3dgraphics1_toushi.c

计算机图形学

      k = k - 100;

    }
   X = C1.x; Y = C1.y; Z = C1.z;
   i = X; j = Y;
   while(j<=C2.y)
   {
      while(i>=C4.x)
      {
          Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
         putpixel(X,Y,8);
         i--;
         X = i;Y = j;Z = C1.z;
      }
      j++;
      X = C1.x; Y = j;Z = C1.z; i = X;
   }





   X = B1.x; Y = B1.y; Z = B1.z;        /* 长方体 */

   i = X; j = Y;

   while(j <= B2.y)
   {
      while(i >= B4.x)
     {
      Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
          putpixel(X,Y,8);
      i--;
      X = i; Y = j; Z = B1.z;
      }
      j++;
      X = B1.x; Y = j; Z = B1.z;i = X;
    }


    X = B1.x; Y = B1.y; Z = B1.z;
    i = X; k = Z;
    while(i>=B4.x)
    {
       while(k <= B5.z)
       {
           Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
          putpixel(X,Y,6);
          k++;
          X = i;Y = B1.y;Z = k;
       }
       i--;
       X = i; Y = B1.y;Z = B1.z;k = Z;
    }


     X = B1.x; Y = B1.y; Z = B1.z;
     j = Y;  k = Z;
    while(j <= B2.y)
    {
       while(k<=B5.z)
       {
           Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
          putpixel(X,Y,3);
          k++;
          X = B1.x;Y = j;Z = k;
       }
       j++;
       X = B1.x; Y = j;Z = B1.z; k = Z;
    }


    X = B5.x; Y = (B5.y+B6.y)/2.0 + 30; Z = (B5.z + B1.z)/2.0 + 30;/* 画窗*/
    j = Y; k = Z;
    while(j>=((B5.y + B6.y)/2.0 - 30))
    {
       while(k >= (B5.z + B1.z)/2.0 - 30)
       {
           Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
          putpixel(X,Y,15);
          k--;
          X = B1.x;Y = j;Z = k;
       }
       j--;
       X = B5.x; Y = j;Z = (B5.z + B1.z)/2.0 + 30;k = Z;
    }



    X = B5.x; Y = (B5.y+B6.y)/2.0+30; Z = (B5.z + B1.z)/2.0 + 30;/* 窗框 */
    k = Z;                                                    /* 三条竖线*/
    while(k>=(B5.z + B1.z)/2.0 - 30)
    {
         Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
         putpixel(X,Y,4);
         k--;
         X = B5.x; Y = (B5.y+B6.y)/2.0+30; Z = k;
    }


    X = B5.x; Y = (B5.y+B6.y)/2.0; Z = (B5.z + B1.z)/2.0 + 30;
    k = Z;
    while(k>=(B5.z + B1.z)/2.0 - 30)
    {
        Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
         putpixel(X,Y,4);
         k--;
         X = B5.x; Y = (B5.y+B6.y)/2.0; Z = k;
    }


    X = B5.x; Y = (B5.y+B6.y)/2.0-30; Z = (B5.z + B1.z)/2.0 + 30;
    k = Z;
    while(k>=(B5.z + B1.z)/2.0 - 30)
    {
         Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
         putpixel(X,Y,4);
         k--;
         X = B5.x; Y = (B5.y+B6.y)/2.0-30; Z = k;
    }


    X = B5.x; Y = (B5.y+B6.y)/2.0 + 30; Z = (B5.z + B1.z)/2.0+30; /* 框的两条横线*/
    j = Y;
    while(j>=(B5.y+B6.y)/2.0 - 30)
    {
        Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
         putpixel(X,Y,4);
         j--;
         X = B5.x; Y = j; Z = (B5.z + B1.z)/2.0+30;
    }

    X = B5.x; Y = (B5.y+B6.y)/2.0 + 30; Z = (B5.z + B1.z)/2.0-30;
    j = Y;
    while(j>=(B5.y+B6.y)/2.0 - 30)
    {
         Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
         putpixel(X,Y,4);
         j--;
         X = B5.x; Y = j; Z = (B5.z + B1.z)/2.0-30;
    }




    Cft1.A.x = B5.x+15;       /* 窗的台板 */
    Cft1.A.y = (B5.y+B6.y)/2.0;
    Cft1.A.z = ((B5.z + B1.z)/2.0) + 30;
    Cft1.a = 60;
    Cft1.b = 30;
    Cft1.h = 5;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);





