CUBE EN 3D FILAIRE (C++ SOUS DOS)

#include <stdio.h>
#include <conio.h>
#include <math.h>

#define DISTANCE	256
#define UINT unsigned int
#define PI 3.141592654
typedef struct point
				{
					int x,y,z;
					UINT x2d,y2d;
				}tPoint;

typedef struct tangle
				{
				 short x,y,z;
				}tAngle;

tPoint t[8],tp[8];
double sintab[360],costab[360];
short lien[10][3];
int i,j;
tAngle angle;

void TestLigne();

void PutPixel(UINT x,UINT y,short c)
{
	asm mov ax,0a000h
	asm	mov es,ax
	asm	mov ax,320
	asm	mul y
	asm	add ax,x
	asm	mov di,ax
	asm	mov al,byte ptr c
	asm	mov es:[di],al
}

void Efface()
{
	asm	mov ax,0a000h
	asm	mov es,ax
	asm	mov di,0
	asm	mov ax,0
	asm	mov cx,32000
	asm	rep stosw
}

void Vbl()
{
	while(!(inp(0x03da) & 0x8));

	while(inp(0x03da) & 0x8);
}

void Invers( UINT* a,UINT* b,UINT* c,UINT* d)
{
	UINT inter;

	inter = *a;
	*a = *c;
	*c = inter;
	inter = *b;
	*b = *d;
	*d = inter;
}

void Ligne(UINT x1,UINT y1,UINT x2,UINT y2,short couleur)
{
	int diffx,diffy,dim;
	UINT	x,y,i;
	if(x1 == x2)
	{
		if(y1 > y2) Invers(&x1,&y1,&x2,&y2);
		for(i=y1;i<=y2;i++)
			PutPixel(x1,i,couleur);
	}
	else if(y1 == y2)
	{
		if(x1 > x2) Invers(&x1,&y1,&x2,&y2);
		for(i=x1;i<=x2;i++)
			PutPixel(i,y1,couleur);
	}
	else
	{
		diffx = x2-x1;
		diffy = y2-y1;
		if(abs(diffx) > abs(diffy))
		{
			if(diffx < 0)
			{
				Invers(&x1,&y1,&x2,&y2);
				diffy = -diffy;
				diffx = -diffx;
			}
			x = x1;
			y = y1;
			dim = diffx;
			if(diffy > 0)
			do
			{
				do
				{
					PutPixel(x,y,couleur);
					dim = dim-diffy;
					x++;
				}
				while(dim >= 0);
				dim += diffx;
				y++;
			}
			while(y != y2);
			else
			do
			{
				do
				{
					PutPixel(x,y,couleur);
					dim += diffy;
					x++;
				}
				while(dim >= 0);
				dim += diffx;
				y--;
			}
			while(y != y2);
		}
		else
		{
			if(diffy < 0)
			{
				Invers(&x1,&y1,&x2,&y2);
				diffx = -diffx;
				diffy = -diffy;
			}
			x = x1;
			y = y1;
			dim = diffy;
			if(diffx > 0)
				do
				{
					do
					{
						PutPixel(x,y,couleur);
						dim -= diffx;
						y++;
					}
					while(dim >= 0);
					dim += diffy;
					x++;
				}
				while(x != x2);
			else
				do
				{
					do
					{
						PutPixel(x,y,couleur);
						dim += diffx;
						y++;
					}
					while(dim >= 0);
					dim += diffy;
					x--;
				}
				while(x != x2);
		}
	}
}

void Projeter(tPoint* p)
{
	p->x2d = (UINT)((DISTANCE*p->x)/(DISTANCE+p->z))+160;
	p->y2d = (UINT)((DISTANCE*p->y)/(DISTANCE+p->z))+100;
}

void Tourner( tAngle move,tPoint ori, tPoint* p)
{
	double temp1,temp2;
	p->x = ori.x;
	p->y = ori.y;
	p->z = ori.z;
	temp1 = p->y*costab[move.x]-p->z*sintab[move.x];
	temp2 = p->z*costab[move.x]+p->y*sintab[move.x];
	p->y = (UINT)temp1;
	p->z = (UINT)temp2;

	temp1 = p->z*costab[move.y]-p->x*sintab[move.y];
	temp2 = p->x*costab[move.y]+p->z*sintab[move.y];
	p->z = (UINT)temp1;
	p->x = (UINT)temp2;

	temp1 = p->x*costab[move.z]-p->y*sintab[move.z];
	temp2 = p->y*costab[move.z]+p->x*sintab[move.z];
	p->x = (UINT)temp1;
	p->y = (UINT)temp2;
}

