diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ae6f909
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+VulkanTest
diff --git a/VulkanTest b/VulkanTest
deleted file mode 100755
index 6bc2357..0000000
Binary files a/VulkanTest and /dev/null differ
diff --git a/main.cpp b/main.cpp
index d9e8450..7b7b0c5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -246,10 +246,10 @@ class HelloTriangleApplication {
         std::random_device rd;
         std::mt19937 gen(rd());
         std::uniform_real_distribution<float> pos_dist(-0.5, 0.5);
-        std::uniform_real_distribution<float> speed_dist(0.0f, 0.0001f);
+        std::uniform_real_distribution<float> speed_dist(0.0f, 0.00001f);
         std::uniform_real_distribution<float> size_dist;
         if (scenario == 0) {
-            size_dist = std::uniform_real_distribution(4.0f, 12.0f);
+            size_dist = std::uniform_real_distribution(4.0f, 40.0f);
         } else if (scenario == 1) {
             size_dist = std::uniform_real_distribution(-10.0f, 10.0f);
         }
@@ -265,8 +265,9 @@ class HelloTriangleApplication {
 
     void mainLoop() {
         while (!glfwWindowShouldClose(window)) {
+	    int64_t startTime = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
             glfwPollEvents();
-            drawFrame();
+            drawFrame(startTime);
         }
 
         vkDeviceWaitIdle(device);
@@ -1034,12 +1035,9 @@ class HelloTriangleApplication {
         }
     }
 
-    void updateUniformBuffer(uint32_t currentImage) {
-        static auto startTime = std::chrono::high_resolution_clock::now();
-
-        auto currentTime = std::chrono::high_resolution_clock::now();
-        float time = std::chrono::duration<float, std::chrono::seconds::period>(currentTime - startTime).count();
-
+    void updateUniformBuffer(uint32_t currentImage, uint64_t startTime) {
+	uint64_t timeNow = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+	float dTime = static_cast<float>(startTime - timeNow);
         UniformBufferObject ubo{};
 
         int arrayLen = sizeof(ballsArr) / sizeof(ballsArr[0]);
@@ -1050,7 +1048,7 @@ class HelloTriangleApplication {
         //ballsArr[3] = ballsArr[3] + glm::vec4(0.003f, -0.003f, 0.0f, 0.0f);
 
         for (int i = 0; i < arrayLen; i++) {
-            ballsArr[i] = ballsArr[i] + glm::vec4(speedArr[i].first, speedArr[i].second, 0.0f, 0.0f) * time;
+            ballsArr[i] = ballsArr[i] + glm::vec4(speedArr[i].first, speedArr[i].second, 0.0f, 0.0f) * (dTime/1000000000000000000);
         }
 
         //ubo.balls = ballsVec;
@@ -1069,7 +1067,7 @@ class HelloTriangleApplication {
         vkUnmapMemory(device, uniformBuffersMemory[currentImage]);
     }
 
-    void drawFrame() {
+    void drawFrame(int64_t startTime) {
         vkWaitForFences(device, 1, &inFlightFences[currentFrame], VK_TRUE, UINT64_MAX);
 
         uint32_t imageIndex;
@@ -1082,8 +1080,6 @@ class HelloTriangleApplication {
             throw std::runtime_error("failed to acquire swap chain image!");
         }
 
-        updateUniformBuffer(currentFrame);
-
         vkResetFences(device, 1, &inFlightFences[currentFrame]);
 
         vkResetCommandBuffer(commandBuffers[currentFrame], 0);
@@ -1128,6 +1124,8 @@ class HelloTriangleApplication {
             throw std::runtime_error("failed to present swap chain image!");
         }
 
+        updateUniformBuffer(currentFrame, startTime);
+
         currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
     }