vue-cesium/lib/components/post-processes/post-process-stage-scan/use-circle-scan.js

Vue 3.x components for CesiumJS.

'use strict';

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

var CircleScan = require('../../../shared/shaders/CircleScan.js');

"use strict";
function useCircle($services) {
  const webgl = (options) => {
    var _a;
    const { viewer } = $services;
    const webgl2 = (_a = viewer.scene.context) == null ? void 0 : _a.webgl2;
    let shaderSourceText = CircleScan["default"];
    if (!webgl2) {
      shaderSourceText = shaderSourceText.replace("in vec2 v_textureCoordinates;", "varying vec2 v_textureCoordinates;");
      shaderSourceText = shaderSourceText.replace(/texture\(/g, "texture2D(");
      shaderSourceText = shaderSourceText.replace(/out_FragColor/g, "gl_FragColor");
    }
    const cartographicCenter = Cesium.Cartographic.fromCartesian(options.position, viewer.scene.globe.ellipsoid);
    const _Cartesian3Center = Cesium.Cartographic.toCartesian(cartographicCenter, viewer.scene.globe.ellipsoid);
    const _Cartesian4Center = new Cesium.Cartesian4(_Cartesian3Center.x, _Cartesian3Center.y, _Cartesian3Center.z, 1);
    const _CartographicCenter1 = new Cesium.Cartographic(cartographicCenter.longitude, cartographicCenter.latitude, cartographicCenter.height + 500);
    const _Cartesian3Center1 = Cesium.Cartographic.toCartesian(_CartographicCenter1, viewer.scene.globe.ellipsoid);
    const _Cartesian4Center1 = new Cesium.Cartesian4(_Cartesian3Center1.x, _Cartesian3Center1.y, _Cartesian3Center1.z, 1);
    const _time = (/* @__PURE__ */ new Date()).getTime();
    const _scratchCartesian4Center = new Cesium.Cartesian4();
    const _scratchCartesian4Center1 = new Cesium.Cartesian4();
    const _scratchCartesian3Normal = new Cesium.Cartesian3();
    const uniforms = {
      u_scanCenterEC: function() {
        return Cesium.Matrix4.multiplyByVector(viewer.camera.viewMatrix, _Cartesian4Center, _scratchCartesian4Center);
      },
      u_scanPlaneNormalEC: function() {
        const temp = Cesium.Matrix4.multiplyByVector(viewer.camera.viewMatrix, _Cartesian4Center, _scratchCartesian4Center);
        const temp1 = Cesium.Matrix4.multiplyByVector(viewer.camera.viewMatrix, _Cartesian4Center1, _scratchCartesian4Center1);
        _scratchCartesian3Normal.x = temp1.x - temp.x;
        _scratchCartesian3Normal.y = temp1.y - temp.y;
        _scratchCartesian3Normal.z = temp1.z - temp.z;
        Cesium.Cartesian3.normalize(_scratchCartesian3Normal, _scratchCartesian3Normal);
        return _scratchCartesian3Normal;
      },
      u_radius: function() {
        return options.radius * (((/* @__PURE__ */ new Date()).getTime() - _time) % options.interval) / options.interval;
      },
      u_scanColor: options.color
    };
    return {
      shaderSource: shaderSourceText,
      uniforms
    };
  };
  return {
    webgl
  };
}

exports["default"] = useCircle;
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