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Nhiều sự hiểu biết Timelines Mỗi dự án bao gồm một thời gian chính. Nhưng dự án cũng bao gồm trường hợp movie clip có thời hạn của riêng mình. Bạn có thể sử dụng loadMovie () hành động để thêm các file SWF bên ngoài một dự án, qua đó bổ sung thêm thời hạn nhiều hơn. | Understanding Multiple Timelines Every project includes a main timeline. But projects also include movie clip instances that have timelines of their own. You can use the loadMovie action to add external SWFs to a project thereby adding even more timelines. Therefore a single project can have many separate timelines all of which can act independently with their own variables properties objects and functions. However these timelines can also work together one timeline can control another. In fact any timeline present in a scene can tell another present timeline to do something. Timelines are considered present as long as they exist in the Player movie window. If a movie clip instance appears in your movie for 40 frames it s considered present and targetable only during those 40 frames. The communication lines for these movie elements are provided by target paths addresses to objects movie clip instances for example that describe the overall area in which the object exists and narrow that area with each subsequent level. To better understand this concept take a look at the following example. The target path to one of your authors would look something like this This target path contains four levels separated by dots with each subsequent level smaller in size and scope until you reach the target Derek Franklin. This is what s known as an absolute path the complete and absolute location of Derek Franklin here on Earth. If someone in Australia wanted to communicate with Derek using a hypothetical communication system he or she would use this absolute address. In addition to absolute target paths there are also relative target paths a slightly trickier concept to understand so let s consider an example. If someone in Bloomington wanted to communicate with Derek who is also in Bloomington a lot of the information included in the absolute path would be unnecessary country state city because both people exist in a position relative to one another Bloomington. The following .
