Foro de elhacker.net

struct vec3{
	float x;
	float y;
	float z;
};

typedef float mat[8];

void InitVec3(vec3 *v, int x,int y){
	(*v).x = x;
	(*v).y = y;
	(*v).z = 0;
}
void InitMat3(mat m, float x0, float x1, float x2, float x3, float x4, float x5, float x6, float x7, float x8){
	m[0] = x0;		m[1] = x1;		m[2] = x2;
	m[3] = x3;		m[4] = x4;		m[5] = x5;
	m[6] = x6;		m[7] = x7;		m[8] = x8;
}
void VaciarMat3(mat m){
	m[0] = 0; 	m[1] = 0;	m[2] = 0;
	m[3] = 0;	m[4] = 0;	m[5] = 0;
	m[6] = 0;	m[7] = 0;	m[8] = 0;
}

void SubstractVec3(vec3 v, vec3 u, vec3 *vec){
	(*vec).x = v.x - u.x; (*vec).y = v.y - u.y; (*vec).z = 0.0;
}
void AddVec3(vec3 v, vec3 u, vec3 *vec){
	(*vec).x = v.x + u.x; (*vec).y = v.y + u.y;
}

int ESAT::main(int, char **){
	mat matriz;
	vec3 vec;
	vec3 vec2;
	InitVec3(&vec, 12, 10);
	InitVec3(&vec2, 10, 5);
	AddVec3(vec, vec2, &vec);
	InitMat3(matriz,1,1,1,2,2,2,0,0,0);
	VaciarMat3(matriz);
	ESAT::WindowInit(800, 600);		
	while (ESAT::WindowIsOpened() && !ESAT::IsSpecialKeyDown(ESAT::kSpecialKey_Escape)){
		ESAT::DrawClear(0, 0, 0);
		ESAT::DrawSetStrokeColor(255, 255, 255, 255);
		ESAT::WindowFrame();
	}
	ESAT::WindowDestroy();
	return 0;
}