# All files / src/WebGL/core EventDispatcher.ts

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     //Event Handling
    export class EventDispatcher {
      listeners = {} as Record<string, Array<(event: any) => void>>;

      dispatchEvent(event: any) {
        var listenerArray = this.listeners[event.type];

        Iif (listenerArray !== undefined) {
          event.target = this;

          for (var i = 0, l = listenerArray.length; i < l; i++)
            listenerArray[i].call(this, event);
        }
      }

      removeEventListener(type: string, listener?: (event: any) => void) {
        if (!listener) {
          this.listeners[type] = [];
        } else {
          var index = this.listeners[type].indexOf(listener);
          Iif (index !== -1) this.listeners[type].splice(index, 1);
        }
      }

      addEventListener(type: string, listener: (event: any) => void) {
        Iif (this.listeners[type] === undefined) this.listeners[type] = [];

        Iif (this.listeners[type].indexOf(listener) === -1)
          this.listeners[type].push(listener);
      }
    }