// cubolulu.cpp : Defines the entry point for the console application.
//
#include <GL/glut.h>
GLfloat anguloCuboX = 0.0f;
GLfloat anguloCuboY = 0.0f;
GLfloat anguloEsfera = 0.0f;
GLfloat x,y,z, ang, paso, dtx, dtz,pasoc,pasoa;
GLfloat pasob=-0.5;
GLint ancho=400;
GLint alto=400;
GLfloat trasy=0.0;
GLfloat a,b,c=2;
int hazPerspectiva = 0;
void reshape(int width, int height)
{
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-4,4, -4, 4, 1, 10);
glMatrixMode(GL_MODELVIEW);
ancho = width;
alto = height;
}
void dibujarContorno()
{
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINE_STRIP); //cara frontal
glVertex3f(a-1.0f, b-1.0f, c+1.0f);
glVertex3f(a+ 1.0f,b-1.0f, c+1.0f);
glVertex3f( a+1.0f, b+1.0f, c+1.0f);
glVertex3f(a-1.0f, b+1.0f, c+1.0f);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINE_STRIP); //cara trasera
glVertex3f( a+1.0f, b-1.0f, c-1.0f);
glVertex3f(a-1.0f, b-1.0f, c-1.0f);
glVertex3f(a-1.0f, b+1.0f, c-1.0f);
glVertex3f( a+1.0f, b+1.0f, c-1.0f);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINE_STRIP); //cara lateral izq
glVertex3f(a-1.0f,b-1.0f, c-1.0f);
glVertex3f(a-1.0f,b-1.0f, c+1.0f);
glVertex3f(a-1.0f, b+1.0f, c+1.0f);
glVertex3f(a-1.0f, b+1.0f, c-1.0f);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINE_STRIP); //cara lateral dcha
glVertex3f(a+1.0f, b-1.0f, c+1.0f);
glVertex3f(a+1.0f, b-1.0f, c-1.0f);
glVertex3f(a+1.0f, b+1.0f, c-1.0f);
glVertex3f(a+1.0f, b+1.0f, c+1.0f);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINE_STRIP); //cara arriba
glVertex3f(a-1.0f, b+1.0f, c+1.0f);
glVertex3f( a+1.0f, b+1.0f, c+1.0f);
glVertex3f( a+1.0f, b+1.0f, c-1.0f);
glVertex3f(a-1.0f, b+1.0f, c-1.0f);
glEnd();
glColor3f(0.0f, 0.0f, 0.0f);
glBegin(GL_LINE_STRIP); //cara abajo
glVertex3f( a+1.0f,b-1.0f, c-1.0f);
glVertex3f( a+1.0f,b-1.0f, c+1.0f);
glVertex3f(a-1.0f,b-1.0f, c+1.0f);
glVertex3f(a-1.0f,b-1.0f, c-1.0f);
glEnd();
}
void dibujarCube()
{
glColor3f(0.0f, 1.0f, 0.0f);
glBegin(GL_POLYGON); //cara frontal
glVertex3f(a-1.0f, b-1.0f, c+1.0f);
glVertex3f(a+ 1.0f,b-1.0f, c+1.0f);
glVertex3f( a+1.0f, b+1.0f, c+1.0f);
glVertex3f(a-1.0f, b+1.0f, c+1.0f);
glEnd();
glColor3f(1.0f, 0.0f, 0.0f);
glBegin(GL_POLYGON); //cara trasera
glVertex3f( a+1.0f, b-1.0f, c-1.0f);
glVertex3f(a-1.0f, b-1.0f, c-1.0f);
glVertex3f(a-1.0f, b+1.0f, c-1.0f);
glVertex3f( a+1.0f, b+1.0f, c-1.0f);
glEnd();
glColor3f(1.0f, 0.0f, 1.0f);
glBegin(GL_POLYGON); //cara lateral izq
glVertex3f(a-1.0f,b-1.0f, c-1.0f);
glVertex3f(a-1.0f,b-1.0f, c+1.0f);
glVertex3f(a-1.0f, b+1.0f, c+1.0f);
