a

1 files changed, 21 insertions, 2 deletions

diff --git a/main/camera.cpp b/main/camera.cpp
index 967e1496..2bbadd00 100644
--- a/main/camera.cpp
+++ b/main/camera.cpp
@@ -5,7 +5,7 @@ namespace floormat {
 
 void app::do_camera(float dt)
 {
-    constexpr float pixels_per_second = 512;
+    constexpr float pixels_per_second = 256;
     if (keys[key::camera_up])
         camera_offset += Vector2(0, 1) * dt * pixels_per_second;
     else if (keys[key::camera_down])
@@ -23,7 +23,7 @@ void app::do_camera(float dt)
 
 void app::reset_camera_offset()
 {
-    camera_offset = _shader.project({TILE_MAX_DIM*TILE_SIZE[0]/2.f, TILE_MAX_DIM*TILE_SIZE[1]/2.f, 0});
+    camera_offset = project({TILE_MAX_DIM*TILE_SIZE[0]/2.f, TILE_MAX_DIM*TILE_SIZE[1]/2.f, 0});
     //camera_offset = {};
 }
 
@@ -32,4 +32,23 @@ void app::update_window_scale(Vector2i sz)
     _shader.set_scale(Vector2{sz});
 }
 
+Vector2 app::pixel_to_tile(Vector2 position) const
+{
+    const auto px = position - Vector2{windowSize()}*.5f - camera_offset;
+    return unproject(px) / Vector2{TILE_SIZE[0]*.5f, TILE_SIZE[1]*.5f} + Vector2{.5f, .5f};
+}
+
+void app::draw_cursor_tile()
+{
+    if (_cursor_pos)
+    {
+        const auto tile = pixel_to_tile(Vector2(*_cursor_pos));
+        if (std::min(tile[0], tile[1]) >= 0 && std::max(tile[0], tile[1]) < (int)TILE_MAX_DIM)
+        {
+            const auto x = std::uint8_t(tile[0]), y = std::uint8_t(tile[1]);
+            draw_wireframe_quad({x, y});
+        }
+    }
+}
+
 } // namespace floormat