Package javax.vecmath

Examples of javax.vecmath.Vector3f.scale()

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          rotAxis = (Vector3f) op[8];
        endDegrees = ((Integer) op[9]).intValue();
        if (symop < 0) {
          endDegrees = -endDegrees;
          if (translation != null)
            translation.scale(-1);
        }
        if (endDegrees == 0 && points[0] != null) {
          // glide plane
          invPlane = Measure.getPlaneThroughPoint(points[0], rotAxis);
        }
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      points[1].y += 1.0;
    }
    if (endDegrees == Float.MAX_VALUE)
      endDegrees = 0;
    if (endDegrees != 0 && translation != null && !haveRotation)
      translation.scale(endDegrees / translation.length());
    if (isSpin && translation != null
        && (endDegrees == 0 || degreesPerSecond == 0)) {
      // need a token rotation
      endDegrees = 0.01f;
      rate = (degreesPerSecond == Float.MIN_VALUE ? 0.01f
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      case 3:
        break;
      case 1: // polymer
        v2 = new Vector3f(pts[2]);
        v2.sub(pts[0]);
        v2.scale(1000f);
        // fall through
      case 2: // slab
        // "a b c" is really "z y x"
        v1 = new Vector3f(pts[1]);
        v1.sub(pts[0]);
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    float v_dot_n = vab.dot(n);
    if (Math.abs(v_dot_n) < 0.0001f)
      v_dot_n = 0;
    if (tokType == Token.axis) {
      if (v_dot_n != 0)
        n.scale(v_dot_n);
      return n;
    }
    Vector3f va_prime_d = new Vector3f();
    va_prime_d.cross(vab, n);
    if (va_prime_d.dot(va_prime_d) != 0)
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      va_prime_d.normalize();
    Vector3f vda = new Vector3f();
    Vector3f vcb = new Vector3f(n);
    if (v_dot_n == 0)
      v_dot_n = Float.MIN_VALUE; // allow for perpendicular axis to vab
    vcb.scale(v_dot_n);
    vda.sub(vcb, vab);
    vda.scale(0.5f);
    va_prime_d.scale(theta == 0 ? 0 : (float) (vda.length() / Math
        .tan(theta / 2 / 180 * Math.PI)));
    Vector3f r = new Vector3f(va_prime_d);
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  public static void moveToPlane(Point4f plane, Point3f a) {
    float dist = Measure.distanceToPlane(plane, a);
    Vector3f vAC = new Vector3f(plane.x, plane.y, plane.z);
    vAC.normalize();
    vAC.scale(-dist);
    a.add(vAC);
  }

  /**
   *
 
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      vTemp.cross(vectorProjection, vTemp);
      sumXiYi.add(vTemp);
      sum_Xi2 += vectorProjection.lengthSquared();
    }
    Vector3f m = new Vector3f(sumXiYi);
    m.scale(1 / sum_Xi2);
    vTemp.cross(m, axisUnitVector);
    axisUnitVector.add(vTemp);
    axisUnitVector.normalize();
    //check for change in direction by measuring vector difference length
    vTemp.set(axisUnitVector);
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    for (int i = 0; i < 8; i++)
      center.add(pts[i]);
    center.scale(1/8f);
    for (int i = 0; i < 8; i++) {
      v.sub(pts[i], center);
      v.scale(scale);
      pts[i].add(center, v);
    }
  }

  public static Point4f[] getFacesFromCriticalPoints(Point3f[] points) {
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      }
    }
    if (nNeg == 0 || nPos == 0)
      return null;
    pos.scale(1f/cPos);
    neg.scale(1f/cNeg);
    pos.sub(neg);
    Logger.warn("CalculateMolecularDipole: this is an approximate result -- needs checking");
    pos.scale(cPos * 4.8f); //1e-10f * 1.6e-19f/ 3.336e-30f;
   
    // SUM_Q[(SUM_pos Q_iRi) / SUM_Q   -  (SUM_neg Q_iRi) / (-SUM_Q) ]   
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    if (dx != 0) {
      Vector3f v = new Vector3f(atom);
      v.sub(atoms[atom.getBondedAtomIndex(0)]);
      float d = v.length();
      v.normalize();
      v.scale(dx - d);
      setAtomCoordRelative(atomIndex, v.x, v.y, v.z);
    }

    BitSet bsA = BitSetUtil.setBit(atomIndex);
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