(Fix) Terrian fix

.gitattributes

@@ -0,0 +1,31 @@
+# Normalize text by default, but never let Git rewrite line endings inside
+# binary-serialized Unity files. The Raygeas demo terrain assets below were
+# committed corrupt at the Init commit because EOL normalization mangled their
+# binary payload (variable-length truncation -> "Unknown error occurred while
+# loading"). Marking them binary makes Git store/checkout the exact bytes.
+* text=auto
+
+# Binary-serialized Unity terrain assets (Force Binary). No EOL conversion, no diff.
+Assets/External/Raygeas/**/Terrain.asset      binary
+Assets/External/Raygeas/**/TerrainData_*.asset binary
+Assets/External/Raygeas/**/OcclusionCullingData.asset binary
+Assets/External/Raygeas/**/LightingData.asset binary
+
+# Always-binary Unity / media file types (never normalize or text-diff).
+*.cubemap   binary
+*.unity3d   binary
+*.bundle    binary
+*.exr       binary
+*.png       binary
+*.jpg       binary
+*.jpeg      binary
+*.tga       binary
+*.psd       binary
+*.fbx       binary
+*.blend     binary
+*.wav       binary
+*.mp3       binary
+*.ogg       binary
+*.dll       binary
+*.so        binary
+*.dylib     binary