drawTrianglesの練習その2
drawTrianglesの練習その2。
赤丸をマウスでドラッグして変形です。
※ 使用の画像は某自然動物公園で撮影してきたカンガルーのような小動物です。
/**
* Copyright mousepancyo ( http://wonderfl.net/user/mousepancyo )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/6igf
*/
/*
drawTrianglesの練習その2。
赤丸をマウスでドラッグして変形です。
※ 使用の画像は某自然動物公園で撮影してきたカンガルーのような小動物です。
*/
package {
import flash.display.Sprite;
import flash.display.Shape;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.events.Event;
import flash.display.Loader;
import flash.net.URLRequest;
import flash.display.LoaderInfo;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.system.Security;
import flash.events.MouseEvent;
[SWF(width=465, height=465, backgroundColor=0,frameRate=30)]
public class Main extends Sprite{
private var _vertices:Vector.<Number> = new Vector.<Number>()
private var _indices:Vector.<int> = new Vector.<int>()
private var _uvData:Vector.<Number> = new Vector.<Number>()
private var _pX:Vector.<Number> = new Vector.<Number>()
private var _pY:Vector.<Number> = new Vector.<Number>()
private var _dotList:Vector.<Dot> = new Vector.<Dot>()
private var _bmd:BitmapData
private var _bm:Bitmap
private var _shape:Shape = new Shape()
private var _loader:Loader
private var _req:URLRequest
private var _xLen:int = 8
private var _yLen:int = 8
public function Main() {
Security.loadPolicyFile("http://www.digifie.jp/crossdomain.xml");
loadImage("http://www.digifie.jp/files/test100726.jpg")
}
private function loadImage(url:String):void{
_loader = new Loader();
_loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoadedListener);
_loader.load(new URLRequest(url));
}
private function onLoadedListener(e:Event):void {
addChild(_shape)
_bmd = new BitmapData(_loader.width, _loader.height, false, 0)
_bmd.draw(_loader)
//
for (var i:int=0; i < _xLen; i++){
for (var j:int=0; j < _xLen; j++){
_uvData.push(j / (_xLen-1), i / (_yLen-1));
_vertices.push(_bmd.width * j / (_xLen-1), _bmd.height * i / (_yLen-1));
_pX.push(_bmd.width * j / (_xLen-1));
_pY.push(_bmd.height * i / (_yLen-1));
if (i != (_yLen - 1) && j != (_xLen - 1)){
_indices.push(_xLen * i + j, _xLen * i + j + 1, _xLen * (i + 1) + j);
_indices.push(_xLen * i + j + 1, _xLen * (i + 1) + j, _xLen * (i + 1) + j + 1);
}
}
}
for (i=0; i < _xLen * _yLen; i++){
var dot:Dot = new Dot()
dot.x = _pX[i]
dot.y = _pY[i]
addChild(dot)
_dotList.push(dot)
_dotList[i].addEventListener(MouseEvent.MOUSE_DOWN, dragStart)
_dotList[i].addEventListener(MouseEvent.MOUSE_UP, dragStop)
}
createTriangles(_vertices, _indices, _uvData)
}
private function dragStart(e:MouseEvent):void{
e.target.startDrag(true)
addEventListener(Event.ENTER_FRAME, update);
}
private function dragStop(e:MouseEvent):void{
e.target.stopDrag()
removeEventListener(Event.ENTER_FRAME, update);
}
private function update(e:Event):void{
var n:Number = 0.01
var nX:int=0
var nY:int=0
for (var i:int=0; i < _vertices.length; i++){
if(i%2 != 1){
if(nX<_dotList.length){
_vertices[i] = _dotList[nX].x
nX++
}
}else{
if(nY<_dotList.length){
_vertices[i] = _dotList[nY].y
nY++
}
}
}
createTriangles(_vertices, _indices, _uvData)
}
private function createTriangles(ver:Vector.<Number>, ind:Vector.<int>, uv:Vector.<Number>, cull:String = "none"):void{
_shape.graphics.clear();
_shape.graphics.lineStyle(1, 0xFFFFFF, 0.5)
_shape.graphics.beginBitmapFill(_bmd, null, true, true)
_shape.graphics.drawTriangles(ver, ind, uv, cull)
_shape.graphics.endFill()
}
}
}
import flash.display.Sprite;
import flash.display.Shape;
class Dot extends Sprite{
public function Dot(){
var shape:Shape = new Shape()
addChild(shape)
shape.graphics.beginFill(0xFF0000, 0.5)
shape.graphics.drawCircle(0,0,5)
shape.graphics.endFill()
}
}