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

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

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

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

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { (0, _defineProperty2["default"])(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

// 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";

var _default = _objectSpread({}, _luma.picking, {
  fs: fs
});

exports["default"] = _default;
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