    X = (B5.x + B8.x)/2.0 + 50; Y = B5.y; Z = B5.z;/*  画门*/
    i = X; k = Z;
    while(i>=((B5.x + B8.x)/2.0 - 50))
    {
       while(k >= B5.z - 100)
       {
           Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
          putpixel(X,Y,15);
          k--;
          X = i;Y = B5.y;Z = k;
       }
       i--;
       X = i; Y = B5.y;Z = B5.z;k = Z;
    }


    Cft1.A.x = (B5.x + B8.x)/2.0 + 50;
    Cft1.A.y = B5.y-25;
    Cft1.A.z = B5.z-50;
    Cft1.a = 50;
    Cft1.b = 5;
    Cft1.h = 100;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);

    Cft1.A.x = (B5.x + B8.x)/2.0 - 50;
    Cft1.A.y = B5.y-25;
    Cft1.A.z = B5.z-50;
    Cft1.a = 50;
    Cft1.b = 5;
    Cft1.h = 100;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);






    Cft1.A.x = B1.x-10;                     /*   柱子*/
    Cft1.A.y = C1.y+20;
    Cft1.A.z = C1.z - h/2.0;
    Cft1.a = 25;
    Cft1.b = 25;
    Cft1.h = h;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);

    Cft1.A.x = B4.x+10;                     /*   柱子*/
    Cft1.A.y = C4.y+20;
    Cft1.A.z = C4.z - h/2.0;
    Cft1.a = 25;
    Cft1.b = 25;
    Cft1.h = h;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);

    T1.x = A.x; T1.y = A.y; T1.z = A.z - h/2.0;

    r = a +250;

    SLZU3D(T1,r,b+100,d,qx,qy,qz);  /* 房顶,三棱柱 */


    Cft1.A.x = A.x;                     /*   屋脊 */
    Cft1.A.y = A.y;
    Cft1.A.z = A.z - h/2.0-r*(1.0/5.0);
    Cft1.a = 10;
    Cft1.b = b + 100;
    Cft1.h = 10;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);
}



void My3DGraphics_B(Point3D A,int d,float qx,float qy,float qz)
{
   int X,Y,Z;
   CFT Cft1,Cft2,Cft3,Cft4,Cft5,Cft6;
   Point3D D1,D2,T;
   Point B1,B2;
   int a,b,i,j,k;

   setbkcolor(2);


   a = 400; b = 800;

   Rect_3D(A,a,b,15,d,qx,qy,qz);
   Rect_3D(A,a - 5,b - 5,6,d,qx,qy,qz);

   Rect_3D(A,a,5,15,d,qx,qy,qz); /* 中间的一条横线*/

   k = 100;

   while(k>=95)  /* 中间的圆 */
   {
     Yuan_3D(A,k,15,d,qx,qy,qz);
     k--;
   }


   D2.x = A.x + b/4.0; D2.y = A.y; D2.z = A.z;  /* 篮筐1下的圆 */
   k = 50;
   while(k>=45)
   {
      Yuan_3D(D2,k,15,d,qx,qy,qz);
      k--;
   }
  Rect_3D(D2,100,5,15,d,qx,qy,qz);


   k = 0;                        /* 篮筐下的斜线11 */
   while(k<=5)
   {
     X = D2.x; Y = D2.y - 50 + k;Z = D2.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B1.x = X; B1.y = Y;

     X = A.x + b/2.0; Y = A.y - 150 + k; Z = A.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B2.x = X; B2.y = Y;

     MidPointLine(B1,B2,15);

     k++;
    }

   k = 0;                        /* 篮筐1下的斜线12 */
   while(k<=5)
   {
     X = D2.x; Y = D2.y + 50 - k;Z = D2.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B1.x = X; B1.y = Y;

     X = A.x + b/2.0; Y = A.y + 150 - k; Z = A.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B2.x = X; B2.y = Y;

     MidPointLine(B1,B2,15);

     k++;
    }

   D1.x = A.x + b/2.0 - 80; D1.y = A.y; D1.z = A.z - 200;
   k = 20;
   while(k>=17)        /* 篮筐1 */
   {
      Yuan_3D(D1,k,14,d,qx,qy,qz);
      k--;
   }


    Cft1.A.x = D1.x + 30;     /* 篮框1处接柱1 */
    Cft1.A.y = D1.y;
    Cft1.A.z = D1.z-5;
    Cft1.a = 10;
    Cft1.b = 15;
    Cft1.h = 10;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);


