[ChatGPT][SDL2][커스텀 2D 게임 엔진 개발] SDL2 기반 커스텀 2D게임 엔진용 스프라이트 편집기 생성 예제 코드 샘플

 [ChatGPT][SDL2][커스텀 2D 게임 엔진 개발] SDL2 기반 커스텀 2D게임 엔진용 스프라이트 편집기 생성 예제 코드 샘플

// Here's an example of how you could move the sprite using keyboard input in SDL2

#include "SDL.h"

#include <iostream>

int main(int argc, char* argv[]) {

    SDL_Init(SDL_INIT_VIDEO);

    SDL_Window* window = SDL_CreateWindow("Sprite Editor",

                                          SDL_WINDOWPOS_UNDEFINED,

                                          SDL_WINDOWPOS_UNDEFINED,

                                          800, 600,

                                          SDL_WINDOW_SHOWN);

    SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, 0);

    // Load the sprite image

    SDL_Surface* sprite_surface = SDL_LoadBMP("sprite.bmp");

    SDL_Texture* sprite_texture = SDL_CreateTextureFromSurface(renderer, sprite_surface);

    SDL_FreeSurface(sprite_surface);

    // Set the initial position of the sprite

    SDL_Rect sprite_rect;

    sprite_rect.x = 400;

    sprite_rect.y = 300;

    SDL_QueryTexture(sprite_texture, NULL, NULL, &sprite_rect.w, &sprite_rect.h);

    float speed = 200.0f; // pixels per second

    Uint32 last_time = SDL_GetTicks();

    bool running = true;

    while (running) {

        Uint32 current_time = SDL_GetTicks();

        float elapsed = (current_time - last_time) / 1000.0f;

        last_time = current_time;

        // Handle events

        SDL_Event event;

        while (SDL_PollEvent(&event)) {

            if (event.type == SDL_QUIT) {

                running = false;

            }

            else if (event.type == SDL_KEYDOWN) {

                switch (event.key.keysym.sym) {

                case SDLK_LEFT:

                    sprite_rect.x -= speed * elapsed;

                    break;

                case SDLK_RIGHT:

                    sprite_rect.x += speed * elapsed;

                    break;

                case SDLK_UP:

                    sprite_rect.y -= speed * elapsed;

                    break;

                case SDLK_DOWN:

                    sprite_rect.y += speed * elapsed;

                    break;

                }

            }

        }

        SDL_RenderClear(renderer);

        SDL_RenderCopy(renderer, sprite_texture, NULL, &sprite_rect);

        SDL_RenderPresent(renderer);

    }

    SDL_DestroyTexture(sprite_texture);

    SDL_DestroyRenderer(renderer);

    SDL_DestroyWindow(window);

    SDL_Quit();

    return 0;

}