forked from: flash on 2009-2-12
25-Line ActionScript Contest Entry
Project: Flight 25
Author: Petri Leskinen, leskinen.petri[at]luukku.com, http://pixelero.wordpress.com
Date: 10 January 2009
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY C
// forked from h_sakurai's flash on 2009-2-12
/**
* 25-Line ActionScript Contest Entry
*
* Project: Flight 25
* Author: Petri Leskinen, leskinen.petri[at]luukku.com, http://pixelero.wordpress.com
* Date: 10 January 2009
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
// 3 free lines! Alter the parameters of the following lines or remove them.
// Do not substitute other code for the three lines in this section
package {
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.filters.*;
public class FlashTest extends Sprite {
public function FlashTest() {
[SWF(width=800, height=450, backgroundColor=0xE8F0F8, frameRate=25)]
stage.align = StageAlign.TOP;
stage.scaleMode = StageScaleMode.NO_BORDER;
// 25 lines begins here!
var n:int = 32, m:int = 32, vertices:Vector.<Number> = new Vector.<Number>(), indices:Vector.<int> = new Vector.<int>(),uvtData:Vector.<Number> = new Vector.<Number>(), projectedVerts:Vector.<Number> = new Vector.<Number>(n*m*4), perlinTerrain:BitmapData =new BitmapData(n,m,false),heightGradient:BitmapData = new BitmapData(288,2,false,0xE8F0F8), newBitmap:BitmapData = heightGradient.clone(),perlinPoint:Point = new Point(), i:int, j:int, ii:int=0, ij:int, ix:Number, iy:Number, tmp:Number, phase:Number=0.0, projectionMatrix:Matrix3D,rotAngle:Number = 0.25*Math.PI;
heightGradient.setVector( new Rectangle(0, 0, heightGradient.width, 1), Vector.<uint>([0xebe9da, 0xebe1db, 0xe9e9da, 0xebe3cf, 0xe9ebce, 0xebe9cd, 0xe9e9cd, 0xe3e1cb, 0xebe3ca, 0xe3e9c9, 0xe1e9cb, 0xe1e9cf, 0xe3e3cf, 0xe1e3c5, 0xe9ebc5, 0xebe3c3, 0xe1ebc3, 0xebe3ca, 0xe1dfcb, 0xebdfca, 0xe1ddbf, 0xe1ddbf, 0xe1dbbf, 0xe3dbbe, 0xe3dbbb, 0xebdaba, 0xe3dfb9, 0xebdfba, 0xe9d5b7, 0xebddbe, 0xe1dbbf, 0xe1dbb7, 0xebd3bf, 0xe3dab6, 0xe3dab4, 0xebdbbd, 0xe1d3bf, 0xe9d3b4, 0xe9dbb6, 0xebdbb5, 0xe9d2b6, 0xe9dbbd, 0xe3dbb5,0xebdabe,0xebd2b6, 0xe9dab6, 0xe1d3bd, 0xebd2b5, 0xe3d2bc, 0xdbcaaf, 0xd5caa7, 0xcfbb9e, 0xcbb39c, 0xc3aa8e, 0xbda28d, 0xbf9a7c, 