Added camera

CMakeLists.txt

@@ -12,6 +12,10 @@ if(NOT GLSLC)
     message(FATAL_ERROR "glslc compiler not found. Please install the Vulkan SDK.")
 endif()
 
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/textures)
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/models)
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/shaders)
+
 # Copy textures into cmake output
 file(GLOB TEXTURE_FILES
         "${CMAKE_CURRENT_SOURCE_DIR}/textures/*"
@@ -53,6 +57,7 @@ add_custom_target(compile_shaders ALL DEPENDS ${SPIRV_SHADERS})
 add_executable(vulkan_test
         main.cpp
         vulkan/vulkan_app.cpp
+        vulkan/vulkan_glfw_events.cpp
         vulkan/vulkan_app.hpp
 )
 

camera/camera.cpp

@@ -0,0 +1,2 @@
+// Camera.cpp
+#include "camera.hpp"

camera/camera.hpp

@@ -0,0 +1,71 @@
+// Camera.hpp
+#pragma once
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+namespace vapp{
+    enum Camera_Movement{
+        FORWARD,
+        BACKWARD,
+        LEFT,
+        RIGHT,
+        UP,
+        DOWN,
+    };
+
+    class Camera{
+    public:
+        float Yaw = -90.0f, Pitch = 0.0f;
+        float MovementSpeed = 2.5f;
+        float MouseSensitivity = 0.1f;
+        float Zoom = 45.0f;
+
+        glm::vec3 Position, Front, Up, Right, WorldUp;
+
+        Camera(glm::vec3 pos = {0, 0, 3}, glm::vec3 up = {0, 1, 0})
+            : Position(pos), WorldUp(up), Front({0, 0, -1}){ updateCameraVectors(); }
+
+        glm::mat4 GetViewMatrix(){
+            return glm::lookAt(Position, Position + Front, Up);
+        }
+
+        void ProcessKeyboard(Camera_Movement dir, float dt){
+            float v = MovementSpeed * dt;
+            if(dir == FORWARD) Position += Front * v;
+            if(dir == BACKWARD) Position -= Front * v;
+            if(dir == LEFT) Position -= Right * v;
+            if(dir == RIGHT) Position += Right * v;
+            if(dir == UP) Position += Up * v;
+            if(dir == DOWN) Position -= Up * v;
+        }
+
+        void ProcessMouseMovement(float xoff, float yoff, bool constrainPitch = true){
+            xoff *= MouseSensitivity;
+            yoff *= MouseSensitivity;
+            Yaw += xoff;
+            Pitch += yoff;
+            if(constrainPitch){
+                if(Pitch > 89.0f) Pitch = 89.0f;
+                if(Pitch < -89.0f) Pitch = -89.0f;
+            }
+            updateCameraVectors();
+        }
+
+        void ProcessMouseScroll(float yoff){
+            Zoom -= yoff;
+            if(Zoom < 1.0f) Zoom = 1.0f;
+            if(Zoom > 45.0f) Zoom = 45.0f;
+        }
+
+    private:
+        void updateCameraVectors(){
+            glm::vec3 f;
+            f.x = cos(glm::radians(Yaw)) * cos(glm::radians(Pitch));
+            f.y = sin(glm::radians(Pitch));
+            f.z = sin(glm::radians(Yaw)) * cos(glm::radians(Pitch));
+            Front = glm::normalize(f);
+            Right = glm::normalize(glm::cross(Front, WorldUp));
+            Up = glm::normalize(glm::cross(Right, Front));
+        }
+    };
+}

main.cpp

@@ -16,6 +16,9 @@ int main(int argc, char **argv){
     try{
         vapp::Vulkan app;
 
+        // app.MODEL_PATH = "models/SMG_Observatory/objects/AstroBaseA.obj";
+        // app.TEXTURE_PATH = "models/SMG_Observatory/objects/AstroBaseA.png";
+
         app.MODEL_PATH = "models/viking_room.obj";
         app.TEXTURE_PATH = "textures/viking_room.png";
 
@@ -27,4 +30,4 @@ int main(int argc, char **argv){
     }
 
     return EXIT_SUCCESS;
-}
+}

vulkan/vulkan_app.cpp

@@ -20,12 +20,17 @@ namespace vapp{
         VK_KHR_SWAPCHAIN_EXTENSION_NAME,
     };
 
-    static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData, void *pUserData){
+    static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
+                                                        VkDebugUtilsMessageTypeFlagsEXT messageType,
+                                                        const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData,
+                                                        void *pUserData){
         std::cerr << "Validation Layer: " << pCallbackData->pMessage << std::endl;
         return VK_FALSE;
     }
 
-    VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkDebugUtilsMessengerEXT *pDebugMessenger){
+    VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT *pCreateInfo,
+                                          const VkAllocationCallbacks *pAllocator,
+                                          VkDebugUtilsMessengerEXT *pDebugMessenger){
         auto func = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(
             instance, "vkCreateDebugUtilsMessengerEXT");
         if(func == nullptr) return VK_ERROR_EXTENSION_NOT_PRESENT;
@@ -33,7 +38,8 @@ namespace vapp{
         return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
     }
 
