package com.ddd
{
import flash.display.Bitmap;
import flash.display.Sprite;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.geom.Matrix3D;
import flash.geom.Vector3D;
public class Triangles extends Sprite
{
private var points:Vector.<Points3D>;
private var triangle:Array=[];
private var vpX:Number=stage.stageWidth / 2;
private var vpY:Number=stage.stageHeight / 2;
[Embed(source="img/5.jpg")]
private var img:Class
private var bd:Bitmap;
public function Triangles()
{
stage.scaleMode=StageScaleMode.NO_SCALE;
init();
}
private function init():void
{
points=new Vector.<Points3D>;
points[0]=new Points3D(-100, -100, -100);
points[1]=new Points3D(100, -100, -100);
points[2]=new Points3D(100, 100, -100);
points[3]=new Points3D(-100, 100, -100);
points[4]=new Points3D(-100, -100, 100);
points[5]=new Points3D(100, -100, 100);
points[6]=new Points3D(100, 100, 100);
points[7]=new Points3D(-100, 100, 100);
for (var i:int=0; i < points.length; i++)
{
points[i].setVPoint(vpX, vpY);
points[i].setCenter(0,0,200);
}
/**
triangle[0]=new Triangle(points[0],points[1],points[2],0x660000);
triangle[1]=new Triangle(points[0],points[2],points[3],0x660000);
triangle[2]=new Triangle(points[0],points[4],points[5],0x006600);
triangle[3]=new Triangle(points[0],points[5],points[1],0x006600);
triangle[4]=new Triangle(points[0],points[3],points[7],0x000066);
triangle[5]=new Triangle(points[0],points[7],points[4],0x000066);
triangle[6]=new Triangle(points[6],points[1],points[2],0x666600);
triangle[7]=new Triangle(points[6],points[5],points[1],0x666600);
triangle[8]=new Triangle(points[6],points[4],points[5],0x006666);
triangle[9]=new Triangle(points[6],points[7],points[4],0x006666);
triangle[10]=new Triangle(points[6],points[7],points[3],0x660066);
triangle[11]=new Triangle(points[6],points[3],points[2],0x660066);
*/
triangle[0]=new Triangle(points[0], points[1], points[2], 0x6666cc);
triangle[1]=new Triangle(points[0], points[2], points[3], 0x6666cc);
// top
triangle[3]=new Triangle(points[0], points[5], points[1], 0x66cc66);
triangle[2]=new Triangle(points[0], points[4], points[5], 0x66cc66);
//back
triangle[5]=new Triangle(points[4], points[6], points[5], 0xcc6666);
triangle[4]=new Triangle(points[4], points[7], points[6], 0xcc6666);
// bottom
triangle[6]=new Triangle(points[3], points[2], points[6], 0xcc66cc);
triangle[7]=new Triangle(points[3], points[6], points[7], 0xcc66cc);
// right
triangle[8]=new Triangle(points[1], points[5], points[6], 0x66cccc);
triangle[9]=new Triangle(points[1], points[6], points[2], 0x66cccc);
// left
triangle[10]=new Triangle(points[4], points[0], points[3], 0xcccc66);
triangle[11]=new Triangle(points[4], points[3], points[7], 0xcccc66);
bd=new img;
this.addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
private function onEnterFrame(e:Event):void
{
var angleX:Number=(mouseY - vpY) * .001;
var angleY:Number=(mouseX - vpX) * .001;
for (var i:int=0; i < points.length; i++)
{
var p:Points3D=points[i];
p.rotateX(angleX);
p.rotateY(angleY);
}
triangle.sortOn("depth", Array.DESCENDING | Array.NUMERIC);
graphics.clear();
for (i=0; i < triangle.length; i++)
{
triangle[i].draw(graphics,bd.bitmapData.clone());
}
}
}
}
package com.ddd
{
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Graphics;
import flash.geom.Matrix;
import flash.geom.Point;
public class Triangle
{
private var color:uint=0;
private var pA:Points3D;
private var pB:Points3D;
private var pC:Points3D;
public var bd:Bitmap;
public function Triangle(_pA:Points3D, _pC:Points3D, _pB:Points3D, _color:uint=0xcccccc)
{
pA=_pA;
pB=_pB;
pC=_pC;
color=_color;
}
public function get depth():Number
{
return Math.min(pA.z, pB.z, pC.z);
}
public function draw(g:Graphics, _bd:BitmapData):void
{
if (isBackFacil())
{
return;
}
/*
var matrix:Matrix=new Matrix;
var x:Number=(pC.screenX-pA.screenX)*.01;
var y:Number=(pC.screenY-pA.screenY)*.01;
//g.beginFill(color);
g.beginBitmapFill(_bd,new Matrix(1,x,y,1,pA.screenX,pA.screenY),false,true);
g.lineStyle(0);
g.moveTo(pA.screenX, pA.screenY);
g.lineTo(pB.screenX, pB.screenY);
g.lineTo(pC.screenX, pC.screenY);
g.lineTo(pA.screenX, pA.screenY);
*/
var v:Vector.<Number>=new Vector.<Number>;
v.push(pA.screenX, pA.screenY);
v.push(pB.screenX, pB.screenY);
v.push(pC.screenX, pC.screenY);
var i:Vector.<int>=new Vector.<int>;
i.push(0, 1, 2);
var uv:Vector.<Number>=new Vector.<Number>;
uv.push(0, 0);
uv.push(1, 0);
uv.push(1, 1);
g.lineStyle(0);
g.beginBitmapFill(_bd);
g.drawTriangles(v, i,uv);
g.endFill();
}
public function isBackFacil():Boolean
{
var cax:Number=pC.screenX - pA.screenX;
var cay:Number=pC.screenY - pA.screenY;
var bcax:Number=pB.screenX - pC.screenX;
var bcay:Number=pB.screenY - pC.screenY;
return cax * bcay > cay * bcax;
}
}
}
package com.ddd
{
public class Points3D
{
public var fl:Number=250;
private var vpX:Number=0;
private var vpY:Number=0;
private var cx:Number=0;
private var cy:Number=0;
private var cz:Number=0;
public var x:Number=0;
public var y:Number=0;
public var z:Number=0;
public function Points3D(_x:Number=0, _y:Number=0, _z:Number=0)
{
x=_x;
y=_y;
z=_z;
}
public function setCenter(_cx:Number, _cy:Number, _cz:Number):void
{
cx=_cx;
cy=_cy;
cz=_cz;
}
public function setVPoint(_vpx:Number, _vpy:Number):void
{
vpX=_vpx;
vpY=_vpy;
}
public function get screenX():Number
{
var scale:Number=fl / (fl + cz + z);
return vpX + cx + x * scale;
}
public function get screenY():Number
{
var scale:Number=fl / (fl + cz + z);
return vpY + cy + y * scale;
}
public function rotateX(_angle:Number):void
{
var y1:Number=Math.cos(_angle) * y - Math.sin(_angle) * z;
var z1:Number=Math.cos(_angle) * z + Math.sin(_angle) * y;
y=y1;
z=z1;
}
public function rotateY(_angle:Number):void
{
var x1:Number=Math.cos(_angle) * x - Math.sin(_angle) * z;
var z1:Number=Math.cos(_angle) * z + Math.sin(_angle) * x;
x=x1;
z=z1;
}
public function rotateZ(_angle:Number):void
{
var x1:Number=Math.cos(_angle) * x - Math.sin(_angle) * y;
var y1:Number=Math.cos(_angle) * y + Math.sin(_angle) * x;
x=x1;
y=y1;
}
}
}
