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Raymarcher controls

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This commit is contained in:
Emmanuel BENOîT 2017-09-30 21:37:35 +02:00
parent 8b0e6e2143
commit 07b1960d5a
1 changed files with 21 additions and 1 deletions
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22
main.cc
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@ -43,6 +43,13 @@ struct T_Main
void render( );
void initProgram( );
// FIXME: move
int rmIterations = 128;
float rmStep = .9;
float rmEpsilon = .000001;
float rmMaxDist = 50;
float epsLog = log( rmEpsilon ) / log( 10 );
};
/*----------------------------------------------------------------------------*/
@ -165,6 +172,18 @@ void T_Main::makeUI( )
ImGui::Begin( "Yay! Demo!" );
camera.makeUI( );
if ( ImGui::CollapsingHeader( "Raymarcher" ) ) {
ImGui::DragInt( "Iterations" , &rmIterations , .1 , 1 , 512 );
ImGui::DragFloat( "Step" , &rmStep , .005 , .1 , 2 );
ImGui::DragFloat( "Max. dist." , &rmMaxDist , .1f ,
0.01 , 1000.0 , "%.2f" );
if ( ImGui::DragFloat( "Epsilon" , &epsLog , .01f ,
-10 , -0.5 , "10 ^ %.2f" ) ) {
rmEpsilon = pow( 10 , epsLog );
}
}
bloomPass->makeUI( );
ImGui::End( );
@ -198,7 +217,8 @@ void T_Main::render( )
glUniform3f( U_LIGHT_DIR , 0 , 1 , 1 );
glUniform4f( U_RAYMARCHER , 128 , 0.9 , 0.001 , 100 );
glUniform4f( U_RAYMARCHER , rmIterations , rmStep ,
rmEpsilon , rmMaxDist );
glRectf( -1, -1 , 1 , 1 );
}