Cheat Sheet - EVENTS

Here are some common EVENTs to use in AS3:


MouseEvents:

CLICK :Used to detect mouse clicks.

DOUBLE_CLICK: Used to detect double clicks.

MOUSE_DOWN :Checks when mouse is pressed down.

MOUSE_LEAVE : Monitors when the mouse leaves the stage.

MOUSE_MOVE :Monitors when the mouse moves.

MOUSE_OUT : Monitors when the mouse moves out of the attached to object of the event.

MOUSE_OVER : Monitors when the mouse moves over the attached to object of the event.

MOUSE_UP :Monitors when the mouse moves up the attached to object of the event from a click.

MOUSE_WHEEL : Monitors when the mouse wheel moves, detect the positive or negative delta property for distance and direction moved.

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Example Usage:

import flash.events.MouseEvent;

example_mc.addEventListener(MouseEvent.CLICK, yourFunction);

function yourFunction(evt:MouseEvent){
    // Things Happen Here
   }

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Events:

ENTER_FRAME :Executes a function on EVERY FRAME at framerate.

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Example Usage:

import flash.events.Event;

stage.addEventListener(Event.ENTER_FRAME, yourFunction);

function yourFunction(evt:Event){
    // Things Happen Here
   }

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KeyboardEvents:

KEY_DOWN :Executes a function when ANY keyboard key goes down.
KEY_UP :Executes a function when ANY keyboard comes up after being hit.

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Example Usage:

stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyPressed);
 

function onKeyPressed(evt:KeyboardEvent):void {
    switch (evt.keyCode)  // The "SWITCH CASE" statements 

                          //are a form of "If Then"
    {
        case Keyboard.ENTER :
            trace("Enter Key Hit!");
            break;
        case Keyboard.LEFT :
            trace("Left Key Hit!");
            break;
        case Keyboard.RIGHT :
            trace("Right Key Hit!");
            break;
        case Keyboard.UP :
            trace("UP Key Hit!");
            break;
        case Keyboard.DOWN :
            trace("DOWN Key Hit!");
            break;
        case 65:
            trace("A has been hit!");
            break;
        default :
            trace("keyCode:", evt.keyCode);
    }
}

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