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gamma is a math function.

This commit is contained in:
Federico Ponchio 2004-09-16 14:08:35 +00:00
parent 397fa72c41
commit 1466557a9f
1 changed files with 17 additions and 14 deletions
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31
apps/shadevis/shadevis.cpp
View File

@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.5 2004/09/10 14:02:20 cignoni
Added Cone directions
Revision 1.4 2004/09/09 22:34:38 cignoni Revision 1.4 2004/09/09 22:34:38 cignoni
Integrated lost modifications... Integrated lost modifications...
@ -83,7 +86,7 @@ bool ClosedFlag=false;
Point3f ConeDir(0,1,0); Point3f ConeDir(0,1,0);
float ConeAngleRad = math::ToRad(180.0f); float ConeAngleRad = math::ToRad(180.0f);
float lopass=0,hipass=1,gamma=1; float lopass=0,hipass=1,gamma_correction=1;
float diff=.8; float diff=.8;
float ambi=.2; float ambi=.2;
@ -218,7 +221,7 @@ void ViewDisplay (void)
glLoadIdentity (); glLoadIdentity ();
glPushMatrix(); glPushMatrix();
QL.Apply(); QL.Apply();
glutPrintf(5,5,"Diffuse %04.2f Ambient %04.2f LowPass %04.2f HiPass %04.2f Gamma %04.2f ",diff,ambi,lopass,hipass,gamma); glutPrintf(5,5,"Diffuse %04.2f Ambient %04.2f LowPass %04.2f HiPass %04.2f Gamma %04.2f ",diff,ambi,lopass,hipass,gamma_correction);
GLfloat light_position0[] = {0.0, 10.0, 300.0, 0.0}; GLfloat light_position0[] = {0.0, 10.0, 300.0, 0.0};
glLightfv(GL_LIGHT0, GL_POSITION, light_position0); glLightfv(GL_LIGHT0, GL_POSITION, light_position0);
glPopMatrix(); glPopMatrix();
@ -262,8 +265,8 @@ void ViewSpecialKey(int , int , int )
void Toggle(bool &flag) {flag = !flag;} void Toggle(bool &flag) {flag = !flag;}
void UpdateVis() void UpdateVis()
{ {
if(LightFlag) Vis.MapVisibility(gamma,lopass,hipass,ambi); if(LightFlag) Vis.MapVisibility(gamma_correction,lopass,hipass,ambi);
if(!LightFlag) Vis.MapVisibility(gamma,lopass,hipass,1.0); if(!LightFlag) Vis.MapVisibility(gamma_correction,lopass,hipass,1.0);
} }
/*********************************************************************/ /*********************************************************************/
/*********************************************************************/ /*********************************************************************/
@ -275,17 +278,17 @@ void ViewKey(unsigned char key, int , int )
case 27: exit(0); break; case 27: exit(0); break;
case 9: if(Q==&QV) Q=&QL;else Q=&QV; break; case 9: if(Q==&QV) Q=&QL;else Q=&QV; break;
case 'l' : case 'l' :
lopass=lopass+.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma); lopass=lopass+.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma_correction);
UpdateVis(); UpdateVis();
break; break;
case 'L' : case 'L' :
lopass=lopass-.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma); lopass=lopass-.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma_correction);
UpdateVis(); break; UpdateVis(); break;
case 'h' : case 'h' :
hipass=hipass-.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma); hipass=hipass-.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma_correction);
UpdateVis(); break; UpdateVis(); break;
case 'H' : case 'H' :
hipass=hipass+.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma); hipass=hipass+.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma_correction);
UpdateVis(); break; UpdateVis(); break;
case 'd' : diff+=.05; printf("Ambient %f Diffuse %f, \n",ambi,diff); UpdateVis(); break; case 'd' : diff+=.05; printf("Ambient %f Diffuse %f, \n",ambi,diff); UpdateVis(); break;
case 'D' : diff-=.05; printf("Ambient %f Diffuse %f, \n",ambi,diff); UpdateVis(); break; case 'D' : diff-=.05; printf("Ambient %f Diffuse %f, \n",ambi,diff); UpdateVis(); break;
@ -296,10 +299,10 @@ void ViewKey(unsigned char key, int , int )
case 'E' : ambi-=.05; diff+=.05; printf("Ambient %f Diffuse %f, \n",ambi,diff); UpdateVis(); break; case 'E' : ambi-=.05; diff+=.05; printf("Ambient %f Diffuse %f, \n",ambi,diff); UpdateVis(); break;
case 'p' : case 'p' :
gamma=gamma-.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma); gamma_correction=gamma_correction-.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma_correction);
UpdateVis(); break; UpdateVis(); break;
case 'P' : case 'P' :
gamma=gamma+.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma); gamma_correction=gamma_correction+.05; printf("Lo %f, Hi %f Gamma %f\n",lopass,hipass,gamma_correction);
UpdateVis(); break; UpdateVis(); break;
case 13 : case 13 :
//Vis.ComputeUniform(SampleNum,ViewVector,cb); //Vis.ComputeUniform(SampleNum,ViewVector,cb);
@ -343,10 +346,10 @@ void ViewKey(unsigned char key, int , int )
break; break;
case 'C' : LightFlag = !LightFlag; printf("Toggled Light %s\n",LightFlag?"on":"off"); UpdateVis(); break; case 'C' : LightFlag = !LightFlag; printf("Toggled Light %s\n",LightFlag?"on":"off"); UpdateVis(); break;
case 'c' : ColorFlag = !ColorFlag; printf("Toggled Color %s\n",ColorFlag?"on":"off"); break; case 'c' : ColorFlag = !ColorFlag; printf("Toggled Color %s\n",ColorFlag?"on":"off"); break;
case '1' : diff=0.80f; ambi=0.10f; gamma=1.0; lopass=0.00f; hipass=1.00f; ColorFlag=false; UpdateVis(); break; case '1' : diff=0.80f; ambi=0.10f; gamma_correction=1.0; lopass=0.00f; hipass=1.00f; ColorFlag=false; UpdateVis(); break;
case '2' : diff=0.65f; ambi=0.30f; gamma=1.0; lopass=0.15f; hipass=0.80f; ColorFlag=true; UpdateVis(); break; case '2' : diff=0.65f; ambi=0.30f; gamma_correction=1.0; lopass=0.15f; hipass=0.80f; ColorFlag=true; UpdateVis(); break;
case '3' : diff=0.45f; ambi=0.50f; gamma=1.0; lopass=0.20f; hipass=0.75f; ColorFlag=true; UpdateVis(); break; case '3' : diff=0.45f; ambi=0.50f; gamma_correction=1.0; lopass=0.20f; hipass=0.75f; ColorFlag=true; UpdateVis(); break;
case '4' : diff=0.35f; ambi=0.60f; gamma=1.0; lopass=0.25f; hipass=0.70f; ColorFlag=true; UpdateVis(); break; case '4' : diff=0.35f; ambi=0.60f; gamma_correction=1.0; lopass=0.25f; hipass=0.70f; ColorFlag=true; UpdateVis(); break;
} }
glutPostRedisplay(); ; glutPostRedisplay(); ;
} }