    Cft2.A.x = D1.x + 40;   /* 篮板1 */
    Cft2.A.y = D1.y;
    Cft2.A.z = D1.z;
    Cft2.a = 80;
    Cft2.b = 10;
    Cft2.h = 80;
    Cft3D(Cft2.A,Cft2.a,Cft2.b,Cft2.h,d,qx,qy,qz);

    Cft3.A.x = D1.x + 50;    /* 篮板1的支架 */
    Cft3.A.y = D1.y;
    Cft3.A.z = D1.z + 100;
    Cft3.a = 10;
    Cft3.b = 10;
    Cft3.h = 200;
    Cft3D(Cft3.A,Cft3.a,Cft3.b,Cft3.h,d,qx,qy,qz);



    Cft4.A.x = A.x - b/2.0 + 30;            /*篮板2的支架*/
    Cft4.A.y = D1.y;
    Cft4.A.z = D1.z + 100;
    Cft4.a = 10;
    Cft4.b = 10;
    Cft4.h = 200;
    Cft3D(Cft4.A,Cft4.a,Cft4.b,Cft4.h,d,qx,qy,qz);

    Cft2.A.x = A.x - b/2.0 + 40;   /* 篮板2 */
    Cft2.A.y = D1.y;
    Cft2.A.z = D1.z;
    Cft2.a = 80;
    Cft2.b = 10;
    Cft2.h = 80;
    Cft3D(Cft2.A,Cft2.a,Cft2.b,Cft2.h,d,qx,qy,qz);


    Cft1.A.x = A.x - b/2.0 + 50;     /* 篮框2处接柱1 */
    Cft1.A.y = D1.y;
    Cft1.A.z = D1.z-5;
    Cft1.a = 10;
    Cft1.b = 15;
    Cft1.h = 10;
    Cft3D(Cft1.A,Cft1.a,Cft1.b,Cft1.h,d,qx,qy,qz);



   D1.x = A.x - b/2.0 + 80; D1.y = A.y; D1.z = A.z - 205; /* 篮筐2 */
   k = 20;
   while(k>=17)
   {
      Yuan_3D(D1,k,14,d,qx,qy,qz);
      k--;
   }


   D2.x = A.x - b/4.0; D2.y = A.y; D2.z = A.z;  /* 篮筐2下的圆 */
   k = 50;
   while(k>=45)
   {
      Yuan_3D(D2,k,15,d,qx,qy,qz);
      k--;
   }
   Rect_3D(D2,100,5,15,d,qx,qy,qz);


    k = 0;                        /* 篮筐2下的斜线1 */
   while(k<=5)
   {
     X = D2.x; Y = D2.y - 50 + k;Z = D2.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B1.x = X; B1.y = Y;

     X = A.x - b/2.0; Y = A.y - 150 + k; Z = A.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B2.x = X; B2.y = Y;

     MidPointLine(B2,B1,15);

     k++;
    }

   k = 0;                        /* 篮筐2下的斜线2 */
   while(k<=5)
   {
     X = D2.x; Y = D2.y + 50 - k;Z = D2.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B1.x = X; B1.y = Y;

     X = A.x - b/2.0; Y = A.y + 150 - k; Z = A.z;
       Point3D_2D_TouShi(&X,&Y,&Z,d,qx,qy,qz);
     B2.x = X; B2.y = Y;

     MidPointLine(B2,B1,15);

     k++;
    }


    QiuEC(B2,10,11);  /* 篮球 */

}
/***************************/
/****                   ****/
/****   图形显示函数    ****/
/****                   ****/
/***************************/

/** 显示一条直线 **/
void Show_L(Line L)
{
   LineDDA(L.A,L.B,L.color);
}

/** 显示一个圆     **/


void Show_C(Yuan C)
{
   MidPointCircle_3((C.o),C.r,C.color);
}

/** 显示一个椭圆 **/
void Show_E(TuoYuan E)
{
  MidPointEllipse(E.o,E.a,E.b,E.color);
}

/** 显示一个球 **/
void Show_Q(Qiu Q)
{
    QiuEC(Q.o,Q.r,Q.color);
}

/** 显示一个矩形 **/
void Show_R(Rect R)
{
   Rectangle(R.LeftTop,R.RightDown,R.color);
}

/* 显示一个长方体*/
void Show3D_Cft(CFT C,int d,float qx,float qy,float qz)/* 观察方向为(qx,qy,qz)   */
{
   Cft3D(C.A,C.a,C.b,C.h,d,qx,qy,qz);
}


/** 显示一个四棱锥**/
void Show3D_S(SLZ S,int d,float qx,float qy,float qz)
{
    Slz3D(S.A,S.h,S.r,d,qx,qy,qz);
}

