//Perform per frame updates
void UpdateFrame()
{
window.Update();
camera.Update();
//Change object type
if(window.isKeyPressed(' '))
{
++objectType;
if(objectType==3)
objectType=0;
window.SetKeyReleased(' ');
}
//Change render path
if(window.isKeyPressed('1') && renderPath!=CHROMATIC_SINGLE && pathOneSupported)
{
renderPath=CHROMATIC_SINGLE;
InitChromaticSingleStates();
}
if(window.isKeyPressed('2') && renderPath!=SIMPLE_SINGLE)
{
renderPath=SIMPLE_SINGLE;
InitSimpleSingleStates();
}
if(window.isKeyPressed('3') && renderPath!=CHROMATIC_TWIN)
{
renderPath=CHROMATIC_TWIN;
//Set States every pass, as it is a 2 pass algorithm
}
}
//Perform per frame updates
void UpdateFrame()
{
window.Update();
camera.Update();
//Update the light's position
lightPosition+=lightMovement;
//reflect the velocity if necessary
if(lightPosition.x>0.9f || lightPosition.x<-0.9f)
lightMovement.x=-lightMovement.x;
if(lightPosition.y>0.9f || lightPosition.y<-0.9f)
lightMovement.y=-lightMovement.y;
if(lightPosition.z>0.9f || lightPosition.z<-0.9f)
lightMovement.z=-lightMovement.z;
if(window.isKeyPressed('1') && codePath!=TEXTURE_ATTEN)
{
codePath=TEXTURE_ATTEN;
SetTextureAttenStates();
}
if( window.isKeyPressed('2') && codePath!=PASS_THROUGH_ATTEN &&
NV_texture_shader_supported)
{
codePath=PASS_THROUGH_ATTEN;
SetPassThroughAttenStates();
}
if( window.isKeyPressed('3') && codePath!=TEXTURE_3D_ATTEN &&
EXT_texture3D_supported)
{
codePath=TEXTURE_3D_ATTEN;
SetTexture3DAttenStates();
}
if( window.isKeyPressed('4') && codePath!=GAUSSIAN_ATTEN)
{
codePath=GAUSSIAN_ATTEN;
SetGaussianAttenStates();
}
if( window.isKeyPressed(' '))
{
currentLightColor++;
if(currentLightColor==4)
currentLightColor=0;
window.SetKeyReleased(' ');
}
}
//Perform per frame updates
void UpdateFrame()
{
window.Update();
camera.Update();
//Change anisotropy level
if( window.isKeyPressed(VK_UP) && EXT_texture_filter_anisotropic_supported &&
currentAnisotropy<maxAnisotropy)
{
window.MakeCurrent();
currentAnisotropy*=2;
glBindTexture(GL_TEXTURE_2D, pbufferTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, currentAnisotropy);
window.SetKeyReleased(VK_UP);
}
if( window.isKeyPressed(VK_DOWN) && EXT_texture_filter_anisotropic_supported &&
currentAnisotropy>1)
{
window.MakeCurrent();
currentAnisotropy/=2;
glBindTexture(GL_TEXTURE_2D, pbufferTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, currentAnisotropy);
window.SetKeyReleased(VK_DOWN);
}
//toggle mipmaps
if( window.isKeyPressed('M') && useMipmapFilter==false && SGIS_generate_mipmap_supported)
{
window.MakeCurrent();
glBindTexture(GL_TEXTURE_2D, pbufferTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, true);
useMipmapFilter=true;
}
if( window.isKeyPressed('L') && useMipmapFilter==true && SGIS_generate_mipmap_supported)
{
window.MakeCurrent();
glBindTexture(GL_TEXTURE_2D, pbufferTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP_SGIS, false);
useMipmapFilter=false;
}
//Pause/unpause
if(window.isKeyPressed('P'))
timer.Pause();
if(window.isKeyPressed('U'))
timer.Unpause();
//Swap between scenes in the pbuffer
if(window.isKeyPressed('1') && drawTextured)
{
//Draw wire tori
drawTextured=false;
}
if(window.isKeyPressed('2') && !drawTextured)
{
//draw textured sphere
drawTextured=true;
}
}