molstar
Version:
A comprehensive macromolecular library.
173 lines • 9.85 kB
JavaScript
/**
* Copyright (c) 2019-2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
import { __assign } from "tslib";
import { ValueCell } from '../../../mol-util';
import { ParamDefinition as PD } from '../../../mol-util/param-definition';
import { LocationIterator, PositionLocation } from '../../../mol-geo/util/location-iterator';
import { createColors } from '../color-data';
import { createMarkers } from '../marker-data';
import { calculateInvariantBoundingSphere, calculateTransformBoundingSphere } from '../../../mol-gl/renderable/util';
import { Sphere3D } from '../../../mol-math/geometry';
import { createSizes, getMaxSize } from '../size-data';
import { BaseGeometry } from '../base';
import { createEmptyOverpaint } from '../overpaint-data';
import { createEmptyTransparency } from '../transparency-data';
import { hashFnv32a } from '../../../mol-data/util';
import { createGroupMapping } from '../../util';
import { createEmptyClipping } from '../clipping-data';
import { Vec3, Vec4 } from '../../../mol-math/linear-algebra';
export var Spheres;
(function (Spheres) {
function create(centers, mappings, indices, groups, sphereCount, spheres) {
return spheres ?
update(centers, mappings, indices, groups, sphereCount, spheres) :
fromArrays(centers, mappings, indices, groups, sphereCount);
}
Spheres.create = create;
function createEmpty(spheres) {
var cb = spheres ? spheres.centerBuffer.ref.value : new Float32Array(0);
var mb = spheres ? spheres.mappingBuffer.ref.value : new Float32Array(0);
var ib = spheres ? spheres.indexBuffer.ref.value : new Uint32Array(0);
var gb = spheres ? spheres.groupBuffer.ref.value : new Float32Array(0);
return create(cb, mb, ib, gb, 0, spheres);
}
Spheres.createEmpty = createEmpty;
function hashCode(spheres) {
return hashFnv32a([
spheres.sphereCount,
spheres.centerBuffer.ref.version, spheres.mappingBuffer.ref.version,
spheres.indexBuffer.ref.version, spheres.groupBuffer.ref.version
]);
}
function fromArrays(centers, mappings, indices, groups, sphereCount) {
var boundingSphere = Sphere3D();
var groupMapping;
var currentHash = -1;
var currentGroup = -1;
var spheres = {
kind: 'spheres',
sphereCount: sphereCount,
centerBuffer: ValueCell.create(centers),
mappingBuffer: ValueCell.create(mappings),
indexBuffer: ValueCell.create(indices),
groupBuffer: ValueCell.create(groups),
get boundingSphere() {
var newHash = hashCode(spheres);
if (newHash !== currentHash) {
var b = calculateInvariantBoundingSphere(spheres.centerBuffer.ref.value, spheres.sphereCount * 4, 4);
Sphere3D.copy(boundingSphere, b);
currentHash = newHash;
}
return boundingSphere;
},
get groupMapping() {
if (spheres.groupBuffer.ref.version !== currentGroup) {
groupMapping = createGroupMapping(spheres.groupBuffer.ref.value, spheres.sphereCount, 4);
currentGroup = spheres.groupBuffer.ref.version;
}
return groupMapping;
},
setBoundingSphere: function (sphere) {
Sphere3D.copy(boundingSphere, sphere);
currentHash = hashCode(spheres);
}
};
return spheres;
}
function update(centers, mappings, indices, groups, sphereCount, spheres) {
if (sphereCount > spheres.sphereCount) {
ValueCell.update(spheres.mappingBuffer, mappings);
ValueCell.update(spheres.indexBuffer, indices);
}
spheres.sphereCount = sphereCount;
ValueCell.update(spheres.centerBuffer, centers);
ValueCell.update(spheres.groupBuffer, groups);
return spheres;
}
Spheres.Params = __assign(__assign({}, BaseGeometry.Params), { sizeFactor: PD.Numeric(1, { min: 0, max: 10, step: 0.1 }), doubleSided: PD.Boolean(false, BaseGeometry.CustomQualityParamInfo), ignoreLight: PD.Boolean(false, BaseGeometry.ShadingCategory), xrayShaded: PD.Boolean(false, BaseGeometry.ShadingCategory) });
Spheres.Utils = {
Params: Spheres.Params,
createEmpty: createEmpty,
createValues: createValues,
createValuesSimple: createValuesSimple,
updateValues: updateValues,
updateBoundingSphere: updateBoundingSphere,
createRenderableState: createRenderableState,
updateRenderableState: updateRenderableState,
createPositionIterator: createPositionIterator
};
function createPositionIterator(spheres, transform) {
var groupCount = spheres.sphereCount * 4;
