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

Example 41 with VertexBuffer

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

the class TangentBinormalGenerator method processTriangleStrip.

private static List<VertexData> processTriangleStrip(Mesh mesh, int[] index, Vector3f[] v, Vector2f[] t) {
    IndexBuffer indexBuffer = mesh.getIndexBuffer();
    FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
    FloatBuffer textureBuffer = (FloatBuffer) mesh.getBuffer(Type.TexCoord).getData();
    List<VertexData> vertices = initVertexData(vertexBuffer.limit() / 3);
    index[0] = indexBuffer.get(0);
    index[1] = indexBuffer.get(1);
    populateFromBuffer(v[0], vertexBuffer, index[0]);
    populateFromBuffer(v[1], vertexBuffer, index[1]);
    populateFromBuffer(t[0], textureBuffer, index[0]);
    populateFromBuffer(t[1], textureBuffer, index[1]);
    for (int i = 2; i < indexBuffer.size(); i++) {
        index[2] = indexBuffer.get(i);
        BufferUtils.populateFromBuffer(v[2], vertexBuffer, index[2]);
        BufferUtils.populateFromBuffer(t[2], textureBuffer, index[2]);
        boolean isDegenerate = isDegenerateTriangle(v[0], v[1], v[2]);
        TriangleData triData = processTriangle(index, v, t);
        if (!isDegenerate) {
            vertices.get(index[0]).triangles.add(triData);
            vertices.get(index[1]).triangles.add(triData);
            vertices.get(index[2]).triangles.add(triData);
        }
        Vector3f vTemp = v[0];
        v[0] = v[1];
        v[1] = v[2];
        v[2] = vTemp;
        Vector2f tTemp = t[0];
        t[0] = t[1];
        t[1] = t[2];
        t[2] = tTemp;
        index[0] = index[1];
        index[1] = index[2];
    }
    return vertices;
}

Example 42 with VertexBuffer

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

the class TangentBinormalGenerator method genNormalLines.

public static Mesh genNormalLines(Mesh mesh, float scale) {
    FloatBuffer vertexBuffer = (FloatBuffer) mesh.getBuffer(Type.Position).getData();
    FloatBuffer normalBuffer = (FloatBuffer) mesh.getBuffer(Type.Normal).getData();
    ColorRGBA originColor = ColorRGBA.White;
    ColorRGBA normalColor = ColorRGBA.Blue;
    Mesh lineMesh = new Mesh();
    lineMesh.setMode(Mesh.Mode.Lines);
    Vector3f origin = new Vector3f();
    Vector3f point = new Vector3f();
    FloatBuffer lineVertex = BufferUtils.createFloatBuffer(vertexBuffer.limit() * 2);
    FloatBuffer lineColor = BufferUtils.createFloatBuffer(vertexBuffer.limit() / 3 * 4 * 2);
    for (int i = 0; i < vertexBuffer.limit() / 3; i++) {
        populateFromBuffer(origin, vertexBuffer, i);
        populateFromBuffer(point, normalBuffer, i);
        int index = i * 2;
        setInBuffer(origin, lineVertex, index);
        setInBuffer(originColor, lineColor, index);
        point.multLocal(scale);
        point.addLocal(origin);
        setInBuffer(point, lineVertex, index + 1);
        setInBuffer(normalColor, lineColor, index + 1);
    }
    lineMesh.setBuffer(Type.Position, 3, lineVertex);
    lineMesh.setBuffer(Type.Color, 4, lineColor);
    lineMesh.setStatic();
    //lineMesh.setInterleaved();
    return lineMesh;
}

Example 43 with VertexBuffer

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

the class MikkTSpaceImpl method getTexCoord.

@Override
public void getTexCoord(float[] texOut, int face, int vert) {
    int vertIndex = getIndex(face, vert);
    VertexBuffer texCoord = mesh.getBuffer(VertexBuffer.Type.TexCoord);
    FloatBuffer tex = (FloatBuffer) texCoord.getData();
    tex.position(vertIndex * 2);
    texOut[0] = tex.get();
    texOut[1] = tex.get();
}

Example 44 with VertexBuffer

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

the class TestVertexBufferSharing method initOpenCL2.

private void initOpenCL2() {
    //bind vertex buffer to OpenCL
    VertexBuffer vb = geom.getMesh().getBuffer(VertexBuffer.Type.Position);
    buffer = clContext.bindVertexBuffer(vb, MemoryAccess.READ_WRITE).register();
    ws = new com.jme3.opencl.Kernel.WorkSize(geom.getMesh().getVertexCount());
}

Example 45 with VertexBuffer

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

the class TestLodGeneration method makeLod.

private void makeLod(final LodGenerator.TriangleReductionMethod method, final float value, final int ll) {
    exec.execute(new Runnable() {

        public void run() {
            for (final Geometry geometry : listGeoms) {
                LodGenerator lODGenerator = new LodGenerator(geometry);
                final VertexBuffer[] lods = lODGenerator.computeLods(method, value);
                enqueue(new Callable<Void>() {

                    public Void call() throws Exception {
                        geometry.getMesh().setLodLevels(lods);
                        lodLevel = 0;
                        if (geometry.getMesh().getNumLodLevels() > ll) {
                            lodLevel = ll;
                        }
                        geometry.setLodLevel(lodLevel);
                        hudText.setText(computeNbTri() + " tris");
                        return null;
                    }
                });
            }
        }
    });
}