Examples of javax.media.j3d.Transform3D.mul()

javax.media.j3d.Transform3D.mul()
Multiplies each element of this transform by a scalar. @param scalar the scalar multiplier

        Matrix3f modelRotationMatrix = new Matrix3f(modelRotation [0][0], modelRotation [0][1], modelRotation [0][2],
            modelRotation [1][0], modelRotation [1][1], modelRotation [1][2],
            modelRotation [2][0], modelRotation [2][1], modelRotation [2][2]);
        rotationTransform.setRotation(modelRotationMatrix);
      }
      rotationTransform.mul(translation);
      // Scale model to make it fit in a 1.8 unit wide box      
      Transform3D modelTransform = new Transform3D();
      modelTransform.setScale(1.8 / Math.max(Math.max((upper.x -lower.x), (upper.z - lower.z)), (upper.y - lower.y)));
      modelTransform.mul(rotationTransform);

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      }
      rotationTransform.mul(translation);
      // Scale model to make it fit in a 1.8 unit wide box      
      Transform3D modelTransform = new Transform3D();
      modelTransform.setScale(1.8 / Math.max(Math.max((upper.x -lower.x), (upper.z - lower.z)), (upper.y - lower.y)));
      modelTransform.mul(rotationTransform);
      
      TransformGroup modelTransformGroup = (TransformGroup)this.sceneTree.getChild(0);
      modelTransformGroup.setTransform(modelTransform);
    }
  }

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      Transform3D scaleOneTransform = new Transform3D();
      scaleOneTransform.setScale (
          new Vector3d(1 / Math.max(0.0001, upper.x -lower.x), 
              1 / Math.max(0.0001, upper.y - lower.y), 
              1 / Math.max(0.0001, upper.z - lower.z)));
      scaleOneTransform.mul(translation);
      // Apply model rotation
      Transform3D rotationTransform = new Transform3D();
      if (modelRotation != null) {
        Matrix3f modelRotationMatrix = new Matrix3f(modelRotation [0][0], modelRotation [0][1], modelRotation [0][2],
            modelRotation [1][0], modelRotation [1][1], modelRotation [1][2],

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        Matrix3f modelRotationMatrix = new Matrix3f(modelRotation [0][0], modelRotation [0][1], modelRotation [0][2],
            modelRotation [1][0], modelRotation [1][1], modelRotation [1][2],
            modelRotation [2][0], modelRotation [2][1], modelRotation [2][2]);
        rotationTransform.setRotation(modelRotationMatrix);
      }
      rotationTransform.mul(scaleOneTransform);
      // Scale model to its size
      Transform3D scaleTransform = new Transform3D();
      if (width != 0 && depth != 0 && height != 0) {
        scaleTransform.setScale(new Vector3d(width, height, depth));
      }

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      // Scale model to its size
      Transform3D scaleTransform = new Transform3D();
      if (width != 0 && depth != 0 && height != 0) {
        scaleTransform.setScale(new Vector3d(width, height, depth));
      }
      scaleTransform.mul(rotationTransform);
      // Scale model to make it fit in a 1.8 unit wide box      
      Transform3D modelTransform = new Transform3D();
      if (width != 0 && depth != 0 && height != 0) {
        modelTransform.setScale(1.8 / Math.max(Math.max(width, height), depth));
      } else {

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      if (width != 0 && depth != 0 && height != 0) {
        modelTransform.setScale(1.8 / Math.max(Math.max(width, height), depth));
      } else {
        modelTransform.setScale(1.8 / Math.max(Math.max((upper.x -lower.x), (upper.z - lower.z)), (upper.y - lower.y)));
      }
      modelTransform.mul(scaleTransform);
      
      TransformGroup modelTransformGroup = (TransformGroup)this.sceneTree.getChild(0);
      modelTransformGroup.setTransform(modelTransform);
    }
  }

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     */
    private void mulTransformGroup(Transform3D transformMultiplier) {
      TransformGroup transformGroup = (TransformGroup)this.parentGroups.peek();
      Transform3D transform = new Transform3D();
      transformGroup.getTransform(transform);
      transform.mul(transformMultiplier);
      transformGroup.setTransform(transform);
    }


    @Override
    public void endDocument() throws SAXException {

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    Transform3D scaleOneTransform = new Transform3D();
    scaleOneTransform.setScale (
        new Vector3d(width / Math.max(MINIMUM_SIZE, upper.x -lower.x), 
            width / Math.max(MINIMUM_SIZE, upper.y - lower.y), 
            width / Math.max(MINIMUM_SIZE, upper.z - lower.z)));
    scaleOneTransform.mul(translation);
    Transform3D modelTransform = new Transform3D();
    if (modelRotation != null) {
      // Apply model rotation
      Matrix3f modelRotationMatrix = new Matrix3f(modelRotation [0][0], modelRotation [0][1], modelRotation [0][2],
          modelRotation [1][0], modelRotation [1][1], modelRotation [1][2],

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      Matrix3f modelRotationMatrix = new Matrix3f(modelRotation [0][0], modelRotation [0][1], modelRotation [0][2],
          modelRotation [1][0], modelRotation [1][1], modelRotation [1][2],
          modelRotation [2][0], modelRotation [2][1], modelRotation [2][2]);
      modelTransform.setRotation(modelRotationMatrix);
    }
    modelTransform.mul(scaleOneTransform);
    
    return new TransformGroup(modelTransform);
  }
  
  /**

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    }
    scale.setScale(new Vector3d(pieceWidth, piece.getHeight(), piece.getDepth()));
    // Change its angle around y axis
    Transform3D orientation = new Transform3D();
    orientation.rotY(-piece.getAngle());
    orientation.mul(scale);
    // Translate it to its location
    Transform3D pieceTransform = new Transform3D();
    pieceTransform.setTranslation(new Vector3f(
        piece.getX(), piece.getElevation() + piece.getHeight() / 2, piece.getY()));      
    pieceTransform.mul(orientation);

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