Examples of Matrix3f

com.jme.math.Matrix3f
com.jme3.math.Matrix3f
Matrix3f defines a 3x3 matrix. Matrix data is maintained internally and is accessible via the get and set methods. Convenience methods are used for matrix operations as well as generating a matrix from a given set of values. @author Mark Powell @author Joshua Slack
javax.vecmath.Matrix3f
net.rim.device.api.math.Matrix3f

Examples of javax.vecmath.Matrix3f

      v = new ArrayList();
      htNodes.put(key, v);
      addShader(key, colix);
    }
    if (a != null) {
      Matrix3f mq = new Matrix3f();
      Matrix3f m = new Matrix3f();
      m.m00 = rx;
      m.m11 = ry;
      m.m22 = rz;
      mq.set(a);
      mq.mul(m);

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Examples of javax.vecmath.Matrix3f


  public void set(AxisAngle4f a) {
    AxisAngle4f aa = new AxisAngle4f(a);
    if (aa.angle == 0)
      aa.y = 1;
    Matrix3f m3 = new Matrix3f();
    m3.set(aa);
    set(m3);
  }

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Examples of javax.vecmath.Matrix3f

    Vector3f vBprime = new Vector3f();
    vBprime.cross(vC, vA);
    vA.normalize();
    vBprime.normalize();
    vC.normalize();
    Matrix3f mat = new Matrix3f();
    mat.setColumn(0, vA);
    mat.setColumn(1, vBprime);
    mat.setColumn(2, vC);


    /*
     * 
     * Verification tests using Quat4f and AngleAxis4f:
     *

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Examples of javax.vecmath.Matrix3f

      setMatrix();
    return mat;
  }


  private void setMatrix() {
    mat = new Matrix3f();
    // q0 = w, q1 = x, q2 = y, q3 = z
    mat.m00 = q0 * q0 + q1 * q1 - q2 * q2 - q3 * q3;
    mat.m01 = 2 * q1 * q2 - 2 * q0 * q3;
    mat.m02 = 2 * q1 * q3 + 2 * q0 * q2;
    mat.m10 = 2 * q1 * q2 + 2 * q0 * q3;

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Examples of javax.vecmath.Matrix3f


  public void setTransform(float x1, float y1, float z1, float x2, float y2,
                           float z2, float x3, float y3, float z3) {
    if (matrixRotate != null || !doSetOrientation)
      return;
    matrixRotate = new Matrix3f();
    Vector3f v = new Vector3f();
    // rows in Sygress/CAChe and Spartan become columns here
    v.set(x1, y1, z1);
    v.normalize();
    matrixRotate.setColumn(0, v);
    v.set(x2, y2, z2);
    v.normalize();
    matrixRotate.setColumn(1, v);
    v.set(x3, y3, z3);
    v.normalize();
    matrixRotate.setColumn(2, v);
    atomSetCollection.setAtomSetCollectionAuxiliaryInfo(
        "defaultOrientationMatrix", new Matrix3f(matrixRotate));
    // first two matrix column vectors define quaternion X and XY plane
    Quaternion q = new Quaternion(matrixRotate);
    atomSetCollection.setAtomSetCollectionAuxiliaryInfo(
        "defaultOrientationQuaternion", q);
    Logger.info("defaultOrientationMatrix = " + matrixRotate);

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Examples of javax.vecmath.Matrix3f

        return null;
      vC = new Vector3f();
      getNHPoint(ptTemp, vC, true, false);
      vB.sub(ptCa, getNitrogenAtom());
      vB.cross(vC, vB);
      Matrix3f mat = new Matrix3f();
      mat.set(new AxisAngle4f(vB, -beta));
      mat.transform(vC);
      vA.cross(vB, vC);
      break;
    case 'b': // backbone
      return super.getQuaternion('b');
    case 'c':