-    void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks *pAllocator){
+    void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger,
+                                       const VkAllocationCallbacks *pAllocator){
         if(auto func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(
             instance, "vkDestroyDebugUtilsMessengerEXT"); func != nullptr){
             func(instance, debugMessenger, pAllocator);
@@ -101,19 +107,18 @@ namespace vapp{
         return extensions;
     }
 
-    VkSampleCountFlagBits Vulkan::getMaxUsableSampleCount()
-    {
+    VkSampleCountFlagBits Vulkan::getMaxUsableSampleCount(){
         VkPhysicalDeviceProperties physicalDeviceProperties;
         vkGetPhysicalDeviceProperties(physicalDevice, &physicalDeviceProperties);
 
         VkSampleCountFlags counts = physicalDeviceProperties.limits.framebufferDepthSampleCounts;
 
-        if (counts & VK_SAMPLE_COUNT_64_BIT) return VK_SAMPLE_COUNT_64_BIT;
-        if (counts & VK_SAMPLE_COUNT_32_BIT) return VK_SAMPLE_COUNT_32_BIT;
-        if (counts & VK_SAMPLE_COUNT_16_BIT) return VK_SAMPLE_COUNT_16_BIT;
-        if (counts & VK_SAMPLE_COUNT_8_BIT) return VK_SAMPLE_COUNT_8_BIT;
-        if (counts & VK_SAMPLE_COUNT_4_BIT) return VK_SAMPLE_COUNT_4_BIT;
-        if (counts & VK_SAMPLE_COUNT_2_BIT) return VK_SAMPLE_COUNT_2_BIT;
+        if(counts & VK_SAMPLE_COUNT_64_BIT) return VK_SAMPLE_COUNT_64_BIT;
+        if(counts & VK_SAMPLE_COUNT_32_BIT) return VK_SAMPLE_COUNT_32_BIT;
+        if(counts & VK_SAMPLE_COUNT_16_BIT) return VK_SAMPLE_COUNT_16_BIT;
+        if(counts & VK_SAMPLE_COUNT_8_BIT) return VK_SAMPLE_COUNT_8_BIT;
+        if(counts & VK_SAMPLE_COUNT_4_BIT) return VK_SAMPLE_COUNT_4_BIT;
+        if(counts & VK_SAMPLE_COUNT_2_BIT) return VK_SAMPLE_COUNT_2_BIT;
 
         return VK_SAMPLE_COUNT_1_BIT;
     }
@@ -219,6 +224,7 @@ namespace vapp{
 
         VkPhysicalDeviceFeatures deviceFeatures{};
         deviceFeatures.samplerAnisotropy = VK_TRUE;
+        deviceFeatures.sampleRateShading = VK_TRUE;
 
         VkDeviceCreateInfo createInfo{};
         createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
@@ -365,8 +371,8 @@ namespace vapp{
 
         actualExtent.width = std::clamp(actualExtent.width, capabilities.minImageExtent.width,
                                         capabilities.maxImageExtent.width);
-        actualExtent.width = std::clamp(actualExtent.height, capabilities.minImageExtent.height,
-                                        capabilities.maxImageExtent.height);
+        actualExtent.height = std::clamp(actualExtent.height, capabilities.minImageExtent.height,
+                                         capabilities.maxImageExtent.height);
 
         return actualExtent;
     }
@@ -430,7 +436,8 @@ namespace vapp{
         swapChainImageViews.resize(swapChainImages.size());
 
         for(uint32_t i = 0; i < swapChainImages.size(); i++){
-            swapChainImageViews[i] = createImageView(swapChainImages[i], swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1);
+            swapChainImageViews[i] = createImageView(swapChainImages[i], swapChainImageFormat,
+                                                     VK_IMAGE_ASPECT_COLOR_BIT, 1);
         }
     }
 
@@ -448,7 +455,7 @@ namespace vapp{
         samplerLayoutBinding.pImmutableSamplers = nullptr;
         samplerLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
 
-        std::array<VkDescriptorSetLayoutBinding, 2> bindings = { uboLayoutBinding, samplerLayoutBinding };
+        std::array<VkDescriptorSetLayoutBinding, 2> bindings = {uboLayoutBinding, samplerLayoutBinding};
 
         VkDescriptorSetLayoutCreateInfo layoutInfo{};
         layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
@@ -456,7 +463,8 @@ namespace vapp{
         layoutInfo.pBindings = bindings.data();
 
         if(vkCreateDescriptorSetLayout(device, &layoutInfo, nullptr, &descriptorSetLayout) != VK_SUCCESS){
-            throw std::runtime_error("Func: createDescriptorSetLayout\nError: Failed to create Descriptor Set Layout!\n");
+            throw std::runtime_error(
+                "Func: createDescriptorSetLayout\nError: Failed to create Descriptor Set Layout!\n");
         }
     }
 