0xb39a74, 0xab8b6d, 0xa5826c, 0x9f7b5d, 0x997255, 0x9b6b4d, 0x8d624e, 0x875a3c, 0x875a3c, 0x885b3f, 0x8b5d3e, 0x8a5f3f, 0x8b5e48, 0x8c5f41, 0x8d604a, 0x8e6143, 0x8f6a4f, 0x92634f, 0x91644f, 0x926547, 0x936f48, 0x9e6f49, 0x9f684a, 0x96694b, 0x966b4b, 0x936f49, 0x8c6f4f, 0x876b47, 0x82634b, 0x7d5f4b, 0x7a5f3f, 0x735b3d, 0x6e5b3b, 0x6b5f3b, 0x6c5f37, 0x5f5335, 0x5a5933, 0x574f33,0x5a4d2f,0x4b4b2d,0x4b4b2d,0x4b4b2d,0x4f472f,0x474d2f,0x43432d,0x41492f,0x3f3f2d,0x3d3d2d, 0x3b3b2d, 0x393b2f, 0x37372d, 0x3f372d, 0x33332d, 0x3b332d, 0x2f2f2f, 0x2f2d2f, 0x2d2d2f, 0x2c302c, 0x2b332b, 0x2a3e2a, 0x2b3b2b, 0x2a3e29, 0x2f3f2f, 0x264a27, 0x274f25, 0x24482f, 0x2b4b23, 0x224f2a, 0x215121, 0x2a5622, 0x1f5f1f, 0x1e5a1f, 0x1e5b1f, 0x225b23, 0x265f2c, 0x2a5d27, 0x2e5e2b, 0x3a5f2f, 0x3e683b, 0x3a6933, 0x3e6a3e, 0x42633b, 0x4e643f, 0x4a6f3f, 0x4e674a, 0x5a6745, 0x5e6848, 0x5a6b4b, 0x5a694b, 0x5a6f57, 0x5a7f5f, 0x5a7b62, 0x5a8162, 0x5a8768, 0x5a8f70, 0x5a9374, 0x729970, 0x6F9f62, 0x72ad60, 0x7aab6f, 0x95Ab80,0x6ed5de, 0x5acbdb, 0x5abdcb, 0x5ac3db, 0x5ebbcf, 0x5abbcf, 0x4eabc9, 0x4aabcf, 0x5eabd3, 0x4a93c0, 0x3e8bbd, 0x3a8bba, 0x3e7bb7, 0x3273b6, 0x2e6bb1, 0x2a6bae, 0x3e6bbb, 0x2a5baa, 0x1e4ba7, 0x1e4baf, 0x1e4baa, 0x1e4b9f, 0x1e4a9e, 0x1e4799, 0x1e4696, 0x1e4f9b, 0x1e4f90, 0x1e4b8d, 0x1e4a8b, 0x1e498f, 0x1e4887, 0x1e3f89, 0x1e3f7f, 0x1e3f7b, 0x1e3f7a, 0x1e3e79, 0x1f3f78, 0x203e7a,0x2b3c7a,0x223c79,0x2b3d79,0x2e3f79,0x2d3d79,0x263c7a,0x273d79,0x283e78,0x293e78, 0x2a3d78, 0x2b3c7a, 0x2c3d7b, 0x2d3d78, 0x2f3f78, 0x2e3d7b, 0x2b3e7b, 0x2a3f79, 0x294978, 0x2a4b7a, 0x27427a, 0x264b79, 0x2d447a, 0x2c4d7b, 0x2b4f7a, 0x2a4778, 0x294879, 0x204979, 0x1f4b79, 0x1e4b7b, 0x1e4b79, 0x1e4d79, 0x1e4d7a, 0x1e4f7b, 0x1e4f7d, 0x1e587d, 0x1e537f, 0x1e537f, 0x1e5b81, 0x1e5489, 0x1e5d8b, 0x1e5f83, 0x1e5f85, 0x1e5985, 0x1e5b8f, 0x1e5b87, 0x1e5a8f, 0x1e5a86, 0x1e5e85, 0x1e5f8d, 0x1e5283, 0x1e5b8a, 0x1e4e8b, 0x1e4d8a, 0x1e4b7f, 0x1e4a7e, 0x1e477f, 0x1e457f, 0x1e437b, 0x1e407a, 0x1e3e79, 0x1e3d7a, 0x1e3c78, 0x2b477f, 0x3a5b8f, 0x455d8f, 0x5a6a96, 0x5f7b9b, 0x6e7eaa, 0x798ba9, 0x8694b1, 0x939fb7, 0xaaabbe, 0xadbfc7, 0xbac2cd, 0xcfcbd3, 0xdcd6db, 0xebebeb, 0xe9e3e1, 0xe0e3e8, 0xdfdfdf, 0xdedfde, 0xdddfdd, 0xdcdddf, 0xdbdbdb, 0xdadbda, 0xd9dbd9, 0xd8d9d8, 0xdfd7d7, 0xdedede, 0xd7dddd, 0xd4d6dd, 0xd3d3db, 0xdad2d2]));
