@turbox3d/event-manager/lib/interactive/coordinate.js

Large-scale productivity application event management library

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.CoordinateController = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _type = require("./type");
var CoordinateController = exports.CoordinateController = /*#__PURE__*/function () {
  function CoordinateController(_ref) {
    var getCanvasRectImpl = _ref.getCanvasRectImpl,
      canvasToSceneImpl = _ref.canvasToSceneImpl,
      sceneToCanvasImpl = _ref.sceneToCanvasImpl;
    (0, _classCallCheck2["default"])(this, CoordinateController);
    this.getCanvasRectImpl = getCanvasRectImpl;
    this.canvasToSceneImpl = canvasToSceneImpl;
    this.sceneToCanvasImpl = sceneToCanvasImpl;
  }
  /**
   * 将坐标进行转化
   */
  return (0, _createClass2["default"])(CoordinateController, [{
    key: "transform",
    value: function transform(point, type, z) {
      switch (type) {
        case _type.CoordinateType.ScreenToCanvas:
          return this.screenToCanvas(point);
        case _type.CoordinateType.ScreenToScene:
          return this.screenToScene(point, z);
        case _type.CoordinateType.CanvasToScreen:
          return this.canvasToScreen(point);
        case _type.CoordinateType.CanvasToScene:
          return this.canvasToScene(point, z);
        case _type.CoordinateType.SceneToScreen:
          return this.sceneToScreen(point);
        case _type.CoordinateType.SceneToCanvas:
          return this.sceneToCanvas(point);
        default:
          return point;
      }
    }
  }, {
    key: "screenToCanvas",
    value: function screenToCanvas(point) {
      var _this$getCanvasRectIm = this.getCanvasRectImpl(),
        x = _this$getCanvasRectIm.x,
        y = _this$getCanvasRectIm.y;
      return {
        x: point.x - x,
        y: point.y - y
      };
    }
  }, {
    key: "canvasToScreen",
    value: function canvasToScreen(point) {
      var _this$getCanvasRectIm2 = this.getCanvasRectImpl(),
        x = _this$getCanvasRectIm2.x,
        y = _this$getCanvasRectIm2.y;
      return {
        x: point.x + x,
        y: point.y + y
      };
    }
  }, {
    key: "canvasToScene",
    value: function canvasToScene(point, z) {
      return this.canvasToSceneImpl(point, z);
    }
  }, {
    key: "sceneToCanvas",
    value: function sceneToCanvas(point) {
      return this.sceneToCanvasImpl(point);
    }
  }, {
    key: "screenToScene",
    value: function screenToScene(point, z) {
      return this.canvasToScene(this.screenToCanvas(point), z);
    }
  }, {
    key: "sceneToScreen",
    value: function sceneToScreen(point) {
      return this.canvasToScreen(this.sceneToCanvas(point));
    }
  }]);
}();