Created
May 4, 2023 05:31
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Chat GPT4 writing C++ SDL2 code to fill a screen, giving each pixel a random color, regenerating every 1/24th of a second
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#include <SDL2/SDL.h> | |
#include <stdio.h> | |
#include <cstdlib> | |
#include <ctime> | |
const int WINDOW_WIDTH = 640; | |
const int WINDOW_HEIGHT = 480; | |
int main(int argc, char *argv[]) { | |
srand(static_cast<unsigned>(time(0))); | |
if (SDL_Init(SDL_INIT_VIDEO) != 0) { | |
printf("Error initializing SDL: %s\n", SDL_GetError()); | |
return 1; | |
} | |
SDL_Window *window = SDL_CreateWindow("Random Pixels", | |
SDL_WINDOWPOS_CENTERED, | |
SDL_WINDOWPOS_CENTERED, | |
WINDOW_WIDTH, WINDOW_HEIGHT, 0); | |
if (!window) { | |
printf("Error creating window: %s\n", SDL_GetError()); | |
SDL_Quit(); | |
return 1; | |
} | |
SDL_Renderer *renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC); | |
if (!renderer) { | |
printf("Error creating renderer: %s\n", SDL_GetError()); | |
SDL_DestroyWindow(window); | |
SDL_Quit(); | |
return 1; | |
} | |
SDL_Event event; | |
bool running = true; | |
while (running) { | |
while (SDL_PollEvent(&event)) { | |
if (event.type == SDL_QUIT) { | |
running = false; | |
} | |
} | |
// Clear the screen | |
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); | |
SDL_RenderClear(renderer); | |
// Draw random-colored pixels | |
for (int x = 0; x < WINDOW_WIDTH; ++x) { | |
for (int y = 0; y < WINDOW_HEIGHT; ++y) { | |
Uint8 r = rand() % 256; | |
Uint8 g = rand() % 256; | |
Uint8 b = rand() % 256; | |
SDL_SetRenderDrawColor(renderer, r, g, b, 255); | |
SDL_RenderDrawPoint(renderer, x, y); | |
} | |
} | |
// Update the screen | |
SDL_RenderPresent(renderer); | |
SDL_Delay(1000 / 24); // Delay for 1/24th of a second | |
} | |
// Clean up | |
SDL_DestroyRenderer(renderer); | |
SDL_DestroyWindow(window); | |
SDL_Quit(); | |
return 0; | |
} |
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