@@ -467,7 +475,7 @@ namespace vapp{
             vertShaderCode = readFile("shaders/shader.vert.spv");
             fragShaderCode = readFile("shaders/shader.frag.spv");
         }
-        catch(const std::exception &e){
+        catch(const std::exception& e){
             std::cout << "Failed to read ./shaders/...\nTrying fallback folders!\n";
             vertShaderCode = readFile("../shaders/shader.vert.spv");
             fragShaderCode = readFile("../shaders/shader.frag.spv");
@@ -554,6 +562,8 @@ namespace vapp{
         multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
         multisampling.sampleShadingEnable = VK_FALSE;
         multisampling.rasterizationSamples = msaaSamples;
+        multisampling.sampleShadingEnable = VK_TRUE;
+        multisampling.minSampleShading = .8f;
 
         VkPipelineColorBlendAttachmentState colorBlendAttachment{};
         colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT
@@ -694,12 +704,14 @@ namespace vapp{
         VkSubpassDependency dependency{};
         dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
         dependency.dstSubpass = 0;
-        dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
+        dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT |
+            VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
         dependency.srcAccessMask = 0;
-        dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;;
+        dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT |
+            VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;;
         dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;;
 
-        std::array<VkAttachmentDescription, 3> attachments = { colorAttachment, depthAttachment, colorAttachmentResolve };
+        std::array<VkAttachmentDescription, 3> attachments = {colorAttachment, depthAttachment, colorAttachmentResolve};
 
         VkRenderPassCreateInfo renderPassInfo{};
         renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
@@ -719,7 +731,7 @@ namespace vapp{
         swapChainFramebuffers.resize(swapChainImageViews.size());
 
         for(size_t i = 0; i < swapChainImageViews.size(); i++){
-            std::array<VkImageView, 3> attachments = { colorImageView, depthImageView, swapChainImageViews[i] };
+            std::array<VkImageView, 3> attachments = {colorImageView, depthImageView, swapChainImageViews[i]};
 
             VkFramebufferCreateInfo framebufferInfo{};
             framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
@@ -748,7 +760,8 @@ namespace vapp{
         }
     }
 
-    VkFormat Vulkan::findSupportedFormat(const std::vector<VkFormat> &candidates, VkImageTiling tiling, VkFormatFeatureFlags features){
+    VkFormat Vulkan::findSupportedFormat(const std::vector<VkFormat>& candidates, VkImageTiling tiling,
+                                         VkFormatFeatureFlags features){
         for(VkFormat format : candidates){
             VkFormatProperties props;
             vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &props);
@@ -759,34 +772,36 @@ namespace vapp{
             if(tiling == VK_IMAGE_TILING_OPTIMAL && (props.optimalTilingFeatures & features) == features){
                 return format;
             }
-
-            throw std::runtime_error("Func: findSupportedFormat\nError: Failed to find supported Format!\n");
         }
+        throw std::runtime_error("Func: findSupportedFormat\nError: Failed to find supported Format!\n");
     }
 
     VkFormat Vulkan::findDepthFormat(){
         return findSupportedFormat(
-    { VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT },
-                VK_IMAGE_TILING_OPTIMAL,
-                VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT
-            );
+            {VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT},
+            VK_IMAGE_TILING_OPTIMAL,
+            VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT
+        );
     }
 
     bool hasStencilComponent(VkFormat format){
         return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
     }
 
-    void Vulkan::createColorResources()
-    {
+    void Vulkan::createColorResources(){
         VkFormat colorFormat = swapChainImageFormat;
 
-        createImage(swapChainExtent.width, swapChainExtent.height, 1, msaaSamples, colorFormat, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, colorImage, colorImageMemory);
+        createImage(swapChainExtent.width, swapChainExtent.height, 1, msaaSamples, colorFormat, VK_IMAGE_TILING_OPTIMAL,
+                    VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
+                    VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, colorImage, colorImageMemory);
         colorImageView = createImageView(colorImage, colorFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1);
     }
 
     void Vulkan::createDepthResources(){
         VkFormat depthFormat = findDepthFormat();
-        createImage(swapChainExtent.width, swapChainExtent.height, 1, msaaSamples, depthFormat, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, depthImage, depthImageMemory);
+        createImage(swapChainExtent.width, swapChainExtent.height, 1, msaaSamples, depthFormat, VK_IMAGE_TILING_OPTIMAL,
+                    VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, depthImage,
+                    depthImageMemory);
         depthImageView = createImageView(depthImage, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT, 1);
     }
 
@@ -832,7 +847,8 @@ namespace vapp{
         endSingleTimeCommands(commandBuffer);
     }
 
-    void Vulkan::transitionImageLayout(VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout, uint32_t mipLevels){
+    void Vulkan::transitionImageLayout(VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout,
+                                       uint32_t mipLevels){
         VkCommandBuffer commandBuffer = beginSingleTimeCommands();
 
