feature(core): add camera utils tools

add static methods to transform camera with geographic parameters

jsdoc-config.json

@@ -36,7 +36,9 @@
             "src/Renderer/ThreeExtended/Feature2Mesh.js",
             "src/Renderer/ThreeExtended/GlobeControls.js",
             "src/Renderer/ThreeExtended/PlanarControls.js",
-            "src/Renderer/ThreeExtended/FirstPersonControls.js"
+            "src/Renderer/ThreeExtended/FirstPersonControls.js",
+
+            "src/utils/CameraUtils.js"
         ]
     }
 }

package.json

@@ -35,6 +35,7 @@
   "homepage": "https://itowns.github.io/",
   "dependencies": {
     "@mapbox/vector-tile": "^1.3.0",
+    "@tweenjs/tween.js": "^17.2.0",
     "babel-polyfill": "^6.26.0",
     "babel-runtime": "^6.20.0",
     "earcut": "^2.1.1",

src/Core/Prefab/GlobeView.js

@@ -300,6 +300,10 @@ const direction = new THREE.Vector3();
  */
 
 GlobeView.prototype.getPickingPositionFromDepth = function getPickingPositionFromDepth(mouse, target = new THREE.Vector3()) {
+    if (!this.wgs84TileLayer || this.wgs84TileLayer.level0Nodes.length == 0) {
+        target = undefined;
+        return;
+    }
     const l = this.mainLoop;
     const viewPaused = l.scheduler.commandsWaitingExecutionCount() == 0 && l.renderingState == RENDERING_PAUSED;
     const g = l.gfxEngine;

src/Core/Prefab/PlanarView.js

@@ -101,6 +101,10 @@ const direction = new THREE.Vector3();
  */
 
 PlanarView.prototype.getPickingPositionFromDepth = function getPickingPositionFromDepth(mouse, target = new THREE.Vector3()) {
+    if (!this.tileLayer || this.tileLayer.level0Nodes.length == 0) {
+        target = undefined;
+        return;
+    }
     const l = this.mainLoop;
     const viewPaused = l.scheduler.commandsWaitingExecutionCount() == 0 && l.renderingState == RENDERING_PAUSED;
     const g = l.gfxEngine;

src/Main.js

@@ -27,3 +27,4 @@ export { default as PlanarControls } from './Renderer/ThreeExtended/PlanarContro
 export { default as FeaturesUtils } from './Renderer/ThreeExtended/FeaturesUtils';
 export { CONTROL_EVENTS } from './Renderer/ThreeExtended/GlobeControls';
 export { default as DEMUtils } from './utils/DEMUtils';
+export { default as CameraUtils } from './utils/CameraUtils';