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examples now using SDL_ALPHA_OPAQUE(_FLOAT) for opaque alpha value

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Michael Palomas authored and Sam Lantinga committed 2024-10-23 07:28:33 -07:00
1 parent 63ef5a2369
commit 21c91d5535
19 files changed
+38 -38
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examples/game/01-snake/snake.c
+4 -4
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@@ -257,7 +257,7 @@ SDL_AppResult SDL_AppIterate(void *appstate)
}
r.w = r.h = SNAKE_BLOCK_SIZE_IN_PIXELS;
SDL_SetRenderDrawColor(as->renderer, 0, 0, 0, 255);
SDL_SetRenderDrawColor(as->renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(as->renderer);
for (i = 0; i < SNAKE_GAME_WIDTH; i++) {
for (j = 0; j < SNAKE_GAME_HEIGHT; j++) {
@@ -266,13 +266,13 @@ SDL_AppResult SDL_AppIterate(void *appstate)
continue;
set_rect_xy_(&r, i, j);
if (ct == SNAKE_CELL_FOOD)
SDL_SetRenderDrawColor(as->renderer, 80, 80, 255, 255);
SDL_SetRenderDrawColor(as->renderer, 80, 80, 255, SDL_ALPHA_OPAQUE);
else /* body */
SDL_SetRenderDrawColor(as->renderer, 0, 128, 0, 255);
SDL_SetRenderDrawColor(as->renderer, 0, 128, 0, SDL_ALPHA_OPAQUE);
SDL_RenderFillRect(as->renderer, &r);
}
}
SDL_SetRenderDrawColor(as->renderer, 255, 255, 0, 255); /*head*/
SDL_SetRenderDrawColor(as->renderer, 255, 255, 0, SDL_ALPHA_OPAQUE); /*head*/
set_rect_xy_(&r, ctx->head_xpos, ctx->head_ypos);
SDL_RenderFillRect(as->renderer, &r);
SDL_RenderPresent(as->renderer);