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

Example 56 with VertexBuffer

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

the class SkeletonWire method updateGeometry.

/**
     * The method updates the geometry according to the poitions of the bones.
     */
public void updateGeometry() {
    VertexBuffer vb = this.getBuffer(Type.Position);
    FloatBuffer posBuf = this.getFloatBuffer(Type.Position);
    posBuf.clear();
    for (int i = 0; i < skeleton.getBoneCount(); ++i) {
        Bone bone = skeleton.getBone(i);
        Vector3f head = bone.getModelSpacePosition();
        posBuf.put(head.getX()).put(head.getY()).put(head.getZ());
        if (boneLengths != null) {
            Vector3f tail = head.add(bone.getModelSpaceRotation().mult(Vector3f.UNIT_Y.mult(boneLengths.get(i))));
            posBuf.put(tail.getX()).put(tail.getY()).put(tail.getZ());
        }
    }
    posBuf.flip();
    vb.updateData(posBuf);
    this.updateBound();
}

Example 57 with VertexBuffer

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

the class WireBox method updatePositions.

public void updatePositions(float xExt, float yExt, float zExt) {
    VertexBuffer pvb = getBuffer(Type.Position);
    FloatBuffer pb;
    if (pvb == null) {
        pvb = new VertexBuffer(Type.Position);
        pb = BufferUtils.createVector3Buffer(8);
        pvb.setupData(Usage.Dynamic, 3, Format.Float, pb);
        setBuffer(pvb);
    } else {
        pb = (FloatBuffer) pvb.getData();
        pvb.updateData(pb);
    }
    pb.rewind();
    pb.put(new float[] { -xExt, -yExt, zExt, xExt, -yExt, zExt, xExt, yExt, zExt, -xExt, yExt, zExt, -xExt, -yExt, -zExt, xExt, -yExt, -zExt, xExt, yExt, -zExt, -xExt, yExt, -zExt });
    updateBound();
}

Example 58 with VertexBuffer

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

the class Line method updatePoints.

/**
     * Update the start and end points of the line.
     */
public void updatePoints(Vector3f start, Vector3f end) {
    VertexBuffer posBuf = getBuffer(Type.Position);
    FloatBuffer fb = (FloatBuffer) posBuf.getData();
    fb.rewind();
    fb.put(start.x).put(start.y).put(start.z);
    fb.put(end.x).put(end.y).put(end.z);
    posBuf.updateData(fb);
    updateBound();
}

Example 59 with VertexBuffer

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

the class LodGenerator method gatherIndexData.

private void gatherIndexData(Mesh mesh, List<Vertex> vertexLookup) {
    VertexBuffer indexBuffer = mesh.getBuffer(VertexBuffer.Type.Index);
    indexCount = indexBuffer.getNumElements() * 3;
    Buffer b = indexBuffer.getDataReadOnly();
    b.rewind();
    while (b.remaining() != 0) {
        Triangle tri = new Triangle();
        tri.isRemoved = false;
        triangleList.add(tri);
        for (int i = 0; i < 3; i++) {
            if (b instanceof IntBuffer) {
                tri.vertexId[i] = ((IntBuffer) b).get();
            } else {
                //bit shift to avoid negative values due to conversion form short to int.
                //we need an unsigned int here.
                tri.vertexId[i] = ((ShortBuffer) b).get() & 0xffff;
            }
            // assert (tri.vertexId[i] < vertexLookup.size());
            tri.vertex[i] = vertexLookup.get(tri.vertexId[i]);
            //debug only;
            tri.vertex[i].index = tri.vertexId[i];
        }
        if (tri.isMalformed()) {
            if (!tri.isRemoved) {
                logger.log(Level.FINE, "malformed triangle found with ID:{0}\n{1} It will be excluded from Lod level calculations.", new Object[] { triangleList.indexOf(tri), tri.toString() });
                tri.isRemoved = true;
                indexCount -= 3;
            }
        } else {
            tri.computeNormal();
            addTriangleToEdges(tri);
        }
    }
    b.rewind();
}

Example 60 with VertexBuffer

use of com.jme3.scene.VertexBuffer in project chordatlas by twak.

the class TexGen method setTexture.

protected void setTexture(Geometry g, Material mat, int[] texSize, BufferedImage srcPano, File writeTo) {
    if (!autoProject)
        return;
    if (cancel != null)
        cancel.cancel();
    cancel = new Cancellable();
    new Thread() {

        public void run() {
            VertexBuffer vb = g.getMesh().getBuffer(VertexBuffer.Type.TexCoord);
            VertexBuffer ib = g.getMesh().getBuffer(VertexBuffer.Type.Index);
            VertexBuffer pb = g.getMesh().getBuffer(VertexBuffer.Type.Position);
            float[][] pts = new float[3][3], uvs = new float[3][2];
            BufferedImage target = new BufferedImage(texSize[0], texSize[1], BufferedImage.TYPE_3BYTE_BGR);
            // if (false) {
            for (int i = 0; i < ib.getNumElements(); i++) {
                assert ib.getNumComponents() == 3;
                for (int c = 0; c < ib.getNumComponents(); c++) {
                    int ind = ((Number) ib.getElementComponent(i, c)).intValue();
                    for (int x = 0; x < 3; x++) pts[c][x] = ((Number) pb.getElementComponent(ind, x)).floatValue();
                    for (int u = 0; u < 2; u++) uvs[c][u] = ((Number) vb.getElementComponent(ind, u)).floatValue() * texSize[u];
                }
                cast(pts, uvs, srcPano, target, cancel, texSize);
                if (cancel.cancelled)
                    return;
            }
            try {
                System.out.println("writing " + writeTo);
                ImageIO.write(target, "png", writeTo);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (mat != null)
                tweed.enqueue(new Callable<Spatial>() {

                    public Spatial call() throws Exception {
                        System.out.println("calculations complete");
                        TextureKey key = new TextureKey("Desktop/foo.png", false);
                        tweed.getAssetManager().deleteFromCache(key);
                        Texture texture = tweed.getAssetManager().loadTexture(key);
                        mat.setTexture("DiffuseMap", texture);
                        return null;
                    }
                });
        }
    }.start();
}