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Removed all sgMultMat4 in favor of Pre/PostMultMat4. Steve says there is

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an error in MultMat4 that isn't found in Pre/Post.  He wants to fix it which
means different versions of plib could work differently from each other.
This commit is contained in:
curt 2000-04-04 05:46:37 +00:00
parent 7db09cfd2f
commit 616610a962
1 changed files with 23 additions and 7 deletions
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30
src/Main/views.cxx
View file

@ -192,15 +192,21 @@ void FGView::UpdateViewMath( const FGInterface& f ) {
sgMat4 THETA; // pitch
sgMakeRotMat4( THETA, f.get_Theta() * RAD_TO_DEG, pitchvec );
// ROT = PHI * THETA
sgMat4 ROT;
sgMultMat4( ROT, PHI, THETA );
// sgMultMat4( ROT, PHI, THETA );
sgCopyMat4( ROT, PHI );
sgPostMultMat4( ROT, THETA );
sgVec3 yawvec;
sgSetVec3( yawvec, 1.0, 0.0, 0.0 );
sgMat4 PSI; // pitch
sgMakeRotMat4( PSI, -f.get_Psi() * RAD_TO_DEG, yawvec );
sgMultMat4( LOCAL, ROT, PSI );
// LOCAL = ROT * PSI
// sgMultMat4( LOCAL, ROT, PSI );
sgCopyMat4( LOCAL, ROT );
sgPostMultMat4( LOCAL, PSI );
// cout << "LOCAL matrix" << endl;
// print_sgMat4( LOCAL );
@ -220,8 +226,10 @@ void FGView::UpdateViewMath( const FGInterface& f ) {
// printf( " Alt Up = (%.4f, %.4f, %.4f)\n",
// alt_up.x, alt_up.y, alt_up.z);
sgMat4 TMP2;
sgMultMat4( VIEWo, LOCAL, UP );
// VIEWo = LOCAL * UP
// sgMultMat4( VIEWo, LOCAL, UP );
sgCopyMat4( VIEWo, LOCAL );
sgPostMultMat4( VIEWo, UP );
// cout << "VIEWo matrix" << endl;
// print_sgMat4( VIEWo );
@ -241,8 +249,13 @@ void FGView::UpdateViewMath( const FGInterface& f ) {
// cout << "VIEW_OFFSET matrix" << endl;
// print_sgMat4( VIEW_OFFSET );
sgMultMat4( TMP2, VIEWo, VIEW_OFFSET );
sgMultMat4( VIEW_ROT, LARC_TO_SSG, TMP2 );
// VIEW_ROT = LARC_TO_SSG * ( VIEWo * VIEW_OFFSET )
sgMat4 TMP2;
// sgMultMat4( TMP2, VIEWo, VIEW_OFFSET );
// sgMultMat4( VIEW_ROT, LARC_TO_SSG, TMP2 );
sgCopyMat4( VIEW_ROT, VIEWo );
sgPostMultMat4( VIEW_ROT, VIEW_OFFSET );
sgPreMultMat4( VIEW_ROT, LARC_TO_SSG );
// cout << "VIEW_ROT matrix" << endl;
// print_sgMat4( VIEW_ROT );
@ -251,7 +264,10 @@ void FGView::UpdateViewMath( const FGInterface& f ) {
view_pos.y() + pilot_offset_world[1],
view_pos.z() + pilot_offset_world[2] );
sgMultMat4( VIEW, VIEW_ROT, TRANS );
// VIEW = VIEW_ROT * TRANS
// sgMultMat4( VIEW, VIEW_ROT, TRANS );
sgCopyMat4( VIEW, VIEW_ROT );
sgPostMultMat4( VIEW, TRANS );
//!!!!!!!!!!!!!!!!!!!
// THIS IS THE EXPERIMENTAL VIEWING ANGLE SHIFTER