GK

bool Cube::collision(Obj * obj)
{
	if(obj==NULL) return false;

	Cube * c=dynamic_cast<Cube*>(obj);
	Sphere * s=dynamic_cast<Sphere*>(obj);

	double maxz, minz, maxy, miny, maxx, minx; //obj
	double mmaxz, mminz, mmaxy, mminy, mmaxx, mminx; //this

	//**********************************************************************************//
	//**********************************************************************************//
	//	LAB GK - COL
	//**********************************************************************************//
	// Collision S-AABB & AABB-AABB

	mmaxz = posZ + sizez / 2.0;
	mminz = posZ - sizez / 2.0;
	mmaxy = posY + sizey / 2.0;
	mminy = posY - sizey / 2.0;
	mmaxx = posX + sizex / 2.0;
	mminx = posX - sizex / 2.0;

	if(s != NULL)
	{
		maxz = s->getMaxz();
		minz = s->getMinz();
		maxy = s->getMaxy();
		miny = s->getMiny();
		maxx = s->getMaxx();
		minx = s->getMinx();
	}
	else
	{
		maxz = c->posZ + c->sizez / 2.0;
		minz = c->posZ - c->sizez / 2.0;
		maxy = c->posY + c->sizey / 2.0;
		miny = c->posY - c->sizey / 2.0;
		maxx = c->posX + c->sizex / 2.0;
		minx = c->posX - c->sizex / 2.0;
	}

	if((maxz >= mminz && maxz <= mmaxz) || (minz >= mminz && minz <= mmaxz))
	{
		if((maxy >= mminy && maxy <= mmaxy) || (miny >= mminy && miny <= mmaxy))
		{
			if((maxx >= mminx && maxx <= mmaxx) || (minx >= mminx && minx <= mmaxx))
			{
				obj->set_color((GLfloat *) Colors[rand()%10]);
				set_color((GLfloat *) Colors[rand()%10]);
			}
		}
	}
	else if((mmaxz >= minz && mmaxz <= maxz) || (mminz >= minz && mminz <= maxz))
	{
		if((mmaxy >= miny && mmaxy <= maxy) || (mminy >= miny && mminy <= maxy))
		{
			if((mmaxx >= minx && mmaxx <= maxx) || (mminx >= minx && mminx <= maxx))
			{
				obj->set_color((GLfloat *) Colors[rand()%10]);
				set_color((GLfloat *) Colors[rand()%10]);
			}
		}
	}





	//**********************************************************************************//
	//**********************************************************************************//



	return false;


}