Mathias/ObstacleGame
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Implement DeltaTime

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This commit is contained in:
Mathias Wagner 2024-12-02 09:37:57 +01:00
parent 69a957c6f6
commit ef72acbf0b
1 changed files with 14 additions and 4 deletions
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18
src/main.cpp
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@ -1,10 +1,12 @@
#include "states/GameState.h" #include "states/GameState.h"
#include "states/MainMenuState.h" #include "states/MainMenuState.h"
#include "states/InGameState.h" #include "states/InGameState.h"
#include "states/EndingState.h"
#include "Renderer.h" #include "Renderer.h"
#include <SDL2/SDL.h> #include <SDL2/SDL.h>
#include <memory> #include <memory>
#include <unordered_map> #include <unordered_map>
#include <iostream>
int main() { int main() {
TTF_Init(); TTF_Init();
@ -12,18 +14,28 @@ int main() {
SDL_Window* window = SDL_CreateWindow("Obstacle Game", SDL_Window* window = SDL_CreateWindow("Obstacle Game",
SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN); WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN);
SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED); SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
std::unordered_map<std::string, std::shared_ptr<GameState>> states; std::unordered_map<std::string, std::shared_ptr<GameState>> states;
states["main_menu"] = std::make_shared<MainMenuState>(); states["main_menu"] = std::make_shared<MainMenuState>();
states["game"] = std::make_shared<InGameState>(); states["game"] = std::make_shared<InGameState>();
states["ending"] = std::make_shared<EndingState>();
std::shared_ptr<GameState> currentState = states["main_menu"]; std::shared_ptr<GameState> currentState = states["main_menu"];
Uint64 NOW = SDL_GetPerformanceCounter();
Uint64 LAST = 0;
double deltaTime = 0;
currentState->init(); currentState->init();
bool running = true; bool running = true;
while (running) { while (running) {
LAST = NOW;
NOW = SDL_GetPerformanceCounter();
deltaTime = (double)((NOW - LAST)*1000 / (double)SDL_GetPerformanceFrequency() );
SDL_Event event; SDL_Event event;
while (SDL_PollEvent(&event)) { while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT) { if (event.type == SDL_QUIT) {
@ -33,7 +45,7 @@ int main() {
} }
currentState->update(); currentState->update();
currentState->render(renderer); currentState->render(renderer, deltaTime);
if (!currentState->getNextState().empty()) { if (!currentState->getNextState().empty()) {
std::string nextStateName = currentState->getNextState(); std::string nextStateName = currentState->getNextState();
@ -45,8 +57,6 @@ int main() {
} }
currentState->clearNextState(); currentState->clearNextState();
} }
SDL_Delay(16);
} }
SDL_DestroyRenderer(renderer); SDL_DestroyRenderer(renderer);