actually add vendor folder

vendor/raylib-cpp/examples/core/core_basic_window.cpp

@@ -0,0 +1,54 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Basic window
+*
+*   Welcome to raylib!
+*
+*   To test examples, just press F6 and execute raylib_compile_execute script
+*   Note that compiled executable is placed in the same folder as .c file
+*
+*   You can find all basic examples on C:\raylib\raylib\examples folder or
+*   raylib official webpage: www.raylib.com
+*
+*   Enjoy using raylib. :)
+*
+*   This example has been created using raylib 1.0 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2014 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+int main() {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+    raylib::Color textColor = raylib::Color::LightGray();
+    raylib::Window window(screenWidth, screenHeight, "raylib [core] example - basic window");
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose()) {   // Detect window close button or ESC key
+        // Update
+        //----------------------------------------------------------------------------------
+        // Update your variables here
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        {
+            window.ClearBackground(RAYWHITE);
+            textColor.DrawText("Congrats! You created your first window!", 190, 200, 20);
+        }
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    return 0;
+}

vendor/raylib-cpp/examples/core/core_basic_window_web.cpp

@@ -0,0 +1,78 @@
+/*******************************************************************************************
+*
+*   raylib-cpp [core] example - Basic window (adapted for HTML5 platform)
+*
+*   This example is prepared to compile for PLATFORM_WEB, PLATFORM_DESKTOP and PLATFORM_RPI
+*   As you will notice, code structure is slightly diferent to the other examples...
+*   To compile it for PLATFORM_WEB just uncomment #define PLATFORM_WEB at beginning
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+#if defined(PLATFORM_WEB)
+    #include <emscripten/emscripten.h>
+#endif
+
+//----------------------------------------------------------------------------------
+// Global Variables Definition
+//----------------------------------------------------------------------------------
+int screenWidth = 800;
+int screenHeight = 450;
+
+//----------------------------------------------------------------------------------
+// Module Functions Declaration
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void);     // Update and Draw one frame
+
+//----------------------------------------------------------------------------------
+// Main Enry Point
+//----------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    raylib::Window window(screenWidth, screenHeight, "raylib-cpp [core] example - basic window");
+
+#if defined(PLATFORM_WEB)
+    emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
+#else
+    SetTargetFPS(60);   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose())    // Detect window close button or ESC key
+    {
+        UpdateDrawFrame();
+    }
+#endif
+
+    return 0;
+}
+
+//----------------------------------------------------------------------------------
+// Module Functions Definition
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void)
+{
+    // Update
+    //----------------------------------------------------------------------------------
+    // TODO: Update your variables here
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    BeginDrawing();
+
+        ClearBackground(RAYWHITE);
+
+        raylib::DrawText("Congrats! You created your first raylib-cpp window!", 190, 200, 20, LIGHTGRAY);
+
+    EndDrawing();
+    //----------------------------------------------------------------------------------
+}

vendor/raylib-cpp/examples/core/core_drop_files.cpp

@@ -0,0 +1,69 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Windows drop files
+*
+*   This example only works on platforms that support drag & drop (Windows, Linux, OSX, Html5?)
+*
+*   This example has been created using raylib-cpp (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2020 Rob Loach (@RobLoach)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+int main() {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    raylib::Window window(screenWidth, screenHeight, "raylib [core] example - drop files");
+
+    std::vector<std::string> droppedFiles;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose()) {    // Detect window close button or ESC key
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsFileDropped()) {
+            droppedFiles = raylib::LoadDroppedFiles();
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        {
+            window.ClearBackground(RAYWHITE);
+
+            // Check if there are files to process.
+            if (droppedFiles.empty()) {
+                raylib::DrawText("Drop your files to this window!", 100, 40, 20, DARKGRAY);
+            } else {
+                raylib::DrawText("Dropped files:", 100, 40, 20, DARKGRAY);
+
+                // Iterate through all the dropped files.
+                for (int i = 0; i < droppedFiles.size(); i++) {
+                    if (i % 2 == 0)
+                        DrawRectangle(0, 85 + 40*i, screenWidth, 40, Fade(LIGHTGRAY, 0.5f));
+                    else
+                        DrawRectangle(0, 85 + 40*i, screenWidth, 40, Fade(LIGHTGRAY, 0.3f));
+
+                    // Display the path to the dropped file.
+                    raylib::DrawText(droppedFiles[i].c_str(), 120, 100 + 40 * i, 10, GRAY);
+                }
+
+                raylib::DrawText("Drop new files...", 100, 110 + 40 * droppedFiles.size(), 20, DARKGRAY);
+            }
+        }
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    return 0;
+}

