kepler.gl/dist/shaderlib/picking-module.js

kepler.gl is a webgl based application to visualize large scale location data in the browser

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _luma = require('luma.gl');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// add picking_uHighlightScale to fs uniform
var fs = 'uniform bool picking_uActive; // true during rendering to offscreen picking buffer\nuniform vec3 picking_uSelectedColor;\nuniform vec4 picking_uHighlightColor;\nuniform float picking_uHighlightScale;\n\nvarying vec4 picking_vRGBcolor_Aselected;\n\nconst float COLOR_SCALE = 1. / 255.;\n\n/*\n * Returns highlight color if this item is selected.\n */\nvec4 picking_filterHighlightColor(vec4 color) {\n  bool selected = bool(picking_vRGBcolor_Aselected.a);\n  // return selected ? (picking_uHighlightColor * COLOR_SCALE) : color;\n  return selected ? (\n   (bool(picking_uHighlightScale > 0.0) ? color * picking_uHighlightScale : picking_uHighlightColor * COLOR_SCALE)\n  ) : color;\n}\n\n/*\n * Returns picking color if picking enabled else unmodified argument.\n */\nvec4 picking_filterPickingColor(vec4 color) {\n  vec3 pickingColor = picking_vRGBcolor_Aselected.rgb;\n  if (picking_uActive && length(pickingColor) < 0.001) {\n    discard;\n  }\n  return picking_uActive ? vec4(pickingColor, 1.0) : color;\n}\n\n/*\n * Returns picking color if picking is enabled if not\n * highlight color if this item is selected, otherwise unmodified argument.\n */\nvec4 picking_filterColor(vec4 color) {\n  vec4 highightColor = picking_filterHighlightColor(color);\n  return picking_filterPickingColor(highightColor);\n}\n'; // Copyright (c) 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

exports.default = (0, _extends3.default)({}, _luma.picking, {
  fs: fs
});
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