x=stage.stageWidth/2.0;
y=stage.stageHeight/2.0;
for (i = 0 ; i != n; i++) for (j = 0 ; j != m; j++) {
vertices.push((ix= 1.0001 - i / (n - 1))+(iy= j/(m-1)-1.0),0.0,ix-iy,iy+ix,-0.2, ix-iy );
uvtData.push( j / m, 0.9 * (tmp=Math.max(1.0 - j / m, 1.0 - i / n)), 1.0, 0.99, tmp, 1.0);
}
for (i=0 ; i!=n-1; ++i) {
for (j=0 ; j!=m-1; ++j) indices.push( ii,ii+m+m+2,ii+2,ii+m+m, ii+m+m +2, ii ,++ii,ii+2 ,ii+m+m+2 ,ii+m+m , ii , (++ii)+m+m + 2);
ii+=2;
}
addEventListener(Event.ENTER_FRAME, function update(e:Event = null, ii:int=0):void {
perlinTerrain.perlinNoise(n, m, 5, 11, false, true, 4, false, [ perlinPoint = new Point( perlinPoint.x -= 0.5 * Math.sin(rotAngle = (15.0 * rotAngle + Math.max(-0.5, Math.min((tmp = 0.5*Math.PI * ((i = perlinTerrain.getPixel(n - 3, m - 1) + perlinTerrain.getPixel(n - 2, m - 1)) - 0x70) / (i - (perlinTerrain.getPixel(n - 1, m - 3) + perlinTerrain.getPixel(n - 1, m - 2)) +0.01) ),2.0))) / 16.0),perlinPoint.y -= 0.5 * Math.cos(rotAngle)),perlinPoint, perlinPoint, perlinPoint, perlinPoint ]);
ij = ( (ij = perlinTerrain.getPixel(n - 1, m - 1)) > 128) ? 128-20 : ij -20;
tmp = 1.0 / (1.2 + Math.sin(0.333*(phase += 0.02)));
for (i=0 ; i!=n; i++) for (j = 0 ; j != m; j++) {
vertices[ii + 1] = Math.min(0.1,Math.pow((uvtData[ii] = perlinTerrain.getPixel(i, j) / 0xFF),tmp) - Math.pow(ij / 0xFF, tmp)) ;
uvtData[ii + 3] = 1.0 - (0.15+0.05*Math.cos(phase)) * uvtData[(ii += 6)-6];
}
(projectionMatrix = new PerspectiveProjection().toMatrix3D()).appendRotation(-12.0 * (rotAngle-Math.PI/4) / Math.PI, Vector3D.Z_AXIS);
Utils3D.projectVectors(projectionMatrix, vertices,projectedVerts, uvtData);
newBitmap.applyFilter(heightGradient, heightGradient.rect,new Point(), new ColorMatrixFilter([1.0, tmp=0.2+0.25*Math.cos(phase), tmp, 0, -tmp*(0xF0+0xF8),tmp*=1.0,1.0,tmp, 0, -tmp*(0xE8+0xF8),tmp*=0.7,tmp,1.0, 0, -tmp*(0xE8+0xF0),0.0, 0.0, 0.0, 1.0, 0.0]));
graphics.clear();
graphics.beginBitmapFill(newBitmap, null, false, true);
graphics.drawTriangles(projectedVerts,indices,uvtData, TriangleCulling.POSITIVE);
} );
// 25 lines ends here!
}
}
}