move gameloop poc to mwe

1 files changed, 72 insertions, 0 deletions

diff --git a/mwe/gameloop/src/loopManager.cpp b/mwe/gameloop/src/loopManager.cpp
new file mode 100644
index 0000000..f7ce886
--- /dev/null
+++ b/mwe/gameloop/src/loopManager.cpp
@@ -0,0 +1,72 @@
+#include "loopManager.h"
+#include "timer.h"
+LoopManager::LoopManager(){
+}
+void LoopManager::processInput(){
+	SDL_Event event;
+	SDL_PollEvent(&event);
+	switch(event.type){
+		case SDL_QUIT:
+			gameRunning = false;
+			break;
+		case SDL_KEYDOWN:
+			if(event.key.keysym.sym == SDLK_ESCAPE){
+				gameRunning = false;
+			}
+		break;
+	}
+}
+void LoopManager::fixedUpdate(){
+	fprintf(stderr,"fixed update\n");
+}
+void LoopManager::loop() {
+    LoopTimer& timer = LoopTimer::getInstance();
+    timer.start();
+
+    while (gameRunning) {
+        timer.update();
+
+        while (timer.getLag() >= timer.getFixedDeltaTime()) {
+            processInput();
+            fixedUpdate();
+            timer.advanceFixedUpdate();
+        }
+
+        update();
+        render();
+
+        timer.enforceFrameRate();
+    }
+
+    window.destroyWindow();
+}
+
+void LoopManager::setup(){
+	gameRunning = window.initWindow();
+	LoopTimer::getInstance().start();
+	LoopTimer::getInstance().setFPS(50);
+	
+	for(int i = 0; i < 2;i++){
+		GameObject* square = new GameObject("square2",i*40,i*40,20,20,0,0);
+		objectList.push_back(square);
+	}
+}
+void LoopManager::render(){
+	fprintf(stderr,"**********render********** \n");
+	if(gameRunning){
+		window.render(objectList);
+	}
+}
+
+void LoopManager::update() {
+	fprintf(stderr,"**********normal update********** \n");
+    LoopTimer& timer = LoopTimer::getInstance();
+	
+    float delta= timer.getDeltaTime();
+
+    for (int i = 0; i < objectList.size(); i++) {
+        objectList[i]->setX(objectList[i]->getX() + 50 * delta); 
+        objectList[i]->setY(objectList[i]->getY() + 50 * delta);
+    }
+}
+