个人学习flash
1 import fl.events.SliderEvent;
2 import fl.controls.CheckBox;
3 imgselect.setStyle("textFormat",new TextFormat("宋体",14,0xffffff));
4 var sp:Sprite =addChild(new Sprite()) as Sprite;
5 sp.x=stage.stageWidth/2;
6 sp.y=stage.stageHeight/2;
7 sp.z=0;
8 var mypic:Pic=new Pic(0,0);
9 var i_num:int=30;//环切片分割数
10 var j_num:int=20;//切片内扇形数
11 var R:Number=0;//环的半径
12 var r:Number=60;//切片的半径
13 var i:int;
14 var j:int;
15 var arr3D:Vector.<Number>;
16 var new_arr3D:Vector.<Number>;//
17 var arr2D:Vector.<Number>;
18 var uvt:Vector.<Number>;
19 var vindicies:Vector.<int>;
20 var mtxworld:Matrix3D=new Matrix3D();//改变点坐标的矩阵
21 var pm:Matrix3D=sp.transform.matrix3D;//实现投影转换的投影 Matrix3D 对象
22 pm.prependTranslation(-137.5,-100,0);
23
24 var Rotation:Boolean;
25 var f:Number=1000;
26 var _oldMousePoint:Point=new Point ;
27 init(R,r,i_num,j_num);
28 function init(R:Number=120,r:Number=30,i_num:int=30,j_num:int=20) {
29 arr3D=new Vector.<Number>();
30 arr2D=new Vector.<Number>();
31 new_arr3D=Vector.<Number>([]);
32 uvt=Vector.<Number>([]);
33 vindicies=Vector.<int>([]);
34 for (i=0; i<=i_num; i++) {
35 for (j=0; j<=j_num; j++) {
36 var temp_x:Number =-(R+r*Math.cos(j*(2*Math.PI/j_num)))*Math.cos(i*(2*Math.PI/i_num));
37 var temp_z:Number=-r*Math.sin(j*(2*Math.PI/j_num));//trace("j="+j+",y="+temp_y)
38 var temp_y:Number=-(R+r*Math.cos(j*(2*Math.PI/j_num)))*Math.sin(i*(2*Math.PI/i_num));
39 arr3D.push(temp_x,temp_y,temp_z);
40 uvt.push(i/i_num,j/j_num,1);//f/(f+100+temp_z)
41 }
42 }
43 for (i=0; i<i_num; i++) {
44 for (j=0; j<j_num; j++) {
45 vindicies.push(i*(j_num+1)+j,i*(j_num+1)+(j+1),(i+1)*(j_num+1)+(j+1),(i+1)*(j_num+1)+(j+1),(i+1)*(j_num+1)+j,i*(j_num+1)+j);
46 }
47 }
48 render(imgselect.selected);
49 auto_btn.addEventListener(MouseEvent.CLICK, autoHandler);
50 hand_btn.addEventListener(MouseEvent.CLICK, handHandler);
51 mov_btn.addEventListener(MouseEvent.CLICK, movHandler);
52 }
53
54
55
56
57 function render(isFill:Boolean=true,degreX:Number=0,degreY:Number=0,degreZ:Number=0,TranslationX:Number=0,TranslationY:Number=0,TranslationZ:Number=0) {
58 mtxworld.appendRotation(degreX/1,Vector3D.X_AXIS);//后置增量旋转
59 mtxworld.appendRotation(degreY/1,Vector3D.Y_AXIS);
60 mtxworld.appendRotation(degreZ/1,Vector3D.Z_AXIS);
61 mtxworld.appendTranslation(TranslationX,TranslationY,TranslationZ);
62 mtxworld.transformVectors(arr3D,new_arr3D);//new_arr3D获取旋转后的坐标以便得到Z值设置层深
63 Utils3D.projectVectors(pm, new_arr3D, arr2D, uvt);
64 var Z:Array=[];
65 var tempInd:Vector.<int>=new Vector.<int>();//放置重新排列后的画三角形的顺序
66 for (var k=0; k<vindicies.length; k+=3) {
67 var ind:Vector.<int>=vindicies.slice(k,k+3);
68 //vindicies数组中每三个元素一组,绘制成为一个三角形ind
69 //该三角形ind得Z值为三个顶点的平均值;
70 var d:Number=new_arr3D[ind[0]*3+2]+new_arr3D[ind[1]*3+2]+new_arr3D[ind[2]*3+2];
