diff --git a/.appveyor.yml b/.appveyor.yml
new file mode 100644
index 0000000..1020c59
--- /dev/null
+++ b/.appveyor.yml
@@ -0,0 +1,90 @@
+environment:
+  matrix:
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      configuration: Debug
+      platform: x86
+      generator: "Visual Studio 14 2015"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      configuration: Debug
+      platform: x64
+      generator: "Visual Studio 14 2015"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      configuration: Release
+      platform: x86
+      generator: "Visual Studio 14 2015"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      configuration: Release
+      platform: x64
+      generator: "Visual Studio 14 2015"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      configuration: Debug
+      platform: x86
+      generator: "Visual Studio 15 2017"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      configuration: Debug
+      platform: x64
+      generator: "Visual Studio 15 2017"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      configuration: Release
+      platform: x86
+      generator: "Visual Studio 15 2017"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
+      configuration: Release
+      platform: x64
+      generator: "Visual Studio 15 2017"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      configuration: Debug
+      platform: x86
+      generator: "Visual Studio 16 2019"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      configuration: Debug
+      platform: x64
+      generator: "Visual Studio 16 2019"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      configuration: Release
+      platform: x86
+      generator: "Visual Studio 16 2019"
+
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      configuration: Release
+      platform: x64
+      generator: "Visual Studio 16 2019"
+
+init:
+  # Variables
+  - if "%platform%"=="x86" (set generator_platform=Win32) else (set generator_platform=x64)
+  # Info
+  - cmake --version
+  - msbuild /version
+
+install:
+  - git submodule update --init --recursive
+
+  # SFML
+  - git clone --recurse --depth 1 https://github.com/SFML/SFML "%TMP%/sfml_local"
+  - pushd "%TMP%/sfml_local"
+  - mkdir cmake-build
+  - pushd cmake-build
+  - mkdir "%TMP%/sfml_install"
+  - cmake -G "%generator%" -A "%generator_platform%" -DCMAKE_CONFIGURATION_TYPES="%configuration%" -DCMAKE_BUILD_TYPE="%configuration%" -DCMAKE_INSTALL_PREFIX="%TMP%/sfml_install" ..
+  - cmake --build . --config "%configuration%" --target install -- /M
+
+  # Dear ImGui
+  - git clone --recurse --depth 1 https://github.com/ocornut/imgui %TMP%/imgui_local
+
+build_script:
+  - pushd "%APPVEYOR_BUILD_FOLDER%"
+  - mkdir cmake-build
+  - pushd cmake-build
+  - cmake -G "%generator%" -A "%generator_platform%" -DCMAKE_CONFIGURATION_TYPES="%configuration%" -DCMAKE_BUILD_TYPE="%configuration%" -DCMAKE_PREFIX_PATH="%TMP%/sfml_install" -DSFML_DIR="%TMP%/sfml_install" -DIMGUI_DIR="%TMP%/imgui_local" -DBUILD_SHARED_LIBS=ON ..
