1- // draws grid lines in the game view (useful for seeing the resolution of ui elements in the game view)
2- // usage: attach to a game object in the scene, set gameobject tag to "EditorOnly" to remove from builds
3- 41using UnityEngine ;
52
63namespace UnityLibrary . EditorTools
@@ -11,9 +8,15 @@ public class GameViewGridOverlay : MonoBehaviour
118#if UNITY_EDITOR
129 public bool drawGrid = true ;
1310
14- public int gridSpacingX = 64 ;
15- public int gridSpacingY = 64 ;
11+ [ Header ( "Grid Cell Size (visible area)" ) ]
12+ public int gridSizeX = 64 ;
13+ public int gridSizeY = 64 ;
14+ 15+ [ Header ( "Spacing Between Cells (invisible gap)" ) ]
16+ public int spacingX = 16 ;
17+ public int spacingY = 16 ;
1618
19+ [ Header ( "Start Offsets" ) ]
1720 public int startOffsetX = 0 ;
1821 public int startOffsetY = 0 ;
1922
@@ -26,16 +29,22 @@ private void OnGUI()
2629 Color oldColor = GUI . color ;
2730 GUI . color = gridColor ;
2831
29- // vertical lines
30- for ( int y = startOffsetY ; y < Screen . height ; y += gridSpacingY )
31- {
32- GUI . DrawTexture ( new Rect ( 0 , y , Screen . width , 1 ) , Texture2D . whiteTexture ) ;
33- }
32+ int cellStrideX = gridSizeX + spacingX ;
33+ int cellStrideY = gridSizeY + spacingY ;
3434
35- // horizontal lines
36- for ( int x = startOffsetX ; x < Screen . width ; x += gridSpacingX )
35+ for ( int y = startOffsetY ; y + gridSizeY <= Screen . height ; y += cellStrideY )
3736 {
38- GUI . DrawTexture ( new Rect ( x , 0 , 1 , Screen . height ) , Texture2D . whiteTexture ) ;
37+ for ( int x = startOffsetX ; x + gridSizeX <= Screen . width ; x += cellStrideX )
38+ {
39+ // Left line
40+ GUI . DrawTexture ( new Rect ( x , y , 1 , gridSizeY ) , Texture2D . whiteTexture ) ;
41+ // Right line
42+ GUI . DrawTexture ( new Rect ( x + gridSizeX - 1 , y , 1 , gridSizeY ) , Texture2D . whiteTexture ) ;
43+ // Top line
44+ GUI . DrawTexture ( new Rect ( x , y , gridSizeX , 1 ) , Texture2D . whiteTexture ) ;
45+ // Bottom line
46+ GUI . DrawTexture ( new Rect ( x , y + gridSizeY - 1 , gridSizeX , 1 ) , Texture2D . whiteTexture ) ;
47+ }
3948 }
4049
4150 GUI . color = oldColor ;
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