Question

计算机图形学TC编程

请懂计算机图形学的友友帮帮忙 帮我编写一个能在TC2.0上运行的程序代码

要求：

稍微简单一点的动态图形就好 我学的课本是中国水利水电出版社的计算机图形学

请友友们帮忙 用用心 要自己编写的哦
一楼的那个在TC2.0上运行有错误

Answer 1

#include "graphics.h"
#include "math.h"
void circlepoints(int x,int y,int a,int b)
{ putpixel(x+a,y+b,6);
putpixel(-x+a,y+b,6);
putpixel(x+a,-y+b,6);
putpixel(-x+a,-y+b,6);
}

void circlepoints1(int x,int y,float f)
{
putpixel((x+200-250)*cos(f)-(y+150-200)*sin(f)+250,(x+200-250)*sin(f)+(y+150-200)*cos(f)+200,2);
putpixel((-x+200-250)*cos(f)-(y+150-200)*sin(f)+250,(-x+200-250)*sin(f)+(y+150-200)*cos(f)+200,2);
putpixel((x+200-250)*cos(f)-(-y+150-200)*sin(f)+250,(x+200-250)*sin(f)+(-y+150-200)*cos(f)+200,2);
putpixel((-x+200-250)*cos(f)-(-y+150-200)*sin(f)+250,(-x+200-250)*sin(f)+(-y+150-200)*cos(f)+200,2);
}

void dda(int a,int b,float k,float l)
{

float dy,dx,y,m,j,x;
dx=100;
dy=0;
m=dy/dx;
y=50;
for(x=50;x<=150;x++)
{
x=(x-a)*k-(y-b)*l+a;
j=(x-a)*l+(y-b)*k+b;

putpixel((int)x,(int)j,2);
y+=m;
}
}
/*void circle1(int x,int y,int r)

{
int a,b;
float d;
a=0;b=r;
d=5.0/4-r;
putpixel(a+x,b+y,2);
while(b>a)
{ if(d<=0)
d+=2.0*a+3;
else
{ d+=2.0*(a-b)+50;
b--;
}
a++;
putpixel(a+x,b+y,2);
}

} */

/*void ar(int a,int b)
{

int x,y,d;

x=0;
y=50;

circlepoints(x,y,a,b);
x=1;
circlepoints(x,y,a,b);
while (y>=0)
{ if(d>=0)
{ d=d-2*y+1;
y--;}
else
{d=d+2*x+1;
x++;
}
circlepoints(x,y,a,b);
}
}*/

void main()
{ int driver=DETECT,mode; int x,y,d,a=100,b=50,t=5;
float k,l,f;
registerbgidriver(EGAVGA_driver);
initgraph(&driver,&mode,"\\tc"); /* 对于svga256必需执行该函数以安装BGI驱动 */
initgraph(&driver,&mode,"\\tc"); /* 执行TC默认的BGI初始化函数 */

while(!kbhit())
{ if((b==430)&&(t==5))t=-5;
if((b==50)&&(t==-5))t=5;
b+=t;
x=0;
y=50;

circlepoints(x,y,a,b);
x=1;
circlepoints(x,y,a,b);
while (y>=0)
{ if(d>=0)
{ d=d-2*y+1;
y--;}
else
{d=d+2*x+1;
x++;
}
circlepoints(x,y,a,b);
}

if(f=3.14159) f=0;
f+=0.00001;
x=0;
y=30;

circlepoints1(x,y,f);
x=1;
circlepoints1(x,y,f);
while (y>=0)
{ if(d>=0)
{ d=d-2*y+1;
y--;}
else
{d=d+2*x+1;
x++;
}
circlepoints1(x,y,f);
}
delay(5000);
if(f=3.14159) f=0;
f+=0.00001;
circle((200-250)*cos(f)-(150-200)*sin(f)+250,(200-250)*sin(f)+(150-200)*cos(f)+200,20);
cleardevice();
}

getch();

closegraph();

}

Answer 2

tc帮助里，有很多的例子程序，你可以看一下。
一楼的主要是
EGAVGA_driver没有声明，好久用tc的函数库了，想不起来的，手上也没有tc的环境，查一下帮助吧，图形卡的驱动，注意要声明路径。