From d3e857d7c56671a80f82aaf280aea15b653fc664 Mon Sep 17 00:00:00 2001
From: shuishen <1109946754@qq.com>
Date: Fri, 18 Mar 2022 11:48:35 +0800
Subject: [PATCH] 升级加s3m及加科技感

---
 src/components/map/components/dimension.vue |  117 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 117 insertions(+), 0 deletions(-)

diff --git a/src/components/map/components/dimension.vue b/src/components/map/components/dimension.vue
index 93556d6..9b9f8dd 100644
--- a/src/components/map/components/dimension.vue
+++ b/src/components/map/components/dimension.vue
@@ -1,5 +1,21 @@
 <template>
     <div class="dimension-cut">
+        <el-button
+            v-show="btnGroupShow"
+            size="mini"
+            class="three-stm"
+            type="primary"
+            @click="locationSTM"
+        >s3m</el-button>
+
+        <el-button
+            v-show="btnGroupShow"
+            size="mini"
+            class="sat-stm"
+            type="primary"
+            @click="locationSAT"
+        >科技</el-button>
+
         <el-radio-group v-model="dimensionValue" size="medium" @change="dimensionChange">
             <el-radio-button label="三 维"></el-radio-button>
             <el-radio-button label="真三维"></el-radio-button>
@@ -26,12 +42,18 @@
 
 let select = null
 
+let streenMlayer = null
+
+let layerSat = null
+let layerSATtwo = null
+
 const wallLayer = null
 
 export default {
     name: 'dimension',
     data () {
         return {
+            btnGroupShow: false,
             dimensionValue: '三 维',
             // 建筑2.5D地图
             // 建筑2.5D面数据
@@ -537,6 +559,10 @@
         }
     },
     methods: {
+        locationSTM () {
+            global.viewer.flyToPosition('116.45793269658417,39.92711385557482,617.5967826044838,181.95219395269424,-21.286437065473546')
+        },
+
         mouseMoveEvent (e) {
             var that = this
 
@@ -801,12 +827,82 @@
             }
         },
 
+        locationSAT () {
+            global.viewer.flyToPosition('121.4941629,31.2091462,1859.56,0,-28.71')
+        },
+
+        // 科技感删除
+        removeSAT () {
+            global.viewer.remove(layerSat)
+            global.viewer.remove(layerSATtwo)
+        },
+
+        // 科技感添加
+        createSAT () {
+            function generatePosition (num, isAdd) {
+                const list = []
+                for (let i = 0; i < num; i++) {
+                    const lng = 121.49536592256028 + Math.random() * 0.04 * (isAdd ? 1 : -1)
+                    const lat = 31.241616722278213 + Math.random() * 0.04 * (isAdd ? 1 : -1)
+                    list.push({ lng, lat })
+                }
+                return list
+            }
+
+            layerSat = new global.DC.TilesetLayer('layerSat').addTo(global.viewer)
+
+            const build = new global.DC.Tileset(
+                'http://resource.dvgis.cn/data/3dtiles/ljz/tileset.json',
+                { skipLevels: true }
+            )
+
+            const fs = `
+                        varying vec3 v_positionEC;
+                        void main(void){
+                            vec4 position = czm_inverseModelView * vec4(v_positionEC,1); // 位置
+                            float glowRange = 100.0; // 光环的移动范围(高度)
+                            gl_FragColor = vec4(0.2,  0.5, 1.0, 1.0); // 颜色
+                            gl_FragColor *= vec4(vec3(position.z / 100.0), 1.0); // 渐变
+                            // 动态光环
+                            float time = fract(czm_frameNumber / 360.0);
+                            time = abs(time - 0.5) * 2.0;
+                            float diff = step(0.005, abs( clamp(position.z / glowRange, 0.0, 1.0) - time));
+                            gl_FragColor.rgb += gl_FragColor.rgb * (1.0 - diff);
+                        }
+                        `
+            build.setCustomShader(fs)
+
+            layerSat.addOverlay(build)
+
+            layerSATtwo = new global.DC.PrimitiveLayer('layer').addTo(global.viewer)
+
+            let positions = generatePosition(50, true)
+
+            positions = positions.concat(generatePosition(50))
+
+            positions.forEach(item => {
+                const position = global.DC.Position.fromObject(item)
+                const end = position.copy()
+                end.alt = 5000 * Math.random()
+                const line = new global.DC.FlowLinePrimitive([position, end], 0.5)
+                line.setStyle({
+                    speed: 6 * Math.random(),
+                    color: global.DC.Color.fromCssColorString('rgb(141,172,172)'),
+                    percent: 0.1,
+                    gradient: 0.01
+                })
+                layerSATtwo.addOverlay(line)
+            })
+        },
+
         dimensionChange () {
             var that = this
 
             that.$store.commit('SET_TWOORTHREE', that.dimensionValue)
 
             if (that.dimensionValue == '真三维') {
+                that.btnGroupShow = true
+                that.createSAT()
                 global.viewer.off(global.DC.MouseEventType.MOUSE_MOVE, that.mouseMoveEvent)
                 global.viewer.off(global.DC.SceneEventType.CAMERA_CHANGED, that.mapCameraEvent)
                 that.removeLayers()
@@ -827,6 +923,9 @@
                 tilesetLayer.addOverlay(tileset)
                 tileset.on(global.DC.MouseEventType.CLICK, that.tilesetClick)
                 tilesetLayer.show = true
+
+                streenMlayer = new global.DC.S3MLayer('streenMlayer', 'http://resource.dvgis.cn/data/3dtiles/CBD/cbd.scp')
+                global.viewer.addLayer(streenMlayer)
                 // 最小
                 global.viewer.scene.screenSpaceCameraController.minimumZoomDistance = 1.0
                 // 最大
@@ -852,6 +951,8 @@
                     }
                 })
             } else {
+                that.btnGroupShow = false
+                that.removeSAT()
                 global.viewer.on(global.DC.MouseEventType.MOUSE_MOVE, that.mouseMoveEvent)
                 global.viewer.on(global.DC.SceneEventType.CAMERA_CHANGED, that.mapCameraEvent)
                 tileset.off(global.DC.MouseEventType.CLICK, that.tilesetClick)
@@ -860,6 +961,8 @@
                 global.viewer.removeLayer(tilesetLayer)
                 tileset = null
                 tilesetLayer = null
+                global.viewer.removeLayer(streenMlayer)
+                streenMlayer = null
                 that.createdLayers()
 
                 baseMapLayer = global.viewer.imageryLayers.addImageryProvider(new global.DC.Namespace.Cesium.UrlTemplateImageryProvider({
@@ -904,4 +1007,18 @@
     // height: 40px;
     z-index: 1;
 }
+
+.three-stm {
+    position: fixed;
+    top: 66px;
+    right: 10px;
+    z-index: 99;
+}
+
+.sat-stm {
+    position: fixed;
+    top: 66px;
+    right: 75px;
+    z-index: 99;
+}
 </style>

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