         VkImageMemoryBarrier barrier{};
@@ -861,7 +877,8 @@ namespace vapp{
             sourceStage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
             destinationStage = VK_PIPELINE_STAGE_TRANSFER_BIT;
         }
-        else if(oldLayout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL && newLayout == VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL){
+        else if(oldLayout == VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL && newLayout ==
+            VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL){
             barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
             barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
 
@@ -889,14 +906,16 @@ namespace vapp{
         region.imageSubresource.baseArrayLayer = 0;
         region.imageSubresource.layerCount = 1;
 
-        region.imageOffset = { 0, 0, 0 };
-        region.imageExtent = { width, height, 1 };
+        region.imageOffset = {0, 0, 0};
+        region.imageExtent = {width, height, 1};
 
         vkCmdCopyBufferToImage(commandBuffer, buffer, image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &region);
         endSingleTimeCommands(commandBuffer);
     }
 
-    void Vulkan::createImage(uint32_t width, uint32_t height, uint32_t mipLevels, VkSampleCountFlagBits numSamples, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties, VkImage &image, VkDeviceMemory &imageMemory){
+    void Vulkan::createImage(uint32_t width, uint32_t height, uint32_t mipLevels, VkSampleCountFlagBits numSamples,
+                             VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage,
+                             VkMemoryPropertyFlags properties, VkImage& image, VkDeviceMemory& imageMemory){
         VkImageCreateInfo imageInfo{};
         imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
         imageInfo.imageType = VK_IMAGE_TYPE_2D; // 3D is used to store voxel volumes
@@ -906,7 +925,8 @@ namespace vapp{
         imageInfo.mipLevels = mipLevels;
         imageInfo.arrayLayers = 1;
         imageInfo.format = format;
-        imageInfo.tiling = tiling; // or LINEAR for direct memory access of texels, OPTIMAL provides efficient access from shader
+        imageInfo.tiling = tiling;
+        // or LINEAR for direct memory access of texels, OPTIMAL provides efficient access from shader
         imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
         imageInfo.usage = usage;
         imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
@@ -932,14 +952,15 @@ namespace vapp{
         vkBindImageMemory(device, image, imageMemory, 0);
     }
 
-    void Vulkan::generateMipmaps(VkImage image, VkFormat imageFormat, int32_t texWidth, int32_t texHeight, uint32_t mipLevels){
+    void Vulkan::generateMipmaps(VkImage image, VkFormat imageFormat, int32_t texWidth, int32_t texHeight,
+                                 uint32_t mipLevels){
         // normally mipmaps are stored alongside base level of image
         VkFormatProperties formatProperties;
         vkGetPhysicalDeviceFormatProperties(physicalDevice, imageFormat, &formatProperties);
 
-        if (!(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT))
-        {
-            throw std::runtime_error("Func: generateMipmaps\nError: Texture Image Format does not support linear blitting!\n");
+        if(!(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT)){
+            throw std::runtime_error(
+                "Func: generateMipmaps\nError: Texture Image Format does not support linear blitting!\n");
         }
 
         VkCommandBuffer commandBuffer = beginSingleTimeCommands();
@@ -957,42 +978,44 @@ namespace vapp{
         int32_t mipWidth = texWidth;
         int32_t mipHeight = texHeight;
 
-        for (uint32_t i = 1; i < mipLevels; i++)
-        {
+        for(uint32_t i = 1; i < mipLevels; i++){
             barrier.subresourceRange.baseMipLevel = i - 1;
             barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
             barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
             barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
             barrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
 
-            vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier);
+            vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0,
+                                 nullptr, 0, nullptr, 1, &barrier);
 
             VkImageBlit blit{};
-            blit.srcOffsets[0] = { 0, 0, 0 };
-            blit.srcOffsets[1] = { mipWidth, mipHeight, 1 };
+            blit.srcOffsets[0] = {0, 0, 0};
+            blit.srcOffsets[1] = {mipWidth, mipHeight, 1};
             blit.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
             blit.srcSubresource.mipLevel = i - 1;
             blit.srcSubresource.baseArrayLayer = 0;
             blit.srcSubresource.layerCount = 1;
 
-            blit.dstOffsets[0] = { 0, 0, 0 };
-            blit.dstOffsets[1] = { mipWidth > 1 ? mipWidth / 2 : 1, mipHeight > 1 ? mipHeight / 2 : 1, 1 };
+            blit.dstOffsets[0] = {0, 0, 0};
+            blit.dstOffsets[1] = {mipWidth > 1 ? mipWidth / 2 : 1, mipHeight > 1 ? mipHeight / 2 : 1, 1};
             blit.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
             blit.dstSubresource.mipLevel = i;
             blit.dstSubresource.baseArrayLayer = 0;
             blit.dstSubresource.layerCount = 1;
 
-            vkCmdBlitImage(commandBuffer, image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &blit, VK_FILTER_LINEAR);
+            vkCmdBlitImage(commandBuffer, image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, image,
+                           VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &blit, VK_FILTER_LINEAR);
 
             barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
             barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
             barrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
             barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
 
-            vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier);
+            vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
+                                 0, 0, nullptr, 0, nullptr, 1, &barrier);
 
