Flare 燃えろよ♪燃えろよ♪
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[AS3.0] Flareクラスに挑戦！ (2)
http://www.project-nya.jp/modules/weblog/details.php?blog_id=1128
画面クリックで炎が出る範囲が変わったりします。
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/**
* Copyright ProjectNya ( http://wonderfl.net/user/ProjectNya )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/usCF
*/
////////////////////////////////////////////////////////////////////////////////
// [AS3.0] Flareクラスに挑戦！ (2)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1128
// 画面クリックで炎が出る範囲が変わったりします。
////////////////////////////////////////////////////////////////////////////////
package {
import flash.display.Sprite;
import flash.display.Shape;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.geom.Rectangle;
import flash.events.Event;
import flash.events.MouseEvent;
import net.hires.debug.Stats;
[SWF(backgroundColor="#000000", width="465", height="465", frameRate="30")]
public class Main extends Sprite {
private var noise:PerlinNoise;
private var bitmap:Bitmap;
private var flare:FlareMap;
private var detection:DetectPixels;
private static var cx:uint = 232;
private static var cy:uint = 300;
private static var fw:uint = 400;
private static var fh:uint = 300;
private static var bw:uint = 380;
private static var bh:uint = 120;
private var area:Rectangle;
public function Main() {
Wonderfl.capture_delay(4);
addChild(new Stats());
init();
}
private function init():void {
graphics.beginFill(0x000000);
graphics.drawRect(0, 0, 465, 465);
graphics.endFill();
noise = new PerlinNoise(new Rectangle(0, 0, bw, bh), 60, 4, 0);
noise.colorize({r: 1.5, g: 1.5, b: 1.5}, {r: -0x66, g: -0x66, b: -0x66});
bitmap = new Bitmap(noise);
addChild(bitmap);
bitmap.x = cx - bw*0.5;
bitmap.y = cy + 20;
var rect:Rectangle = new Rectangle(0, 0, fw, fh);
flare = new FlareMap(rect);
addChild(flare);
flare.x = cx;
flare.y = cy;
area = new Rectangle(0, 0, bw, bh);
detection = new DetectPixels(4);
detection.search(noise, area, 0xFF666666);
flare.map = detection.pixels();
flare.offset = {x: 10, y: cy - bh};
flare.setup(6, 4, 60);
flare.start();
stage.addEventListener(MouseEvent.CLICK, click, false, 0, true);
}
private function click(evt:MouseEvent):void {
noise.create(60, 4, 0);
noise.colorize({r: 1.5, g: 1.5, b: 1.5}, {r: -0x66, g: -0x66, b: -0x66});
detection.search(noise, area, 0xFF666666);
flare.map = detection.pixels();
}
}
}
import flash.display.Sprite;
import flash.display.Shape;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.events.Event;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.filters.BlurFilter;
import flash.display.BlendMode;
//import sketchbook.colors.ColorUtil;
class FlareMap extends Sprite {
private var rect:Rectangle;
private var fire:Rectangle;
private var flare:BitmapData;
private var bitmapData:BitmapData;
private var bitmap:Bitmap;
private var rPalette:Array;
private var gPalette:Array;
private var bPalette:Array;
private static var point:Point = new Point(0, 0);
private var speed:Point = new Point(0, -6);
private var unit:uint = 8;
private var segments:uint = 8;
private var blur:BlurFilter;
private var mapList:Array;
public var offset:Object = {x: 0, y: 0};
private var faded:uint = 0;
public static const COMPLETE:String = Event.COMPLETE;
public function FlareMap(r:Rectangle) {
rect = r;
initialize();
draw();
}
public function setup(s:uint = 6, u:uint = 8, seg:uint = 8):void {
