Well documented, extensively tested ActionsScript 3.0 source file of a box drawing class. Click and drag to draw box based on mouse position.
This piece of script can be used as an object selecting mechanism in games to select multiple objects, elements, simultaneously.
Drag a Square on stage !
This movie requires Flash Player 9
3 files Compressed Package with the AS3 Draw Box Source Code $2.5
?Download DrawSelectBox.txt
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/**
* Draw Box class
* ---------------------
* VERSION: 1.0
* DATE: 11/14/2010
* AS3
**/
{
import flash.display.DisplayObjectContainer;
import flash.events.MouseEvent;
import flash.display.Sprite;
import flash.events.Event;
public class Box extends Sprite
{
private var _canvas:DisplayObjectContainer;
private var _startX:Number;
private var _startY:Number;
private var _endX:Number;
private var _endY:Number;
public function Box($canvas:DisplayObjectContainer, $startX:Number, $startY:Number)
{
_canvas = $canvas;
_startX = $startX;
_startY = $startY;
_endX = _canvas.mouseX;
_endY = _canvas.mouseY;
_canvas.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMoveHandler);
_canvas.addEventListener(MouseEvent.MOUSE_UP, onMouseUpHandler);
_canvas.addEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
}
private function onMouseMoveHandler(event:MouseEvent):void
{
_endX = _canvas.mouseX;
_endY = _canvas.mouseY;
}
private function onMouseUpHandler(event:MouseEvent):void
{
_canvas.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMoveHandler);
_canvas.removeEventListener(MouseEvent.MOUSE_UP, onMouseUpHandler);
_canvas.removeEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
}
private function onEnterFrameHandler(event:Event):void
{
graphics.clear();
graphics.lineStyle(2, 0x88B1CC);
graphics.moveTo(_startX, _startY);
graphics.beginFill(0x88B1CC, .25);
graphics.lineTo(_endX, _startY);
graphics.lineTo(_endX, _endY);
graphics.lineTo(_startX, _endY);
graphics.lineTo(_startX, _startY);
graphics.endFill();
}
}
} |
23 Responses to “Draw Select Box Actionscript 3.0 Source Code”
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Draw Select Box Actionscript 3.0 Source Code…
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