/**
* Copyright shohei909 ( http://wonderfl.net/user/shohei909 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/ltJQ
*/
//rpg用エフェクト
//keyboard
//l:lightning
//b:bomb
package {
import flash.system.LoaderContext;
import flash.events.KeyboardEvent;
import flash.geom.Point;
import flash.filters.BlurFilter;
import flash.events.Event;
import flash.net.URLRequest;
import flash.display.Loader;
import flash.display.Sprite;
[SWF(backgroundColor = "#000000")]
public class FlashTest extends Sprite {
private var loader:Loader = new Loader();
private var effect:EffectMap;
public function FlashTest() {
// write as3 code here..
graphics.beginFill(0x000000,1);
graphics.drawRect(0,0,465,465);
addEventListener("addedToStage",init);
}
private function init(e:Event):void{
removeEventListener("addedToStage",init);
//LoaderContext(true) を設定しないとキャプチャーが取れない。
loader.load(new URLRequest( "http://farm4.static.flickr.com/3244/2862492791_355a607ef7_m.jpg" ), new LoaderContext(true) );
loader.contentLoaderInfo.addEventListener("complete",onComplete);
addChild( loader );
effect = new EffectMap( stage.stageWidth , stage.stageHeight );
effect.targets[0] = new Point( stage.stageWidth>>1 , stage.stageHeight>>1 );
addChild( effect )
}
private function onComplete(e:Event):void{
loader.contentLoaderInfo.removeEventListener("complete",onComplete);
stage.addEventListener("keyDown",onKeyDown);
loader.x = (stage.stageWidth - loader.width) >> 1;
loader.y = (stage.stageHeight - loader.height) >> 1;
effect.effect("bomb");
}
private function onKeyDown(e:KeyboardEvent):void{
var c:String = String.fromCharCode(e.charCode);
switch(c){
case "l": effect.effect("lightning"); break;
case "b": effect.effect("bomb"); break;
}
}
}
}
import flash.geom.Matrix;
import flash.display.Shape;
import flash.filters.GlowFilter;
import flash.geom.Rectangle;
import flash.filters.BitmapFilter;
import flash.filters.BlurFilter;
import flash.geom.Point;
import flash.events.Event;
import flash.display.Bitmap;
import flash.display.BitmapData;
class EffectMap extends Bitmap{
public var TYPES:Array = [ "lightning","ice" ]
private var backmapData:BitmapData;
private var moving:Boolean = false;
private var type:String = "none";
private var pixels: Vector.<Vector.<Pixel>> = new Vector.<Vector.<Pixel>>();
private var count:int = 0;
private var time:int = 0;
public var targets:Vector.<Point> = new Vector.<Point>();
public var bitmapFilters:Array = []
private var red:int=10,green:int=10,blue:int=10,mergeAlpha:int=10;
private var circle:Shape = new Shape();
function EffectMap( w:int, h:int ){
super(new BitmapData(w,h,true,0) );
backmapData = new BitmapData(w,h,true,0);
this.addEventListener("enterFrame", onFrame);
with(circle.graphics){
beginFill(0xFFFFFF,0.2)
drawCircle(0,0,10)
}
}
private function onFrame(e:Event):void{
var b:BitmapData = bitmapData;
var back:BitmapData = backmapData;
b.lock();
for each(var filter:BitmapFilter in bitmapFilters){
b.applyFilter(b,b.rect,new Point,filter);
}
if(moving && count >= 0){
switch(type){
case "lightning": lightning(); break;
case "bomb": bomb(); break;
}
}
b.merge(back, b.rect, new Point, red, green, blue, mergeAlpha );
b.unlock();
if(time == count){
moving = false;
}
count++;
}
public function effect(str:String):void{
moving = true;
type = str;
count = 0;
switch(type){
case "lightning":
blue = 1;
red = 5;
green = 5;
mergeAlpha = 2;
alpha = 2;
bitmapFilters = [ new BlurFilter(8,8) ];
time = 60;
break;
case "bomb":
blue = 50;
red = 7;
green = 20;
mergeAlpha = 20;
alpha = 50;
bitmapFilters = [ new BlurFilter(16,16) ];
time = 60;
break;
}
}
private function lightning():void{
var b:BitmapData = bitmapData;
if(count == time ){ b.fillRect(b.rect,0x88FFFFFF) }
for each(var t:Point in targets){
for(var j:int=0;j<5;j++){
var point:Point = t.clone();
var nextPoint:Point = t.clone();
var dir:Number = 2*Math.PI*Math.random();
var d:Number = 6;
for(var i:int = 0;i< 20;i++){
dir += (1-2*Math.random())*1.5;
nextPoint.x += Math.sin(dir)*d;
nextPoint.y += Math.cos(dir)*d;
bitmapUtil.drawLine(b, point, nextPoint, 0xAAFFFFFF );
point = nextPoint.clone();
}
}
}
}
private function bomb():void{
var b:BitmapData = bitmapData;
if(count == time ){ b.fillRect(b.rect,0xFFFFFFFF) }
if(count % 2 == 0 ){
for each(var t:Point in targets){
for(var j:int=0;j<3;j++){
var x:int = (1 - 2*Math.random())*50 + t.x;
var y:int = (1 - 2*Math.random())*50 + t.y;
var size:int = 5 *Math.random();
b.draw( circle, new Matrix(size,0,0,size,x,y) );
}
}
}
for each(var filter:BitmapFilter in bitmapFilters){
b.applyFilter(b,b.rect,new Point,filter);
}
}
}
class Pixel{
private var x:int = 0, y:int = 0;
}
class bitmapUtil{
static public function drawLine(data:BitmapData, start:Point, end:Point, color:uint=0xFFFFFFFF):void{
var x:Number = start.x < end.x ? start.x : end.x
var y:Number = start.x < end.x ? start.y : end.y
var endX:Number = start.x < end.x ? end.x : start.x
var endY:Number= start.x < end.x ? end.y : start.y
if( 0 == int(endX - x) ){
for(var i:int=y; i <= endY; i++ ){
data.setPixel32(x,i,color);
}
}else{
var dy:Number = (endY - y) / (endX - x)
do{
var y2:int = y < y+dy ? y : y+dy
var endY2:int = y > y+dy ? y : y+dy
do{
data.setPixel32(x,y2,color)
y2++;
}while(y2 <= endY2)
x++;
y += dy
}while( x <= endX )
}
}
}
