events and conditions

Post on 30-Dec-2015

39 Views

Category:

Documents

0 Downloads

Preview:

Click to see full reader

DESCRIPTION

Events and Conditions. Events are things that happen. Onpress () Videos loaded Mouse click. Event Handlers. Something that runs when a certain event occurs. Open Events.fla. Select the first keyframe of actions layer and f9. Keyboard Control to Character. - PowerPoint PPT Presentation

TRANSCRIPT

Events and Conditions

Onpress() Videos loaded Mouse click

Events are things that happen

Something that runs when a certain event occurs.

Event Handlers

Open Events.fla

Select the first keyframe of actions layer and f9

1st thing to do is to add an event listener. Tells an object to wait for a particular event to happen.

Set the keypress to the stage and not the boarder..

Keyboard Control to Character

Add EventListener

Event to listen for is called Keyboard Event

Inport Line of Code-- Access

Calling a function

Creating a function

Evt—represent the event the occurred.. Data sent to the function when a key is pressed.

Datatype KeyboardEvent

Line of code

Void and Curley Braces

Inside curley braces is what happen with a key press

Move the skateboarder

Test movie and press any key

Explain

Event listener– connect event

EventAnd c

command

Open Conditions.fla

Conditions– Programs that think and make decisions.

Test the code all keys will make boarder move to right

If a condition is met run a block of code

First frame f9

Explain code

Conditional statement to check which key was pressed

() and {} wrapping or nesting

Code cleanup

If the key was press was RIGHT

Talk about evt

keyCode

== is compare is equal to = set a value is assign

Move to right

Test

Make Left

Right and left at same is a conflict

Testd

Neither

Test

Another way…

Select the if block and

delete

Delete

Switch case

Check the value of the keycode and do

different things based on the value.

Case and value

IF true tell flash what to do

Stop looking for different options: break;

Test

Copy the case lines

Test

All other keys

Test

top related