forked from: flash on 2009-6-17
/**
* Copyright chocolife ( http://wonderfl.net/user/chocolife )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/sGx6
*/
package
{
import flash.net.*;
import flash.events.*;
import flash.system.Security
import org.papervision3d.view.*
import org.papervision3d.objects.*;
import org.papervision3d.materials.*
import org.papervision3d.objects.primitives.*
import org.papervision3d.core.geom.*;
import org.papervision3d.core.geom.renderables.*;
import org.papervision3d.materials.special.ParticleMaterial;
import org.papervision3d.objects.special.ParticleField;
import org.papervision3d.materials.utils.MaterialsList;
import net.hires.debug.Stats;
public class PlotLab extends BasicView
{
private var world:BasicView = new BasicView();
private var pChips:Particles = new Particles("pChips");
private var isMouseDown:Boolean = false;
private var oldX:Number = 0;
private var oldY:Number = 0;
private var nowX:Number = 0;
private var nowY:Number = 0;
private var targetRot:Number = 180;
private var targetPitch:Number = 90;
private var rot:Number = 0;
private var pitch:Number = 0;
public function PlotLab():void {
// via http://5ivestar.org/blog/2008/12/wonderfl-webproxy/
// Thanks!!
Security.loadPolicyFile("http://5ivestar.org/proxy/crossdomain.xml");
addChild(new Stats({bg: 0x000000, fps: 0xC0C0C0, ms: 0x505050, mem: 0x707070, memmax: 0xA0A0A0}));
world.startRendering();
addChild(world);
var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, completeHandler);
//rewrite the URL according to your environment
loader.load(new URLRequest("http://5ivestar.org/proxy/http://files.getdropbox.com/u/271700/gamut_AdobeRGB.txt"));
var line_mat:WireframeMaterial = new WireframeMaterial(0xAAAAAA);
line_mat.doubleSided = true;
var line_a:Plane = new Plane(line_mat, 1, 1000, 1, 1);
world.scene.addChild(line_a);
line_a.y = -250;
line_a.rotationZ = 90;
var line_b:Plane = new Plane(line_mat, 1, 1000, 1, 1);
world.scene.addChild(line_b);
line_b.y = -250;
line_b.rotationX = 90;
world.scene.addChild(pChips);
stage.addEventListener(Event.ENTER_FRAME, enterFarme);
stage.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
stage.addEventListener(MouseEvent.MOUSE_UP, upHandler);
stage.addEventListener(MouseEvent.MOUSE_MOVE, moveHandler);
}
private function completeHandler(event:Event):void {
var lab_colors:Array = [];
var coordinates:Array = [];
var rgb:Object = {};
var xyz:Object = {};
var plot_color:String;
lab_colors = event.target.data.split('\r');
for (var i:Number = 0; i < lab_colors.length-1; i++) {
coordinates = lab_colors[i].split('\t');
xyz = lab2xyz(coordinates[2], coordinates[0], coordinates[1]);
rgb = xyz2rgb(xyz.x, xyz.y, xyz.z);
plot_color = toHexRgb(rgb);
var particleMat:ParticleMaterial = new ParticleMaterial(parseInt(plot_color), 1)
var pt:Particle = new Particle(particleMat, 5, coordinates[0]*5, (coordinates[2]-50)*5, coordinates[1]*5);
pChips.addParticle(pt);
}
}
private function enterFarme(e:Event):void {
// easing: (target - current) * deceleration
rot += (targetRot - rot) * 0.05;
pitch += (targetPitch - pitch) * 0.05;
pitch = Math.max(pitch, -90);
pitch = Math.min(pitch, 90);
world.camera.x = 1000 * Math.sin(rot * Math.PI / 180);
world.camera.z = 1000 * Math.cos(rot * Math.PI / 180);
world.camera.y = 1000 * Math.sin(pitch * Math.PI / 180);
//rot += 1.5;
}
private function downHandler(e:MouseEvent):void {
isMouseDown = true;
oldX = mouseX;
oldY = mouseY;
}
private function upHandler(e:MouseEvent):void {
isMouseDown = false;
}
private function moveHandler(e:MouseEvent):void {
if(isMouseDown){
var dx:Number = e.stageX - oldX;
var dy:Number = e.stageY - oldY;
targetRot += dx * 0.5;
targetPitch += dy * 0.5;
oldX = e.stageX;
oldY = e.stageY;
}
}
private function toHexRgb(rgb:Object):String {
var r:String = rgb.r.toString(16);
var g:String = rgb.g.toString(16);
var b:String = rgb.b.toString(16);
if (r.length == 1) r = '0' + r;
if (g.length == 1) g = '0' + g;
if (b.length == 1) b = '0' + b;
var ret:String = '0x' + r + g + b;
return ret;
}
private function lab2xyz( l:Number, a:Number, b:Number ):Object {
const REF_X:Number = 95.047; // Observer= 2ﾂｰ, Illuminant= D65
const REF_Y:Number = 100.000;
const REF_Z:Number = 108.883;
var y:Number = (l + 16) / 116;
var x:Number = a / 500 + y;
var z:Number = y - b / 200;
if ( Math.pow( y , 3 ) > 0.008856 ) { y = Math.pow( y , 3 ); }
else { y = ( y - 16 / 116 ) / 7.787; }
if ( Math.pow( x , 3 ) > 0.008856 ) { x = Math.pow( x , 3 ); }
else { x = ( x - 16 / 116 ) / 7.787; }
if ( Math.pow( z , 3 ) > 0.008856 ) { z = Math.pow( z , 3 ); }
else { z = ( z - 16 / 116 ) / 7.787; }
var xyz:Object = {x:0, y:0, z:0};
xyz.x = REF_X * x;
xyz.y = REF_Y * y;
xyz.z = REF_Z * z;
return xyz;
}
private function xyz2rgb(X:Number, Y:Number, Z:Number):Object {
var x:Number = X / 100;
var y:Number = Y / 100;
var z:Number = Z / 100;
var r:Number = x * 3.2406 + y * -1.5372 + z * -0.4986;
var g:Number = x * -0.9689 + y * 1.8758 + z * 0.0415;
var b:Number = x * 0.0557 + y * -0.2040 + z * 1.0570;
if ( r > 0.0031308 ) { r = 1.055 * Math.pow( r , ( 1 / 2.4 ) ) - 0.055; }
else { r = 12.92 * r; }
if ( g > 0.0031308 ) { g = 1.055 * Math.pow( g , ( 1 / 2.4 ) ) - 0.055; }
else { g = 12.92 * g; }
if ( b > 0.0031308 ) { b = 1.055 * Math.pow( b , ( 1 / 2.4 ) ) - 0.055; }
else { b = 12.92 * b; }
var rgb:Object = {r:0, g:0, b:0}
var tmp_r:Number = Math.min(r*255, 255);
var tmp_g:Number = Math.min(g*255, 255);
var tmp_b:Number = Math.min(b*255, 255);
rgb.r = Math.max(tmp_r, 0);
rgb.g = Math.max(tmp_g, 0);
rgb.b = Math.max(tmp_b, 0);
return rgb;
}
}
}