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Working on getting ssg integrated.

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This commit is contained in:
curt 1999-06-19 04:48:07 +00:00
parent 6e10fd9a05
commit bfe5df5f24
3 changed files with 90 additions and 44 deletions

43
src/Main/main.cxx
View file

@ -401,24 +401,33 @@ static void fgRenderFrame( void ) {
xglLoadIdentity();
ssgSetFOV(60.0f, 0.0f);
ssgSetNearFar(1.0f, 700.0f);
sgMat4 sgTRANS;
sgMakeTransMat4( sgTRANS,
current_view.view_pos.x()
+ current_view.view_forward[0] * 20,
current_view.view_pos.y()
+ current_view.view_forward[1] * 20,
current_view.view_pos.z()
+ current_view.view_forward[2] * 20 );
sgMat4 sgTMP;
sgMat4 sgTUX;
sgMultMat4( sgTMP, current_view.sgUP, sgTRANS );
sgMultMat4( sgTUX, current_view.sgLARC_TO_SSG, sgTMP );
sgCoord tuxpos;
sgSetCoord( &tuxpos,
current_view.view_pos.x() + current_view.view_forward[0]
* 20,
current_view.view_pos.y() + current_view.view_forward[1]
* 20,
current_view.view_pos.z() + current_view.view_forward[2]
* 20,
0.0, 0.0, 0.0 );
sgSetCoord( &tuxpos, sgTUX );
penguin->setTransform( &tuxpos );
sgCoord campos;
sgSetCoord( &campos,
current_view.view_pos.x(),
current_view.view_pos.y(),
current_view.view_pos.z(),
0, 0, 0 );
ssgSetCamera( &campos );
sgMakeTransMat4( sgTRANS,
current_view.view_pos.x(),
current_view.view_pos.y(),
current_view.view_pos.z() );
sgMat4 sgVIEW;
sgMultMat4( sgVIEW, current_view.sgVIEW, sgTRANS );
ssgSetCamera( sgVIEW );
// ssgSetCamera( current_view.sgVIEW );
ssgCullAndDraw( scene );
}
@ -1058,8 +1067,8 @@ int main( int argc, char **argv ) {
// distribution) specifically from the ssg tux example
//
ssgModelPath( "/stage/pinky01/src/Libs/plib-1.0.12/examples/ssg/tux/data/" );
ssgTexturePath( "/stage/pinky01/src/Libs/plib-1.0.12/examples/ssg/tux/data/" );
ssgModelPath( "/h/curt/src/Libs/plib-1.0.12/examples/ssg/tux/data/" );
ssgTexturePath( "/h/curt/src/Libs/plib-1.0.12/examples/ssg/tux/data/" );
scene = new ssgRoot;
penguin = new ssgTransform;

