molstar
Version:
A comprehensive macromolecular library.
137 lines • 6.85 kB
JavaScript
;
/**
* Copyright (c) 2018-2021 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.CameraAxisHelper = exports.FocusLoci = void 0;
var tslib_1 = require("tslib");
var loci_1 = require("../../../mol-model/loci");
var param_definition_1 = require("../../../mol-util/param-definition");
var behavior_1 = require("../behavior");
var input_observer_1 = require("../../../mol-util/input/input-observer");
var binding_1 = require("../../../mol-util/binding");
var commands_1 = require("../../commands");
var camera_helper_1 = require("../../../mol-canvas3d/helper/camera-helper");
var linear_algebra_1 = require("../../../mol-math/linear-algebra");
var B = input_observer_1.ButtonsType;
var M = input_observer_1.ModifiersKeys;
var Trigger = binding_1.Binding.Trigger;
var DefaultFocusLociBindings = {
clickCenterFocus: (0, binding_1.Binding)([
Trigger(1 /* Primary */, M.create()),
Trigger(2 /* Secondary */, M.create()),
Trigger(1 /* Primary */, M.create({ control: true }))
], 'Camera center and focus', 'Click element using ${triggers}'),
clickCenterFocusSelectMode: (0, binding_1.Binding)([
Trigger(2 /* Secondary */, M.create()),
Trigger(1 /* Primary */, M.create({ control: true }))
], 'Camera center and focus', 'Click element using ${triggers}'),
};
var FocusLociParams = {
minRadius: param_definition_1.ParamDefinition.Numeric(8, { min: 1, max: 50, step: 1 }),
extraRadius: param_definition_1.ParamDefinition.Numeric(4, { min: 1, max: 50, step: 1 }, { description: 'Value added to the bounding-sphere radius of the Loci' }),
durationMs: param_definition_1.ParamDefinition.Numeric(250, { min: 0, max: 1000, step: 1 }, { description: 'Camera transition duration' }),
bindings: param_definition_1.ParamDefinition.Value(DefaultFocusLociBindings, { isHidden: true }),
};
exports.FocusLoci = behavior_1.PluginBehavior.create({
name: 'camera-focus-loci',
category: 'interaction',
ctor: /** @class */ (function (_super) {
(0, tslib_1.__extends)(class_1, _super);
function class_1() {
return _super !== null && _super.apply(this, arguments) || this;
}
class_1.prototype.register = function () {
var _this = this;
this.subscribeObservable(this.ctx.behaviors.interaction.click, function (_a) {
var current = _a.current, button = _a.button, modifiers = _a.modifiers;
if (!_this.ctx.canvas3d)
return;
var binding = _this.ctx.selectionMode
? _this.params.bindings.clickCenterFocusSelectMode
: _this.params.bindings.clickCenterFocus;
if (binding_1.Binding.match(binding, button, modifiers)) {
if (loci_1.Loci.isEmpty(current.loci)) {
commands_1.PluginCommands.Camera.Reset(_this.ctx, {});
return;
}
var loci = loci_1.Loci.normalize(current.loci, _this.ctx.managers.interactivity.props.granularity);
_this.ctx.managers.camera.focusLoci(loci, _this.params);
}
});
};
return class_1;
}(behavior_1.PluginBehavior.Handler)),
params: function () { return FocusLociParams; },
display: { name: 'Camera Focus Loci on Canvas' }
});
exports.CameraAxisHelper = behavior_1.PluginBehavior.create({
name: 'camera-axis-helper',
category: 'interaction',
ctor: /** @class */ (function (_super) {
(0, tslib_1.__extends)(class_2, _super);
function class_2() {
return _super !== null && _super.apply(this, arguments) || this;
}
class_2.prototype.register = function () {
var _this = this;
var lastPlane = 0 /* None */;
var state = 0;
this.subscribeObservable(this.ctx.behaviors.interaction.click, function (_a) {
var current = _a.current;
if (!_this.ctx.canvas3d || !(0, camera_helper_1.isCameraAxesLoci)(current.loci))
return;
var axis = current.loci.elements[0].groupId;
if (axis === 0 /* None */) {
lastPlane = 0 /* None */;
state = 0;
return;
}
var camera = _this.ctx.canvas3d.camera;
var dir, up;
if (axis >= 1 /* X */ && axis <= 3 /* Z */) {
lastPlane = 0 /* None */;
state = 0;
var d = linear_algebra_1.Vec3.sub((0, linear_algebra_1.Vec3)(), camera.target, camera.position);
var c = linear_algebra_1.Vec3.cross((0, linear_algebra_1.Vec3)(), d, camera.up);
up = (0, linear_algebra_1.Vec3)();
up[axis - 1] = 1;
dir = linear_algebra_1.Vec3.cross((0, linear_algebra_1.Vec3)(), up, c);
if (linear_algebra_1.Vec3.magnitude(dir) === 0)
dir = d;
}
else {
if (lastPlane === axis) {
state = (state + 1) % 2;
}
else {
lastPlane = axis;
state = 0;
}
if (axis === 4 /* XY */) {
up = state ? linear_algebra_1.Vec3.unitX : linear_algebra_1.Vec3.unitY;
dir = linear_algebra_1.Vec3.negUnitZ;
}
else if (axis === 5 /* XZ */) {
up = state ? linear_algebra_1.Vec3.unitX : linear_algebra_1.Vec3.unitZ;
dir = linear_algebra_1.Vec3.negUnitY;
}
else {
up = state ? linear_algebra_1.Vec3.unitY : linear_algebra_1.Vec3.unitZ;
dir = linear_algebra_1.Vec3.negUnitX;
}
}
_this.ctx.canvas3d.requestCameraReset({
snapshot: function (scene, camera) { return camera.getInvariantFocus(scene.boundingSphereVisible.center, scene.boundingSphereVisible.radius, up, dir); }
});
});
};
return class_2;
}(behavior_1.PluginBehavior.Handler)),
params: function () { return ({}); },
display: { name: 'Camera Axis Helper' }
});
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