Package javax.vecmath

Examples of javax.vecmath.Vector3f.cross()

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            int jc = idx[i+2] * 3;
            c.set(coord[jc],coord[jc+1],coord[jc+2]);

            v1.sub(b, a);
            v2.sub(c, a);
            faceNormal.cross(v1, v2);
            if (faceNormal.length()==0) continue;
            faceNormal.normalize();

            // suppose the faces are nearly flat, with small deflection
            // check the scalar product is >0, so each face is the same orientation
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    Vector3f rightOffset = new Vector3f();
    Vector3f vertical = new Vector3f(cameraUp);

    Vector3f hor = new Vector3f();
    // TODO: check: hor = rayForward.cross(vertical);
    hor.cross(rayForward, vertical);
    hor.normalize();
    // TODO: check: vertical = hor.cross(rayForward);
    vertical.cross(hor, rayForward);
    vertical.normalize();
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    matrixRotate.transform(pt1, pt1s);
    Vector3f vPath = new Vector3f(pt0s);
    vPath.sub(pt1s);
    Vector3f v = new Vector3f(0, 0, 1);
    float angle = vPath.angle(v);
    v.cross(vPath, v);
    if (angle != 0)
      navigate(0, v, (float) (angle * degreesPerRadian));
    matrixRotate.transform(pt0, pt0s);
    Point3f pt2 = new Point3f(ptVectorWing);
    pt2.add(pt0);
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      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)
      va_prime_d.normalize();
    Vector3f vda = new Vector3f();
    Vector3f vcb = new Vector3f(n);
    if (v_dot_n == 0)
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      } else {
        Vector3f vectorBA = new Vector3f();
        Vector3f vectorBC = new Vector3f();       
        float radians = Measure.computeAngle(getAtom(1), getAtom(2), getAtom(3), vectorBA, vectorBC, false);
        Vector3f vectorAxis = new Vector3f();
        vectorAxis.cross(vectorBA, vectorBC);
        aa = new AxisAngle4f(vectorAxis.x, vectorAxis.y, vectorAxis.z, radians);

        vectorBA.normalize();
        vectorBA.scale(0.5f);
        pointArc = new Point3f(vectorBA);
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      vC.cross(vA, vB);
      if (yBased)
        vA.cross(vB, vC);
    }
    Vector3f vBprime = new Vector3f();
    vBprime.cross(vC, vA);
    vA.normalize();
    vBprime.normalize();
    vC.normalize();
    Matrix3f mat = new Matrix3f();
    mat.setColumn(0, vA);
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    if (nAttached > 0)
      x.set(v[0]);
    boolean isPlanar = false;
    if (nAttached >= 3) {
      if (x.angle(v[1]) < almost180)
        vTemp.cross(x, v[1]);
      else
        vTemp.cross(x, v[2]);
      vTemp.normalize();
      Vector3f vTemp2 = new Vector3f();
      if (v[1].angle(v[2]) < almost180)
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    boolean isPlanar = false;
    if (nAttached >= 3) {
      if (x.angle(v[1]) < almost180)
        vTemp.cross(x, v[1]);
      else
        vTemp.cross(x, v[2]);
      vTemp.normalize();
      Vector3f vTemp2 = new Vector3f();
      if (v[1].angle(v[2]) < almost180)
        vTemp2.cross(v[1], v[2]);
      else
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      else
        vTemp.cross(x, v[2]);
      vTemp.normalize();
      Vector3f vTemp2 = new Vector3f();
      if (v[1].angle(v[2]) < almost180)
        vTemp2.cross(v[1], v[2]);
      else
        vTemp2.cross(x, v[2]);
      vTemp2.normalize();
      isPlanar = (Math.abs(vTemp2.dot(vTemp)) >= 0.95f);
    }
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      vTemp.normalize();
      Vector3f vTemp2 = new Vector3f();
      if (v[1].angle(v[2]) < almost180)
        vTemp2.cross(v[1], v[2]);
      else
        vTemp2.cross(x, v[2]);
      vTemp2.normalize();
      isPlanar = (Math.abs(vTemp2.dot(vTemp)) >= 0.95f);
    }

    boolean isSp3 = (lcaoType.indexOf("sp3") == 0);
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