void main()
{
	for(i=0;i<360;i++)
	{
		sintab[i] = sin(i*PI/180);
		costab[i] = cos(i*PI/180);
	}
	angle.x = 0;
	angle.y = 0;
	angle.z = 0;
	t[0].x = -30; t[0].y = 30; t[0].z = -30;
	t[1].x = 30; t[1].y = 30; t[1].z = -30;
	t[2].x = 30; t[2].y = -30; t[2].z = -30;
	t[3].x = -30; t[3].y = -30; t[3].z = -30;
	t[4].x = -30; t[4].y = 30; t[4].z = 30;
	t[5].x = 30; t[5].y = 30; t[5].z = 30;
	t[6].x = 30; t[6].y = -30; t[6].z = 30;
	t[7].x = -30; t[7].y = -30; t[7].z = 30;
	lien[0][0] = 0; lien[0][1] = 4; lien[0][2] = 3;
	lien[1][0] = 3; lien[1][1] = 4; lien[1][2] = 7;
	lien[2][0] = 0; lien[2][1] = 1; lien[2][2] = 3;
	lien[3][0] = 1; lien[3][1] = 2; lien[3][2] = 3;
	lien[4][0] = 1; lien[4][1] = 2; lien[4][2] = 6;
	lien[5][0] = 1; lien[5][1] = 5; lien[5][2] = 6;
	lien[6][0] = 4; lien[6][1] = 5; lien[6][2] = 7;
	lien[7][0] = 5; lien[7][1] = 6; lien[7][2] = 7;
	lien[8][0] = 0; lien[8][1] = 4; lien[8][2] = 5;
	lien[9][0] = 3; lien[9][1] = 6; lien[9][2] = 7;

	asm	mov ax,13h
	asm	int 10h

	do
	{
		angle.x++;
		angle.x %= 360;
		for(i=0;i<8;i++)
		{
			Tourner(angle,t[i],&tp[i]);
			Projeter(&tp[i]);
		}
		for(i=0;i<10;i++)
		{
			for(j=0;j<2;j++)
				Ligne(tp[lien[i][j]].x2d,tp[lien[i][j]].y2d,tp[lien[i][j+1]].x2d,tp[lien[i][j+1]].y2d,64);
			Ligne(tp[lien[i][0]].x2d,tp[lien[i][0]].y2d,tp[lien[i][2]].x2d,tp[lien[i][2]].y2d,64);
		}
		Vbl();
		Efface();
	}
	while(!kbhit());
	getch();
	angle.x = 0;
	do
	{
		angle.y++;
		angle.y %= 360;
		for(i=0;i<8;i++)
		{
			Tourner(angle,t[i],&tp[i]);
			Projeter(&tp[i]);
		}
		for(i=0;i<10;i++)
		{
			for(j=0;j<2;j++)
				Ligne(tp[lien[i][j]].x2d,tp[lien[i][j]].y2d,tp[lien[i][j+1]].x2d,tp[lien[i][j+1]].y2d,64);
			Ligne(tp[lien[i][0]].x2d,tp[lien[i][0]].y2d,tp[lien[i][2]].x2d,tp[lien[i][2]].y2d,64);
		}
		Vbl();
		Efface();
	}
	while(!kbhit());
	getch();
	angle.y = 0;
	do
	{
		angle.z++;
		angle.z %= 360;
		for(i=0;i<8;i++)
		{
			Tourner(angle,t[i],&tp[i]);
			Projeter(&tp[i]);
		}
		for(i=0;i<10;i++)
		{
			for(j=0;j<2;j++)
				Ligne(tp[lien[i][j]].x2d,tp[lien[i][j]].y2d,tp[lien[i][j+1]].x2d,tp[lien[i][j+1]].y2d,64);
			Ligne(tp[lien[i][0]].x2d,tp[lien[i][0]].y2d,tp[lien[i][2]].x2d,tp[lien[i][2]].y2d,64);
		}
		Vbl();
		Efface();
	}
	while(!kbhit());
  getch();
	angle.z = 0;
	do
	{
		angle.x++;
		angle.x %= 360;
		angle.y++;
		angle.y %= 360;
		angle.z++;
		angle.z %= 360;
		for(i=0;i<8;i++)
		{
			Tourner(angle,t[i],&tp[i]);
			Projeter(&tp[i]);
		}
		for(i=0;i<10;i++)
		{
			for(j=0;j<2;j++)
				Ligne(tp[lien[i][j]].x2d,tp[lien[i][j]].y2d,tp[lien[i][j+1]].x2d,tp[lien[i][j+1]].y2d,64);
			Ligne(tp[lien[i][0]].x2d,tp[lien[i][0]].y2d,tp[lien[i][2]].x2d,tp[lien[i][2]].y2d,64);
		}
		Vbl();
		Efface();
	}
	while(!kbhit());
	asm	mov ax,03h
	asm int 10h
}

void TestLigne()
{
	do
	{
		Ligne(0,50,319,50,1);
		Ligne(319,150,0,150,2);
		Ligne(120,0,120,200,3);
		Ligne(240,200,240,0,4);
		Ligne(0,0,319,200,5);
		Ligne(319,0,0,200,6);
		Ligne(0,180,300,0,7);
		Ligne(319,180,20,0,8);
	}
	while(!kbhit());
}