+  - cmake --build . --config "%configuration%" -- /M
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..2d0ce12
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,323 @@
+name: build
+
+on:
+  - push
+  - pull_request
+
+env:
+  CMAKE_VERSION: 3.17.0
+  NINJA_VERSION: 1.10.0
+  CCACHE_VERSION: 3.7.7
+
+jobs:
+  build:
+    name: ${{ matrix.config.name }}
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+        - {
+            name: "Windows Latest - MSVC - Debug",
+            os: windows-latest,
+            cc: "cl",
+            cxx: "cl",
+            environment_script: "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build/vcvars64.bat",
+            build_type: Debug
+          }
+        - {
+            name: "Windows Latest - MSVC - Release",
+            os: windows-latest,
+            cc: "cl",
+            cxx: "cl",
+            environment_script: "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build/vcvars64.bat",
+            build_type: Release
+          }
+        - {
+            name: "Windows Latest - MinGW - Debug",
+            os: windows-latest,
+            cc: "gcc",
+            cxx: "g++",
+            build_type: Debug
+          }
+        - {
+            name: "Windows Latest - MinGW - Release",
+            os: windows-latest,
+            cc: "gcc",
+            cxx: "g++",
+            build_type: Release
+          }
+        - {
+            name: "Ubuntu Latest - GCC - Debug",
+            os: ubuntu-latest,
+            cc: "gcc",
+            cxx: "g++",
+            build_type: Debug
+          }
+        - {
+            name: "Ubuntu Latest - GCC - Release",
+            os: ubuntu-latest,
+            cc: "gcc",
+            cxx: "g++",
+            build_type: Release
+          }
+        - {
+            name: "Ubuntu Latest - Clang - Debug",
+            os: ubuntu-latest,
+            cc: "clang",
+            cxx: "clang++",
+            build_type: Debug
+          }
+        - {
+            name: "Ubuntu Latest - Clang - Release",
+            os: ubuntu-latest,
+            cc: "clang",
+            cxx: "clang++",
+            build_type: Release
+          }
+        - {
+            name: "macOS Latest - GCC - Debug",
+            os: macos-latest,
+            cc: "gcc",
+            cxx: "g++",
+            build_type: Debug
+          }
+        - {
+            name: "macOS Latest - GCC - Release",
+            os: macos-latest,
+            cc: "gcc",
+            cxx: "g++",
+            build_type: Release
+          }
+        - {
+            name: "macOS Latest - Clang - Debug",
+            os: macos-latest,
+            cc: "clang",
+            cxx: "clang++",
+            build_type: Debug
+          }
+        - {
+            name: "macOS Latest - Clang - Release",
+            os: macos-latest,
+            cc: "clang",
+            cxx: "clang++",
+            build_type: Release
+          }
+
+    steps:
+    - name: Checkout ImGui-SFML
+      uses: actions/checkout@v2
+      with:
+        submodules: recursive
+        path: imgui-sfml
+
+    - name: Checkout SFML
+      uses: actions/checkout@v2
+      with:
+        repository: SFML/SFML
+        submodules: recursive
+        path: SFML
+
+    - name: Checkout Dear ImGui
+      uses: actions/checkout@v2
+      with:
+        repository: ocornut/imgui
+        submodules: recursive
+        path: imgui
+
+    - name: Download CMake
+      id: cmake
+      shell: cmake -P {0}
+      run: |
+        set(cmake_version $ENV{CMAKE_VERSION})
+        message(STATUS "Using host CMake version: ${CMAKE_VERSION}")
+        if ("${{ runner.os }}" STREQUAL "Windows")
+          set(cmake_suffix "win64-x64.zip")
+          set(cmake_dir "cmake-${cmake_version}-win64-x64/bin")
+        elseif ("${{ runner.os }}" STREQUAL "Linux")
+          set(cmake_suffix "Linux-x86_64.tar.gz")
+          set(cmake_dir "cmake-${cmake_version}-Linux-x86_64/bin")
+        elseif ("${{ runner.os }}" STREQUAL "macOS")
+          set(cmake_suffix "Darwin-x86_64.tar.gz")
+          set(cmake_dir "cmake-${cmake_version}-Darwin-x86_64/CMake.app/Contents/bin")
+        endif()
