1 files changed, 14 insertions, 5 deletions

diff --git a/src/tick.c b/src/tick.c
index 4b255df..598087a 100644
--- a/src/tick.c
+++ b/src/tick.c
@@ -302,30 +302,39 @@ static void tick(Game *game, Arena a) {
 					}
 					break;
 				case EMPTY:
-					// TODO: same as multiple reds
+					blues = 0;
 					if (
 						x > 0 &&
 						lastState->grid[x - 1 + y * GRIDWIDTH] == BLUE_RIGHT
 					) {
-						game->state.grid[x + y * GRIDWIDTH] = BLUE_RIGHT;
+						blues++;
+						blue = BLUE_RIGHT;
 					}
 					if (
 						x < GRIDWIDTH - 1 &&
 						lastState->grid[x + 1 + y * GRIDWIDTH] == BLUE_LEFT
 					) {
-						game->state.grid[x + y * GRIDWIDTH] = BLUE_LEFT;
+						blues++;
+						blue = BLUE_LEFT;
 					}
 					if (
 						y > 0 &&
 						lastState->grid[x + (y - 1) * GRIDWIDTH] == BLUE_DOWN
 					) {
-						game->state.grid[x + y * GRIDWIDTH] = BLUE_DOWN;
+						blues++;
+						blue = BLUE_DOWN;
 					}
 					if (
 						y < GRIDHEIGHT - 1 &&
 						lastState->grid[x + (y + 1) * GRIDWIDTH] == BLUE_UP
 					) {
-						game->state.grid[x + y * GRIDWIDTH] = BLUE_UP;
+						blues++;
+						blue = BLUE_UP;
+					}
+					if (blues == 1) {
+						game->state.grid[x + y * GRIDWIDTH] = blue;
+					} else if (blues >= 2) {
+						game->state.grid[x + y * GRIDWIDTH] = BLUE;
 					}
 					break;
 			}