71 Z.push({d:d,ind:ind});
72 }
73 Z.sortOn("d",Array.NUMERIC |Array.DESCENDING );//按数值降序排列,大的先绘制在里,小的后绘制在外
74 for (i=0; i<Z.length; i++) {
75 for (j=0; j<3; j++) {
76 tempInd.push(Z[i].ind[j]);//重新排列所有三角形的顺序
77 }
78 }
79 sp.graphics.clear();
80 //sp.graphics.lineStyle(1,0xffffff);
81 isFill?sp.graphics.beginBitmapFill(mypic,null,false):sp.graphics.lineStyle(1,0xffffff);
82 sp.graphics.drawTriangles(arr2D,tempInd,uvt,TriangleCulling.POSITIVE);//
83 //sp.graphics.beginBitmapFill(mypic,null,false);
84 //sp.graphics.drawTriangles(arr2D,tempInd,uvt,TriangleCulling.NEGATIVE);//
85 }
86
87
88
89
90 function autoHandler(e:Event ):void {
91 auto_btn.enabled=false;
92 hand_btn.enabled=true;
93 mov_btn.enabled=true;
94 stage.addEventListener(Event.ENTER_FRAME, autoloopHandler);
95 sp.removeEventListener(MouseEvent.MOUSE_DOWN, downHandler);
96
97 }
98 function handHandler(e:Event ):void {
99 Rotation=true;
100 auto_btn.enabled=true;
101 hand_btn.enabled=false;
102 mov_btn.enabled=true;
103 stage.removeEventListener(Event.ENTER_FRAME, autoloopHandler);
104 sp.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
105
106 }
107 function movHandler(e:Event ):void {
108 Rotation=false;
109 auto_btn.enabled=true;
110 hand_btn.enabled=true;
111 mov_btn.enabled=false;
112 stage.removeEventListener(Event.ENTER_FRAME, autoloopHandler);
113 sp.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
114
115 }
116
117 function autoloopHandler(e:Event ):void {
118 render(imgselect.selected,Math.random ()*10,Math.random ()*10,Math.random ()*10);
119 }
120 function downHandler(e:Event ):void {
121 Mouse.cursor=MouseCursor.HAND;
122 _oldMousePoint.x=mouseX;
123 _oldMousePoint.y=mouseY;
124 stage.addEventListener(Event.ENTER_FRAME, loopHandler);
125 stage.addEventListener(MouseEvent.MOUSE_UP, upHandler);
126 }
127
128 function loopHandler(e:Event ):void {
129 if (Rotation) {
130 render(imgselect.selected,mouseY-_oldMousePoint.y,-(mouseX-_oldMousePoint.x));
131 } else {
132 render(imgselect.selected,0,0,0,mouseX-_oldMousePoint.x,mouseY-_oldMousePoint.y,0);
133 }
134 _oldMousePoint.x=mouseX;
135 _oldMousePoint.y=mouseY;
136 }
137
138 function upHandler(e:Event ):void {
139 Mouse.cursor=MouseCursor.AUTO;
140 stage.removeEventListener(Event.ENTER_FRAME, loopHandler);
141
142 }
143 imgselect.addEventListener(MouseEvent.CLICK, sliderDrag);
144 i_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
145 j_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
146 r_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
147 R_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
148 function sliderDrag(e):void {//:SliderEvent
149 init(R_slider.value,r_slider.value,i_slider.value,j_slider.value);
150 i_txt.text=String(i_slider.value)
151 j_txt.text=String(j_slider.value)
152
153 }
