TC 三维图形变换

#include<stdio.h>
#include<math.h>
#include<graphics.h>
#include<conio.h>
#include<time.h>
#include<ctype.h>
#define ZOOM_IN 0.9
#define ZOOM_OUT 1.1
int turn1[3];
typedef struct
{
float x;
float y;
float z;
}point;
typedef struct
{
float x;
float y;
}point2d;
typedef struct
{
float x;
float y;
float h;
point biao[8];
}fanti;
void make_box(float x, float y, float h, fanti *p)
{
p->x = x; p->y = y; p->h = h;

p->biao[0].x = x / 2;
p->biao[0].y = y / 2;
p->biao[0].z = h / 2;

p->biao[1].x = -x / 2;
p->biao[1].y = y / 2;
p->biao[1].z = h / 2;

p->biao[2].x = -x / 2;
p->biao[2].y = -y / 2;
p->biao[2].z = h / 2;

p->biao[3].x = x / 2;
p->biao[3].y = -y / 2;
p->biao[3].z = h / 2;

p->biao[4].x = x / 2;
p->biao[4].y = y / 2;
p->biao[4].z = -h / 2;

p->biao[5].x = -x / 2;
p->biao[5].y = y / 2;
p->biao[5].z = -h / 2;

p->biao[6].x = -x / 2;
p->biao[6].y = -y / 2;
p->biao[6].z = -h / 2;

p->biao[7].x = x / 2;
p->biao[7].y = -y / 2;