#include <GL/glut.h>
#include <iostream>
#include <string>
+#include <math.h>
using namespace std;
-/* GLOBAL */
-vector< pair <unsigned long int,cubelooks::env*> > Envs;
+cubelooks::env *Env;
int cubelooks::cube::allid = 0;
+void cubelooks::cube::drawBox()
+{
+ glBegin(GL_LINES);
+
+ glVertex3f(-1.0f, 1.0f, -1.0f);
+ glVertex3f( 1.0f, 1.0f, -1.0f);
+ glVertex3f(-1.0f, -1.0f, -1.0f);
+ glVertex3f( 1.0f, -1.0f, -1.0f);
+ glVertex3f(-1.0f, 1.0f, 1.0f);
+ glVertex3f( 1.0f, 1.0f, 1.0f);
+ glVertex3f(-1.0f, -1.0f, 1.0f);
+ glVertex3f( 1.0f, -1.0f, 1.0f);
+
+ glVertex3f( 1.0f, 1.0f, -1.0f);
+ glVertex3f( 1.0f, -1.0f, -1.0f);
+ glVertex3f( -1.0f, 1.0f, -1.0f);
+ glVertex3f( -1.0f, -1.0f, -1.0f);
+ glVertex3f( 1.0f, 1.0f, 1.0f);
+ glVertex3f( 1.0f, -1.0f, 1.0f);
+ glVertex3f( -1.0f, 1.0f, 1.0f);
+ glVertex3f( -1.0f, -1.0f, 1.0f);
+
+ glVertex3f( -1.0f, -1.0f, 1.0f);
+ glVertex3f( -1.0f, -1.0f, -1.0f);
+ glVertex3f( -1.0f, 1.0f, 1.0f);
+ glVertex3f( -1.0f, 1.0f, -1.0f);
+ glVertex3f( 1.0f, -1.0f, 1.0f);
+ glVertex3f( 1.0f, -1.0f, -1.0f);
+ glVertex3f( 1.0f, 1.0f, 1.0f);
+ glVertex3f( 1.0f, 1.0f, -1.0f);
+
+ glEnd();
+}
+
+void cubelooks::cube::drawAll()
+{
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+
+ glTranslatef(-1,-1,-1);
+
+ for (int iz=0; iz<l; iz++) {
+ for (int iy=0; iy<l; iy++) {
+ for (int ix=0; ix<l; ix++) {
+ glPushMatrix();
+ glTranslatef(2.0*ix/l,2.0*iy/l,2.0*iz/l);
+ glScalef(2.0/l,2.0/l,2.0/l);
+
+ /* draw links */
+ glBegin(GL_LINES);
+ glColor4f(link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 0],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 1],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 2],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 3]);
+ glVertex3f(0,0,0); glVertex3f(1,0,0);
+ glColor4f(link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 0],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 1],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 2],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 3]);
+ glVertex3f(0,0,0); glVertex3f(0,1,0);
+ glColor4f(link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 0],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 1],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 2],
+ link[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 3]);
+ glVertex3f(0,0,0); glVertex3f(0,0,1);
+ glEnd();
+
+ /* draw plaquettes */
+ glColor4f(1,1,1,0.5);
+ glBegin(GL_QUADS);
+ glColor4f(plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 0],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 1],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 2],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 2*4 + 3]);
+ glVertex3f(0, 0, 0); glVertex3f(1, 0, 0); glVertex3f(1, 1, 0); glVertex3f(0, 1, 0);
+ glColor4f(plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 0],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 1],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 2],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 1*4 + 3]);
+ glVertex3f(0, 0, 0); glVertex3f(1, 0, 0); glVertex3f(1, 0, 1); glVertex3f(0, 0, 1);
+ glColor4f(plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 0],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 1],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 2],
+ plaq[iz*l*l*3*4 + iy*l*3*4 + ix*3*4 + 0*4 + 3]);
+ glVertex3f(0, 0, 0); glVertex3f(0, 1, 0); glVertex3f(0, 1, 1); glVertex3f(0, 0, 1);
+ glEnd();
+
+ glPopMatrix();
+ }
+ }
+ }
+
+ glPopMatrix();
+}
+
void cubelooks::cube::draw()
{
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+
+ //cout << zoom << endl;
+
+ glScalef(zoom, zoom, zoom);
+ glRotatef(az, 0, 1, 0);
+ glRotatef(alt, 1, 0, 0);
+
+ /*
glBegin(GL_QUADS);
glVertex2f(-1, -1); glVertex2f(1, -1); glVertex2f(1, 1); glVertex2f(-1, 1);
glEnd();
+ */
+
+ //drawBox();
+ drawAll();
+
+ glPopMatrix();
}
namespace mygl
{
- cubelooks::env* getEnv()
+ int rotcube[3];
+