var instanceCount = transform.instanceCount.ref.value;
var location = PositionLocation();
var p = location.position;
var v = spheres.centerBuffer.ref.value;
var m = transform.aTransform.ref.value;
var getLocation = function (groupIndex, instanceIndex) {
if (instanceIndex < 0) {
Vec3.fromArray(p, v, groupIndex * 3);
}
else {
Vec3.transformMat4Offset(p, v, m, 0, groupIndex * 3, instanceIndex * 16);
}
return location;
};
return LocationIterator(groupCount, instanceCount, 4, getLocation);
}
function createValues(spheres, transform, locationIt, theme, props) {
var instanceCount = locationIt.instanceCount, groupCount = locationIt.groupCount;
var positionIt = createPositionIterator(spheres, transform);
var color = createColors(locationIt, positionIt, theme.color);
var size = createSizes(locationIt, theme.size);
var marker = createMarkers(instanceCount * groupCount);
var overpaint = createEmptyOverpaint();
var transparency = createEmptyTransparency();
var clipping = createEmptyClipping();
var counts = { drawCount: spheres.sphereCount * 2 * 3, vertexCount: spheres.sphereCount * 4, groupCount: groupCount, instanceCount: instanceCount };
var padding = spheres.boundingSphere.radius ? getMaxSize(size) * props.sizeFactor : 0;
var invariantBoundingSphere = Sphere3D.expand(Sphere3D(), spheres.boundingSphere, padding);
var boundingSphere = calculateTransformBoundingSphere(invariantBoundingSphere, transform.aTransform.ref.value, instanceCount);
return __assign(__assign(__assign(__assign(__assign(__assign(__assign(__assign(__assign(__assign({ aPosition: spheres.centerBuffer, aMapping: spheres.mappingBuffer, aGroup: spheres.groupBuffer, elements: spheres.indexBuffer, boundingSphere: ValueCell.create(boundingSphere), invariantBoundingSphere: ValueCell.create(invariantBoundingSphere), uInvariantBoundingSphere: ValueCell.create(Vec4.ofSphere(invariantBoundingSphere)) }, color), size), marker), overpaint), transparency), clipping), transform), { padding: ValueCell.create(padding) }), BaseGeometry.createValues(props, counts)), { uSizeFactor: ValueCell.create(props.sizeFactor), dDoubleSided: ValueCell.create(props.doubleSided), dIgnoreLight: ValueCell.create(props.ignoreLight), dXrayShaded: ValueCell.create(props.xrayShaded) });
}
function createValuesSimple(spheres, props, colorValue, sizeValue, transform) {
var s = BaseGeometry.createSimple(colorValue, sizeValue, transform);
var p = __assign(__assign({}, PD.getDefaultValues(Spheres.Params)), props);
return createValues(spheres, s.transform, s.locationIterator, s.theme, p);
}
function updateValues(values, props) {
BaseGeometry.updateValues(values, props);
ValueCell.updateIfChanged(values.uSizeFactor, props.sizeFactor);
ValueCell.updateIfChanged(values.dDoubleSided, props.doubleSided);
ValueCell.updateIfChanged(values.dIgnoreLight, props.ignoreLight);
ValueCell.updateIfChanged(values.dXrayShaded, props.xrayShaded);
}
function updateBoundingSphere(values, spheres) {
var padding = spheres.boundingSphere.radius
? getMaxSize(values) * values.uSizeFactor.ref.value
: 0;
var invariantBoundingSphere = Sphere3D.expand(Sphere3D(), spheres.boundingSphere, padding);
var boundingSphere = calculateTransformBoundingSphere(invariantBoundingSphere, values.aTransform.ref.value, values.instanceCount.ref.value);
if (!Sphere3D.equals(boundingSphere, values.boundingSphere.ref.value)) {
ValueCell.update(values.boundingSphere, boundingSphere);
}
if (!Sphere3D.equals(invariantBoundingSphere, values.invariantBoundingSphere.ref.value)) {
ValueCell.update(values.invariantBoundingSphere, invariantBoundingSphere);
ValueCell.update(values.uInvariantBoundingSphere, Vec4.fromSphere(values.uInvariantBoundingSphere.ref.value, invariantBoundingSphere));
}
ValueCell.update(values.padding, padding);
}
function createRenderableState(props) {
var state = BaseGeometry.createRenderableState(props);
updateRenderableState(state, props);
return state;
}
function updateRenderableState(state, props) {
BaseGeometry.updateRenderableState(state, props);
state.opaque = state.opaque && !props.xrayShaded;
state.writeDepth = state.opaque;
}
})(Spheres || (Spheres = {}));
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