void draw(fl_Gl_Window cube) {
instance_data* cube_data = (instance_data*)Fl_Gl_Window_other_data(cube);
cube_data->lasttime = cube_data->lasttime+cube_data->speed;
Fl_Gl_Window_set_other_data(cube, cube_data);
if (!Fl_Gl_Window_valid(cube)) {
glLoadIdentity();
glViewport(0,0,Fl_Gl_Window_w(cube),Fl_Gl_Window_h(cube));
glEnable(GL_DEPTH_TEST);
glFrustum(-1,1,-1,1,2,10000);
glTranslatef(0,0,-10);
flc_gl_font(FL_HELVETICA_BOLD, 16 );
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glRotatef((float)(cube_data->lasttime*1.6),0,0,1);
glRotatef((float)(cube_data->lasttime*4.2),1,0,0);
glRotatef((float)(cube_data->lasttime*2.3),0,1,0);
glTranslatef(-1.0, 1.2f, -1.5);
glScalef((float)(cube_data->size),(float)(cube_data->size),(float)(cube_data->size));
drawcube(cube_data->wire);
glPopMatrix();
flc_gl_color(FL_GRAY);
glDisable(GL_DEPTH_TEST);
flc_gl_draw_with_xy(cube_data->wire ? "Cube: wire" : "Cube: flat", -4.5f, -4.5f );
glEnable(GL_DEPTH_TEST);
}
void display2()
{
GLint i = 0;
glutSetWindow(id2);
glPushMatrix();
glLoadIdentity();
gluLookAt(5, 12, 16, 0, 0, 0, 0, 1, 0);
glLightfv(GL_LIGHT0, GL_POSITION, light0_position);
drawglobalaxes();
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
drawlocalaxes();
glPopMatrix();
glutSwapBuffers();
}
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
glTranslatef(0.1*i, 0.0, 0.0);
drawlocalaxes();
glPopMatrix();
glutSwapBuffers();
}
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
glTranslatef(3.0, 0.0, 0.0);
glRotatef(3.0*i, 0.0, 1.0, 0.0);
drawlocalaxes();
glPopMatrix();
glutSwapBuffers();
}
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
glTranslatef(3.0, 0.0, 0.0);
glRotatef(90, 0.0, 1.0, 0.0);
glTranslatef(0.2*i, 0.0, 0.0);
drawlocalaxes();
glPopMatrix();
glutSwapBuffers();
}
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
glTranslatef(3.0, 0.0, 0.0);
glRotatef(90, 0.0, 1.0, 0.0);
glTranslatef(6.0, 0.0, 0.0);
drawlocalaxes();
glPopMatrix();
glutSwapBuffers();
}
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
glTranslatef(3.0, 0.0, 0.0);
glRotatef(90, 0.0, 1.0, 0.0);
glTranslatef(6.0, 0.0, 0.0);
drawlocalaxes();
drawcube();
glPopMatrix();
glutSwapBuffers();
}
for(i = 0; i <= 30; i++)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
drawglobalaxes();
glPushMatrix();
glTranslatef(3.0, 0.0, 0.0);
glRotatef(90, 0.0, 1.0, 0.0);
glTranslatef(6.0, 0.0, 0.0);
drawcube();
glPopMatrix();
glutSwapBuffers();
}
glPopMatrix();
glutSwapBuffers();
glFlush();
}
void display(void)
{
if (is_depth)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
else
glClear(GL_COLOR_BUFFER_BIT);
/* draw the floor */
glBegin(GL_QUADS);
glColor3f(0.2f, 0.2f, 0.2f);
glVertex3f(-100.0, 0.0, -100.0);
glColor3f(0.4f, 0.4f, 0.4f);
glVertex3f(-100.0, 0.0, 100.0);
glColor3f(0.6f, 0.6f, 0.6f);
glVertex3f(100.0, 0.0, 100.0);
glColor3f(0.8f, 0.8f, 0.8f);
glVertex3f(100.0, 0.0, -100.0);
glEnd();
/* draw 12 cubes with different colors */
drawcube(75, 57, 2);
drawcube(-65, -12, 3);
drawcube(50, -50, 1);
drawcube(-56, 17, 2);
drawcube(67, 12, 3);
drawcube(-87, 32, 1);
drawcube(-26, 75, 2);
drawcube(57, 82, 3);
drawcube(-3, 12, 1);
drawcube(46, 35, 2);
drawcube(37, -2, 3);
glutSwapBuffers();
}