-            if (mipWidth > 1)  mipWidth /= 2;
-            if (mipHeight > 1) mipHeight /= 2;
+            if(mipWidth > 1) mipWidth /= 2;
+            if(mipHeight > 1) mipHeight /= 2;
         }
 
         barrier.subresourceRange.baseMipLevel = mipLevels - 1;
@@ -1001,7 +1024,8 @@ namespace vapp{
         barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
         barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
 
-        vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier);
+        vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0,
+                             nullptr, 0, nullptr, 1, &barrier);
 
         endSingleTimeCommands(commandBuffer);
     }
@@ -1010,7 +1034,8 @@ namespace vapp{
         int texWidth, texHeight, texChannels;
 
         if(MODEL_PATH == "" || TEXTURE_PATH == ""){
-            throw std::runtime_error("Func: createTextureImage\nError: No file was given in MODEL_PATH or TEXTURE_PATH!\n");
+            throw std::runtime_error(
+                "Func: createTextureImage\nError: No file was given in MODEL_PATH or TEXTURE_PATH!\n");
         }
 
         stbi_uc *pixels = stbi_load(TEXTURE_PATH.c_str(), &texWidth, &texHeight, &texChannels, STBI_rgb_alpha);
@@ -1023,7 +1048,9 @@ namespace vapp{
         VkBuffer stagingBuffer;
         VkDeviceMemory stagingBufferMemory;
 
-        createBuffer(imageSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
+        createBuffer(imageSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
+                     VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer,
+                     stagingBufferMemory);
 
         void *data;
         vkMapMemory(device, stagingBufferMemory, 0, imageSize, 0, &data);
@@ -1032,9 +1059,14 @@ namespace vapp{
 
         stbi_image_free(pixels);
 
-        createImage(texWidth, texHeight, mipLevels, VK_SAMPLE_COUNT_1_BIT, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, textureImage, textureImageMemory);
-        transitionImageLayout(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, mipLevels);
-        copyBufferToImage(stagingBuffer, textureImage, static_cast<uint32_t>(texWidth), static_cast<uint32_t>(texHeight));
+        createImage(texWidth, texHeight, mipLevels, VK_SAMPLE_COUNT_1_BIT, VK_FORMAT_R8G8B8A8_SRGB,
+                    VK_IMAGE_TILING_OPTIMAL,
+                    VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
+                    VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, textureImage, textureImageMemory);
+        transitionImageLayout(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_UNDEFINED,
+                              VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, mipLevels);
+        copyBufferToImage(stagingBuffer, textureImage, static_cast<uint32_t>(texWidth),
+                          static_cast<uint32_t>(texHeight));
         // removed because of mipmapping
         // transitionImageLayout(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_UNDEFINED /*TRANSFER_DST_OPTIMAL*/, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL /*SHADER_READ_ONLY_OPTIMAL*/, mipLevels);
         vkDestroyBuffer(device, stagingBuffer, nullptr);
@@ -1043,7 +1075,8 @@ namespace vapp{
         generateMipmaps(textureImage, VK_FORMAT_R8G8B8A8_SRGB, texWidth, texHeight, mipLevels);
     }
 
-    VkImageView Vulkan::createImageView(VkImage image, VkFormat format, VkImageAspectFlags aspectFlags, uint32_t mipLevels){
+    VkImageView Vulkan::createImageView(VkImage image, VkFormat format, VkImageAspectFlags aspectFlags,
+                                        uint32_t mipLevels){
         VkImageViewCreateInfo viewInfo{};
         viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
         viewInfo.image = image;
@@ -1104,13 +1137,15 @@ namespace vapp{
         VkPhysicalDeviceMemoryProperties memProperties;
         vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
         for(uint32_t i = 0; i < memProperties.memoryTypeCount; i++){
-            if(typeFilter & (1 << i) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) return i;
+            if(typeFilter & (1 << i) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) return
+                i;
         }
 
         throw std::runtime_error("Func: findMemoryType\nError: Failed to find suitable memory type!\n");
     }
 
-    void Vulkan::createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer &buffer, VkDeviceMemory &bufferMemory){
+    void Vulkan::createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties,
+                              VkBuffer& buffer, VkDeviceMemory& bufferMemory){
         VkBufferCreateInfo bufferInfo{};
         bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
         bufferInfo.size = size;
@@ -1183,8 +1218,8 @@ namespace vapp{
 
         std::unordered_map<Vertex, uint32_t> uniqueVertices{};
 
-        for(const auto &shape : shapes){
-            for(const auto &index : shape.mesh.indices){
+        for(const auto& shape : shapes){
+            for(const auto& index : shape.mesh.indices){
                 Vertex vertex{};
 
                 vertex.pos = {
@@ -1198,7 +1233,7 @@ namespace vapp{
                     1.0f - attrib.texcoords[2 * index.texcoord_index + 1],
                 };
 
