c++ - OpenGL : Is There Any Way To Use glMaterialfv( ) to Create a Transparent/Translucent Object? -

i have cylinder object below:

glmaterialfv(gl_front, gl_ambient_and_diffuse, cylinder_mat); cylinder(); 

where static glfloat cylinder_mat[] = {0.f, .5f, 1.f, 1.f}; dictates color of cylinder.

is there anyway use glmaterialfv in way make object transparent?

i guess example clarify bit you.

#include <gl/freeglut.h>  void init() {   glblendfunc(gl_src_alpha, gl_one_minus_src_alpha);   glclearcolor(1.0, 1.0, 1.0, 1.0); }  void display(void) {   glclear(gl_color_buffer_bit);   glloadidentity();    glcolor4f(0.5, 0.5, 0.5, 1.0);   glutsolidcube(0.5);    gltranslatef(-0.1, 0, 0);   glenable(gl_blend);   glcolor4f(1, 0, 0, 0.3);   glutsolidcube(0.4);   gldisable(gl_blend);    glflush(); }  int main(int argc, char *argv[]) {   glutinit(&argc, argv);   glutinitdisplaymode(glut_single|glut_rgba);   glutinitwindowsize(600,600);   glutinitwindowposition(200,50);   glutcreatewindow("glut test");   glutdisplayfunc(display);   init();   glutmainloop();   return 0; } 

note example very, simplicist. so, main purpose demostrate how use blend functions. did not take care depth removal or camera position.

i used program posted here (how use alpha transparency in opengl?) construct one.