154 lines
2.5 KiB
C++
154 lines
2.5 KiB
C++
#include <SDL2/SDL.h>
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#include <SDL2/SDL_image.h>
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#include "texture.h"
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#include "ball.h"
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#include "defines.h"
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#include <iostream>
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SDL_Window *window = NULL;
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SDL_Renderer *renderer = NULL;
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SDL_Event *event;
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Texture *texture = nullptr;
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Ball *ball[NUM_BALLS];
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bool shouldExit = false;
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Uint32 ticks = 0;
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bool init()
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{
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// Initialization flag
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bool success = true;
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// Initialize SDL
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if (SDL_Init(SDL_INIT_VIDEO) < 0)
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{
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printf("SDL could not initialize! SDL Error: %s\n", SDL_GetError());
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success = false;
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}
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else
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{
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// Create window
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window = SDL_CreateWindow("SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH * 2, SCREEN_HEIGHT * 2, SDL_WINDOW_SHOWN);
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if (window == NULL)
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{
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printf("Window could not be created! SDL Error: %s\n", SDL_GetError());
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success = false;
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}
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else
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{
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// Create renderer for window
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renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
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if (renderer == NULL)
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{
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printf("Renderer could not be created! SDL Error: %s\n", SDL_GetError());
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success = false;
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}
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else
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{
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// Initialize renderer color
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SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
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SDL_RenderSetLogicalSize(renderer, SCREEN_WIDTH, SCREEN_HEIGHT);
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}
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}
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}
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event = new SDL_Event();
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texture = new Texture(renderer, "resources/pelota.png");
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for (int i = 0; i < NUM_BALLS; ++i)
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{
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ball[i] = new Ball(rand() % SCREEN_WIDTH, rand() % SCREEN_HEIGHT, 24, 24, 1, 1, texture);
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}
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ticks = SDL_GetTicks();
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return success;
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}
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void close()
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{
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// Destroy window
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SDL_DestroyRenderer(renderer);
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SDL_DestroyWindow(window);
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window = NULL;
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renderer = NULL;
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if (event)
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{
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delete event;
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}
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if (texture)
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{
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delete texture;
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}
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for (int i = 0; i < NUM_BALLS; ++i)
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{
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if (ball[i])
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{
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delete ball[i];
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}
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}
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// Quit SDL subsystems
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IMG_Quit();
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SDL_Quit();
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}
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void checkEvents()
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{
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// Comprueba los eventos que hay en la cola
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while (SDL_PollEvent(event) != 0)
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{
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// Evento de salida de la aplicación
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if (event->type == SDL_QUIT)
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{
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shouldExit = true;
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break;
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}
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}
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}
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void update()
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{
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if (SDL_GetTicks() - ticks > 15)
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{
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ticks = SDL_GetTicks();
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for (int i = 0; i < NUM_BALLS; ++i)
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{
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ball[i]->update();
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}
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}
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}
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void render()
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{
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
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SDL_RenderClear(renderer);
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for (int i = 0; i < NUM_BALLS; ++i)
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{
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ball[i]->render();
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}
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SDL_RenderPresent(renderer);
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}
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int main(int argc, char *args[])
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{
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init();
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while (!shouldExit)
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{
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update();
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checkEvents();
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render();
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}
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close();
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return 0;
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} |