漫画っぽい集中線 その2
漫画っぽい集中線をかく その２
* @author minon
// forked from minon's 漫画っぽい集中線
/**
* 漫画っぽい集中線をかく その２
* @author minon
*/
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Matrix;
import flash.geom.Rectangle;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
[SWF(width="465",height="465",frameRate="60",backgroundColor="0x000000")]
public class LineTest extends Sprite {
private var _canvas:BitmapData;
public function LineTest() {
_canvas = new BitmapData( 465, 465, true, 0 );
this.addChild( new Bitmap( _canvas ) );
_drawLine( _canvas );
var txt:TextField = new TextField();
txt.autoSize = TextFieldAutoSize.LEFT;
var tf:TextFormat = new TextFormat();
tf.size = 24;
txt.defaultTextFormat = tf;
txt.text = "バ・・バカな・・・";
txt.x = ( stage.width - txt.width ) / 2
txt.y = ( stage.height - txt.height ) / 2
this.addChild( txt );
stage.addEventListener( Event.ENTER_FRAME, _render );
}
private function _render(e:Event):void {
_canvas.fillRect( new Rectangle( 0, 0, 465, 465 ), 0 );
_drawLine( _canvas );
}
public function _drawLine( bmp:BitmapData ):void {
var line:Sprite = new Sprite();
var g:Graphics = line.graphics;
drawTriangle( g );
var a:int = 2;
var len:int = stage.width / 2 * Math.sqrt(2);
var d:int = 360;
while ( 0 < d ) {
var x:Number = Math.sin( d * Math.PI / 180 ) * len + stage.width / 2;
var y:Number = Math.cos( d * Math.PI / 180 ) * len + stage.height / 2;
var mtx:Matrix = new Matrix();
mtx.scale( 10, Math.random() * ( Math.sin(d / (Math.random() * 1.5)) * 100 ) + len );
mtx.rotate( ( -d ) * Math.PI / 180 );
mtx.translate( stage.width / 2, stage.height / 2 );
bmp.draw( line, mtx );
d -= Math.round( Math.random() * a );
}
}
public function drawTriangle( g:Graphics ):void {
g.beginFill( 0xFFFFFF );
g.moveTo( -0.5, 0 );
g.lineTo( 0.5, 0 );
g.lineTo( 0, -0.5 );
g.lineTo( -0.5, 0 );
}
}
}