speed.y = - s;
unit = u;
segments = seg;
}
public function set map(list:Array):void {
mapList = list;
}
private function initialize():void {
rPalette = new Array();
gPalette = new Array();
bPalette = new Array();
for (var n:uint = 0; n < 256; n++) {
var luminance:uint = (n < 128) ? n*2 : 0;
//var rgb:Object = ColorUtil.HLS2RGB(n*360/256, luminance, 100);
var rgb:Object = HLS2RGB(n*360/256, luminance, 100);
var color:uint = rgb.r << 16 | rgb.g << 8 | rgb.b;
rPalette[n] = color;
gPalette[n] = 0;
bPalette[n] = 0;
}
blur = new BlurFilter(2, 8, 3);
blendMode = BlendMode.ADD;
}
private function draw():void {
fire = new Rectangle(0, 0, rect.width, rect.height + 10);
flare = new BitmapData(fire.width, fire.height, false, 0xFF000000);
bitmapData = new BitmapData(rect.width, rect.height, false, 0xFF000000);
bitmap = new Bitmap(bitmapData);
addChild(bitmap);
bitmap.x = - rect.width*0.5;
bitmap.y = - rect.height;
}
public function start():void {
addEventListener(Event.ENTER_FRAME, apply, false, 0, true);
}
private function apply(evt:Event):void {
if (!mapList) return;
flare.lock();
bitmapData.lock();
for (var n:uint = 0; n < segments; n++) {
var id:uint = Math.random()*mapList.length;
var px:int = mapList[id].x + offset.x;
var py:int = mapList[id].y + offset.y;
var range:Rectangle = new Rectangle(px, py, unit, 2)
flare.fillRect(range, 0xFFFFFF);
}
flare.applyFilter(flare, fire, speed, blur);
bitmapData.paletteMap(flare, rect, point, rPalette, gPalette, bPalette);
flare.unlock();
bitmapData.unlock();
}
private function clear(evt:Event):void {
faded ++;
flare.lock();
bitmapData.lock();
flare.applyFilter(flare, fire, speed, blur);
bitmapData.paletteMap(flare, rect, point, rPalette, gPalette, bPalette);
if (faded > 20) {
bitmapData.fillRect(rect, 0x000000);
removeEventListener(Event.ENTER_FRAME, clear);
dispatchEvent(new Event(FlareMap.COMPLETE));
}
flare.unlock();
bitmapData.unlock();
}
private function createEggMask(target:Shape):void {
var w:Number = rect.width;
var h:Number = rect.height*1.5;
target.graphics.beginFill(0xFFFFFF);
target.graphics.moveTo(-w*0.5, -h*0.2);
target.graphics.curveTo(-w*0.4, -h, 0, -h);
target.graphics.curveTo(w*0.4, -h, w*0.5, -h*0.2);
target.graphics.curveTo(w*0.5, 0, 0, 0);
target.graphics.curveTo(-w*0.5, 0, -w*0.5, -h*0.2);
target.graphics.endFill();
}
private function HLS2RGB(h:Number, l:Number, s:Number):Object{
var max:Number;
var min:Number;
h = (h < 0)? h % 360+360 : (h>=360)? h%360: h;
l = (l < 0)? 0 : (l > 100)? 100 : l;
s = (s < 0)? 0 : (s > 100)? 100 : s;
l *= 0.01;
s *= 0.01;
if (s == 0) {
var val:Number = l*255;
return {r:val, g:val, b:val};
}
if (l < 0.5) {
max = l*(1 + s)*255;
} else {
max = (l*(1 - s) + s)*255;
}
min = (2*l)*255 - max;
return _hMinMax2RGB(h, min, max);
}
private function _hMinMax2RGB(h:Number, min:Number, max:Number):Object{
var r:Number;
var g:Number;
var b:Number;
var area:Number = Math.floor(h/60);
switch(area){
case 0:
r = max;
g = min + h * (max - min)/60;
b = min;
break;
case 1:
r = max - (h - 60)*(max - min)/60;
g = max;
b = min;
break;
case 2:
r = min ;
g = max;
b = min + (h - 120)*(max - min)/60;
break;
case 3:
r = min;
g = max - (h - 180)*(max - min)/60;
b =max;
break;
case 4:
r = min + (h - 240)*(max - min)/60;
g = min;
b = max;
break;
case 5:
r = max;
g = min;
b = max - (h - 300)*(max - min)/60;
break;
case 6:
r = max;
g = min + h*(max - min)/60;