+        set(cmake_url "https://github.com/Kitware/CMake/releases/download/v${cmake_version}/cmake-${cmake_version}-${cmake_suffix}")
+        file(DOWNLOAD "${cmake_url}" ./cmake.zip SHOW_PROGRESS)
+        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./cmake.zip)
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/${cmake_dir}/cmake" cmake_binary)
+        if (NOT "${{ runner.os }}" STREQUAL "Windows")
+          execute_process(COMMAND chmod +x ${cmake_binary})
+        endif()
+        message("::set-output name=cmake_binary::${cmake_binary}")
+
+    - name: Download Ninja
+      id: ninja
+      shell: cmake -P {0}
+      run: |
+        set(ninja_version $ENV{NINJA_VERSION})
+        message(STATUS "Using host CMake version: ${CMAKE_VERSION}")
+        if ("${{ runner.os }}" STREQUAL "Windows")
+          set(ninja_suffix "win.zip")
+        elseif ("${{ runner.os }}" STREQUAL "Linux")
+          set(ninja_suffix "linux.zip")
+        elseif ("${{ runner.os }}" STREQUAL "macOS")
+          set(ninja_suffix "mac.zip")
+        endif()
+        set(ninja_url "https://github.com/ninja-build/ninja/releases/download/v${ninja_version}/ninja-${ninja_suffix}")
+        file(DOWNLOAD "${ninja_url}" ./ninja.zip SHOW_PROGRESS)
+        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./ninja.zip)
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/ninja" ninja_binary)
+        if (NOT "${{ runner.os }}" STREQUAL "Windows")
+          execute_process(COMMAND chmod +x ${ninja_binary})
+        endif()
+        message("::set-output name=ninja_binary::${ninja_binary}")
+
+    - name: Download ccache
+      id: ccache
+      shell: cmake -P {0}
+      run: |
+        set(ccache_url "https://github.com/cristianadam/ccache/releases/download/v$ENV{CCACHE_VERSION}/${{ runner.os }}.tar.xz")
+        file(DOWNLOAD "${ccache_url}" ./ccache.tar.xz SHOW_PROGRESS)
+        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./ccache.tar.xz)
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/ccache" ccache_binary)
+        if (NOT "${{ runner.os }}" STREQUAL "Windows")
+          execute_process(COMMAND chmod +x ${ccache_binary})
+        endif()
+        message("::set-output name=ccache_binary::${ccache_binary}")
+
+    - name: Configure ccache
+      id: configure_ccache
+      shell: cmake -P {0}
+      run: |
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}" ccache_basedir)
+        message("::set-env name=CCACHE_BASEDIR::${ccache_basedir}")
+        message("::set-env name=CCACHE_DIR::${ccache_basedir}/.ccache")
+        message("::set-env name=CCACHE_COMPRESS::true")
+        message("::set-env name=CCACHE_COMPRESSLEVEL::6")
+        message("::set-env name=CCACHE_MAXSIZE::400M")
+        execute_process(COMMAND ${{ steps.ccache.outputs.ccache_binary }} -p)
+        execute_process(COMMAND ${{ steps.ccache.outputs.ccache_binary }} -z)
+        string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
+        message("::set-output name=timestamp::${current_date}")
+
+    - name: Cache ccache files
+      uses: actions/cache@v2
+      with:
+        path: .ccache
+        key: ${{ matrix.config.name }}-ccache-${{ steps.configure_ccache.outputs.timestamp }}
+        restore-keys: |
+          ${{ matrix.config.name }}-ccache-
+
+    - name: Prepare build environment
+      shell: cmake -P {0}
+      run: |
+        message("::set-env name=CC::${{ matrix.config.cc }}")
+        message("::set-env name=CXX::${{ matrix.config.cxx }}")
+        if ("${{ runner.os }}" STREQUAL "Linux")
+          execute_process(
+            COMMAND sudo apt-get -y install libsfml-dev libudev-dev libopenal-dev libvorbis-dev libflac-dev libxrandr-dev freeglut3-dev libjpeg-dev libfreetype6-dev libxrandr-dev libglew-dev libsndfile1-dev libopenal-dev libfreetype6-dev
+          )
+        endif()
+        if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
+          execute_process(
+            COMMAND "${{ matrix.config.environment_script }}" && set
+            OUTPUT_FILE environment_script_output.txt
+          )
+        endif()
+        message("::add-path::\"$ENV{GITHUB_WORKSPACE}\"")
+
+    - name: Install SFML
+      id: install_sfml
+      shell: cmake -P {0}
+      run: |
