init: 广西机电数字孪生看板项目首次入库

src/components/DMT/libs/DmtControl.js

@@ -0,0 +1,58 @@
+import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js'
+const _changeEvent = { type: 'change' }
+class DmtControl extends OrbitControls {
+  constructor(object, domElement) {
+    super(object, domElement)
+    const scope = this
+    const STATE = {
+      NONE: -1,
+      ROTATE: 0,
+      DOLLY: 1,
+      PAN: 2,
+      TOUCH_ROTATE: 3,
+      TOUCH_PAN: 4,
+      TOUCH_DOLLY_PAN: 5,
+      TOUCH_DOLLY_ROTATE: 6
+    }
+
+    // eslint-disable-next-line no-unused-vars
+    let state = STATE.NONE
+    this.resetState = function(target0, position0, zoom0) {
+      scope.target.copy(target0)
+      scope.object.position.copy(position0)
+      scope.object.zoom = zoom0
+
+      scope.object.updateProjectionMatrix()
+      scope.dispatchEvent(_changeEvent)
+
+      scope.update()
+
+      state = STATE.NONE
+    }
+    this.setLookAt = function(position0, target0, zoom0) {
+      scope.target.copy(target0)
+      scope.object.position.copy(position0)
+      scope.object.zoom = zoom0
+
+      scope.object.updateProjectionMatrix()
+      scope.dispatchEvent(_changeEvent)
+
+      scope.update()
+
+      state = STATE.NONE
+    }
+    this.moveTo = function(x, y, z) {
+      // scope.target.set(x, y, z)
+    }
+    this.getState = function() {
+      return {
+        target: scope.target.clone(),
+        position: scope.object.position.clone(),
+        zoom: parseFloat(scope.object.zoom.toString())
+      }
+    }
+  }
+}
+export {
+  DmtControl
+}