molstar
Version:
A comprehensive macromolecular library.
203 lines (202 loc) • 9.93 kB
JavaScript
"use strict";
/**
* Copyright (c) 2018-2024 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Points = void 0;
const mol_util_1 = require("../../../mol-util");
const linear_algebra_1 = require("../../../mol-math/linear-algebra");
const util_1 = require("../../util");
const color_data_1 = require("../color-data");
const marker_data_1 = require("../marker-data");
const size_data_1 = require("../size-data");
const location_iterator_1 = require("../../util/location-iterator");
const param_definition_1 = require("../../../mol-util/param-definition");
const util_2 = require("../../../mol-gl/renderable/util");
const geometry_1 = require("../../../mol-math/geometry");
const base_1 = require("../base");
const overpaint_data_1 = require("../overpaint-data");
const transparency_data_1 = require("../transparency-data");
const util_3 = require("../../../mol-data/util");
const clipping_data_1 = require("../clipping-data");
const substance_data_1 = require("../substance-data");
const emissive_data_1 = require("../emissive-data");
var Points;
(function (Points) {
function create(centers, groups, pointCount, points) {
return points ?
update(centers, groups, pointCount, points) :
fromArrays(centers, groups, pointCount);
}
Points.create = create;
function createEmpty(points) {
const cb = points ? points.centerBuffer.ref.value : new Float32Array(0);
const gb = points ? points.groupBuffer.ref.value : new Float32Array(0);
return create(cb, gb, 0, points);
}
Points.createEmpty = createEmpty;
function hashCode(points) {
return (0, util_3.hashFnv32a)([
points.pointCount, points.centerBuffer.ref.version, points.groupBuffer.ref.version,
]);
}
function fromArrays(centers, groups, pointCount) {
const boundingSphere = (0, geometry_1.Sphere3D)();
let groupMapping;
let currentHash = -1;
let currentGroup = -1;
const points = {
kind: 'points',
pointCount,
centerBuffer: mol_util_1.ValueCell.create(centers),
groupBuffer: mol_util_1.ValueCell.create(groups),
get boundingSphere() {
const newHash = hashCode(points);
if (newHash !== currentHash) {
const b = (0, util_2.calculateInvariantBoundingSphere)(points.centerBuffer.ref.value, points.pointCount, 1);
geometry_1.Sphere3D.copy(boundingSphere, b);
currentHash = newHash;
}
return boundingSphere;
},
get groupMapping() {
if (points.groupBuffer.ref.version !== currentGroup) {
groupMapping = (0, util_1.createGroupMapping)(points.groupBuffer.ref.value, points.pointCount);
currentGroup = points.groupBuffer.ref.version;
}
return groupMapping;
},
setBoundingSphere(sphere) {
geometry_1.Sphere3D.copy(boundingSphere, sphere);
currentHash = hashCode(points);
}
};
return points;
}
function update(centers, groups, pointCount, points) {
points.pointCount = pointCount;
mol_util_1.ValueCell.update(points.centerBuffer, centers);
mol_util_1.ValueCell.update(points.groupBuffer, groups);
return points;
}
function transform(points, t) {
const c = points.centerBuffer.ref.value;
(0, util_1.transformPositionArray)(t, c, 0, points.pointCount);
mol_util_1.ValueCell.update(points.centerBuffer, c);
}
Points.transform = transform;
//
Points.StyleTypes = {
'square': 'Square',
'circle': 'Circle',
'fuzzy': 'Fuzzy',
};
Points.StyleTypeNames = Object.keys(Points.StyleTypes);
Points.Params = {
...base_1.BaseGeometry.Params,
sizeFactor: param_definition_1.ParamDefinition.Numeric(3, { min: 0, max: 10, step: 0.1 }),
pointSizeAttenuation: param_definition_1.ParamDefinition.Boolean(false),
pointStyle: param_definition_1.ParamDefinition.Select('square', param_definition_1.ParamDefinition.objectToOptions(Points.StyleTypes)),
};
Points.Utils = {
Params: Points.Params,
createEmpty,
createValues,
createValuesSimple,
updateValues,
updateBoundingSphere,
createRenderableState,
updateRenderableState,
createPositionIterator
};
function createPositionIterator(points, transform) {
const groupCount = points.pointCount;
const instanceCount = transform.instanceCount.ref.value;
const location = (0, location_iterator_1.PositionLocation)();
const p = location.position;
const v = points.centerBuffer.ref.value;