+        if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
+          file(STRINGS environment_script_output.txt output_lines)
+          foreach(line IN LISTS output_lines)
+            if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
+              set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
+            endif()
+          endforeach()
+        endif()
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/sfml_install" sfml_install_dir)
+        execute_process(COMMAND ${CMAKE_COMMAND} -E make_directory ${sfml_install_dir})
+        execute_process(
+          COMMAND ${{ steps.cmake.outputs.cmake_binary }}
+            -S $ENV{GITHUB_WORKSPACE}/SFML
+            -B $ENV{GITHUB_WORKSPACE}/SFML/build
+            -D CMAKE_CONFIGURATION_TYPES=${{ matrix.config.build_type }}
+            -D CMAKE_BUILD_TYPE=${{ matrix.config.build_type }}
+            -G Ninja
+            -D CMAKE_MAKE_PROGRAM=${{ steps.ninja.outputs.ninja_binary }}
+            -D CMAKE_C_COMPILER_LAUNCHER=${{ steps.ccache.outputs.ccache_binary }}
+            -D CMAKE_CXX_COMPILER_LAUNCHER=${{ steps.ccache.outputs.ccache_binary }}
+            -D CMAKE_INSTALL_PREFIX=${sfml_install_dir}
+          RESULT_VARIABLE result
+        )
+        if (NOT result EQUAL 0)
+          message(FATAL_ERROR "SFML configure: Bad exit status")
+        endif()
+        execute_process(
+          COMMAND ${{ steps.cmake.outputs.cmake_binary }}
+            --build $ENV{GITHUB_WORKSPACE}/SFML/build
+            --config ${BUILD_TYPE}
+            --target install
+          RESULT_VARIABLE result
+        )
+        if (NOT result EQUAL 0)
+          message(FATAL_ERROR "SFML build: Bad exit status")
+        endif()
+        execute_process(COMMAND ${{ steps.ccache.outputs.ccache_binary }} -s)
+        message("::set-output name=sfml_install_dir::${sfml_install_dir}")
+
+    - name: Configure
+      shell: cmake -P {0}
+      run: |
+        if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
+          file(STRINGS environment_script_output.txt output_lines)
+          foreach(line IN LISTS output_lines)
+            if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
+              set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
+            endif()
+          endforeach()
+        endif()
+        execute_process(
+          COMMAND ${{ steps.cmake.outputs.cmake_binary }}
+            -S $ENV{GITHUB_WORKSPACE}/imgui-sfml
+            -B $ENV{GITHUB_WORKSPACE}/imgui-sfml/build
+            -D CMAKE_CONFIGURATION_TYPES=${{ matrix.config.build_type }}
+            -D CMAKE_BUILD_TYPE=${{ matrix.config.build_type }}
+            -G Ninja
+            -D CMAKE_MAKE_PROGRAM=${{ steps.ninja.outputs.ninja_binary }}
+            -D CMAKE_C_COMPILER_LAUNCHER=${{ steps.ccache.outputs.ccache_binary }}
+            -D CMAKE_CXX_COMPILER_LAUNCHER=${{ steps.ccache.outputs.ccache_binary }}
+            -D CMAKE_PREFIX_PATH=${{ steps.install_sfml.outputs.sfml_install_dir }}
+            -D SFML_DIR=${{ steps.install_sfml.outputs.sfml_install_dir }}
+            -D IMGUI_DIR=$ENV{GITHUB_WORKSPACE}/imgui
+            -D BUILD_SHARED_LIBS=ON
+          RESULT_VARIABLE result
+        )
+        if (NOT result EQUAL 0)
+          message(FATAL_ERROR "Bad exit status")
+        endif()
+
+    - name: Build
+      shell: cmake -P {0}
+      run: |
+        if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
+          file(STRINGS environment_script_output.txt output_lines)
+          foreach(line IN LISTS output_lines)
+            if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
+              set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
+            endif()
+          endforeach()
+        endif()
+        execute_process(
+          COMMAND ${{ steps.cmake.outputs.cmake_binary }}
+            --build $ENV{GITHUB_WORKSPACE}/imgui-sfml/build
+            --config ${BUILD_TYPE}
+          RESULT_VARIABLE result
+        )
+        if (NOT result EQUAL 0)
+          message(FATAL_ERROR "Build: Bad exit status")
+        endif()
+        execute_process(COMMAND ${{ steps.ccache.outputs.ccache_binary }} -s)
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..bff39b1
