[Fix] Fix orientation of star glow.

2017-11-25 13:37:57 +00:00 · 2017-11-25 13:37:57 +00:00 · 311bb6e24c
commit 311bb6e24c
parent 6131753132
7 changed files with 4 additions and 6 deletions
--- a/icons/object_star_a.png
+++ b/icons/object_star_a.png
--- a/icons/object_star_b.png
+++ b/icons/object_star_b.png
--- a/icons/object_star_f.png
+++ b/icons/object_star_f.png
--- a/icons/object_star_g.png
+++ b/icons/object_star_g.png
--- a/icons/object_star_k.png
+++ b/icons/object_star_k.png
--- a/icons/object_star_m.png
+++ b/icons/object_star_m.png
--- a/src/star.cpp
+++ b/src/star.cpp
@ -19,12 +19,10 @@ void Star::SetPosition(vector3d p) {
 static void DrawCorona(double rad, vector3d& pos, const float col[3]) {
  glPushMatrix();
  /* Face the camera damnit! */
-  vector3d dir = vector3d::Normalize(pos);
-  vector3d d2  = vector3d(0, 1, 0);
-  vector3d d3  = vector3d::Cross(dir, d2);
-  d3.Normalize();
-  d2 = vector3d::Cross(dir, d3);
-  matrix4x4d rot = matrix4x4d::MakeRotMatrix(d3, d2, dir);
+  vector3d zaxis = vector3d::Normalize(pos);
+  vector3d xaxis = vector3d::Normalize(vector3d::Cross(zaxis, vector3d(0, 1, 0)));
+  vector3d yaxis = vector3d::Cross(zaxis, xaxis);
+  matrix4x4d rot = matrix4x4d::MakeRotMatrix(xaxis, yaxis, zaxis).InverseOf();
  glMultMatrixd(&rot[0]);

  glEnable(GL_BLEND);