Index: shaders/asteroid.vert
===================================================================
--- shaders/asteroid.vert	(revision 3e8cc8b7aef266654d80c142b7d4436950ceba1f)
+++ shaders/asteroid.vert	(revision 4ece3bfc62afe6a3c7f1ddff0e98daed33f106aa)
@@ -5,4 +5,5 @@
    mat4 model;
    float hp;
+   bool deleted;
 };
 
@@ -42,4 +43,8 @@
   light2_position_eye = vec3(ubo.view * vec4(light2_position_world, 1.0));
 
-  gl_Position = ubo.proj * vec4(position_eye, 1.0);
+  if (sbo.objects[obj_index].deleted) {
+     gl_Position = vec4(0.0, 0.0, 2.0, 1.0);
+  } else {
+    gl_Position = ubo.proj * vec4(position_eye, 1.0);
+  }
 }