z fix attempt

1 files changed, 2 insertions, 2 deletions

diff --git a/src/camera-offset.cpp b/src/camera-offset.cpp
index ad5c8818..95933316 100644
--- a/src/camera-offset.cpp
+++ b/src/camera-offset.cpp
@@ -8,15 +8,15 @@ with_shifted_camera_offset::with_shifted_camera_offset(tile_shader& shader, chun
     _shader{shader},
     _camera{shader.camera_offset()}
 {
+    (void)last_;
     fm_assert(shader.depth_offset() == 0.f);
 
     auto z = int{c_.z};
     auto offset = _camera + tile_shader::project((Vector3d(c_.x, c_.y, 0) * TILE_MAX_DIM20d + Vector3d(0, 0, z)) * dTILE_SIZE);
     auto pos  = chunk_coords(c_) - first_;
-    auto len = (last_ - first_) + Vector2i(1, 1);
     constexpr auto depth_start = -1 + 1.111e-16f;
 
-    int depth = TILE_MAX_DIM * pos.x() + (int)TILE_COUNT * len.x() * pos.y();
+    int depth = TILE_MAX_DIM*2 * pos.sum();
 
 #if 0
     if (c_ == chunk_coords_{} || c_ == chunk_coords_{0, -1, 1})