All files / Sources/Widgets/Manipulators/PlaneManipulator index.js

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import macro from 'vtk.js/Sources/macros';
import vtkPlane from 'vtk.js/Sources/Common/DataModel/Plane';
 
import vtkAbstractManipulator from 'vtk.js/Sources/Widgets/Manipulators/AbstractManipulator';
 
export function intersectDisplayWithPlane(
  x,
  y,
  planeOrigin,
  planeNormal,
  renderer,
  glRenderWindow
) {
  const near = glRenderWindow.displayToWorld(x, y, 0, renderer);
  const far = glRenderWindow.displayToWorld(x, y, 1, renderer);
 
  return vtkPlane.intersectWithLine(near, far, planeOrigin, planeNormal).x;
}
 
// ----------------------------------------------------------------------------
// vtkPlaneManipulator methods
// ----------------------------------------------------------------------------
 
function vtkPlaneManipulator(publicAPI, model) {
  // Set our className
  model.classHierarchy.push('vtkPlaneManipulator');
 
  publicAPI.handleEvent = (callData, glRenderWindow) =>
    model._addWorldDeltas({
      worldCoords: intersectDisplayWithPlane(
        callData.position.x,
        callData.position.y,
        publicAPI.getOrigin(callData),
        publicAPI.getNormal(callData),
        callData.pokedRenderer,
        glRenderWindow
      ),
    });
}
 
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
 
function defaultValues(initialValues) {
  return {
    ...initialValues,
  };
}
 
// ----------------------------------------------------------------------------
 
export function extend(publicAPI, model, initialValues = {}) {
  vtkAbstractManipulator.extend(publicAPI, model, defaultValues(initialValues));
 
  vtkPlaneManipulator(publicAPI, model);
}
 
// ----------------------------------------------------------------------------
 
export const newInstance = macro.newInstance(extend, 'vtkPlaneManipulator');
 
// ----------------------------------------------------------------------------
 
export default { intersectDisplayWithPlane, extend, newInstance };