forked from: forked from: 煙のアニメーション
borrowed some code from psyark's BumpyPlanet:
http://wonderfl.kayac.com/code/d79cd85845773958620f42cb3e6cb363c2020c73
// forked from rm_wonderfl's forked from: 煙のアニメーション
// forked from Nao_u's 煙のアニメーション
// forked from Nao_u's forked from: Peak beta 1
// forked from shaktool's Peak beta 1
// forked from shaktool's Peak
// borrowed some code from psyark's BumpyPlanet:
// http://wonderfl.kayac.com/code/d79cd85845773958620f42cb3e6cb363c2020c73
package {
import flash.display.*;
import flash.events.*;
import flash.filters.*;
import flash.geom.*;
import flash.text.*;
import flash.utils.*;
[SWF(width=465, height=465, frameRate=24, backgroundColor=0xffffff)]
public class Peak extends Sprite {
private var maskMap:BitmapData = new BitmapData(230,230,false,0);
private var heightMap:BitmapData = new BitmapData(230,230,false,0);
private var pos: Bitmap = new Bitmap(heightMap);
private var pos2: Bitmap = new Bitmap(maskMap);
var palette: Array = new Array(256);
public var Tbl:Array = new Array;
public function Peak() {
stage.addEventListener(Event.ENTER_FRAME , generate);
Tbl[0] = new Point;
Tbl[1] = new Point;
Tbl[2] = new Point;
Tbl[3] = new Point;
// 下地
pos.scaleX = 2.0;
pos.scaleY = 2.0;
addChild(pos);
// マスク
pos2.scaleX = 2.0;
pos2.scaleY = 2.0;
pos2.blendMode = "multiply";
addChild(pos2);
// カラー変換テーブル
var v:int;
for (var i:int = 0; i < 256; i++) {
v = (i+48)*1.1 - 140;
v += 128;
if( v < 0 ) v = 0;
if( v > 255 ) v = 255;
palette[i] = (v<<16) + (v<<8) + v;
}
// マスクの生成
maskMap.perlinNoise(50,50,4,0,true,true, 4, true);
var col:int, r:int, g:int, b:int;
var mul:Number, dx:Number, dy:Number, dist:Number;
var radius:Number = 130;
for( var x:int=0; x<230; x++ ){
for( var y:int=0; y<230; y++ ){
dx = Math.abs(115-x);
dy = Math.abs(115-y);
dist = Math.sqrt( dx*dx + dy*dy );
if( dist > radius ) dist = radius;
mul = (radius - dist) / radius;
mul = mul;
col = maskMap.getPixel(x,y);
r = (col>>16)&0xff;
g = (col>>8)&0xff;
b = col & 0xff;
r = r * 0.5 + 1024 * mul * mul;
g = g * 0.5 + 1024 * mul * mul;
b = b * 0.5 + 1024 * mul * mul;
if( r > 255 ) r = 255;
if( g > 255 ) g = 255;
if( b > 255 ) b = 255;
r *= mul;
g *= mul;
b *= mul;
col = (r<<16) + (g<<8) + b;
maskMap.setPixel(x,y, col );
}
}
}
public function generate(event: Event): void {
// それぞれのレイヤーのスクロール速度
Tbl[0].x += 0.1;
Tbl[0].y += 0.35;
Tbl[1].x += -0.35;
Tbl[1].y += 1.05;
Tbl[2].x +=-0.05;
Tbl[2].y += 0.825;
Tbl[3].x += 0.1;
Tbl[3].y += 0.455;
heightMap.perlinNoise(50,50,4,0,true,true, 4, false, Tbl);
// solarize:
heightMap.paletteMap(heightMap, new Rectangle(0,0,heightMap.width,heightMap.height), new Point(0,0), null, null, palette, null);
}
}
}