/** 显示一个三棱柱**/
void Show3D_SLZU(SLZU Sz,int d,float qx,float qy,float qz)
{
   SLZU3D(Sz.A,Sz.r,Sz.h,d,qx,qy,qz);
}

main()
{
  int i;
  float k,h;

  Point PointA,PointB;
  Point * P;
  Line L1,L2;
  Yuan C1,C2;
  TuoYuan E1,E2,E3,E4;
  Qiu Q1,Q2,Q3;
  Rect R1,R2;

  Point3D D1,D2,D3;
  CFT Cft1,Cft2;
  SLZ S1,S2;
  SLZU Sz1,Sz2;


  int graphdriver = DETECT,graphmode;
  initgraph(&graphdriver,&graphmode,"");

  PointA.x = 550,PointA.y = 100;PointB.x = 100,PointB.y = 100;

  L1.A = PointA;
  L1.B = PointB;
  L1.color = 2;

   /* Show_L(L1);
MidPointLine(L1.A,L1.B,15);*/


  C1.o.x = 300;
  C1.o.y = 300;
  C1.r = 60;
  C1.color = 11;
  C1.color = 4;

    /*Show_C(C1);*/ 
    PointA.x = 300;
    PointA.y = 240;
    k = 0.001;
       while(0)
       {
         C1.color = 0;
         MidPointCircle_CuoQie(C1,PointA,k - 0.001,0);
         C1.color = 4;
         MidPointCircle_CuoQie(C1,PointA,k,0);
         k = k + 0.001;
       }

  E1.o.x = 250;
  E1.o.y = 250;
  E1.a = 60; E1.b = 30;
  E1.color = 11;
    /* Show_E(E1);*/


  E2.o.x = 380;
  E2.o.y = 250;
  E2.a = 60; E2.b = 30;
  E2.color = 11;
      /* Show_E(E2);  */


  E3.o.x = 315;
  E3.o.y = 180;
  E3.a = 30; E3.b = 60;
  E3.color = 11;
      /* Show_E(E3); */

  E4.o.x = 315;
  E4.o.y = 320;
  E4.a = 30; E4.b = 60;
  E4.color = 11;
      /* Show_E(E4);

  PointA.x = 315;
  PointA.y = 248;

  R1.LeftTop.x = 313;
  R1.LeftTop.y = 248;
  R1.RightDown.x = 319;
  R1.RightDown.y = 450;
  R1.color = 2;
    Show_R(R1);*/

      k = 1;
      while(0)
      {
         E1.color = 0;
         E2.color = 0;
         E3.color = 0;
         E4.color = 0;
         MidPointEllipse_XuanZhuan(E1,PointA,k-1);
         MidPointEllipse_XuanZhuan(E2,PointA,k-1);
         MidPointEllipse_XuanZhuan(E3,PointA,k-1);
         MidPointEllipse_XuanZhuan(E4,PointA,k-1);
         Show_R(R1);
         E1.color = 11;
         E2.color = 11;
         E3.color = 11;
         E4.color = 11;
         MidPointEllipse_XuanZhuan(E1,PointA,k);
         MidPointEllipse_XuanZhuan(E2,PointA,k);
         MidPointEllipse_XuanZhuan(E3,PointA,k);
         MidPointEllipse_XuanZhuan(E4,PointA,k);
         k = k + 1;
      }
     PointB.x =190 ;
     PointB.y = 250;
        E1.color = 4;
      /*   MidPointEllipse_FangSuo(E1,PointB,2,2);
       MidPointEllipse_PinYi(E1,150,0);*/




  Q1.o.x = 500;
  Q1.o.y = 400;
  Q1.r = 60;
  Q1.color = 11;

  /*  Show_Q(Q1);

  R1.LeftTop.x = 50;
  R1.LeftTop.y = 150;
  R1.RightDown.x = 300;
  R1.RightDown.y = 200;
  R1.color = 11;
    Show_R(R1);

    Rectangle_XuanZhuan(R1,32);




  S1.A.x = 350;
  S1.A.y = 250;
  S1.A.z = 100;
  S1.r = 400;
  S1.h = 100;

  Show3D_S(S1,500,45,45,60);*/




  D1.x = 300;
  D1.y = 100;
  D1.z = 200;

 /* */My3DGraphics_A(D1,-15,1000,35,55,65);



 /* Cft3D(D1,200,200,200,500,45,45,80);*/



  getch();


  closegraph();
}