Fix rotation angle sign convention. Thanks @kongotech

grahamrow · Jun 26, 2019 · f4a86ea · f4a86ea
1 parent d8efcfb
commit f4a86ea
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/source/shaders/standard.vert b/source/shaders/standard.vert
@@ -104,12 +104,12 @@ void main( void )
     mat4 rot_theta = mat4(1.0);
     rot_theta[1][1] = rot_theta[2][2] = cos(theta);
     rot_theta[1][2] = rot_theta[2][1] = sin(theta);
-    rot_theta[1][2] *= -1;
+    rot_theta[2][1] *= -1;
 
     mat4 rot_phi = mat4(1.0);
     rot_phi[0][0] = rot_phi[1][1] = cos(phi+0.5*PI);
     rot_phi[0][1] = rot_phi[1][0] = sin(phi+0.5*PI);
-    rot_phi[0][1] *= -1;
+    rot_phi[1][0] *= -1;
 
     model = model * rot_phi * rot_theta * sc;
     mv = view * model;