHeight = Vector3f.UNIT_Z.mult(height);
        Vector3f vRadial = new Vector3f();
        for (int radialCount = 0; radialCount < radialSamples; radialCount++) {
            vRadial.set(cos[radialCount], sin[radialCount], 0.0f);
            Vector3f vRadius = vRadial.mult(radius);
            Vector3f vRadius2 = vRadial.mult(radius2);
            Vector3f vMantle = vHeight.subtract(vRadius2.subtract(vRadius));
            Vector3f vTangent = vRadial.cross(Vector3f.UNIT_Z);
            vNormals[radialCount] = vMantle.cross(vTangent).normalize();
        }
    }
    FloatBuffer nb = getFloatBuffer(Type.Normal);
    FloatBuffer pb = getFloatBuffer(Type.Position);
    FloatBuffer tb = getFloatBuffer(Type.TexCoord);
    // generate the cylinder itself
    Vector3f tempNormal = new Vector3f();
    for (int axisCount = 0, i = 0; axisCount < axisSamples; axisCount++, i++) {
        float axisFraction;
        float axisFractionTexture;
        int topBottom = 0;
        if (!closed) {
            // in [0,1]
            axisFraction = axisCount * inverseAxisLess;
            axisFractionTexture = axisFraction;
        } else {
            if (axisCount == 0) {
                // bottom
                topBottom = -1;
                axisFraction = 0;
                axisFractionTexture = inverseAxisLessTexture;
            } else if (axisCount == axisSamples - 1) {
                // top
                topBottom = 1;
                axisFraction = 1;
                axisFractionTexture = 1 - inverseAxisLessTexture;
            } else {
                axisFraction = (axisCount - 1) * inverseAxisLess;
                axisFractionTexture = axisCount * inverseAxisLessTexture;
            }
        }
        // compute center of slice
        float z = -halfHeight + height * axisFraction;
        Vector3f sliceCenter = new Vector3f(0, 0, z);
        // compute slice vertices with duplication at end point
        int save = i;
        for (int radialCount = 0; radialCount < radialSamples; radialCount++, i++) {
            // in [0,1)
            float radialFraction = radialCount * inverseRadial;
            tempNormal.set(cos[radialCount], sin[radialCount], 0.0f);
            if (vNormals != null) {
                vNormal = vNormals[radialCount];
            } else if (radius == radius2) {
                vNormal = tempNormal;
            }
            if (topBottom == 0) {
                if (!inverted)
                    nb.put(vNormal.x).put(vNormal.y).put(vNormal.z);
                else
                    nb.put(-vNormal.x).put(-vNormal.y).put(-vNormal.z);
            } else {
                nb.put(0).put(0).put(topBottom * (inverted ? -1 : 1));
            }
            tempNormal.multLocal((radius - radius2) * axisFraction + radius2).addLocal(sliceCenter);
            pb.put(tempNormal.x).put(tempNormal.y).put(tempNormal.z);
            tb.put((inverted ? 1 - radialFraction : radialFraction)).put(axisFractionTexture);
        }
        BufferUtils.copyInternalVector3(pb, save, i);
        BufferUtils.copyInternalVector3(nb, save, i);
        tb.put((inverted ? 0.0f : 1.0f)).put(axisFractionTexture);
    }
    if (closed) {
        // bottom center
        pb.put(0).put(0).put(-halfHeight);
        nb.put(0).put(0).put(-1 * (inverted ? -1 : 1));
        tb.put(0.5f).put(0);
        // top center
        pb.put(0).put(0).put(halfHeight);
        nb.put(0).put(0).put(1 * (inverted ? -1 : 1));
        tb.put(0.5f).put(1);
    }
    IndexBuffer ib = getIndexBuffer();
    int index = 0;
    // Connectivity
    for (int axisCount = 0, axisStart = 0; axisCount < axisSamples - 1; axisCount++) {
        int i0 = axisStart;
        int i1 = i0 + 1;
        axisStart += radialSamples + 1;
        int i2 = axisStart;
        int i3 = i2 + 1;
        for (int i = 0; i < radialSamples; i++) {
            if (closed && axisCount == 0) {
                if (!inverted) {
                    ib.put(index++, i0++);
                    ib.put(index++, vertCount - 2);
                    ib.put(index++, i1++);
                } else {
                    ib.put(index++, i0++);
                    ib.put(index++, i1++);
                    ib.put(index++, vertCount - 2);
                }
            } else if (closed && axisCount == axisSamples - 2) {
                ib.put(index++, i2++);
                ib.put(index++, inverted ? vertCount - 1 : i3++);
                ib.put(index++, inverted ? i3++ : vertCount - 1);
            } else {
                ib.put(index++, i0++);
                ib.put(index++, inverted ? i2 : i1);
                ib.put(index++, inverted ? i1 : i2);
                ib.put(index++, i1++);
                ib.put(index++, inverted ? i2++ : i3++);
                ib.put(index++, inverted ? i3++ : i2++);
            }
        }
    }
    updateBound();
    setStatic();
}