2 import fl.controls.CheckBox;
3 imgselect.setStyle("textFormat",new TextFormat("宋体",14,0xffffff));
4 var sp:Sprite =addChild(new Sprite()) as Sprite;
5 sp.x=stage.stageWidth/2;
6 sp.y=stage.stageHeight/2;
7 sp.z=0;
8 var mypic:Pic=new Pic(0,0);
9 var i_num:int=30;//环切片分割数
10 var j_num:int=20;//切片内扇形数
11 var R:Number=0;//环的半径
12 var r:Number=60;//切片的半径
13 var i:int;
14 var j:int;
15 var arr3D:Vector.<Number>;
16 var new_arr3D:Vector.<Number>;//
17 var arr2D:Vector.<Number>;
18 var uvt:Vector.<Number>;
19 var vindicies:Vector.<int>;
20 var mtxworld:Matrix3D=new Matrix3D();//改变点坐标的矩阵
21 var pm:Matrix3D=sp.transform.matrix3D;//实现投影转换的投影 Matrix3D 对象
22 pm.prependTranslation(-137.5,-100,0);
23
24 var Rotation:Boolean;
25 var f:Number=1000;
26 var _oldMousePoint:Point=new Point ;
27 init(R,r,i_num,j_num);
28 function init(R:Number=120,r:Number=30,i_num:int=30,j_num:int=20) {
29 arr3D=new Vector.<Number>();
30 arr2D=new Vector.<Number>();
31 new_arr3D=Vector.<Number>([]);
32 uvt=Vector.<Number>([]);
33 vindicies=Vector.<int>([]);
34 for (i=0; i<=i_num; i++) {
35 for (j=0; j<=j_num; j++) {
36 var temp_x:Number =-(R+r*Math.cos(j*(2*Math.PI/j_num)))*Math.cos(i*(2*Math.PI/i_num));
37 var temp_z:Number=-r*Math.sin(j*(2*Math.PI/j_num));//trace("j="+j+",y="+temp_y)
38 var temp_y:Number=-(R+r*Math.cos(j*(2*Math.PI/j_num)))*Math.sin(i*(2*Math.PI/i_num));
39 arr3D.push(temp_x,temp_y,temp_z);
40 uvt.push(i/i_num,j/j_num,1);//f/(f+100+temp_z)
41 }
42 }
43 for (i=0; i<i_num; i++) {
44 for (j=0; j<j_num; j++) {
45 vindicies.push(i*(j_num+1)+j,i*(j_num+1)+(j+1),(i+1)*(j_num+1)+(j+1),(i+1)*(j_num+1)+(j+1),(i+1)*(j_num+1)+j,i*(j_num+1)+j);
46 }
47 }
48 render(imgselect.selected);
49 auto_btn.addEventListener(MouseEvent.CLICK, autoHandler);
50 hand_btn.addEventListener(MouseEvent.CLICK, handHandler);
51 mov_btn.addEventListener(MouseEvent.CLICK, movHandler);
52 }
53
54
55
56
57 function render(isFill:Boolean=true,degreX:Number=0,degreY:Number=0,degreZ:Number=0,TranslationX:Number=0,TranslationY:Number=0,TranslationZ:Number=0) {
58 mtxworld.appendRotation(degreX/1,Vector3D.X_AXIS);//后置增量旋转
59 mtxworld.appendRotation(degreY/1,Vector3D.Y_AXIS);
60 mtxworld.appendRotation(degreZ/1,Vector3D.Z_AXIS);
61 mtxworld.appendTranslation(TranslationX,TranslationY,TranslationZ);
62 mtxworld.transformVectors(arr3D,new_arr3D);//new_arr3D获取旋转后的坐标以便得到Z值设置层深
63 Utils3D.projectVectors(pm, new_arr3D, arr2D, uvt);
64 var Z:Array=[];
65 var tempInd:Vector.<int>=new Vector.<int>();//放置重新排列后的画三角形的顺序
66 for (var k=0; k<vindicies.length; k+=3) {
67 var ind:Vector.<int>=vindicies.slice(k,k+3);
68 //vindicies数组中每三个元素一组,绘制成为一个三角形ind
69 //该三角形ind得Z值为三个顶点的平均值;
70 var d:Number=new_arr3D[ind[0]*3+2]+new_arr3D[ind[1]*3+2]+new_arr3D[ind[2]*3+2];
71 Z.push({d:d,ind:ind});
72 }