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,734 @@
+language: cpp
+
+dist: bionic
+
+git:
+  depth: 1
+  submodules: true
+
+cache: ccache
+
+matrix:
+  include:
+# Linux
+## GCC
+### GCC 4.8
+    - name: Linux - GCC 4.8 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-4.8
+      env:
+        - COMPILER=g++-4.8
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 4.8 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-4.8
+      env:
+        - COMPILER=g++-4.8
+        - BUILD_TYPE=Release
+
+### GCC 5
+    - name: Linux - GCC 5 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-5
+      env:
+        - COMPILER=g++-5
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 5 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-5
+      env:
+        - COMPILER=g++-5
+        - BUILD_TYPE=Release
+
+### GCC 6
+    - name: Linux - GCC 6 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-6
+      env:
+        - COMPILER=g++-6
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 6 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-6
+      env:
+        - COMPILER=g++-6
+        - BUILD_TYPE=Release
+
+### GCC 7
+    - name: Linux - GCC 7 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-7
+      env:
+        - COMPILER=g++-7
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 7 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-7
+      env:
+        - COMPILER=g++-7
+        - BUILD_TYPE=Release
+
+### GCC 8
+    - name: Linux - GCC 8 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-8
+      env:
+        - COMPILER=g++-8
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 8 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-8
+      env:
+        - COMPILER=g++-8
+        - BUILD_TYPE=Release
+
+### GCC 9
+    - name: Linux - GCC 9 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-9
+      env:
+        - COMPILER=g++-9
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 9 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-9
+      env:
+        - COMPILER=g++-9
+        - BUILD_TYPE=Release
+
+### GCC 10
+    - name: Linux - GCC 10 - Debug
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-10
+      env:
+        - COMPILER=g++-10
+        - BUILD_TYPE=Debug
+
+    - name: Linux - GCC 10 - Release
+      os: linux
+      compiler: gcc
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-10
+      env:
+        - COMPILER=g++-10
+        - BUILD_TYPE=Release
+
+## Clang
+### Clang 3.9
+    - name: Linux - Clang 3.9 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-3.9
+          packages:
+            - clang-3.9
+            - g++-6
+      env:
+        - COMPILER=clang++-3.9
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 3.9 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-3.9
+          packages:
+            - clang-3.9
+            - g++-6
+      env:
+        - COMPILER=clang++-3.9
+        - BUILD_TYPE=Release
+
+### Clang 4
+    - name: Linux - Clang 4 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-4.0
+          packages:
+            - clang-4.0
+            - g++-6
+      env:
+        - COMPILER=clang++-4.0
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 4 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-4.0
+          packages:
+            - clang-4.0
+            - g++-6
+      env:
+        - COMPILER=clang++-4.0
+        - BUILD_TYPE=Release
+
+### Clang 5
+    - name: Linux - Clang 5 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-5.0
+          packages:
+            - clang-5.0
+            - g++-7
+      env:
+        - COMPILER=clang++-5.0
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 5 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-5.0
+          packages:
+            - clang-5.0
+            - g++-7
+      env:
+        - COMPILER=clang++-5.0
+        - BUILD_TYPE=Release
+
+### Clang 6
+    - name: Linux - Clang 6 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-6.0
+          packages:
+            - clang-6.0
+            - g++-7
+      env:
+        - COMPILER=clang++-6.0
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 6 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-6.0
