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

Example 71 with Geometry

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

the class TestChaseCamera method simpleInitApp.

public void simpleInitApp() {
    // Load a teapot model
    teaGeom = (Geometry) assetManager.loadModel("Models/Teapot/Teapot.obj");
    Material mat_tea = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");
    teaGeom.setMaterial(mat_tea);
    rootNode.attachChild(teaGeom);
    // Load a floor model
    Material mat_ground = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
    mat_ground.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
    Geometry ground = new Geometry("ground", new Quad(50, 50));
    ground.setLocalRotation(new Quaternion().fromAngleAxis(-FastMath.HALF_PI, Vector3f.UNIT_X));
    ground.setLocalTranslation(-25, -1, 25);
    ground.setMaterial(mat_ground);
    rootNode.attachChild(ground);
    // Disable the default first-person cam!
    flyCam.setEnabled(false);
    // Enable a chase cam
    chaseCam = new ChaseCamera(cam, teaGeom, inputManager);
    //Uncomment this to invert the camera's vertical rotation Axis 
    //chaseCam.setInvertVerticalAxis(true);
    //Uncomment this to invert the camera's horizontal rotation Axis
    //chaseCam.setInvertHorizontalAxis(true);
    //Comment this to disable smooth camera motion
    chaseCam.setSmoothMotion(true);
    //Uncomment this to disable trailing of the camera 
    //WARNING, trailing only works with smooth motion enabled. It is true by default.
    //chaseCam.setTrailingEnabled(false);
    //Uncomment this to look 3 world units above the target
    //chaseCam.setLookAtOffset(Vector3f.UNIT_Y.mult(3));
    //Uncomment this to enable rotation when the middle mouse button is pressed (like Blender)
    //WARNING : setting this trigger disable the rotation on right and left mouse button click
    //chaseCam.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE));
    //Uncomment this to set mutiple triggers to enable rotation of the cam
    //Here spade bar and middle mouse button
    //chaseCam.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE),new KeyTrigger(KeyInput.KEY_SPACE));
    //registering inputs for target's movement
    registerInput();
}

Example 72 with Geometry

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

the class BatchNode method updateSubBatch.

protected void updateSubBatch(Geometry bg) {
    Batch batch = batchesByGeom.get(bg);
    if (batch != null) {
        Mesh mesh = batch.geometry.getMesh();
        Mesh origMesh = bg.getMesh();
        VertexBuffer pvb = mesh.getBuffer(VertexBuffer.Type.Position);
        FloatBuffer posBuf = (FloatBuffer) pvb.getData();
        VertexBuffer nvb = mesh.getBuffer(VertexBuffer.Type.Normal);
        FloatBuffer normBuf = (FloatBuffer) nvb.getData();
        VertexBuffer opvb = origMesh.getBuffer(VertexBuffer.Type.Position);
        FloatBuffer oposBuf = (FloatBuffer) opvb.getData();
        VertexBuffer onvb = origMesh.getBuffer(VertexBuffer.Type.Normal);
        FloatBuffer onormBuf = (FloatBuffer) onvb.getData();
        Matrix4f transformMat = getTransformMatrix(bg);
        if (mesh.getBuffer(VertexBuffer.Type.Tangent) != null) {
            VertexBuffer tvb = mesh.getBuffer(VertexBuffer.Type.Tangent);
            FloatBuffer tanBuf = (FloatBuffer) tvb.getData();
            VertexBuffer otvb = origMesh.getBuffer(VertexBuffer.Type.Tangent);
            FloatBuffer otanBuf = (FloatBuffer) otvb.getData();
            doTransformsTangents(oposBuf, onormBuf, otanBuf, posBuf, normBuf, tanBuf, bg.startIndex, bg.startIndex + bg.getVertexCount(), transformMat);
            tvb.updateData(tanBuf);
        } else {
            doTransforms(oposBuf, onormBuf, posBuf, normBuf, bg.startIndex, bg.startIndex + bg.getVertexCount(), transformMat);
        }
        pvb.updateData(posBuf);
        nvb.updateData(normBuf);
        batch.geometry.updateModelBound();
    }
}

Example 73 with Geometry

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

the class BatchNode method mergeGeometries.

