From f16e4e0c6fc649624d91ad0b54346b5bf07ac507 Mon Sep 17 00:00:00 2001
From: Gordon Weeks <627684+gcweeks@users.noreply.github.com>
Date: Sat, 31 Jan 2026 03:47:24 -0800
Subject: [PATCH] Full screen skelly. Increase hit zone.

---
 src/samples/background.h | 29 +++++++++++++++++++++++++----
 src/samples/ghhb_game.h  | 21 ++++++++++++---------
 2 files changed, 37 insertions(+), 13 deletions(-)

diff --git a/src/samples/background.h b/src/samples/background.h
index 9cedd97..60c54f9 100644
--- a/src/samples/background.h
+++ b/src/samples/background.h
@@ -1,12 +1,15 @@
 #pragma once
 
 #include "engine/prefabs/includes.h"
+#include <algorithm>
 
-class Background : public GameObject {
-    public:
-    AnimationController *animation;
+class Background : public GameObject
+{
+public:
+    AnimationController* animation = nullptr;
 
-    void init() override {
+    void init() override
+    {
         animation = add_component<AnimationController>();
         animation->add_animation("skelly", std::vector<std::string>{
             "assets/skelly/skel_1.png",
@@ -33,5 +36,23 @@ class Background : public GameObject {
             "assets/skelly/skel_22.png"
         }, 10.0f);
     }
+
+    void draw() override
+    {
+        if (!animation || !animation->current_animation || animation->current_animation->frames.empty())
+        {
+            return;
+        }
+        const Texture2D& tex =
+            animation->current_animation->frames[animation->current_animation->current_frame];
+        float tw = static_cast<float>(tex.width);
+        float th = static_cast<float>(tex.height);
+        float sw = static_cast<float>(GetScreenWidth());
+        float sh = static_cast<float>(GetScreenHeight());
+        float scale = std::max(sw / tw, sh / th);
+        animation->position = {sw / 2.0f, sh / 2.0f};
+        animation->origin = {tw / 2.0f, th / 2.0f};
+        animation->scale = scale;
+    }
 };
 
diff --git a/src/samples/ghhb_game.h b/src/samples/ghhb_game.h
index 4f127aa..d09e640 100644
--- a/src/samples/ghhb_game.h
+++ b/src/samples/ghhb_game.h
@@ -15,6 +15,7 @@ constexpr int LANE_COUNT = 12;
 constexpr int MAX_INSTRUMENT_TYPES = 8;
 constexpr int MAX_GAMEPADS = 4;
 constexpr float RECEPTOR_HEIGHT = 150.0f;
+constexpr float HIT_ZONE_MARGIN = 20.0f;
 constexpr float SCROLL_PX_PER_SEC = 350.0f;
 constexpr float LEAD_OFFSET_SECONDS = 3.0f;
 
@@ -344,7 +345,7 @@ public:
     bool is_note_hittable(const Glyph& n) const
     {
         float y = glyph_y(n);
-        return y >= upper_bar_y && y <= hit_line_y;
+        return y >= upper_bar_y - HIT_ZONE_MARGIN && y <= hit_line_y + HIT_ZONE_MARGIN;
     }
 
     void consume_note(Glyph* n)
@@ -418,7 +419,7 @@ public:
         {
             Glyph* n = *it;
             float y = glyph_y(*n);
-            if (y > hit_line_y)
+            if (y > hit_line_y + HIT_ZONE_MARGIN)
             {
                 miss_flash_timer[n->lane] = MISS_FLASH_DURATION;
                 completed_notes.insert(n);
@@ -492,18 +493,20 @@ public:
         }
     }
 
+    void draw_scene() override
+    {
+        if (background)
+        {
+            background->draw_object();
+        }
+        draw();
+    }
+
     void draw() override
     {
-        ClearBackground(Color{30, 30, 46, 255});
-
         for (int lane = 0; lane < LANE_COUNT; lane++)
         {
             float cx = lane_center_x(lane);
-            DrawRectangle(static_cast<int>(lane * lane_width),
-                          0,
-                          static_cast<int>(lane_width),
-                          static_cast<int>(screen_height),
-                          lane % 2 == 0 ? Color{50, 50, 70, 255} : Color{45, 45, 65, 255});
             DrawLineEx(Vector2{cx, 0}, Vector2{cx, screen_height}, 2.0f, Color{70, 70, 90, 255});
         }