Add right click to remove

1 files changed, 11 insertions, 1 deletions

diff --git a/src/all.c b/src/all.c
index b00f45f..4fb902b 100644
--- a/src/all.c
+++ b/src/all.c
@@ -61,6 +61,7 @@ typedef struct {
 enum {
 	INPUT_NONE,
 	INPUT_CLICK,
+	INPUT_RCLICK,
 	INPUT_PAUSE_PLAY,
 };
 
@@ -178,6 +179,11 @@ static void update(Game *game, uint64_t now, Arena a) {
 			y = game->mousey * GRIDHEIGHT / game->ui.height;
 			game->state.grid[x + y * GRIDWIDTH] = (game->state.grid[x + y * GRIDWIDTH] + 1) % (sizeof(colors) / sizeof(colors[0]));
 			break;
+		case INPUT_RCLICK:
+			x = game->mousex * GRIDWIDTH / game->ui.width;
+			y = game->mousey * GRIDHEIGHT / game->ui.height;
+			game->state.grid[x + y * GRIDWIDTH] = EMPTY;
+			break;
 		case INPUT_PAUSE_PLAY:
 			game->state.playing = !game->state.playing;
 			break;
@@ -336,9 +342,13 @@ int main(int argc, char **argv) {
 				case SDL_EVENT_QUIT:
 					return 0;
 				case SDL_EVENT_MOUSE_BUTTON_DOWN:
-					game->input = INPUT_CLICK;
 					game->mousex = (int) e.button.x;
 					game->mousey = (int) e.button.y;
+					if (e.button.button == 1) {
+						game->input = INPUT_CLICK;
+					} else if (e.button.button == 3) {
+						game->input = INPUT_RCLICK;
+					}
 					break;
 				case SDL_EVENT_KEY_DOWN:
 					switch (e.key.key) {