/**
     * Merges all geometries in the collection into
     * the output mesh. Does not take into account materials.
     *
     * @param geometries
     * @param outMesh
     */
private void mergeGeometries(Mesh outMesh, List<Geometry> geometries) {
    int[] compsForBuf = new int[VertexBuffer.Type.values().length];
    VertexBuffer.Format[] formatForBuf = new VertexBuffer.Format[compsForBuf.length];
    boolean[] normForBuf = new boolean[VertexBuffer.Type.values().length];
    int totalVerts = 0;
    int totalTris = 0;
    int totalLodLevels = 0;
    int maxWeights = -1;
    Mesh.Mode mode = null;
    float lineWidth = 1f;
    for (Geometry geom : geometries) {
        totalVerts += geom.getVertexCount();
        totalTris += geom.getTriangleCount();
        totalLodLevels = Math.min(totalLodLevels, geom.getMesh().getNumLodLevels());
        if (maxVertCount < geom.getVertexCount()) {
            maxVertCount = geom.getVertexCount();
        }
        Mesh.Mode listMode;
        //float listLineWidth = 1f;
        int components;
        switch(geom.getMesh().getMode()) {
            case Points:
                listMode = Mesh.Mode.Points;
                components = 1;
                break;
            case LineLoop:
            case LineStrip:
            case Lines:
                listMode = Mesh.Mode.Lines;
                //listLineWidth = geom.getMesh().getLineWidth();
                components = 2;
                break;
            case TriangleFan:
            case TriangleStrip:
            case Triangles:
                listMode = Mesh.Mode.Triangles;
                components = 3;
                break;
            default:
                throw new UnsupportedOperationException();
        }
        for (VertexBuffer vb : geom.getMesh().getBufferList().getArray()) {
            int currentCompsForBuf = compsForBuf[vb.getBufferType().ordinal()];
            if (vb.getBufferType() != VertexBuffer.Type.Index && currentCompsForBuf != 0 && currentCompsForBuf != vb.getNumComponents()) {
                throw new UnsupportedOperationException("The geometry " + geom + " buffer " + vb.getBufferType() + " has different number of components than the rest of the meshes " + "(this: " + vb.getNumComponents() + ", expected: " + currentCompsForBuf + ")");
            }
            compsForBuf[vb.getBufferType().ordinal()] = vb.getNumComponents();
            formatForBuf[vb.getBufferType().ordinal()] = vb.getFormat();
            normForBuf[vb.getBufferType().ordinal()] = vb.isNormalized();
        }
        maxWeights = Math.max(maxWeights, geom.getMesh().getMaxNumWeights());
        if (mode != null && mode != listMode) {
            throw new UnsupportedOperationException("Cannot combine different" + " primitive types: " + mode + " != " + listMode);
        }
        mode = listMode;
        //Not needed anymore as lineWidth is now in RenderState and will be taken into account when merging according to the material
        //            if (mode == Mesh.Mode.Lines) {
        //                if (lineWidth != 1f && listLineWidth != lineWidth) {
        //                    throw new UnsupportedOperationException("When using Mesh Line mode, cannot combine meshes with different line width "
        //                            + lineWidth + " != " + listLineWidth);
        //                }
        //                lineWidth = listLineWidth;
        //            }
        compsForBuf[VertexBuffer.Type.Index.ordinal()] = components;
    }
    outMesh.setMaxNumWeights(maxWeights);
    outMesh.setMode(mode);
    //outMesh.setLineWidth(lineWidth);
    if (totalVerts >= 65536) {
        // make sure we create an UnsignedInt buffer so we can fit all of the meshes
        formatForBuf[VertexBuffer.Type.Index.ordinal()] = VertexBuffer.Format.UnsignedInt;
    } else {
        formatForBuf[VertexBuffer.Type.Index.ordinal()] = VertexBuffer.Format.UnsignedShort;
    }
    // generate output buffers based on retrieved info
    for (int i = 0; i < compsForBuf.length; i++) {
        if (compsForBuf[i] == 0) {
            continue;
        }
        Buffer data;
        if (i == VertexBuffer.Type.Index.ordinal()) {
            data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalTris);
        } else {
            data = VertexBuffer.createBuffer(formatForBuf[i], compsForBuf[i], totalVerts);
        }
        VertexBuffer vb = new VertexBuffer(VertexBuffer.Type.values()[i]);
        vb.setupData(VertexBuffer.Usage.Dynamic, compsForBuf[i], formatForBuf[i], data);
        vb.setNormalized(normForBuf[i]);
        outMesh.setBuffer(vb);
    }
    int globalVertIndex = 0;
    int globalTriIndex = 0;
    for (Geometry geom : geometries) {
        Mesh inMesh = geom.getMesh();
        if (!isBatch(geom)) {
            geom.associateWithGroupNode(this, globalVertIndex);
        }
        int geomVertCount = inMesh.getVertexCount();
        int geomTriCount = inMesh.getTriangleCount();
        for (int bufType = 0; bufType < compsForBuf.length; bufType++) {
            VertexBuffer inBuf = inMesh.getBuffer(VertexBuffer.Type.values()[bufType]);
            VertexBuffer outBuf = outMesh.getBuffer(VertexBuffer.Type.values()[bufType]);
            if (outBuf == null) {
                continue;
            }
            if (VertexBuffer.Type.Index.ordinal() == bufType) {
                int components = compsForBuf[bufType];
                IndexBuffer inIdx = inMesh.getIndicesAsList();
                IndexBuffer outIdx = outMesh.getIndexBuffer();
                for (int tri = 0; tri < geomTriCount; tri++) {
                    for (int comp = 0; comp < components; comp++) {
                        int idx = inIdx.get(tri * components + comp) + globalVertIndex;
                        outIdx.put((globalTriIndex + tri) * components + comp, idx);
                    }
                }
            } else if (VertexBuffer.Type.Position.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getData();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                doCopyBuffer(inPos, globalVertIndex, outPos, 3);
            } else if (VertexBuffer.Type.Normal.ordinal() == bufType || VertexBuffer.Type.Tangent.ordinal() == bufType) {
                FloatBuffer inPos = (FloatBuffer) inBuf.getData();
                FloatBuffer outPos = (FloatBuffer) outBuf.getData();
                doCopyBuffer(inPos, globalVertIndex, outPos, compsForBuf[bufType]);
                if (VertexBuffer.Type.Tangent.ordinal() == bufType) {
                    useTangents = true;
                }
            } else {
                if (inBuf == null) {
                    throw new IllegalArgumentException("Geometry " + geom.getName() + " has no " + outBuf.getBufferType() + " buffer whereas other geoms have. all geometries should have the same types of buffers.\n Try to use GeometryBatchFactory.alignBuffer() on the BatchNode before batching");
                } else if (outBuf == null) {
                    throw new IllegalArgumentException("Geometry " + geom.getName() + " has a " + outBuf.getBufferType() + " buffer whereas other geoms don't. all geometries should have the same types of buffers.\n Try to use GeometryBatchFactory.alignBuffer() on the BatchNode before batching");
                } else {
                    inBuf.copyElements(0, outBuf, globalVertIndex, geomVertCount);
                }
            }
        }
        globalVertIndex += geomVertCount;
        globalTriIndex += geomTriCount;
    }
}