+ static int getCubeFromPos(int x, int y)
{
- for (int ienv=0; ienv<Envs.size(); ienv++)
- if ( Envs.at(ienv).first == pthread_self() ) {
- return Envs.at(ienv).second;
- }
- cerr << "Something terrible happened: Could not find env-thread-id!" << endl;
- exit(1);
+ int col = x / ((float)Env->w / Env->layout[0]);
+ int row = Env->layout[1] - y / ((float)Env->h / Env->layout[1]);
+
+ return col + row*Env->layout[0];
}
static void idleFunc()
glutPostRedisplay();
}
+ static void motionFunc(int x, int y)
+ {
+ Env->cubes.at(rotcube[0]).az += rotcube[1] - x;
+ Env->cubes.at(rotcube[0]).alt += rotcube[2] - y;
+
+ rotcube[1] = x;
+ rotcube[2] = y;
+
+ glutPostRedisplay();
+ }
+
+ static void mouseFunc(int button, int state, int x, int y)
+ {
+ if (button == 0) {
+ rotcube[0] = getCubeFromPos(x,y);
+ rotcube[1] = x;
+ rotcube[2] = y;
+ }
+
+ if (button == 4) {
+ Env->cubes.at(getCubeFromPos(x,y)).zoom *= 1.1;
+ glutPostRedisplay();
+ }
+ else if (button == 3) {
+ Env->cubes.at(getCubeFromPos(x,y)).zoom *= 0.9;
+ glutPostRedisplay();
+ }
+ }
+
static void reshapeFunc(int w, int h)
{
- glutReshapeWindow(10,10);
- glViewport(0,0,w,h);
- cout << w << ":" << h << endl;
+ int neww;
+ int newh;
+
+ if ( w == Env->w ) {
+ newh = h;
+ neww = Env->aspect*h;
+ }
+ else if ( h == Env->h ) {
+ neww = w;
+ newh = w / Env->aspect;
+ }
+ else {
+ neww = ( pow(Env->aspect,2)*w + Env->aspect*h ) / ( pow(Env->aspect,2) + 1 );
+ newh = ( Env->aspect*w + h ) / ( pow(Env->aspect,2) + 1 );
+ }
+
+ glutReshapeWindow(neww,newh);
+ glViewport(0,0,neww,newh);
+
+ Env->w = neww;
+ Env->h = newh;
}
static void displayFunc()
{
- cubelooks::env *Env = getEnv();
-
glClearColor(0,0,0,0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
+ glScalef(1.0/Env->layout[0],1.0/Env->layout[1],1.0);
+ glTranslatef(-Env->layout[0]+1, -Env->layout[1]+1, 0);
+
for (int icube=0; icube < Env->cubes.size(); icube++) {
- glScalef(1.0/Env->layout[0],1.0/Env->layout[1],1.0);
+ //glScalef(1.0/Env->layout[0],1.0/Env->layout[1],1.0);
//glRotatef(2, 1, 0, 0);
Env->cubes.at(icube).draw();
+ if ((icube+1)%Env->layout[0] == 0) {
+ glTranslatef(-2*Env->layout[0]+2, 2, 0);
+ }
+ else {
+ glTranslatef(2, 0, 0);
+ }
}
glutSwapBuffers();
{
int winsize[2];
- cubelooks::env* Env = (cubelooks::env*)_Env;
-
glutInit( ((cubelooks::env*)Env)->argc, ((cubelooks::env*)Env)->argv );
glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB|GLUT_DEPTH);
winsize[0] = (640.0/Env->layout[1])*Env->layout[0];
}
+ Env->w = winsize[0];
+ Env->h = winsize[1];
+
glutInitWindowSize(winsize[0], winsize[1]);
glutInitWindowPosition(0,0);
glutDisplayFunc(&displayFunc);
glutReshapeFunc(&reshapeFunc);
+ glutMotionFunc(&motionFunc);
+ glutMouseFunc(&mouseFunc);
//glutIdleFunc(&idleFunc);
- Envs.push_back( pair<unsigned long int,cubelooks::env*>(pthread_self(), (cubelooks::env*)Env) );
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glEnable( GL_BLEND );
glutMainLoop();
}
};
-cubelooks::cube::cube()
+cubelooks::cube::cube(int _l)
{
+ l = _l;
+ link = new float[l*l*l*3 * 4];
+ plaq = new float[l*l*l*3 * 4];
+ az = 30;
+ alt = -20;
+ zoom = 0.6;
id = allid;
allid++;
+
+ for (int i=0; i<l*l*l*3; i++) {
+ link[i*4+0]=1; link[i*4+3]=0.6;
+ plaq[i*4+1]=1; plaq[i*4+3]=0.2;
+ }
}
-cubelooks::cubelooks(const int& xcubes, const int& ycubes, int *argc, char **argv)
+cubelooks::cubelooks(const int& xcubes, const int& ycubes, const int& l, int *argc, char **argv)
{
- Env.argc = argc;
- Env.argv = argv;
- Env.layout[0] = xcubes;
- Env.layout[1] = ycubes;
+ _Env.argc = argc;
+ _Env.argv = argv;
+ _Env.layout[0] = xcubes;
+ _Env.layout[1] = ycubes;
+ _Env.aspect = (double)xcubes/ycubes;
for (int icube=0; icube<xcubes*ycubes; icube++) {
- cube newCube;
- Env.cubes.push_back(newCube);
+ cube newCube(l);
+ _Env.cubes.push_back(newCube);
}
- pthread_create(&glThreadId, 0, &mygl::glutThread, &Env);
+ Env = &_Env;
+
+ pthread_create(&glThreadId, 0, &mygl::glutThread, NULL);
+
+ sleep(2);
}