Examples with FloatBuffer java.nio.FloatBuffer used on opensource projects

Example 56 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class TestTangentGen method createTriangleStripMesh.

private Mesh createTriangleStripMesh() {
    Mesh strip = new Mesh();
    strip.setMode(Mode.TriangleStrip);
    // 3 rows * 3 columns * 3 floats
    FloatBuffer vb = BufferUtils.createFloatBuffer(3 * 3 * 3);
    vb.rewind();
    vb.put(new float[] { 0, 2, 0 });
    vb.put(new float[] { 1, 2, 0 });
    vb.put(new float[] { 2, 2, 0 });
    vb.put(new float[] { 0, 1, 0 });
    vb.put(new float[] { 1, 1, 0 });
    vb.put(new float[] { 2, 1, 0 });
    vb.put(new float[] { 0, 0, 0 });
    vb.put(new float[] { 1, 0, 0 });
    vb.put(new float[] { 2, 0, 0 });
    FloatBuffer nb = BufferUtils.createFloatBuffer(3 * 3 * 3);
    nb.rewind();
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    nb.put(new float[] { 0, 0, 1 });
    FloatBuffer tb = BufferUtils.createFloatBuffer(3 * 3 * 2);
    tb.rewind();
    tb.put(new float[] { 0, 0 });
    tb.put(new float[] { 0.5f, 0 });
    tb.put(new float[] { 1, 0 });
    tb.put(new float[] { 0, 0.5f });
    tb.put(new float[] { 0.5f, 0.5f });
    tb.put(new float[] { 1, 0.5f });
    tb.put(new float[] { 0, 1 });
    tb.put(new float[] { 0.5f, 1 });
    tb.put(new float[] { 1, 1 });
    int[] indexes = new int[] { 0, 3, 1, 4, 2, 5, 5, 3, 3, 6, 4, 7, 5, 8 };
    IntBuffer ib = BufferUtils.createIntBuffer(indexes.length);
    ib.put(indexes);
    strip.setBuffer(Type.Position, 3, vb);
    strip.setBuffer(Type.Normal, 3, nb);
    strip.setBuffer(Type.TexCoord, 2, tb);
    strip.setBuffer(Type.Index, 3, ib);
    strip.updateBound();
    return strip;
}

Example 57 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class FilteredBasis method clip.

public FloatBuffer clip(FloatBuffer buf, int origSize, int newSize, int offset) {
    FloatBuffer result = FloatBuffer.allocate(newSize * newSize);
    float[] orig = buf.array();
    for (int i = offset; i < offset + newSize; i++) {
        result.put(orig, i * origSize + offset, newSize);
    }
    return result;
}

Example 58 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class AbstractFilter method doFilter.

@Override
public FloatBuffer doFilter(float sx, float sy, float base, FloatBuffer data, int size) {
    if (!this.isEnabled()) {
        return data;
    }
    FloatBuffer retval = data;
    for (Filter f : this.preFilters) {
        retval = f.doFilter(sx, sy, base, retval, size);
    }
    retval = this.filter(sx, sy, base, retval, size);
    for (Filter f : this.postFilters) {
        retval = f.doFilter(sx, sy, base, retval, size);
    }
    return retval;
}

Example 59 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class OSVR method getHMDMatrixProjectionLeftEye.

@Override
public Matrix4f getHMDMatrixProjectionLeftEye(Camera cam) {
    if (eyeLeftInfo == null)
        return cam.getProjectionMatrix();
    if (eyeMatrix[EYE_LEFT] == null) {
        FloatBuffer tfb = FloatBuffer.allocate(16);
        com.jme3.system.osvr.osvrdisplay.OsvrDisplayLibrary.osvrClientGetViewerEyeSurfaceProjectionMatrixf(displayConfig, 0, (byte) EYE_LEFT, 0, cam.getFrustumNear(), cam.getFrustumFar(), (short) 0, tfb);
        eyeMatrix[EYE_LEFT] = new Matrix4f();
        eyeMatrix[EYE_LEFT].set(tfb.get(0), tfb.get(4), tfb.get(8), tfb.get(12), tfb.get(1), tfb.get(5), tfb.get(9), tfb.get(13), tfb.get(2), tfb.get(6), tfb.get(10), tfb.get(14), tfb.get(3), tfb.get(7), tfb.get(11), tfb.get(15));
    }
    return eyeMatrix[EYE_LEFT];
}

Example 60 with FloatBuffer

use of java.nio.FloatBuffer in project jmonkeyengine by jMonkeyEngine.

the class TerrainPatch method setHeight.

protected void setHeight(List<LocationHeight> locationHeights, boolean overrideHeight) {
    final float[] heightArray = geomap.getHeightArray();
    final VertexBuffer vertexBuffer = mesh.getBuffer(Type.Position);
    final FloatBuffer floatBuffer = mesh.getFloatBuffer(Type.Position);
    for (LocationHeight lh : locationHeights) {
        if (lh.x < 0 || lh.z < 0 || lh.x >= size || lh.z >= size) {
            continue;
        }
        int idx = lh.z * size + lh.x;
        if (overrideHeight) {
            heightArray[idx] = lh.h;
        } else {
            float currentHeight = floatBuffer.get(idx * 3 + 1);
            heightArray[idx] = currentHeight + lh.h;
        }
    }
    floatBuffer.clear();
    geomap.writeVertexArray(floatBuffer, stepScale, false);
    vertexBuffer.setUpdateNeeded();
}