molstar
Version:
A comprehensive macromolecular library.
138 lines • 6.63 kB
JavaScript
"use strict";
/**
* Copyright (c) 2019-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.CameraManager = void 0;
var tslib_1 = require("tslib");
var loci_1 = require("../../mol-model/loci");
var boundary_helper_1 = require("../../mol-math/geometry/boundary-helper");
var structure_1 = require("../../mol-model/structure");
// TODO: make this customizable somewhere?
var DefaultCameraFocusOptions = {
minRadius: 5,
extraRadius: 4,
durationMs: 250
};
var CameraManager = /** @class */ (function () {
function CameraManager(plugin) {
this.plugin = plugin;
this.boundaryHelper = new boundary_helper_1.BoundaryHelper('98');
}
CameraManager.prototype.transformedLoci = function (loci) {
var _a, _b;
if (structure_1.StructureElement.Loci.is(loci)) {
// use decorated (including 3d transforms) parent structure
var parent_1 = (_b = (_a = this.plugin.helpers.substructureParent.get(loci.structure)) === null || _a === void 0 ? void 0 : _a.obj) === null || _b === void 0 ? void 0 : _b.data;
if (parent_1)
loci = structure_1.StructureElement.Loci.remap(loci, parent_1);
}
return loci;
};
CameraManager.prototype.focusRenderObjects = function (objects, options) {
if (!objects)
return;
var spheres = [];
for (var _i = 0, objects_1 = objects; _i < objects_1.length; _i++) {
var o = objects_1[_i];
var s = o.values.boundingSphere.ref.value;
if (s.radius === 0)
continue;
spheres.push(s);
}
this.focusSpheres(spheres, function (s) { return s; }, options);
};
CameraManager.prototype.focusLoci = function (loci, options) {
// TODO: allow computation of principal axes here?
// perhaps have an optimized function, that does exact axes small Loci and approximate/sampled from big ones?
var sphere;
if (Array.isArray(loci) && loci.length > 1) {
var spheres = [];
for (var _i = 0, loci_2 = loci; _i < loci_2.length; _i++) {
var l = loci_2[_i];
var s = loci_1.Loci.getBoundingSphere(this.transformedLoci(l));
if (s)
spheres.push(s);
}
if (spheres.length === 0)
return;
this.boundaryHelper.reset();
for (var _a = 0, spheres_1 = spheres; _a < spheres_1.length; _a++) {
var s = spheres_1[_a];
this.boundaryHelper.includeSphere(s);
}
this.boundaryHelper.finishedIncludeStep();
for (var _b = 0, spheres_2 = spheres; _b < spheres_2.length; _b++) {
var s = spheres_2[_b];
this.boundaryHelper.radiusSphere(s);
}
sphere = this.boundaryHelper.getSphere();
}
else if (Array.isArray(loci)) {
if (loci.length === 0)
return;
sphere = loci_1.Loci.getBoundingSphere(this.transformedLoci(loci[0]));
}
else {
sphere = loci_1.Loci.getBoundingSphere(this.transformedLoci(loci));
}
if (sphere) {
this.focusSphere(sphere, options);
}
};
CameraManager.prototype.focusSpheres = function (xs, sphere, options) {
var spheres = [];
for (var _i = 0, xs_1 = xs; _i < xs_1.length; _i++) {
var x = xs_1[_i];
var s = sphere(x);
if (s)
spheres.push(s);
}
if (spheres.length === 0)
return;
if (spheres.length === 1)
return this.focusSphere(spheres[0], options);
this.boundaryHelper.reset();
for (var _a = 0, spheres_3 = spheres; _a < spheres_3.length; _a++) {
var s = spheres_3[_a];
this.boundaryHelper.includeSphere(s);
}
this.boundaryHelper.finishedIncludeStep();
for (var _b = 0, spheres_4 = spheres; _b < spheres_4.length; _b++) {
var s = spheres_4[_b];
this.boundaryHelper.radiusSphere(s);
}
this.focusSphere(this.boundaryHelper.getSphere(), options);
};
CameraManager.prototype.focusSphere = function (sphere, options) {
var _a, _b, _c, _d;
var _e = (0, tslib_1.__assign)((0, tslib_1.__assign)({}, DefaultCameraFocusOptions), options), extraRadius = _e.extraRadius, minRadius = _e.minRadius, durationMs = _e.durationMs;
var radius = Math.max(sphere.radius + extraRadius, minRadius);
if (options === null || options === void 0 ? void 0 : options.principalAxes) {
var _f = options === null || options === void 0 ? void 0 : options.principalAxes.boxAxes, origin_1 = _f.origin, dirA = _f.dirA, dirC = _f.dirC;
var snapshot = (_a = this.plugin.canvas3d) === null || _a === void 0 ? void 0 : _a.camera.getFocus(origin_1, radius, dirA, dirC);
(_b = this.plugin.canvas3d) === null || _b === void 0 ? void 0 : _b.requestCameraReset({ durationMs: durationMs, snapshot: snapshot });
// this.plugin.canvas3d?.camera.focus(origin, radius, durationMs, dirA, dirC);
}
else {
var snapshot = (_c = this.plugin.canvas3d) === null || _c === void 0 ? void 0 : _c.camera.getFocus(sphere.center, radius);
(_d = this.plugin.canvas3d) === null || _d === void 0 ? void 0 : _d.requestCameraReset({ durationMs: durationMs, snapshot: snapshot });
// this.plugin.canvas3d?.camera.focus(sphere.center, radius, durationMs);
}
};
CameraManager.prototype.setSnapshot = function (snapshot, durationMs) {
var _a;
// TODO: setState and requestCameraReset are very similar now: unify them?
(_a = this.plugin.canvas3d) === null || _a === void 0 ? void 0 : _a.requestCameraReset({ snapshot: snapshot, durationMs: durationMs });
};
CameraManager.prototype.reset = function (snapshot, durationMs) {
var _a;
(_a = this.plugin.canvas3d) === null || _a === void 0 ? void 0 : _a.requestCameraReset({ snapshot: snapshot, durationMs: durationMs });
};
return CameraManager;
}());
exports.CameraManager = CameraManager;
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