-                vertex.color = { 1.0f, 1.0f, 1.0f };
+                vertex.color = {1.0f, 1.0f, 1.0f};
 
 
                 if(!uniqueVertices.contains(vertex)){
@@ -1218,14 +1253,17 @@ namespace vapp{
         VkBuffer stagingBuffer;
         VkDeviceMemory stagingBufferMemory;
 
-        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
+        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
+                     VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer,
+                     stagingBufferMemory);
 
         void *data;
         vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
         memcpy(data, vertices.data(), (size_t)bufferSize);
         vkUnmapMemory(device, stagingBufferMemory);
 
-        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
+        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
+                     VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
 
         copyBuffer(stagingBuffer, vertexBuffer, bufferSize);
 
@@ -1239,14 +1277,17 @@ namespace vapp{
         VkBuffer stagingBuffer;
         VkDeviceMemory stagingBufferMemory;
 
-        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
+        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
+                     VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer,
+                     stagingBufferMemory);
 
         void *data;
         vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
         memcpy(data, indices.data(), (size_t)bufferSize);
         vkUnmapMemory(device, stagingBufferMemory);
 
-        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
+        createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
+                     VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
 
         copyBuffer(stagingBuffer, indexBuffer, bufferSize);
 
@@ -1262,7 +1303,9 @@ namespace vapp{
         uniformBuffersMapped.resize(MAX_FRAMES_IN_FLIGHT);
 
         for(size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++){
-            createBuffer(bufferSize, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, uniformBuffers[i], uniformBuffersMemory[i]);
+            createBuffer(bufferSize, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
+                         VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, uniformBuffers[i],
+                         uniformBuffersMemory[i]);
             vkMapMemory(device, uniformBuffersMemory[i], 0, bufferSize, 0, &uniformBuffersMapped[i]);
         }
     }
@@ -1328,7 +1371,8 @@ namespace vapp{
             descriptorWrites[1].descriptorCount = 1;
             descriptorWrites[1].pImageInfo = &imageInfo;
 
-            vkUpdateDescriptorSets(device, static_cast<uint32_t>(descriptorWrites.size()), descriptorWrites.data(), 0, nullptr);
+            vkUpdateDescriptorSets(device, static_cast<uint32_t>(descriptorWrites.size()), descriptorWrites.data(), 0,
+                                   nullptr);
         }
     }
 
@@ -1363,7 +1407,7 @@ namespace vapp{
 
         std::array<VkClearValue, 2> clearValues{};
         clearValues[0].color = {{0.01f, 0.01f, 0.01f, 1.0f}}; // Background color after clear (Black 100%)
-        clearValues[1].depthStencil = { 1.0f, 0 };
+        clearValues[1].depthStencil = {1.0f, 0};
 
         renderPassInfo.clearValueCount = static_cast<uint32_t>(clearValues.size());
         renderPassInfo.pClearValues = clearValues.data();
@@ -1371,8 +1415,8 @@ namespace vapp{
         vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
         vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
 
-        VkBuffer vertexBuffers[] = { vertexBuffer };
-        VkDeviceSize offsets[] = { 0 };
+        VkBuffer vertexBuffers[] = {vertexBuffer};
+        VkDeviceSize offsets[] = {0};
         vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
 
         vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT32);
@@ -1391,7 +1435,8 @@ namespace vapp{
         scissor.extent = swapChainExtent;
         vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
 
-        vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets[currentFrame], 0, nullptr);
+        vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1,
+                                &descriptorSets[currentFrame], 0, nullptr);
 
         // vkCmdDraw(commandBuffer, static_cast<uint32_t>(vertices.size()), 1, 0, 0);
         // -> goto indexed draw
@@ -1435,9 +1480,9 @@ namespace vapp{
 
         UniformBufferObject ubo{};
         // INFO: Change here for other angles
-        ubo.model = glm::rotate(glm::mat4(1.0f), time * glm::radians(60.0f), glm::vec3(0.0f, 0.0f, 1.0f));
-        ubo.view = glm::lookAt(glm::vec3(2.0f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
-        ubo.proj = glm::perspective(glm::radians(45.0f), swapChainExtent.width / (float)swapChainExtent.height, 0.1f, 10.0f);
+        ubo.model = glm::rotate(glm::mat4(1.0f), time * glm::radians(0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
+        ubo.view = camera.GetViewMatrix(); // glm::lookAt(cameraPos, cameraFront, cameraUp);
+        ubo.proj = glm::perspective(glm::radians(camera.Zoom), swapChainExtent.width / (float)swapChainExtent.height, 0.1f, 10.0f);
 
         // removing this line results in the image rendering upside down
         ubo.proj[1][1] *= -1;
@@ -1450,7 +1495,8 @@ namespace vapp{
         vkResetFences(device, 1, &inFlightFences[currentFrame]);
 
         uint32_t imageIndex;
-        VkResult result = vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
+        VkResult result = vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame],
+                                                VK_NULL_HANDLE, &imageIndex);
 
         // INFO: is this right here?
         // vkResetFences(device, 1, &inFlightFences[currentFrame]);
@@ -1512,10 +1558,12 @@ namespace vapp{
         vkDestroyImage(device, depthImage, nullptr);
         vkFreeMemory(device, depthImageMemory, nullptr);
 
