OpenGL templates Mac Cmake OpenGL (Glut) template

Some of the features that you often use to make a template, have a light effect, you can zoom in with the mouse, around the origin point of the rotating coordinate system

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Main.cpp

#include <GLUT/glut.h> #include <cstdlib> * for exit */#include <vector>using namespace Std;float zoom = 2000.f;float Rotx = 20;float Roty = 0;float tx = 0;float ty = 0;int lastx=0;int lasty=0;unsigned char buttons[3] = {0};f Loat lightposition[] = { -200, +, 1.0f};float ambientlight[] = {0.2f, 0.2f, 0.2f, 1.0f};float diffuselight[] = { 0.8f, 0.8f, 0.8, 1.0f};float specularlight[] = {0.5f, 0.5f, 0.5f, 1.0f};void drawcoordinate (float _flengthx, float _fle    Ngthy, float _flengthz) {gllinewidth (5);    Glbegin (Gl_lines);    glcolor3f (1,0,0);    glvertex3f (0,0,0);    glvertex3f (_flengthx,0,0);        Glend ();    Glbegin (Gl_lines);    glcolor3f (0,1,0);    glvertex3f (0,0,0);    glvertex3f (0,_flengthy,0);        Glend ();    Glbegin (Gl_lines);    glcolor3f (0,0,1);    glvertex3f (0,0,0);    glvertex3f (0,0,_flengthz); Glend ();}    void Init () {Glshademodel (Gl_smooth);    Glclearcolor (0.0f, 0.0f, 0.0f, 0.0f);    Glcleardepth (1.0f); glcolor4f (1.0f, 1.0f, 1.0f, 1.0f);    Glhint (Gl_perspective_correction_hint, gl_nicest);    Gldepthfunc (gl_lequal);        Glenable (gl_depth_test);        Glenable (Gl_cull_face); Glenable (gl_normalize);}        void reshape (int w, int h) {//Prevent divide by 0 error when minimised if (w==0) h = 1;    Glviewport (0,0,W,H);    Glmatrixmode (gl_projection);    Glloadidentity ();    Gluperspective (w/h,0.1,5000, (float));    Glmatrixmode (Gl_modelview); Glloadidentity ();} -------------------------------------------------------------------------------//void Motion (int x,int y) {int    DIFFX=X-LASTX;    int diffy=y-lasty;    Lastx=x;        Lasty=y;    if (buttons[2]) {Zoom-= (float) 1* diffx*2;            } else if (Buttons[0]) {rotx + = (float) 1 * diffy;        Roty + = (float) 1 * DIFFX;                } else if (Buttons[1]) {tx + = (float) 1 * DIFFX;            Ty-= (float) 1 * diffy; } glutpostredisplay ();} //-------------------------------------------------------------------------------//void Mouse (int b,int s,int x,int y) {    Lastx=x;    Lasty=y;            Switch (b) {case Glut_left_button:buttons[0] = ((glut_down==s)? 1:0);        Break            Case Glut_middle_button:buttons[1] = ((glut_down==s)? 1:0);        Break            Case Glut_right_button:buttons[2] = ((glut_down==s)? 1:0);        Break    Default:break; } glutpostredisplay ();} -------------------------------------------------------------------------------///void Display () {glclear (gl_        Color_buffer_bit|gl_depth_buffer_bit);        Glloadidentity ();    Gltranslatef (0,0,-zoom);    Gltranslatef (tx,ty,0);    Glrotatef (rotx,1,0,0);        Glrotatef (roty,0,1,0);        glcolor3f (1.0f,1.0f,1.0f);    Draw Grid gllinewidth (2);    Glbegin (Gl_lines);        for (int i=-1000;i<=1000;i+=100) {glvertex3f (i,0,-1000);               glvertex3f (i,0,1000); glvertex3f (1000,0,i);    glvertex3f ( -1000,0,i);        } glend ();    GLLIGHTFV (gl_light1, gl_ambient, ambientlight);    GLLIGHTFV (gl_light1, Gl_diffuse, diffuselight);    GLLIGHTFV (gl_light1, Gl_specular, specularlight);        GLLIGHTFV (gl_light1, gl_position, lightposition);    Glenable (GL_LIGHT1);            Glenable (gl_lighting);    Glcolormaterial (Gl_front_and_back,gl_ambient_and_diffuse);        Glenable (gl_color_material);    glcolor3f (0, 1, 0);    Glpushmatrix ();    Gltranslatef (0, 200, 0);    Glutsolidsphere (200, 50, 50);    Glpopmatrix ();        Drawcoordinate (1000,1000,1000);    Gldisable (gl_lighting);        Gldisable (gl_color_material);        Glutpostredisplay (); Glutswapbuffers ();} void Keyboard (unsigned char key, int x, int y) {switch (key) {case ' Q ': Case ' Q ': Case://ESC            Key exit (0);    Break    }}int Main (int argc,char** argv) {glutinit (&AMP;ARGC,ARGV); Glutinitdisplaymode (glut_double| glut_rgba| Glut_dePTH);    Glutinitwindowsize (640,480);    Glutinitwindowposition (100,100);    Glutcreatewindow ("GLUT Framework");    Glutdisplayfunc (Display);    Glutreshapefunc (reshape);    Glutmousefunc (Mouse);    Glutmotionfunc (Motion);    Glutkeyboardfunc (Keyboard);        Init ();        Glutmainloop (); return 0;}

CMakeLists.txt

Cmake_minimum_required (VERSION 2.6) Project (OpenGL) Find_package (OpenGL required) Include_directories (${opengl_ Include_dir}) Find_package (GLUT REQUIRED) include_directories (${glut_include_dir}) Set (Cmake_cxx_flags "-g-wall") Add_executable (OpenGL Main.cpp) target_link_libraries (OpenGL ${glut_library} ${opengl_library})

Open the terminal in the folder where Main.cpp and CMakeLists.txt are running

mkdir Build

CD Build

Cmake-g "Unix makefiles".

Make

./opengl

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OpenGL templates Mac Cmake OpenGL (Glut) template