@vtx/cs-map/lib/fly-line-layer/LineFlowMaterialProperty.js

React components for Vortex

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _cesium = require("cesium");
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
var LineFlowMaterialProperty = exports["default"] = /*#__PURE__*/function () {
  function LineFlowMaterialProperty(options) {
    _classCallCheck(this, LineFlowMaterialProperty);
    this._definitionChanged = new _cesium.Event();
    this._color = undefined;
    this._speed = undefined;
    this._percent = undefined;
    this._gradient = undefined;
    this.color = options.color;
    this.speed = options.speed;
    this.percent = options.percent;
    this.gradient = options.gradient;
  }
  return _createClass(LineFlowMaterialProperty, [{
    key: "isConstant",
    get: function get() {
      return false;
    }
  }, {
    key: "definitionChanged",
    get: function get() {
      return this._definitionChanged;
    }
  }, {
    key: "getType",
    value: function getType() {
      return _cesium.Material.LineFlowMaterialType;
    }
  }, {
    key: "getValue",
    value: function getValue(time, result) {
      if (!(0, _cesium.defined)(result)) {
        result = {};
      }
      result.color = _cesium.Property.getValueOrDefault(this._color, time, _cesium.Color.RED, result.color);
      result.speed = _cesium.Property.getValueOrDefault(this._speed, time, 5.0, result.speed);
      result.percent = _cesium.Property.getValueOrDefault(this._percent, time, 0.1, result.percent);
      result.gradient = _cesium.Property.getValueOrDefault(this._gradient, time, 0.01, result.gradient);
      return result;
    }
  }, {
    key: "equals",
    value: function equals(other) {
      return this === other || other instanceof LineFlowMaterialProperty && _cesium.Property.equals(this._color, other._color) && _cesium.Property.equals(this._speed, other._speed) && _cesium.Property.equals(this._percent, other._percent) && _cesium.Property.equals(this._gradient, other._gradient);
    }
  }]);
}();
Object.defineProperties(LineFlowMaterialProperty.prototype, {
  color: (0, _cesium.createPropertyDescriptor)('color'),
  speed: (0, _cesium.createPropertyDescriptor)('speed'),
  percent: (0, _cesium.createPropertyDescriptor)('percent'),
  gradient: (0, _cesium.createPropertyDescriptor)('gradient')
});
_cesium.Material.LineFlowMaterialProperty = 'LineFlowMaterialProperty';
_cesium.Material.LineFlowMaterialType = 'LineFlowMaterialType';
_cesium.Material.LineFlowMaterialSource = "\n    uniform vec4 color;\n    uniform float speed;\n    uniform float percent;\n    uniform float gradient;\n\n    czm_material czm_getMaterial(czm_materialInput materialInput){\n      czm_material material = czm_getDefaultMaterial(materialInput);\n      vec2 st = materialInput.st;\n      float t =fract(czm_frameNumber * speed / 1000.0);\n      t *= (1.0 + percent);\n      float alpha = smoothstep(t- percent, t, st.s) * step(-t, -st.s);\n      alpha += gradient;\n      material.diffuse = color.rgb;\n      material.alpha = alpha;\n      return material;\n    }\n    ";
_cesium.Material._materialCache.addMaterial(_cesium.Material.LineFlowMaterialType, {
  fabric: {
    type: _cesium.Material.LineFlowMaterialType,
    uniforms: {
      color: new _cesium.Color(1.0, 0.0, 0.0, 1.0),
      speed: 10.0,
      percent: 0.1,
      gradient: 0.01
    },
    source: _cesium.Material.LineFlowMaterialSource
  },
  translucent: function translucent() {
    return true;
  }
});
//# sourceMappingURL=LineFlowMaterialProperty.js.map