-        for(const auto & swapChainFramebuffer : swapChainFramebuffers)
-            { vkDestroyFramebuffer(device, swapChainFramebuffer, nullptr); }
-        for(const auto & swapChainImageView : swapChainImageViews)
-            { vkDestroyImageView(device, swapChainImageView, nullptr); }
+        for(const auto& swapChainFramebuffer : swapChainFramebuffers){
+            vkDestroyFramebuffer(device, swapChainFramebuffer, nullptr);
+        }
+        for(const auto& swapChainImageView : swapChainImageViews){
+            vkDestroyImageView(device, swapChainImageView, nullptr);
+        }
 
         vkDestroySwapchainKHR(device, swapChain, nullptr);
     }
@@ -1546,10 +1594,16 @@ namespace vapp{
     void Vulkan::initWindow(const char *windowName){
         glfwInit();
         glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); // tell glfw to not use opengl
-        glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // disable window resize
-        this->window = glfwCreateWindow(static_cast<int>(_width), static_cast<int>(_height), windowName, nullptr, nullptr);
+        glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE); // disable window resize
+        this->window = glfwCreateWindow(static_cast<int>(_width), static_cast<int>(_height), windowName, nullptr,
+                                        nullptr);
         glfwSetWindowUserPointer(window, this);
         glfwSetFramebufferSizeCallback(window, framebufferResizeCallback);
+
+        glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
+        glfwSetCursorPosCallback(window, mouseCallback);
+        glfwSetScrollCallback(window, scrollCallback);
+        glfwSetKeyCallback(window, keyCallback);
     }
 
     void Vulkan::initVulkan(){
@@ -1584,6 +1638,9 @@ namespace vapp{
         while(!glfwWindowShouldClose(this->window)){
             // glfwSwapBuffers(window);
             glfwPollEvents();
+
+            processInput();
+
             drawFrame();
         }
         vkDeviceWaitIdle(device);
@@ -1636,8 +1693,6 @@ namespace vapp{
         vkDestroySurfaceKHR(instance, surface, nullptr);
         vkDestroyInstance(instance, nullptr);
 
-        vkDestroyInstance(instance, nullptr);
-
         // GLFW
         glfwDestroyWindow(this->window);
         glfwTerminate();

vulkan/vulkan_app.hpp

@@ -27,6 +27,8 @@
 #include <chrono>
 #include <unordered_map>
 
+#include "../camera/camera.hpp"
+
 namespace vapp{
     // Change here for other presentMode
     const VkPresentModeKHR WISHED_PRESENT_MODE = VK_PRESENT_MODE_MAILBOX_KHR;
@@ -67,7 +69,7 @@ namespace vapp{
             return attributeDescriptions;
         }
 
-        bool operator==(const Vertex &other) const{
+        bool operator==(const Vertex& other) const{
             return pos == other.pos && color == other.color && texCoord == other.texCoord;
         }
     };
@@ -187,6 +189,14 @@ namespace vapp{
         VkImage colorImage;
         VkDeviceMemory colorImageMemory;
         VkImageView colorImageView;
+
+#pragma region GLFWFunctions
+        static void mouseCallback(GLFWwindow *win, double xpos, double ypos);
+        static void scrollCallback(GLFWwindow *win, double xoffset, double yoffset);
+        void processInput();
+        static void keyCallback(GLFWwindow *window, int key, int scancode, int action, int mods);
+#pragma endregion
+
 #pragma endregion
 #pragma region PrivateFunctions
         bool checkValidationLayerSupport();
@@ -213,22 +223,28 @@ namespace vapp{
         void createRenderPass();
         void createFramebuffers();
         void createCommandPool();
-        VkFormat findSupportedFormat(const std::vector<VkFormat> &candidates, VkImageTiling tiling, VkFormatFeatureFlags features);
+        VkFormat findSupportedFormat(const std::vector<VkFormat>& candidates, VkImageTiling tiling,
+                                     VkFormatFeatureFlags features);
         VkFormat findDepthFormat();
         void createColorResources();
         void createDepthResources();
         VkCommandBuffer beginSingleTimeCommands();
         void endSingleTimeCommands(VkCommandBuffer commandBuffer);
-        void transitionImageLayout(VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout, uint32_t mipLevels);
+        void transitionImageLayout(VkImage image, VkFormat format, VkImageLayout oldLayout, VkImageLayout newLayout,
+                                   uint32_t mipLevels);
         void copyBufferToImage(VkBuffer buffer, VkImage image, uint32_t width, uint32_t height);
-        void createImage(uint32_t width, uint32_t height, uint32_t mipLevels, VkSampleCountFlagBits numSamples, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties, VkImage& image, VkDeviceMemory &imageMemory);
-        void generateMipmaps(VkImage image, VkFormat imageFormat, int32_t texWidth, int32_t texHeight, uint32_t mipLevels);
+        void createImage(uint32_t width, uint32_t height, uint32_t mipLevels, VkSampleCountFlagBits numSamples,
+                         VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage,
+                         VkMemoryPropertyFlags properties, VkImage& image, VkDeviceMemory& imageMemory);
+        void generateMipmaps(VkImage image, VkFormat imageFormat, int32_t texWidth, int32_t texHeight,
+                             uint32_t mipLevels);
         void createTextureImage();
         VkImageView createImageView(VkImage image, VkFormat format, VkImageAspectFlags aspectFlags, uint32_t mipLevels);
         void createTextureImageView();
         void createTextureSampler();
         uint32_t findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties);
-        void createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer &buffer, VkDeviceMemory &bufferMemory);
+        void createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties,
+                          VkBuffer& buffer, VkDeviceMemory& bufferMemory);
         void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size);
         void copyBufferOld(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size);
         void loadModel();
@@ -249,6 +265,7 @@ namespace vapp{
         void mainLoop();
         void cleanup();
 #pragma endregion
+
     public:
 #pragma region PublicFields
 #ifdef DEBUG
@@ -262,7 +279,19 @@ namespace vapp{
         std::string TEXTURE_PATH;
 