Example 74 with Geometry

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

the class Geometry method computeWorldMatrix.

/**
     * Indicate that the transform of this spatial has changed and that
     * a refresh is required.
     */
// NOTE: Spatial has an identical implementation of this method,
// thus it was commented out.
//    @Override
//    protected void setTransformRefresh() {
//        refreshFlags |= RF_TRANSFORM;
//        setBoundRefresh();
//    }
/**
     * Recomputes the matrix returned by {@link Geometry#getWorldMatrix() }.
     * This will require a localized transform update for this geometry.
     */
public void computeWorldMatrix() {
    // Force a local update of the geometry's transform
    checkDoTransformUpdate();
    // Compute the cached world matrix
    cachedWorldMat.loadIdentity();
    cachedWorldMat.setRotationQuaternion(worldTransform.getRotation());
    cachedWorldMat.setTranslation(worldTransform.getTranslation());
    TempVars vars = TempVars.get();
    Matrix4f scaleMat = vars.tempMat4;
    scaleMat.loadIdentity();
    scaleMat.scale(worldTransform.getScale());
    cachedWorldMat.multLocal(scaleMat);
    vars.release();
}

Example 75 with Geometry

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

the class SimpleBatchNode method getTransformMatrix.

@Override
protected Matrix4f getTransformMatrix(Geometry g) {
    // Compute the Local matrix for the geometry
    cachedLocalMat.loadIdentity();
    cachedLocalMat.setRotationQuaternion(g.localTransform.getRotation());
    cachedLocalMat.setTranslation(g.localTransform.getTranslation());
    TempVars vars = TempVars.get();
    Matrix4f scaleMat = vars.tempMat4;
    scaleMat.loadIdentity();
    scaleMat.scale(g.localTransform.getScale());
    cachedLocalMat.multLocal(scaleMat);
    vars.release();
    return cachedLocalMat;
}