+          packages:
+            - clang-6.0
+            - g++-7
+      env:
+        - COMPILER=clang++-6.0
+        - BUILD_TYPE=Release
+
+### Clang 7
+    - name: Linux - Clang 7 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-7
+          packages:
+            - clang-7
+            - g++-7
+      env:
+        - COMPILER=clang++-7
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 7 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-7
+          packages:
+            - clang-7
+            - g++-7
+      env:
+        - COMPILER=clang++-7
+        - BUILD_TYPE=Release
+
+### Clang 8
+    - name: Linux - Clang 8 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-8
+          packages:
+            - clang-8
+            - g++-8
+      env:
+        - COMPILER=clang++-8
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 8 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-8
+          packages:
+            - clang-8
+            - g++-8
+      env:
+        - COMPILER=clang++-8
+        - BUILD_TYPE=Release
+
+### Clang 9
+    - name: Linux - Clang 9 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-9
+          packages:
+            - clang-9
+            - g++-9
+      env:
+        - COMPILER=clang++-9
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 9 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-9
+          packages:
+            - clang-9
+            - g++-9
+      env:
+        - COMPILER=clang++-9
+        - BUILD_TYPE=Release
+
+### Clang 10
+    - name: Linux - Clang 10 - Debug
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-10
+          packages:
+            - clang-10
+            - g++-10
+      env:
+        - COMPILER=clang++-10
+        - BUILD_TYPE=Debug
+
+    - name: Linux - Clang 10 - Release
+      os: linux
+      compiler: clang
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-bionic-10
+          packages:
+            - clang-10
+            - g++-10
+      env:
+        - COMPILER=clang++-10
+        - BUILD_TYPE=Release
+
+# OSX
+## Xcode
+### Xcode 8.3
+    - name: OSX - Xcode 8.3 - Debug
+      os: osx
+      osx_image: xcode8.3
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 8.3 - Release
+      os: osx
+      osx_image: xcode8.3
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 9
+    - name: OSX - Xcode 9 - Debug
+      os: osx
+      osx_image: xcode9
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 9 - Release
+      os: osx
+      osx_image: xcode9
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 9.1
+    - name: OSX - Xcode 9.1 - Debug
+      os: osx
+      osx_image: xcode9.1
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 9.1 - Release
+      os: osx
+      osx_image: xcode9.1
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 9.2
+    - name: OSX - Xcode 9.2 - Debug
+      os: osx
+      osx_image: xcode9.2
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 9.2 - Release
+      os: osx
+      osx_image: xcode9.2
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 9.3
+    - name: OSX - Xcode 9.3 - Debug
+      os: osx
+      osx_image: xcode9.3
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 9.3 - Release
+      os: osx
+      osx_image: xcode9.3
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 9.4
+    - name: OSX - Xcode 9.4 - Debug
+      os: osx
+      osx_image: xcode9.4
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 9.4 - Release
+      os: osx
+      osx_image: xcode9.4
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 10
+    - name: OSX - Xcode 10 - Debug
+      os: osx
+      osx_image: xcode10
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 10 - Release
+      os: osx
+      osx_image: xcode10
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 10.1
+    - name: OSX - Xcode 10.1 - Debug
+      os: osx
+      osx_image: xcode10.1
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 10.1 - Release
+      os: osx
+      osx_image: xcode10.1
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 10.2
+    - name: OSX - Xcode 10.2 - Debug
+      os: osx
+      osx_image: xcode10.2
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 10.2 - Release
+      os: osx
+      osx_image: xcode10.2