         VkSampleCountFlagBits msaaSamples = VK_SAMPLE_COUNT_1_BIT;
+
+        Camera camera;
+        float yaw = -90.0f;
+        float pitch = 0.0f;
+        float lastX = 0.0f, lastY = 0.0f;
+        bool firstMouse = true;
+        float deltaTime = 0.0f, lastFrame = 0.0f;
+
+        glm::vec3 cameraPos = glm::vec3(2.0f, 2.0f, 2.0f);
+        glm::vec3 cameraFront = glm::vec3(0.0f, 0.0f, 0.0f);
+        glm::vec3 cameraUp = glm::vec3(0.0f, 0.0f, 1.0f);
 #pragma endregion
+
 #pragma region PublicFunctions
         void run(const char *windowName, const uint32_t width = 800, const uint32_t height = 600);
 #pragma endregion
@@ -270,11 +299,12 @@ namespace vapp{
 } // vapp
 
 namespace std{
-    template<> struct hash<vapp::Vertex>{
-        size_t operator()(vapp::Vertex const &vertex) const{
+    template <>
+    struct hash<vapp::Vertex>{
+        size_t operator()(vapp::Vertex const& vertex) const{
             return ((hash<glm::vec3>()(vertex.pos) ^
                     (hash<glm::vec3>()(vertex.color) << 1)) >> 1) ^
-                    (hash<glm::vec2>()(vertex.texCoord) << 1);
+                (hash<glm::vec2>()(vertex.texCoord) << 1);
         }
     };
 }

vulkan/vulkan_glfw_events.cpp

@@ -0,0 +1,51 @@
+#include "vulkan_app.hpp"
+
+namespace vapp{
+    void Vulkan::processInput(){
+        float currentFrame = static_cast<float>(glfwGetTime());
+        deltaTime = currentFrame - lastFrame;
+        lastFrame = currentFrame;
+
+        if(glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
+            camera.ProcessKeyboard(FORWARD, deltaTime);
+        if(glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
+            camera.ProcessKeyboard(BACKWARD, deltaTime);
+        if(glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
+            camera.ProcessKeyboard(LEFT, deltaTime);
+        if(glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
+            camera.ProcessKeyboard(RIGHT, deltaTime);
+        if(glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS)
+            camera.ProcessKeyboard(UP, deltaTime);
+        if(glfwGetKey(window, GLFW_KEY_LEFT_CONTROL) == GLFW_PRESS)
+            camera.ProcessKeyboard(DOWN, deltaTime);
+    }
+
+    void Vulkan::keyCallback(GLFWwindow *window, int key, int scancode, int action, int mods){
+        Vulkan *app = static_cast<Vulkan*>(glfwGetWindowUserPointer(window));
+        if(key == GLFW_KEY_LEFT_SHIFT){
+            if(action == GLFW_PRESS)
+                app->camera.MovementSpeed = 5.0f;
+            else if(action == GLFW_RELEASE)
+                app->camera.MovementSpeed = 2.5f;
+        }
+    }
+
+    void Vulkan::mouseCallback(GLFWwindow *window, double xpos, double ypos){
+        auto app = static_cast<Vulkan*>(glfwGetWindowUserPointer(window));
+        if(app->firstMouse){
+            app->lastX = xpos;
+            app->lastY = ypos;
+            app->firstMouse = false;
+        }
+        float xoff = xpos - app->lastX;
+        float yoff = app->lastY - ypos;
+        app->lastX = xpos;
+        app->lastY = ypos;
+        app->camera.ProcessMouseMovement(xoff, yoff);
+    }
+
+    void Vulkan::scrollCallback(GLFWwindow *window, double /*x*/, double yoffset){
+        Vulkan *app = static_cast<Vulkan*>(glfwGetWindowUserPointer(window));
+        app->camera.ProcessMouseScroll(static_cast<float>(yoffset));
+    }
+}