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Code Issues 123 Wiki Activity

removed glGet() from frustum calculation

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tmj-fstate
2017-03-15 02:57:54 +01:00
parent ae39c824bb
commit 9486ba26cb
7 changed files with 94 additions and 296 deletions
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17
frustum.cpp
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@@ -14,26 +14,15 @@ void
cFrustum::calculate( glm::mat4 &Projection, glm::mat4 &Modelview ) {
/*
float proj[ 16 ];
*/
float modl[ 16 ];
float *proj = &Projection[ 0 ][ 0 ];
/*
float *modl = &Modelview[ 0 ][ 0 ];
*/
float *proj = &Projection[ 0 ][ 0 ];
float *modl = &Modelview[ 0 ][ 0 ];
float clip[ 16 ];
/*
glGetFloatv( GL_PROJECTION_MATRIX, proj );
*/
glGetFloatv( GL_MODELVIEW_MATRIX, modl );
glm::mat4 modelview = glm::make_mat4( modl );
for( int col = 0; col < 4; ++col )
for( int row = 0; row < 4; ++row ) {
auto difference = modelview[ col ][ row ] - Modelview[ col ][ row ];
// assert( difference <= 0.01f );
}
*/
// multiply the matrices to retrieve clipping planes
clip[ 0 ] = modl[ 0 ] * proj[ 0 ] + modl[ 1 ] * proj[ 4 ] + modl[ 2 ] * proj[ 8 ] + modl[ 3 ] * proj[ 12 ];