I extended the usage screen with help messages
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* test/demos/pmc/cube.cc
* Copyright (C) 2008 Markus Broeker
*/
#include <cube.h>
#include "../sdl.cc"
extern SDL_Surface *screen;
extern unsigned long color;
Cube::Cube (Vector p1, Vector p2, Vector p3, Vector p4, int h)
{
P[0] = new Vector (p1);
P[1] = new Vector (p2);
P[2] = new Vector (p3);
P[3] = new Vector (p4);
P[4] = new Vector (p1.X (), p1.Y (), p1.Z () + h);
P[5] = new Vector (p2.X (), p2.Y (), p2.Z () + h);
P[6] = new Vector (p3.X (), p3.Y (), p3.Z () + h);
P[7] = new Vector (p4.X (), p4.Y (), p4.Z () + h);
height = h;
}
Cube::~Cube ()
{
for (int i = 0; i < 8; i++)
delete P[i];
}
void Cube::move (Vector location)
{
for (int i = 0; i < 8; i++) {
P[i] = new Vector (*P[i] + location);
}
}
void Cube::show ()
{
P[0]->vector ();
std::cout << ", ";
P[1]->vector ();
std::cout << std::endl;
P[2]->vector ();
std::cout << ", ";
P[3]->vector ();
std::cout << std::endl;
P[4]->vector ();
std::cout << ", ";
P[5]->vector ();
std::cout << std::endl;
P[6]->vector ();
std::cout << ", ";
P[7]->vector ();
std::cout << std::endl;
drawLine (screen, P[0]->X (), P[0]->Y (), P[1]->X (), P[1]->Y (), color);
drawLine (screen, P[2]->X (), P[2]->Y (), P[3]->X (), P[3]->Y (), color);
drawLine (screen, P[0]->X (), P[0]->Y (), P[2]->X (), P[2]->Y (), color);
drawLine (screen, P[1]->X (), P[1]->Y (), P[3]->X (), P[3]->Y (), color);
drawLine (screen, (int)(height / 2.0) + P[4]->X (),
(int)(height / 2.0) + P[4]->Y (),
(int)(height / 2.0) + P[5]->X (), (int)(height / 2.0) + P[5]->Y (), color);
drawLine (screen, (int)(height / 2.0) + P[6]->X (),
(int)(height / 2.0) + P[6]->Y (),
(int)(height / 2.0) + P[7]->X (), (int)(height / 2.0) + P[7]->Y (), color);
drawLine (screen, (int)(height / 2.0) + P[4]->X (),
(int)(height / 2.0) + P[4]->Y (),
(int)(height / 2.0) + P[6]->X (), (int)(height / 2.0) + P[6]->Y (), color);
drawLine (screen, (int)(height / 2.0) + P[5]->X (),
(int)(height / 2.0) + P[5]->Y (),
(int)(height / 2.0) + P[7]->X (), (int)(height / 2.0) + P[7]->Y (), color);
drawLine (screen, P[0]->X (), P[0]->Y (),
(int)(height / 2.0) + P[4]->X (), (int)(height / 2.0) + P[4]->Y (), color);
drawLine (screen, P[2]->X (), P[2]->Y (),
(int)(height / 2.0) + P[6]->X (), (int)(height / 2.0) + P[6]->Y (), color);
drawLine (screen, P[1]->X (), P[1]->Y (),
(int)(height / 2.0) + P[5]->X (), (int)(height / 2.0) + P[5]->Y (), color);
drawLine (screen, P[3]->X (), P[3]->Y (),
(int)(height / 2.0) + P[7]->X (), (int)(height / 2.0) + P[7]->Y (), color);
}