Parameterize PainMask on mask dimensions

1 files changed, 5 insertions, 5 deletions

diff --git a/main.c b/main.c
index 464bcf4..ebae9da 100644
--- a/main.c
+++ b/main.c
@@ -33,14 +33,14 @@ SDL_Texture *CreateTiledTexture(SDL_Renderer *context, const char *filename, int
 	return texture;
 }
 
-void PaintMask(float *mask, float x, float y, float color, float size) {
+void PaintMask(float *mask, int width, int height, float x, float y, float color, float size) {
 	for (int j = y - size; j < y + size; j++) {
 		for (int i = x - size; i < x + size; i++) {
 			float dj = y - j;
 			float di = x - i;
-			if (i > 0 && i < WINDOW_W && j > 0 && j < WINDOW_H
+			if (i > 0 && i < width && j > 0 && j < height
 					&& dj * dj + di * di <= size * size / 2) {
-				size_t index = i + j * WINDOW_W;
+				size_t index = i + j * width;
 				mask[index] = color;
 			}
 		}
@@ -92,9 +92,9 @@ void GameMain(SDL_Renderer *context) {
 		Uint32 mouse_state = SDL_GetMouseState(&mouse_x, &mouse_y);
 		float size = 20;
 		if (mouse_state & SDL_BUTTON_LMASK) {
-			PaintMask(mask, mouse_x, WINDOW_H - mouse_y, 1.0, size);
+			PaintMask(mask, WINDOW_W, WINDOW_H, mouse_x, WINDOW_H - mouse_y, 1.0, size);
 		} else if (mouse_state & SDL_BUTTON_RMASK) {
-			PaintMask(mask, mouse_x, WINDOW_H - mouse_y, 0.0, size);
+			PaintMask(mask, WINDOW_W, WINDOW_H, mouse_x, WINDOW_H - mouse_y, 0.0, size);
 		}
 
 		const Uint8 *keys = SDL_GetKeyboardState(0);