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Examples of javax.vecmath.Matrix3f

        x.scaleAdd(2.828f, x, z); // 2*sqrt(2)
        if (pt != 3) {
          x.normalize();
          AxisAngle4f a = new AxisAngle4f(z.x, z.y, z.z,
              (pt == 2 ? 1 : -1) * 2.09439507f); // PI*2/3
          Matrix3f m = new Matrix3f();
          m.setIdentity();
          m.set(a);
          m.transform(x);
        }
        z.set(x);
        x.cross(vTemp, z);
        break;
      }

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Examples of javax.vecmath.Matrix3f

      vTemp.set(vertices[1]);
      vTemp.sub(vertices[0]);
      // crossing point
      pt1f.scaleAdd(fractionalOffset, vTemp, vertices[0]);
      // define rotational axis
      Matrix3f mat = new Matrix3f();
      mat.set(new AxisAngle4f(vTemp, (float) (nDegreesOffset * Math.PI / 180)));
      // vector to rotate
      if (vertexCount > 2)
        vTemp2.set(vertices[2]);
      else 
        vTemp2.set(Draw.randomPoint());
      vTemp2.sub(vertices[0]);
      vTemp2.cross(vTemp, vTemp2);
      vTemp2.cross(vTemp2, vTemp);
      vTemp2.normalize();
      vTemp2.scale(dmesh.scale / 2);
      mat.transform(vTemp2);
      //control points
      float degrees = theta / 5;
      while (Math.abs(degrees) > 5)
        degrees /= 2;
      nPoints = (int) (theta / degrees + 0.5f) + 1;
      while (nPoints < 10) {
        degrees /= 2;
        nPoints = (int) (theta / degrees + 0.5f) + 1;
      }
      mat.set(new AxisAngle4f(vTemp, (float) (degrees * Math.PI / 180)));
      screens = viewer.allocTempScreens(nPoints);
      int iBase = nPoints - (dmesh.scale < 2 ? 3 : 3);
      for (int i = 0; i < nPoints; i++) {
        if (i == iBase)
          vpt0.set(vpt1);
        vpt1.scaleAdd(1, vTemp2, pt1f);
        if (i == 0)
          vpt2.set(vpt1);
        viewer.transformPoint(vpt1, screens[i]);
        mat.transform(vTemp2);
      }
      if (dmesh.isVector && !dmesh.nohead) {
        renderArrowHead(vpt0, vpt1, 0.3f, false, false);
        viewer.transformPoint(pt1f, screens[nPoints - 1]);
      }

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Examples of javax.vecmath.Matrix3f

    // as mesh, which uses Cartesian coordinates
    
    viewer.unTransformPoint(screenBase, tempP1);
    viewer.unTransformPoint(screenTip, tempP2);
    radius = viewer.unscaleToScreen(screenBase.z, radius);
    Matrix3f matRotateScale = getRotationMatrix(tempP1, tempP2, radius);
    jmolRenderer.drawSurface(getConeMesh(tempP1, matRotateScale, colix), null, null);
  }

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Examples of javax.vecmath.Matrix3f

    }
    return ms;
  }


  protected Matrix3f getRotationMatrix(Point3f pt1, Point3f pt2, float radius) {    
    Matrix3f m = new Matrix3f();
    Matrix3f m1;
    if (pt2.x == pt1.x && pt2.y == pt1.y) {
      m1 = new Matrix3f();
      m1.setIdentity();
      if (pt1.z > pt2.z) // 180-degree rotation about X
        m1.m11 = m1.m22 = -1;
/*      if (pt1.z > pt2.z)
        m1.mul(-1);
*/    } else {
      tempV1.set(pt2);
      tempV1.sub(pt1);
      tempV2.set(0, 0, 1);
      tempV2.cross(tempV2, tempV1);
      tempV1.cross(tempV1, tempV2);
      Quaternion q = Quaternion.getQuaternionFrame(tempV2, tempV1, null, false);
      m1 = q.getMatrix();
    }
    m.m00 = radius;
    m.m11 = radius;
    m.m22 = pt2.distance(pt1);
    m1.mul(m);
    return m1;
  }

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