163 lines
2.8 KiB
C++
163 lines
2.8 KiB
C++
#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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#include <SDL3/SDL.h>
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SDL_Window *window = nullptr;
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SDL_Renderer *renderer = nullptr;
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Texture *texture = nullptr;
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Ball *ball[NUM_BALLS];
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bool should_exit = false;
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Uint64 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))
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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("demo_pelotas1", DEMO_WIDTH * WINDOW_ZOOM, DEMO_HEIGHT * WINDOW_ZOOM, SDL_WINDOW_OPENGL);
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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, nullptr);
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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_SetRenderLogicalPresentation(renderer, DEMO_WIDTH, DEMO_HEIGHT, SDL_LOGICAL_PRESENTATION_INTEGER_SCALE);
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}
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}
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}
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texture = new Texture(renderer, TEXTURE_FILE);
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for (int i = 0; i < NUM_BALLS; ++i)
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{
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const int VX = rand() % 2 == 0 ? 1 : -1;
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const int VY = rand() % 2 == 0 ? 1 : -1;
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const int X = rand() % DEMO_WIDTH;
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const int Y = rand() % DEMO_HEIGHT;
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constexpr int SIZE = BALL_SIZE;
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ball[i] = new Ball(X, Y, SIZE, SIZE, VX, VY, texture);
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}
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ticks = SDL_GetTicks();
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srand(time(nullptr));
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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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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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SDL_Quit();
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}
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void checkEvents()
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{
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SDL_Event event;
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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_EVENT_QUIT)
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{
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should_exit = true;
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break;
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}
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if (event.type == SDL_EVENT_KEY_DOWN && event.key.repeat == 0)
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{
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switch (event.key.key)
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{
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case SDLK_ESCAPE:
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should_exit = true;
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break;
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default:
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break;
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}
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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 > DEMO_SPEED)
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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, BG_R, BG_G, BG_B, 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 (!should_exit)
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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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} |