b = min;
break;
}
r = Math.min(255, Math.max(0, Math.round(r)));
g = Math.min(255, Math.max(0, Math.round(g)));
b = Math.min(255, Math.max(0, Math.round(b)));
return {r:r, g:g, b:b};
}
}
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.display.IBitmapDrawable;
class DetectPixels {
private var bd:IBitmapDrawable;
private var rect:Rectangle;
private var map:BitmapData;
private var mapList:Array;
private var accuracy:uint;
private var threshold:uint = 0x80FFFFFF;
public function DetectPixels(a:uint = 1) {
accuracy = a;
}
public function search(t:IBitmapDrawable, r:Rectangle, th:uint = 0x80FFFFFF):void {
bd = t;
rect = r;
threshold = th;
var w:uint = rect.width/accuracy;
var h:uint = rect.height/accuracy;
detect(w, h);
}
private function detect(w:uint, h:uint):void {
map = new BitmapData(w, h, true, 0x00000000);
var matrix:Matrix = new Matrix();
matrix.translate(-rect.x, -rect.y);
matrix.scale(1/accuracy, 1/accuracy);
map.lock();
map.draw(bd, matrix);
map.unlock();
mapList = new Array();
for (var x:uint = 0; x < w; x++) {
for (var y:uint = 0; y < h; y++) {
var color:uint = map.getPixel32(x, y);
if (color >= threshold) {
var px:int = x*accuracy + rect.x;
var py:int = y*accuracy + rect.y;
var point:Point = new Point(px, py);
mapList.push(point);
}
}
}
}
public function pixels():Array {
return mapList;
}
}
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
class Threshold extends BitmapData {
private var source:BitmapData;
private static var point:Point = new Point();
private var operation:String;
private var _threshold:uint;
private var color:uint;
private var mask:uint;
public static const OPERATION_LOW:String = "<=";
public static const OPERATION_HIGH:String = ">=";
public function Threshold(bd:BitmapData, o:String = OPERATION_LOW, t:uint = 0x000000, c:uint = 0x00000000, m:uint = 0xFFFFFFFF) {
super(bd.rect.width, bd.rect.height, true, 0xFFFFFFFF);
source = bd;
apply(o, t, c, m);
}
public function apply(o:String, t:uint, c:uint, m:uint):void {
operation = o;
_threshold = t;
color = c;
mask = m;
lock();
reset();
threshold(source, rect, point, operation, _threshold, color, mask, false);
unlock();
}
public function reset(fill:uint = 0xFFFFFFFF):void {
fillRect(rect, fill);
}
}
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.ColorTransform;
class PerlinNoise extends BitmapData {
private var source:BitmapData;
private var base:uint;
private var octaves:uint;
private var seed:uint;
private static var point:Point = new Point();
private var offsets:Array = [point, point];
private var color:ColorTransform;
private var multiplier:Object = {r: 1, g: 1, b: 1};
private var offset:Object = {r: 0x00, g: 0x00, b: 0x00};
public function PerlinNoise(rect:Rectangle, b:uint = 20, o:uint = 2, s:uint = 1) {
super(rect.width, rect.height, false, 0xFF000000);
source = new BitmapData(rect.width, rect.height, false, 0xFF000000);
create(b, o, s);
}
public function create(b:uint, o:uint, s:uint):void {
base = b;
octaves = o;
seed = s;
if (seed == 0) seed = Math.floor(Math.random()*1000);
lock();
source.perlinNoise(base, base, octaves, seed, false, true, 0, true, offsets);
draw(source);
unlock();
}
public function colorize(m:Object, o:Object):void {
multiplier = m;
offset = o;
color = new ColorTransform(multiplier.r, multiplier.g, multiplier.b, 1, offset.r, offset.g, offset.b, 0);
lock();
draw(source, null, color);
unlock();
}
}