TAILIEUCHUNG - adobe flash cs5 on demand part 24

Tạo Instances Một ví dụ là một bản sao của một biểu tượng. Khi bạn sử dụng một biểu tượng ở thanh thời gian của bạn, bạn đang sử dụng một thể hiện của nó. Bạn có thể làm động một cá thể của một biểu tượng và áp dụng một loạt các hiệu ứng cho nó mà không ảnh hưởng đến các biểu tượng ban đầu trong thư viện. | Creating Instances An instance is a copy of a symbol. When you use a symbol in your Timeline you are using an instance of it. You can animate an instance of a symbol and apply a variety of effects to it without affecting the original symbol in the Library. You can also use multiple instances of the same symbol. When you change the properties of an instance in the Timeline you are only applying these changes to that copy or instance of the symbol. In this way you keep the file size down because Flash only keeps track of the changes you ve made while preserving the symbol in the form you created. If you have several instances of a symbol in your movie and you want to edit the artwork you can make changes to the master symbol. When you do this all of the instances of that symbol will be updated with these changes. Place Instances on the Stage Open or expand the Library panel. TIMESAVER Press F11 or a L Mac or Ctrl L Win to quickly open and close the Library panel. Select the symbol from the list of assets and drag it to the Stage to create an instance of that symbol. TIMESAVER Drag the preview image of a symbol selected in the Library item list to create an instance of that symbol on the Stage. Instance of the symbol on the Stage Filled keyframe indicates instance is placed on the Stage. 142 Chapter 4 Edit Master Symbols Double-click any instance of a symbol you want to edit. Make changes to the symbol artwork or animation. Click the Back button or Scene name on the Edit bar to return to the main Timeline. All of the instances reflect these changes. 3 All other instances update with new changes. Chapter 4 Working with Groups Symbols and Instances 143 Changing Symbol and Instance Type Symbols have three specific types that are set when you first create the symbol graphic movie clip and button. You can change these types for a symbol s instance by selecting it and then selecting a new type option in the Property Inspector. Do this when you need the instance to display a

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