const m = transform.aTransform.ref.value;
const getLocation = (groupIndex, instanceIndex) => {
if (instanceIndex < 0) {
linear_algebra_1.Vec3.fromArray(p, v, groupIndex * 3);
}
else {
linear_algebra_1.Vec3.transformMat4Offset(p, v, m, 0, groupIndex * 3, instanceIndex * 16);
}
return location;
};
return (0, location_iterator_1.LocationIterator)(groupCount, instanceCount, 1, getLocation);
}
function createValues(points, transform, locationIt, theme, props) {
const { instanceCount, groupCount } = locationIt;
const positionIt = createPositionIterator(points, transform);
const color = (0, color_data_1.createColors)(locationIt, positionIt, theme.color);
const size = (0, size_data_1.createSizes)(locationIt, theme.size);
const marker = props.instanceGranularity
? (0, marker_data_1.createMarkers)(instanceCount, 'instance')
: (0, marker_data_1.createMarkers)(instanceCount * groupCount, 'groupInstance');
const overpaint = (0, overpaint_data_1.createEmptyOverpaint)();
const transparency = (0, transparency_data_1.createEmptyTransparency)();
const emissive = (0, emissive_data_1.createEmptyEmissive)();
const material = (0, substance_data_1.createEmptySubstance)();
const clipping = (0, clipping_data_1.createEmptyClipping)();
const counts = { drawCount: points.pointCount, vertexCount: points.pointCount, groupCount, instanceCount };
const invariantBoundingSphere = geometry_1.Sphere3D.clone(points.boundingSphere);
const boundingSphere = (0, util_2.calculateTransformBoundingSphere)(invariantBoundingSphere, transform.aTransform.ref.value, instanceCount, 0);
return {
dGeometryType: mol_util_1.ValueCell.create('points'),
aPosition: points.centerBuffer,
aGroup: points.groupBuffer,
boundingSphere: mol_util_1.ValueCell.create(boundingSphere),
invariantBoundingSphere: mol_util_1.ValueCell.create(invariantBoundingSphere),
uInvariantBoundingSphere: mol_util_1.ValueCell.create(linear_algebra_1.Vec4.ofSphere(invariantBoundingSphere)),
...color,
...size,
...marker,
...overpaint,
...transparency,
...emissive,
...material,
...clipping,
...transform,
...base_1.BaseGeometry.createValues(props, counts),
uSizeFactor: mol_util_1.ValueCell.create(props.sizeFactor),
dPointSizeAttenuation: mol_util_1.ValueCell.create(props.pointSizeAttenuation),
dPointStyle: mol_util_1.ValueCell.create(props.pointStyle),
};
}
function createValuesSimple(points, props, colorValue, sizeValue, transform) {
const s = base_1.BaseGeometry.createSimple(colorValue, sizeValue, transform);
const p = { ...param_definition_1.ParamDefinition.getDefaultValues(Points.Params), ...props };
return createValues(points, s.transform, s.locationIterator, s.theme, p);
}
function updateValues(values, props) {
base_1.BaseGeometry.updateValues(values, props);
mol_util_1.ValueCell.updateIfChanged(values.uSizeFactor, props.sizeFactor);
mol_util_1.ValueCell.updateIfChanged(values.dPointSizeAttenuation, props.pointSizeAttenuation);
mol_util_1.ValueCell.updateIfChanged(values.dPointStyle, props.pointStyle);
}
function updateBoundingSphere(values, points) {
const invariantBoundingSphere = geometry_1.Sphere3D.clone(points.boundingSphere);
const boundingSphere = (0, util_2.calculateTransformBoundingSphere)(invariantBoundingSphere, values.aTransform.ref.value, values.instanceCount.ref.value, 0);
if (!geometry_1.Sphere3D.equals(boundingSphere, values.boundingSphere.ref.value)) {
mol_util_1.ValueCell.update(values.boundingSphere, boundingSphere);
}
if (!geometry_1.Sphere3D.equals(invariantBoundingSphere, values.invariantBoundingSphere.ref.value)) {
mol_util_1.ValueCell.update(values.invariantBoundingSphere, invariantBoundingSphere);
mol_util_1.ValueCell.update(values.uInvariantBoundingSphere, linear_algebra_1.Vec4.fromSphere(values.uInvariantBoundingSphere.ref.value, invariantBoundingSphere));
}
}
function createRenderableState(props) {
const state = base_1.BaseGeometry.createRenderableState(props);
updateRenderableState(state, props);
return state;
}
function updateRenderableState(state, props) {
base_1.BaseGeometry.updateRenderableState(state, props);
state.opaque = state.opaque && props.pointStyle !== 'fuzzy';
state.writeDepth = state.opaque;
}
})(Points || (exports.Points = Points = {}));