diff --git a/semestralka1/src/assets/character_crawl_frames.h b/semestralka1/src/assets/character_crawl_frames.h
index 5176c28..c2c71a6 100644
--- a/semestralka1/src/assets/character_crawl_frames.h
+++ b/semestralka1/src/assets/character_crawl_frames.h
@@ -40,3 +40,18 @@ static const int CHARACTER_CRAWL2_FRAME_COUNT = sizeof(CHARACTER_CRAWL2_FRAMES)
 // Height (rows per crawl frame)
 static const int CHARACTER_CRAWL1_FRAME_HEIGHT = sizeof(CRAWL1_FRAME_1) / sizeof(CRAWL1_FRAME_1[0]);
 static const int CHARACTER_CRAWL2_FRAME_HEIGHT = sizeof(CRAWL2_FRAME_1) / sizeof(CRAWL2_FRAME_1[0]);
+
+
+// Crawl1 collision box
+static const int CHARACTER_CRAWL1_FRAME_WIDTH = 8;
+static const int CHARACTER_CRAWL1_COLLISION_LEFT_OFFSET  = 1;
+static const int CHARACTER_CRAWL1_COLLISION_RIGHT_OFFSET = 1;
+static const int CHARACTER_CRAWL1_COLLISION_WIDTH = CHARACTER_CRAWL1_FRAME_WIDTH - (CHARACTER_CRAWL1_COLLISION_LEFT_OFFSET + CHARACTER_CRAWL1_COLLISION_RIGHT_OFFSET);
+static const int CHARACTER_CRAWL1_COLLISION_HEIGHT = CHARACTER_CRAWL1_FRAME_HEIGHT - 2;
+
+// Crawl2 collision box (lower posture → smaller collision height)
+static const int CHARACTER_CRAWL2_FRAME_WIDTH = 8;
+static const int CHARACTER_CRAWL2_COLLISION_LEFT_OFFSET  = 1;
+static const int CHARACTER_CRAWL2_COLLISION_RIGHT_OFFSET = 0;
+static const int CHARACTER_CRAWL2_COLLISION_WIDTH = CHARACTER_CRAWL2_FRAME_WIDTH - (CHARACTER_CRAWL2_COLLISION_LEFT_OFFSET + CHARACTER_CRAWL2_COLLISION_RIGHT_OFFSET);
+static const int CHARACTER_CRAWL2_COLLISION_HEIGHT = CHARACTER_CRAWL2_FRAME_HEIGHT - 4;
diff --git a/semestralka1/src/assets/character_run_frames.h b/semestralka1/src/assets/character_run_frames.h
index 0d07e23..108ba06 100644
--- a/semestralka1/src/assets/character_run_frames.h
+++ b/semestralka1/src/assets/character_run_frames.h
@@ -96,3 +96,11 @@ static const int CHARACTER_RUN_FRAME_COUNT = sizeof(CHARACTER_RUN_FRAMES) / size
 
 // Height (rows per run frame)
 static const int CHARACTER_RUN_FRAME_HEIGHT = sizeof(RUN_FRAME_1) / sizeof(RUN_FRAME_1[0]);
+
+static const int CHARACTER_RUN_COLLISION_HEIGHT = CHARACTER_RUN_FRAME_HEIGHT;
+
+static const int CHARACTER_RUN_FRAME_WIDTH = 8;
+static const int CHARACTER_RUN_COLLISION_LEFT_OFFSET  = 2;
+static const int CHARACTER_RUN_COLLISION_RIGHT_OFFSET = 2;
+// 8 je width a 2 zlava a 2 zprava
+static const int CHARACTER_RUN_COLLISION_WIDTH = CHARACTER_RUN_FRAME_WIDTH - (CHARACTER_RUN_COLLISION_LEFT_OFFSET + CHARACTER_RUN_COLLISION_RIGHT_OFFSET);
diff --git a/semestralka1/src/assets/character_walk_frames.h b/semestralka1/src/assets/character_walk_frames.h
index 3f7f4df..6d819b4 100644
--- a/semestralka1/src/assets/character_walk_frames.h
+++ b/semestralka1/src/assets/character_walk_frames.h
@@ -96,3 +96,9 @@ static const int CHARACTER_WALK_FRAME_COUNT = sizeof(CHARACTER_WALK_FRAMES) / si
 
 // Height (rows per walk frame)
 static const int CHARACTER_WALK_FRAME_HEIGHT = sizeof(WALK_FRAME_1) / sizeof(WALK_FRAME_1[0]);
+
+static const int CHARACTER_WALK_FRAME_WIDTH = 6;
+static const int CHARACTER_WALK_COLLISION_LEFT_OFFSET  = 1;
+static const int CHARACTER_WALK_COLLISION_RIGHT_OFFSET = 1;
+// 8 je width a 2 zlava a 2 zprava
+static const int CHARACTER_WALK_COLLISION_WIDTH = CHARACTER_WALK_FRAME_WIDTH - (CHARACTER_WALK_COLLISION_LEFT_OFFSET + CHARACTER_WALK_COLLISION_RIGHT_OFFSET);