88
src/Main/views.cxx
View file

@ -508,8 +508,6 @@ void FGView::UpdateViewMath( FGInterface *f ) {
MAT3mat R, TMP, UP, LOCAL, VIEW;
double ntmp;
sgMat4 sgLOCAL, sgUP, sgVIEW;
if ( update_fov ) {
// printf("Updating fov\n");
UpdateFOV( current_options );
@ -603,38 +601,79 @@ void FGView::UpdateViewMath( FGInterface *f ) {
} else {
// calculate the transformation matrix to go from LaRCsim to ssg
sgVec3 vec1;
sgSetVec3( vec1, 0.0, 1.0, 0.0 );
sgMat4 mat1;
sgMakeRotMat4( mat1, 90, vec1 );
sgVec3 vec2;
sgSetVec3( vec2, 1.0, 0.0, 0.0 );
sgMat4 mat2;
sgMakeRotMat4( mat2, 90, vec2 );
sgMultMat4( sgLARC_TO_SSG, mat1, mat2 );
cout << "LaRCsim to SSG:" << endl;
MAT3mat print;
int i;
int j;
for ( i = 0; i < 4; i++ ) {
for ( j = 0; j < 4; j++ ) {
print[i][j] = sgLARC_TO_SSG[i][j];
}
}
MAT3print( print, stdout);
// code to calculate LOCAL matrix calculated from Phi, Theta, and
// Psi (roll, pitch, yaw) in case we aren't running LaRCsim as our
// flight model
MAT3_SET_VEC(vec, 0.0, 0.0, 1.0);
MAT3rotate(R, vec, f->get_Phi());
/* printf("Roll matrix\n"); */
/* MAT3print(R, stdout); */
// cout << "Roll matrix" << endl;
// MAT3print(R, stdout);
sgVec3 sgrollvec;
sgSetVec3( sgrollvec, 0.0, 0.0, 1.0 );
sgMat4 sgPHI; // roll
sgMakeRotMat4( sgPHI, f->get_Phi() * RAD_TO_DEG, sgrollvec );
MAT3_SET_VEC(vec, 0.0, 1.0, 0.0);
/* MAT3mult_vec(vec, vec, R); */
MAT3rotate(TMP, vec, f->get_Theta());
/* printf("Pitch matrix\n"); */
/* MAT3print(TMP, stdout); */
// cout << "Pitch matrix" << endl;;
// MAT3print(TMP, stdout);
MAT3mult(R, R, TMP);
// cout << "tmp rotation matrix, R:" << endl;;
// MAT3print(R, stdout);
sgVec3 sgpitchvec;
sgSetVec3( sgpitchvec, 0.0, 1.0, 0.0 );
sgMat4 sgTHETA; // pitch
sgMakeRotMat4( sgTHETA, f->get_Theta() * RAD_TO_DEG,
sgpitchvec );
sgMat4 sgROT;
sgMultMat4( sgROT, sgPHI, sgTHETA );
MAT3_SET_VEC(vec, 1.0, 0.0, 0.0);
/* MAT3mult_vec(vec, vec, R); */
/* MAT3rotate(TMP, vec, FG_Psi - FG_PI_2); */
MAT3rotate(TMP, vec, -f->get_Psi());
/* printf("Yaw matrix\n");
MAT3print(TMP, stdout); */
// cout << "Yaw matrix" << endl;
// MAT3print(TMP, stdout);
MAT3mult(LOCAL, R, TMP);
// cout << "FG derived LOCAL matrix using MAT3 routines" << endl;
// cout << "LOCAL matrix:" << endl;
// MAT3print(LOCAL, stdout);
sgMakeRotMat4( sgLOCAL,
f->get_Psi() * RAD_TO_DEG,
f->get_Phi() * RAD_TO_DEG,
f->get_Theta() * RAD_TO_DEG );
sgVec3 sgyawvec;
sgSetVec3( sgyawvec, 1.0, 0.0, 0.0 );
sgMat4 sgPSI; // pitch
sgMakeRotMat4( sgPSI, -f->get_Psi() * RAD_TO_DEG, sgyawvec );
sgMultMat4( sgLOCAL, sgROT, sgPSI );
/*
cout << "FG derived LOCAL matrix using sg routines" << endl;
MAT3mat print;
int i;
int j;
@ -644,15 +683,6 @@ void FGView::UpdateViewMath( FGInterface *f ) {
}
}
MAT3print( print, stdout);
sgMat4 sgIDENT;
sgMakeIdentMat4( sgIDENT );
for ( i = 0; i < 4; i++ ) {
for ( j = 0; j < 4; j++ ) {
print[i][j] = sgIDENT[i][j];
}
}
MAT3print( print, stdout);
*/
} // if ( use_larcsim_local_to_body )
@ -709,7 +739,10 @@ void FGView::UpdateViewMath( FGInterface *f ) {
cout << "VIEW matrix" << endl;;
MAT3print(VIEW, stdout);
sgMultMat4( sgVIEW, sgLOCAL, sgUP );
sgMat4 sgTMP;
sgMultMat4( sgTMP, sgLOCAL, sgUP );
sgMultMat4( sgVIEW, sgLARC_TO_SSG, sgTMP );
cout << "FG derived VIEW matrix using sg routines" << endl;
MAT3mat print;
int i;
@ -721,6 +754,7 @@ void FGView::UpdateViewMath( FGInterface *f ) {
}
MAT3print( print, stdout);
// generate the current up, forward, and fwrd-view vectors
MAT3_SET_VEC(vec, 1.0, 0.0, 0.0);
MAT3mult_vec(view_up, vec, VIEW);

3
src/Main/views.hxx
View file

@ -29,6 +29,7 @@
# error This library requires C++
#endif
#include <sg.h> // plib include
#include <FDM/flight.hxx>
#include <Math/mat3.h>
@ -152,6 +153,8 @@ public:
// Current model view matrix;
GLfloat MODEL_VIEW[16];
sgMat4 sgLOCAL, sgUP, sgVIEW, sgLARC_TO_SSG;
public:
// Constructor