glVertex3f(a-1.0f, b+1.0f, c-1.0f);
glEnd();
glColor3f(1.0f, 0.0f, 1.0f);
glBegin(GL_POLYGON); //cara lateral dcha
glVertex3f(a+1.0f, b-1.0f, c+1.0f);
glVertex3f(a+1.0f, b-1.0f, c-1.0f);
glVertex3f(a+1.0f, b+1.0f, c-1.0f);
glVertex3f(a+1.0f, b+1.0f, c+1.0f);
glEnd();
glColor3f(1.0f,0.6f, 1.0f);
glBegin(GL_POLYGON); //cara arriba
glVertex3f(a-1.0f, b+1.0f, c+1.0f);
glVertex3f( a+1.0f, b+1.0f, c+1.0f);
glVertex3f( a+1.0f, b+1.0f, c-1.0f);
glVertex3f(a-1.0f, b+1.0f, c-1.0f);
glEnd();
glColor3f(1.0f, 1.0f, 0.0f);
glBegin(GL_POLYGON); //cara abajo
glVertex3f( a+1.0f,b-1.0f, c-1.0f);
glVertex3f( a+1.0f,b-1.0f, c+1.0f);
glVertex3f(a-1.0f,b-1.0f, c+1.0f);
glVertex3f(a-1.0f,b-1.0f, c-1.0f);
glEnd();
}
void gldrawCube()
{
float xMark = -1.0f;
float yMark = -1.0f;
float zMark = 1.0f;
for (int i = 0; i < 2; i++)
//moves back one unit on z-axis
{
for (int j = 0; j < 2; j++)
//moves up one unit on y-axis
{
for (int k = 0; k < 2; k++)
//builds 3 cubes along x-axis
{
dibujarCube();
dibujarContorno();
a=xMark;
b=yMark;
c=zMark;
xMark++;
}
xMark = -1.0f;
yMark++;
}
yMark = -1.0f;
zMark--;
}
}
void display()
{
glShadeModel(GL_SMOOTH);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -5.0f);
glRotatef(anguloCuboX, 1.0f, 0.0f, 0.0f);
glRotatef(anguloCuboY, 0.0f, 1.0f, 0.0f);
//glScalef(2.0f,2.0f,2.0f);
gldrawCube();
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -5.0f);
// glRotatef(anguloEsfera, 1.0f, 0.0f, 0.0f);
glColor3f(1.0f, 1.0f, 1.0f);
glFlush();
glutSwapBuffers();
anguloCuboX+=0.1f;
anguloCuboY+=0.1f;
// anguloEsfera+=0.2f;
}
void init()
{
glClearColor(0,0,0,0);
glEnable(GL_DEPTH_TEST);
ancho = 400;
alto = 400;
}
void idle()
{
display();
}
void specialkeyevent( int key, int Xx, int Yy )
{
//float angrad;
switch ( key )
{
case GLUT_KEY_UP:
if(pasoa<.55)
pasoa=pasoa+0.5;
break;
case GLUT_KEY_DOWN:
if(pasoa>=-0.4)
pasoa=pasoa-0.5;
break;
case GLUT_KEY_LEFT:
if(pasoc>-.55)
pasoc=pasoc-.5;
break;
case GLUT_KEY_RIGHT:
if(pasoc<0.5)
pasoc=pasoc+.5;
break;
}
glutPostRedisplay();
}
void keyboard(unsigned char key, int x, int y)
{
switch(key)
{
case 'z':
if(pasob<.1)
pasob+=0.5;
break;
case 'Z':
if(pasob>-.1)
pasob-=0.5;
break;
}
glutPostRedisplay();
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
glutInitWindowPosition(100, 100);
glutInitWindowSize(ancho, alto);
glutCreateWindow("Cubo Rubik");
init();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutIdleFunc(idle);
glutKeyboardFunc(keyboard);
glutSpecialFunc( specialkeyevent );
glutMainLoop();
return 0;
}
