molstar
Version:
A comprehensive macromolecular library.
81 lines • 4.64 kB
JavaScript
;
/**
* Copyright (c) 2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.AnimateStateInterpolation = void 0;
var tslib_1 = require("tslib");
var commands_1 = require("../../../mol-plugin/commands");
var mol_state_1 = require("../../../mol-state");
var mol_util_1 = require("../../../mol-util");
var param_definition_1 = require("../../../mol-util/param-definition");
var model_1 = require("../model");
exports.AnimateStateInterpolation = model_1.PluginStateAnimation.create({
name: 'built-in.animate-state-interpolation',
display: { name: 'Animate State (experimental)' },
params: function () { return ({
transtionDurationInMs: param_definition_1.ParamDefinition.Numeric(2000, { min: 100, max: 30000, step: 10 })
}); },
canApply: function (plugin) {
return { canApply: plugin.managers.snapshot.state.entries.size > 1 };
},
initialState: function () { return ({}); },
apply: function (animState, t, ctx) {
return (0, tslib_1.__awaiter)(this, void 0, void 0, function () {
var snapshots, currentT, srcIndex, tarIndex, _src, _tar, src, tar, state, update, _i, src_1, s, _a, tar_1, t_1, e, f, oldState, newState;
return (0, tslib_1.__generator)(this, function (_b) {
switch (_b.label) {
case 0:
snapshots = ctx.plugin.managers.snapshot.state.entries;
if (snapshots.size < 2)
return [2 /*return*/, { kind: 'finished' }];
currentT = (t.current % ctx.params.transtionDurationInMs) / ctx.params.transtionDurationInMs;
srcIndex = Math.floor(t.current / ctx.params.transtionDurationInMs) % snapshots.size;
tarIndex = Math.ceil(t.current / ctx.params.transtionDurationInMs);
if (tarIndex === srcIndex)
tarIndex++;
tarIndex = tarIndex % snapshots.size;
_src = snapshots.get(srcIndex).snapshot, _tar = snapshots.get(tarIndex).snapshot;
if (!_src.data || !_tar.data)
return [2 /*return*/, { kind: 'skip' }];
src = _src.data.tree.transforms, tar = _tar.data.tree.transforms;
state = ctx.plugin.state.data;
update = state.build();
for (_i = 0, src_1 = src; _i < src_1.length; _i++) {
s = src_1[_i];
for (_a = 0, tar_1 = tar; _a < tar_1.length; _a++) {
t_1 = tar_1[_a];
// TODO: better than quadratic alg.
// TODO: support for adding/removing nodes
if (t_1.ref !== s.ref)
continue;
if (t_1.version === s.version)
continue;
e = mol_state_1.StateTransform.fromJSON(s), f = mol_state_1.StateTransform.fromJSON(t_1);
oldState = state.cells.get(s.ref);
if (!oldState)
continue;
newState = void 0;
if (!e.transformer.definition.interpolate) {
newState = currentT <= 0.5 ? e.params : f.params;
}
else {
newState = e.transformer.definition.interpolate(e.params, f.params, currentT, ctx.plugin);
}
if (!(0, mol_util_1.shallowEqual)(oldState, newState)) {
update.to(s.ref).update(newState);
}
}
}
return [4 /*yield*/, commands_1.PluginCommands.State.Update(ctx.plugin, { state: state, tree: update, options: { doNotLogTiming: true } })];
case 1:
_b.sent();
return [2 /*return*/, { kind: 'next', state: {} }];
}
});
});
}
});
//# sourceMappingURL=state-interpolation.js.map