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 10.3
+    - name: OSX - Xcode 10.3 - Debug
+      os: osx
+      osx_image: xcode10.3
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 10.3 - Release
+      os: osx
+      osx_image: xcode10.3
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11
+    - name: OSX - Xcode 11 - Debug
+      os: osx
+      osx_image: xcode11
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11 - Release
+      os: osx
+      osx_image: xcode11
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11.1
+    - name: OSX - Xcode 11.1 - Debug
+      os: osx
+      osx_image: xcode11.1
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11.1 - Release
+      os: osx
+      osx_image: xcode11.1
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11.2
+    - name: OSX - Xcode 11.2 - Debug
+      os: osx
+      osx_image: xcode11.2
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11.2 - Release
+      os: osx
+      osx_image: xcode11.2
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11.3
+    - name: OSX - Xcode 11.3 - Debug
+      os: osx
+      osx_image: xcode11.3
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11.3 - Release
+      os: osx
+      osx_image: xcode11.3
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11.4
+    - name: OSX - Xcode 11.4 - Debug
+      os: osx
+      osx_image: xcode11.4
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11.4 - Release
+      os: osx
+      osx_image: xcode11.4
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11.5
+    - name: OSX - Xcode 11.5 - Debug
+      os: osx
+      osx_image: xcode11.5
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11.5 - Release
+      os: osx
+      osx_image: xcode11.5
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 11.6
+    - name: OSX - Xcode 11.6 - Debug
+      os: osx
+      osx_image: xcode11.6
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 11.6 - Release
+      os: osx
+      osx_image: xcode11.6
+      env:
+        - BUILD_TYPE=Release
+
+### Xcode 12
+    - name: OSX - Xcode 12 - Debug
+      os: osx
+      osx_image: xcode12
+      env:
+        - BUILD_TYPE=Debug
+
+    - name: OSX - Xcode 12 - Release
+      os: osx
+      osx_image: xcode12
+      env:
+        - BUILD_TYPE=Release
+
+before_install:
+  # Variables
+  - if [[ "${COMPILER}" != "" ]]; then export CXX=${COMPILER}; fi
+  - if [[ "${BUILD_TYPE}" == "" ]]; then export BUILD_TYPE=Debug; fi
+
+install:
+  # Build and SFML dependencies
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+      brew update-reset
+      brew list git &>/dev/null || brew install git
+      brew list cmake &>/dev/null || brew install cmake
+      brew list ninja &>/dev/null || brew install ninja
+      brew list ccache &>/dev/null || brew install ccache
+    else
+      sudo apt-get -y install git cmake ninja-build ccache
+      sudo apt-get -y install libsfml-dev libudev-dev libopenal-dev libvorbis-dev libflac-dev libxrandr-dev freeglut3-dev libjpeg-dev libfreetype6-dev libxrandr-dev libglew-dev libsndfile1-dev libopenal-dev libfreetype6-dev
+    fi
+
+  # Info
+  - uname -a
+  - cmake --version
+  - ninja --version
+  - ${CXX} --version
+  - ccache -p
+  - ccache -z
+
+  # SFML
+  - git clone --recurse --depth 1 https://github.com/SFML/SFML $HOME/sfml_local
+  - cd $HOME/sfml_local
+  - mkdir cmake-build
+  - cd cmake-build
+  - mkdir $HOME/sfml_install
+  - cmake -G Ninja -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -D CMAKE_CONFIGURATION_TYPES=${BUILD_TYPE} -D CMAKE_BUILD_TYPE=${BUILD_TYPE} -D CMAKE_INSTALL_PREFIX=$HOME/sfml_install ..
+  - cmake --build . --config ${BUILD_TYPE} --target install
+
+  # Dear ImGui
+  - git clone --recurse --depth 1 https://github.com/ocornut/imgui $HOME/imgui_local
+
+script:
+  - cd $TRAVIS_BUILD_DIR
+  - mkdir cmake-build
+  - cd cmake-build
+  - cmake -G Ninja -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache -D CMAKE_CONFIGURATION_TYPES=${BUILD_TYPE} -D CMAKE_BUILD_TYPE=${BUILD_TYPE} -D CMAKE_PREFIX_PATH=$HOME/sfml_install -D SFML_DIR=$HOME/sfml_install -D IMGUI_DIR=$HOME/imgui_local -D BUILD_SHARED_LIBS=ON ..
+  - cmake --build . --config ${BUILD_TYPE}
+  - ccache -s