try indicating the direction of a cut

[xonotic/netradiant.git] / radiant / brush.h

diff --git a/radiant/brush.h b/radiant/brush.h
index 851a9836524270ede2f6ce02c58a0251a38ac44b..319bcf2262acb0fc050ddac56e6ddf6393b0d974 100644 (file)
--- a/radiant/brush.h
+++ b/radiant/brush.h
@@ -3264,6 +3264,14 @@ public:
     else
     {
       Winding_DrawWireframe(m_winding);
+
+      // also draw a line indicating the direction of the cut
+         Vector3 lineverts[2];
+         Winding_Centroid(m_winding, m_plane, lineverts[0]);
+         lineverts[1] = vector3_added(lineverts[0], vector3_scaled(m_plane.normal(), g_MaxWorldCoord * 4));
+
+         glVertexPointer(3, GL_FLOAT, sizeof(Vector3), &lineverts[0]);
+         glDrawArrays(GL_LINES, 0, GLsizei(2));
     }
   }