文档介绍：Copyright ? 2003 Pearson Education, 4 – Slide 1by Michael KayThe Web Wizard’s Guide to FlashCopyright ? 2003 Pearson Education, 4 – Slide 2CHAPTER 4Basic ActionsCopyright ? 2003 Pearson Education, 4 – Slide 3Chapter Objectives?Introduce interactivity?Add and test a simple frame action?Create a button symbol and apply a play action?Use other essential actions?Learn to apply the Tell Target action to control movie clips?Build a pull-down menuCopyright ? 2003 Pearson Education, 4 – Slide 4The Role of Actions in Flash?Allows non-linear play of Flash movies?Gives audience some control over how the movie plays?All actions are a form of ActionScript but these are easier to apply?A user event is dependent on the interaction of a user (such as clicking a button).?Movie events are triggered by the play of the movie (such as reaching a specific keyframe).Copyright ? 2003 Pearson Education, 4 – Slide 5Frame Actions?A frame action is a type of movie event.?Select a keyframe and use the Actions panel to assign a frame action.?Assign a Stop action to a specifickeyframe and the movie will invariably stop there.?Choose the Control > Test mand to check your ? 2003 Pearson Education, 4 – Slide 6Button Actions?A button action allows you to assign a user event.?Create a button symbol which invites the user to click on it. ?Place an instance of the button on the Stage.?Assign an event handler and action.?Add a button with a Play action to the same keyframe with the Stop action. This allows a user to continue the play of the ? 2003 Pearson Education, 4 – Slide 7Four Frames for a Button Symbol?Up: What the button looks like with no interaction, at rest?Over: What the button looks like when the mouse rolls over it?Down: What the button looks like when someone clicks down on it?Hit: Defines the area that responds to a mouseCopyright ? 2003 Pearson Education, 4 – S