c - too much specular light opengl -

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these settings diffuse,ambient , specualar , position of light. scene looks extremly lit specualar light. have tried adjusting position of light doesn't anything. glfloat greendiffusematerial[] = {0.0, 1.0, 0.0,1.0}; glfloat whitespecularmaterial[] = {1.0, 1.0, 1.0,1.0}; glfloat greenambientmaterial[] = {0.0, 1.0, 0.2,1.0};

glfloat greenemissivematerial[] = {0.0, 1.0, 0.5,1.0}; glfloat lightposition[] = { 0.0,1.0,0.0, 0.0}; glfloat ambientlight[]  = { 0.0, 0.0, 0.0, 1.0 }; glfloat diffuselight[]  = { 1.0, 1.0, 1.0, 1.0 }; glfloat specularlight[] = { 1.0, 1.0, 1.0, 1.0 };

edit 1 

 (int g =0;g<6400;g++){     glbegin(gl_quads);         if(mounttext %2 ==0){gltexcoord2f(islandvert[g][0] /xscale,islandvert[g][2] / zscale);}         else{                 glenable(gl_normalize);         gldisable(gl_texture_2d);         glshademodel(gl_smooth);         glenable(gl_color_material);         glenable(gl_depth_test);                         glmaterialfv(gl_front_and_back, gl_ambient, greenambientmaterial);                         glmaterialfv(gl_front_and_back, gl_diffuse, greendiffusematerial);                         glmaterialfv(gl_front_and_back, gl_specular, whitespecularmaterial);                         glmaterialfv(gl_front_and_back, gl_shininess, mshininess);                             glcolormaterial(gl_front_and_back, gl_diffuse);                             glcolormaterial(gl_front_and_back, gl_ambient);                         glcolormaterial(gl_front_and_back, gl_specular);                     glpolygonmode(gl_front_and_back, gl_fill);}         glnormal3f(vertnorm[g][0],vertnorm[g][1],vertnorm[g][2]);          glvertex3f(islandvert[g][0],islandvert[g][1],islandvert[g][2]);         g++;         if(mounttext %2 ==0){gltexcoord2f(islandvert[g][0] / xscale, islandvert[g][2] / zscale);}         else{             glenable(gl_normalize);         gldisable(gl_texture_2d);         glshademodel(gl_smooth);         glenable(gl_color_material);         glenable(gl_depth_test);         glmaterialfv(gl_front_and_back, gl_specular, whitespecularmaterial);                         glmaterialfv(gl_front_and_back, gl_ambient, greenambientmaterial);                         glmaterialfv(gl_front_and_back, gl_diffuse, greendiffusematerial);                         glmaterialfv(gl_front_and_back, gl_shininess, mshininess);                             glcolormaterial(gl_front_and_back, gl_diffuse);                             glcolormaterial(gl_front_and_back, gl_ambient);                             glcolormaterial(gl_front_and_back, gl_specular);                     glpolygonmode(gl_front_and_back, gl_fill);}         glnormal3f(vertnorm[g][0],vertnorm[g][1],vertnorm[g][2]);         glvertex3f(islandvert[g][0],islandvert[g][1],islandvert[g][2]);         g++;          if(mounttext %2 ==0){gltexcoord2f(islandvert[g][0] / xscale, islandvert[g][2] / zscale);}         else{                 glenable(gl_normalize);         gldisable(gl_texture_2d);         glshademodel(gl_smooth);         glenable(gl_color_material);         glenable(gl_depth_test);                         glmaterialfv(gl_front_and_back, gl_ambient, greenambientmaterial);                         glmaterialfv(gl_front_and_back, gl_diffuse, greendiffusematerial);                         glmaterialfv(gl_front_and_back, gl_specular, whitespecularmaterial);                         glmaterialfv(gl_front_and_back, gl_shininess, mshininess);                             glcolormaterial(gl_front_and_back, gl_diffuse);                             glcolormaterial(gl_front_and_back, gl_ambient);                             glcolormaterial(gl_front_and_back, gl_specular);                                         glpolygonmode(gl_front_and_back, gl_fill);}         glnormal3f(vertnorm[g][0],vertnorm[g][1],vertnorm[g][2]);         glvertex3f(islandvert[g][0],islandvert[g][1],islandvert[g][2]);          g++;          if(mounttext %2 ==0){gltexcoord2f(islandvert[g][0] / xscale, islandvert[g][2] / zscale);}         else{                 glenable(gl_normalize);         gldisable(gl_texture_2d);         glshademodel(gl_smooth);         glenable(gl_color_material);         glenable(gl_depth_test);                         glmaterialfv(gl_front_and_back, gl_ambient, greenambientmaterial);                         glmaterialfv(gl_front_and_back, gl_diffuse, greendiffusematerial);                         glmaterialfv(gl_front_and_back, gl_specular, whitespecularmaterial);                         glmaterialfv(gl_front_and_back, gl_shininess, mshininess);                             glcolormaterial(gl_front_and_back, gl_diffuse);                             glcolormaterial(gl_front_and_back, gl_ambient);                             glcolormaterial(gl_front_and_back, gl_specular);                     glpolygonmode(gl_front_and_back, gl_fill);}         glnormal3f(vertnorm[g][0],vertnorm[g][1],vertnorm[g][2]);         glvertex3f(islandvert[g][0],islandvert[g][1],islandvert[g][2]);     glend(); }

basiclly @ each cordinate check if texture on or not , if it's not want set original green material. result i'm getting 1 side of object extremly lit , other side ambient. vertex normals work because there smooth shading think might have position of light. when try change scene remains same.

this part alone

glfloat greenemissivematerial[] = {0.0, 1.0, 0.5,1.0};

will make object appear in color (0, 1, 0.5) independent of light source specify. real lighting add color, making brighter.


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