Ve hinh 3D */
#include <conio.h>
#include <graphics.h>
#include <math.h>
#include <dos.h>
#include <stdlib.h>
/* he so doi tu do sang radian */
#define RADS 0.017453293
#define xc (getmaxx()/2)
#define yc (getmaxy()/2)
#define UX 20
#define UY 20
#define UZ 20
#define OX (0.8*M_PI)
#define OY (0.2*M_PI)
#define X(x,y,z) (xc+(x)*UX*cos(OX)+(y)*UY*cos(OY))
#define Y(x,y,z) (yc+(x)*UX*sin(OX)+(y)*UY*sin(OY)-(z)*UZ)
typedef struct {
double x, y, z;
} Point3D;
#define MAX 14
Point3D point[MAX] = {
{-4, 6, 0}, {-1, 6, 0}, {-3, 4, 0}, {-1, 3, 0}, {-1, 1, 0}, {-2, 0, 0}, {-4, 0, 0},
{1, 6, 0}, {3, 6, 0}, {4, 5, 0}, {4, 1, 0}, {3, 0, 0}, {1, 0, 0}, {1, 6, 0}
};
void _3D()
{
int i, j, angle;
Point3D p, _p[MAX];
angle = 135;
do {
cleardevice();
for (i=0; i<MAX; i++)
{
_p[i].x = point[i].x * cos(RADS*angle);
_p[i].y = point[i].y;
_p[i].z = point[i].x * sin(RADS*angle);
p = _p[i];
if (i==0 || i==7)
moveto(X(p.x, p.z, p.y), Y(p.x, p.z, p.y));
else
lineto(X(p.x, p.z, p.y), Y(p.x, p.z, p.y));
}
angle--;
angle %= 360;
delay(10);
} while (!kbhit());
}
void main()
{
int gr_drive = DETECT, gr_mode;
initgraph(&gr_drive, &gr_mode, "");
_3D();
getch();
closegraph();
}
Tiêu đề: Ve hinh 3D 
10/07/10, 09:51 pm