Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import macro from 'vtk.js/Sources/macros';
import vtkInteractorStyleManipulator from 'vtk.js/Sources/Interaction/Style/InteractorStyleManipulator';
import vtkMouseCameraTrackballZoomManipulator from 'vtk.js/Sources/Interaction/Manipulators/MouseCameraTrackballZoomManipulator';
// ----------------------------------------------------------------------------
// vtkMouseCameraTrackballZoomToMouseManipulator methods
// ----------------------------------------------------------------------------
function vtkMouseCameraTrackballZoomToMouseManipulator(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkMouseCameraTrackballZoomToMouseManipulator');
const superOnButtonDown = publicAPI.onButtonDown;
publicAPI.onButtonDown = (interactor, renderer, position) => {
superOnButtonDown(interactor, renderer, position);
model.zoomPosition = position;
};
publicAPI.onMouseMove = (interactor, renderer, position) => {
if (!position) {
return;
}
const dy = model.previousPosition.y - position.y;
const k = dy * model.zoomScale;
vtkInteractorStyleManipulator.dollyToPosition(
1.0 - k,
model.zoomPosition,
renderer,
interactor
);
if (interactor.getLightFollowCamera()) {
renderer.updateLightsGeometryToFollowCamera();
}
model.previousPosition = position;
};
publicAPI.onScroll = (interactor, renderer, delta, position) => {
if (!delta || !position) {
return;
}
const dyf = 1 - delta * 0.1;
vtkInteractorStyleManipulator.dollyToPosition(
dyf,
position,
renderer,
interactor
);
if (interactor.getLightFollowCamera()) {
renderer.updateLightsGeometryToFollowCamera();
}
};
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
zoomPosition: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkMouseCameraTrackballZoomManipulator.extend(
publicAPI,
model,
initialValues
);
// Object specific methods
vtkMouseCameraTrackballZoomToMouseManipulator(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(
extend,
'vtkMouseCameraTrackballZoomToMouseManipulator'
);
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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