Package javax.vecmath

Examples of javax.vecmath.Vector3f.scale()

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    for (int i = 0; i < myAtomCount; i++)
      setBoundingBox(atomXyz[i], atomRadius[i]);
    if (!Float.isNaN(params.scale)) {
      Vector3f v = new Vector3f(xyzMax);
      v.sub(xyzMin);
      v.scale(0.5f);
      xyzMin.add(v);
      v.scale(params.scale);
      xyzMax.set(xyzMin);
      xyzMax.add(v);
      xyzMin.sub(v);
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    if (!Float.isNaN(params.scale)) {
      Vector3f v = new Vector3f(xyzMax);
      v.sub(xyzMin);
      v.scale(0.5f);
      xyzMin.add(v);
      v.scale(params.scale);
      xyzMax.set(xyzMin);
      xyzMax.add(v);
      xyzMin.sub(v);
    }
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    if (mat == null)
      setMatrix();
    Vector3f v = new Vector3f();
    mat.getColumn(i, v);
    if (scale != 1f)
      v.scale(scale);
    return v;
  }

  /**
   *
 
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   *
   */
  public Vector3f getNormalDirected(Vector3f v0) {
    Vector3f v = getNormal();
    if (v.x * v0.x + v.y * v0.y + v.z * v0.z < 0) {
      v.scale(-1);
    }
    return v;
  }

  public Vector3f get3dProjection(Vector3f v3d) {
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  public Point4f getThetaDirected(Point4f axisAngle) {
    //fills in .w;
    float theta = getTheta();
    Vector3f v = getNormal();
    if (axisAngle.x * q1 + axisAngle.y * q2 + axisAngle.z * q3 < 0) {
      v.scale(-1);
      theta = -theta;
    }
    axisAngle.set(v.x, v.y, v.z, theta);
    return axisAngle;
  }
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  public float getThetaDirected(Vector3f vector) {
    //fills in .w;
    float theta = getTheta();
    Vector3f v = getNormal();
    if (vector.x * q1 + vector.y * q2 + vector.z * q3 < 0) {
      v.scale(-1);
      theta = -theta;
    }
    return theta;
  }

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    Vector3f normal = null;
    float val = 0;
    if (scale3d != 0 && vertexValues != null && thePlane != null) {
        normal = new Vector3f(thePlane.x, thePlane.y, thePlane.z);
        normal.normalize();
        normal.scale(scale3d);
    }
    for (int i = 0; i < vertexCount; i++) {
      if (vertexValues != null && Float.isNaN(val = vertexValues[i]))
        continue;
      Point3f pt = offsetVertices[i];
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    fixQ(qTemp);
    double theta = 2 * Math.acos(qTemp.q0);
    double sinTheta2 = Math.sin(theta/2);
    Vector3f v = getNormal();
    if (sinTheta2 < 0) {
      v.scale(-1);
      theta = Math.PI - theta;
    }
    return new AxisAngle4f(v, (float) theta);
  }

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    //System.out.println("newMean mean " + mean);
    for (int i = data.length; --i >= 0;) {
      q = data[i];
      dq = q.div(mean);
      v = dq.getNormal();
      v.scale(dq.getTheta());
      sum.add(v);
    }
    sum.scale(1f/data.length);
    Quaternion dqMean = new Quaternion(sum, sum.length());
    //System.out.println("newMean dqMean " + dqMean + " " + dqMean.getNormal() + " " + dqMean.getTheta());
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    calcAxis();
    segments = new Point3f[monomerCount + 1];
    segments[monomerCount] = axisB;
    segments[0] = axisA;
    Vector3f axis = new Vector3f(axisUnitVector);
    axis.scale(axisB.distance(axisA) / monomerCount);
    for (int i = 1; i < monomerCount; i++) {
      Point3f point = segments[i] = new Point3f();
      point.set(segments[i - 1]);
      point.add(axis);
      //now it's just a constant-distance segmentation.
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