Separate grid border and cells border parameter

include/grid.h

@@ -59,20 +59,21 @@ struct Grid
     // x, y, width, height
     SDL_Rect rect;
 
+    // Grid background color
+    SDL_Color backgroundColor;
+
+    // Grid border thickness and color
+    int border;
+    SDL_Color borderColor;
+
     // Number of cells over the x axis
     int xCells;
     // Number of cells over the y axis
     int yCells;
 
-    // Interspace between cells over the x axis
-    int xInterspace;
-    // Interspace between cells over the y axis
-    int yInterspace;
-
-    // Grid background color
-    SDL_Color backgroundColor;
-    // Grid border color
-    SDL_Color borderColor;
+    // Cells boder thickness and color
+    int cellsBorder;
+    SDL_Color cellsBorderColor;
 
     // Matrix of Cells
     Cell cells[GRID_MAX_X_CELLS][GRID_MAX_Y_CELLS];

src/game.c

@@ -40,17 +40,20 @@ bool Game_start(SDL_Renderer *renderer, int w, int h)
     grid.rect.w = MIN(w - margin * 2, h - margin * 2);
     grid.rect.h = grid.rect.w;
 
+    // Set grid backgroud
+    grid.backgroundColor = COLOR_DARK_GRAY;
+
+    // Set grid border thickness and color
+    grid.border = 3;
+    grid.borderColor = COLOR_GRAY;
+
     // Set number of cells
     grid.xCells = 10;
     grid.yCells = 10;
 
-    // Set cells interspace
-    grid.xInterspace = 6;
-    grid.yInterspace = 6;
-
-    // Set backgroud and border color
-    grid.backgroundColor = COLOR_DARK_GRAY;
-    grid.borderColor = COLOR_GRAY;
+    // Set cells border thickness and color
+    grid.cellsBorder = grid.border;
+    grid.cellsBorderColor = grid.borderColor;
 
     // Ajust size and center
     Grid_ajustSize(&grid);

src/grid.c

@@ -40,11 +40,11 @@ int Grid_ajustSize(Grid *grid)
     }
 
     // Init rect
-    int interspaceWidth = (grid->xCells + 2) * grid->xInterspace;
-    grid->rect.w -= (grid->rect.w - interspaceWidth) % grid->xCells;
+    int interspaceWidth = grid->xCells * grid->cellsBorder * 2;
+    grid->rect.w -= (grid->rect.w - (grid->border * 2) - interspaceWidth) % grid->xCells;
 
-    int interspaceHeigth = (grid->yCells + 2) * grid->yInterspace;
-    grid->rect.h -= (grid->rect.h - interspaceHeigth) % grid->yCells;
+    int interspaceHeigth = grid->yCells * grid->cellsBorder * 2;
+    grid->rect.h -= (grid->rect.h - (grid->border * 2) - interspaceHeigth) % grid->yCells;
 
     return true;
 }
@@ -80,7 +80,7 @@ bool Grid_init(Grid *grid)
                           &(grid->cells[i][j]),
                           i, j,
                           grid->backgroundColor,
-                          grid->borderColor);
+                          grid->cellsBorderColor);
         }
     }
 
@@ -90,23 +90,23 @@ bool Grid_init(Grid *grid)
 void Grid_initCell(Grid *grid, Cell *cell, int i, int j, SDL_Color color, SDL_Color borderColor)
 {
     // Init rect
-    int interspaceWidth = (grid->xCells + 2) * grid->xInterspace;
-    cell->rect.w = (grid->rect.w - interspaceWidth) / grid->xCells;
+    int interspaceWidth = grid->xCells * grid->cellsBorder * 2;
+    cell->rect.w = (grid->rect.w - (grid->border * 2) - interspaceWidth) / grid->xCells;
 
-    int interspaceHeigth = (grid->yCells + 2) * grid->yInterspace;
-    cell->rect.h = (grid->rect.h - interspaceHeigth) / grid->yCells;
+    int interspaceHeigth = grid->yCells * grid->cellsBorder * 2;
+    cell->rect.h = (grid->rect.h - (grid->border * 2) - interspaceHeigth) / grid->yCells;
 
-    cell->rect.x = grid->rect.x + grid->xInterspace * (i+1.5) + cell->rect.w * i;
-    cell->rect.y = grid->rect.y + grid->yInterspace * (j+1.5) + cell->rect.h * j;
+    cell->rect.x = grid->rect.x + grid->border + grid->cellsBorder + (grid->cellsBorder * 2 + cell->rect.w) * i;
+    cell->rect.y = grid->rect.y + grid->border + grid->cellsBorder + (grid->cellsBorder * 2 + cell->rect.h) * j;
 
     // Init rectColor
     cell->rectColor = color;
 
     // Init border
-    cell->border.w = cell->rect.w + grid->xInterspace;
-    cell->border.h = cell->rect.h + grid->yInterspace;
-    cell->border.x = cell->rect.x - grid->xInterspace/2;
-    cell->border.y = cell->rect.y - grid->yInterspace/2;
+    cell->border.w = cell->rect.w + grid->cellsBorder * 2;
+    cell->border.h = cell->rect.h + grid->cellsBorder * 2;
+    cell->border.x = cell->rect.x - grid->cellsBorder;
+    cell->border.y = cell->rect.y - grid->cellsBorder;
 
     // Init borderColor
     cell->borderColor = borderColor;