X logo billboarding

[faros-demo] / src / geom.cc

diff --git a/src/geom.cc b/src/geom.cc
index a0d99cf..62e36d3 100644 (file)
--- a/src/geom.cc
+++ b/src/geom.cc
@@ -121,6 +121,15 @@ void xlogo()
                -0.058, -0.182, 0.114, -0.079, 0.500, 0.407, 0.411, 0.407
        };
 
+       /* billboarding */
+       float mv[16];
+       glGetFloatv(GL_MODELVIEW_MATRIX, mv);
+       mv[0] = mv[5] = mv[10] = 1.0f;
+       mv[1] = mv[2] = mv[4] = mv[6] = mv[8] = mv[9] = 0.0f;
+
+       glPushMatrix();
+       glLoadMatrixf(mv);
+
        glPushAttrib(GL_ENABLE_BIT);
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -134,4 +143,5 @@ void xlogo()
        glEnd();
 
        glPopAttrib();
+       glPopMatrix();
 }