73 Z.sortOn("d",Array.NUMERIC |Array.DESCENDING );//按数值降序排列,大的先绘制在里,小的后绘制在外
74 for (i=0; i<Z.length; i++) {
75 for (j=0; j<3; j++) {
76 tempInd.push(Z[i].ind[j]);//重新排列所有三角形的顺序
77 }
78 }
79 sp.graphics.clear();
80 //sp.graphics.lineStyle(1,0xffffff);
81 isFill?sp.graphics.beginBitmapFill(mypic,null,false):sp.graphics.lineStyle(1,0xffffff);
82 sp.graphics.drawTriangles(arr2D,tempInd,uvt,TriangleCulling.POSITIVE);//
83 //sp.graphics.beginBitmapFill(mypic,null,false);
84 //sp.graphics.drawTriangles(arr2D,tempInd,uvt,TriangleCulling.NEGATIVE);//
85 }
86
87
88
89
90 function autoHandler(e:Event ):void {
91 auto_btn.enabled=false;
92 hand_btn.enabled=true;
93 mov_btn.enabled=true;
94 stage.addEventListener(Event.ENTER_FRAME, autoloopHandler);
95 sp.removeEventListener(MouseEvent.MOUSE_DOWN, downHandler);
96
97 }
98 function handHandler(e:Event ):void {
99 Rotation=true;
100 auto_btn.enabled=true;
101 hand_btn.enabled=false;
102 mov_btn.enabled=true;
103 stage.removeEventListener(Event.ENTER_FRAME, autoloopHandler);
104 sp.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
105
106 }
107 function movHandler(e:Event ):void {
108 Rotation=false;
109 auto_btn.enabled=true;
110 hand_btn.enabled=true;
111 mov_btn.enabled=false;
112 stage.removeEventListener(Event.ENTER_FRAME, autoloopHandler);
113 sp.addEventListener(MouseEvent.MOUSE_DOWN, downHandler);
114
115 }
116
117 function autoloopHandler(e:Event ):void {
118 render(imgselect.selected,Math.random ()*10,Math.random ()*10,Math.random ()*10);
119 }
120 function downHandler(e:Event ):void {
121 Mouse.cursor=MouseCursor.HAND;
122 _oldMousePoint.x=mouseX;
123 _oldMousePoint.y=mouseY;
124 stage.addEventListener(Event.ENTER_FRAME, loopHandler);
125 stage.addEventListener(MouseEvent.MOUSE_UP, upHandler);
126 }
127
128 function loopHandler(e:Event ):void {
129 if (Rotation) {
130 render(imgselect.selected,mouseY-_oldMousePoint.y,-(mouseX-_oldMousePoint.x));
131 } else {
132 render(imgselect.selected,0,0,0,mouseX-_oldMousePoint.x,mouseY-_oldMousePoint.y,0);
133 }
134 _oldMousePoint.x=mouseX;
135 _oldMousePoint.y=mouseY;
136 }
137
138 function upHandler(e:Event ):void {
139 Mouse.cursor=MouseCursor.AUTO;
140 stage.removeEventListener(Event.ENTER_FRAME, loopHandler);
141
142 }
143 imgselect.addEventListener(MouseEvent.CLICK, sliderDrag);
144 i_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
145 j_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
146 r_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
147 R_slider.addEventListener(SliderEvent.THUMB_DRAG, sliderDrag);
148 function sliderDrag(e):void {//:SliderEvent
149 init(R_slider.value,r_slider.value,i_slider.value,j_slider.value);
150 i_txt.text=String(i_slider.value)
151 j_txt.text=String(j_slider.value)
152
153 }
效果如下:----------------------------------------