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Simplified SDL random function names and added thread-safe versions

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This commit is contained in:
Sam Lantinga
2024-06-23 12:11:33 -07:00
parent d013ac80ef
commit 96f2f23240
12 changed files with 167 additions and 90 deletions
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20
test/testdraw.c
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@@ -72,8 +72,8 @@ static void DrawPoints(SDL_Renderer *renderer)
SDL_SetRenderDrawColor(renderer, 255, (Uint8)current_color,
(Uint8)current_color, (Uint8)current_alpha);
x = (float)SDL_rand_n(viewport.w);
y = (float)SDL_rand_n(viewport.h);
x = (float)SDL_rand(viewport.w);
y = (float)SDL_rand(viewport.h);
SDL_RenderPoint(renderer, x, y);
}
}
@@ -120,10 +120,10 @@ static void DrawLines(SDL_Renderer *renderer)
SDL_RenderLine(renderer, 0.0f, (float)(viewport.h / 2), (float)(viewport.w - 1), (float)(viewport.h / 2));
SDL_RenderLine(renderer, (float)(viewport.w / 2), 0.0f, (float)(viewport.w / 2), (float)(viewport.h - 1));
} else {
x1 = (float)(SDL_rand_n(viewport.w * 2) - viewport.w);
x2 = (float)(SDL_rand_n(viewport.w * 2) - viewport.w);
y1 = (float)(SDL_rand_n(viewport.h * 2) - viewport.h);
y2 = (float)(SDL_rand_n(viewport.h * 2) - viewport.h);
x1 = (float)(SDL_rand(viewport.w * 2) - viewport.w);
x2 = (float)(SDL_rand(viewport.w * 2) - viewport.w);
y1 = (float)(SDL_rand(viewport.h * 2) - viewport.h);
y2 = (float)(SDL_rand(viewport.h * 2) - viewport.h);
SDL_RenderLine(renderer, x1, y1, x2, y2);
}
}
@@ -165,10 +165,10 @@ static void DrawRects(SDL_Renderer *renderer)
SDL_SetRenderDrawColor(renderer, 255, (Uint8)current_color,
(Uint8)current_color, (Uint8)current_alpha);
rect.w = (float)SDL_rand_n(viewport.h / 2);
rect.h = (float)SDL_rand_n(viewport.h / 2);
rect.x = (float)((SDL_rand_n(viewport.w * 2) - viewport.w) - (rect.w / 2));
rect.y = (float)((SDL_rand_n(viewport.h * 2) - viewport.h) - (rect.h / 2));
rect.w = (float)SDL_rand(viewport.h / 2);
rect.h = (float)SDL_rand(viewport.h / 2);
rect.x = (float)((SDL_rand(viewport.w * 2) - viewport.w) - (rect.w / 2));
rect.y = (float)((SDL_rand(viewport.h * 2) - viewport.h) - (rect.h / 2));
SDL_RenderFillRect(renderer, &rect);
}
}