vendor/raylib-cpp/examples/core/core_input_mouse.cpp

@@ -0,0 +1,55 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Mouse input
+*
+*   This example has been created using raylib 1.0 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2014 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+int main() {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    raylib::Window window(screenWidth, screenHeight, "raylib [core] example - mouse input");
+
+    raylib::Vector2 ballPosition(-100.0f, -100.0f);
+    raylib::Color ballColor = raylib::Color::DarkBlue();
+    raylib::Color textColor = raylib::Color::DarkGray();
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //---------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose()) {    // Detect window close button or ESC key
+        // Update
+        //----------------------------------------------------------------------------------
+        ballPosition = GetMousePosition();
+
+        if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) ballColor = MAROON;
+        else if (IsMouseButtonPressed(MOUSE_MIDDLE_BUTTON)) ballColor = LIME;
+        else if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON)) ballColor = DARKBLUE;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        {
+            window.ClearBackground(RAYWHITE);
+
+            ballPosition.DrawCircle(40, ballColor);
+
+            textColor.DrawText("move ball with mouse and click mouse button to change color", 10, 10, 20);
+        }
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    return 0;
+}

vendor/raylib-cpp/examples/core/core_loading_thread.cpp

@@ -0,0 +1,150 @@
+/*******************************************************************************
+*
+*   raylib example - loading thread
+*
+*   This example has been created using raylib-cpp (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license
+*   (View raylib.h for details)
+*
+*   Copyright (c) 2014-2019 Ramon Santamaria (@raysan5)
+*   Copyright (c) 2021 Paul Keir (University of the West of Scotland)
+*
+*******************************************************************************/
+
+#include <thread>                           // C++11 standard library threads
+#include <atomic>                           // C++ atomic data types
+#include <chrono>                           // For: chrono::steady_clock::now()
+#include <system_error>                     // May be thrown by thread c'tor
+
+#include "raylib-cpp.hpp"
+
+// Using C++ std::atomic_bool (aka. std::atomic<bool>) for synchronization.
+// n.b. A plain built-in type can't be used for inter-thread synchronization
+std::atomic_bool dataLoaded{false};
+static void LoadDataThread();     // Loading data thread function declaration
+static int dataProgress = 0;      // Data progress accumulator
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    raylib::Window window(screenWidth, screenHeight,
+                          "raylib [core] example - loading thread");
+
+    std::thread threadId;         // Loading data thread id
+
+    enum { STATE_WAITING, STATE_LOADING, STATE_FINISHED } state = STATE_WAITING;
+    int framesCounter = 0;
+
+    SetTargetFPS(60);             // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose()) {    // Detect window close button or ESC key
+        // Update
+        //----------------------------------------------------------------------
+        switch (state)
+        {
+            case STATE_WAITING:
+                if (IsKeyPressed(KEY_ENTER))
+                {
+                    try {
+                        threadId = std::thread(LoadDataThread);
+                        TraceLog(LOG_INFO,
+                            "Loading thread initialized successfully");
+                    } catch (std::system_error e) {
+                        TraceLog(LOG_ERROR, "Error: %s", e.what());
+                    }
+
+                    state = STATE_LOADING;
+                }
+                break;
+
+            case STATE_LOADING:
+                framesCounter++;
+                if (dataLoaded.load())
+                {
+                    framesCounter = 0;
+                    state = STATE_FINISHED;
+                }
+                break;
+
+            case STATE_FINISHED:
+                if (IsKeyPressed(KEY_ENTER))
+                {
+                    // Reset everything to launch again
+                    dataLoaded = false;
+                    dataProgress = 0;
+                    state = STATE_WAITING;
+                }
+                break;
+
+            default:
+              break;
+        }
+        //----------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------
+        BeginDrawing();
+        {
+
+            window.ClearBackground(RAYWHITE);
+
+            switch (state)
+            {
+                case STATE_WAITING:
+                    raylib::DrawText("PRESS ENTER to START LOADING DATA",
+                              150, 170, 20, DARKGRAY);
+                    break;
+
+                case STATE_LOADING:
+                    DrawRectangle(150, 200, dataProgress, 60, SKYBLUE);
+                    if ((framesCounter/15)%2)
+                        raylib::DrawText("LOADING DATA...", 240, 210, 40, DARKBLUE);
+                    break;
+
+                case STATE_FINISHED:
+                    DrawRectangle(150, 200, 500, 60, LIME);
+                    raylib::DrawText("DATA LOADED!", 250, 210, 40, GREEN);
+                    break;
+            }
+
+            DrawRectangleLines(150, 200, 500, 60, DARKGRAY);
+        }
+
+        EndDrawing();
+        //----------------------------------------------------------------------
+    }
+
+    if (threadId.joinable()) // The user might quit without creating a thread.
+      threadId.join();       // Good etiquette, but may take a second.
+
+    return 0;
+}
+
+// Loading data thread function definition
+static void LoadDataThread()
+{
+    using namespace std::chrono;
+    int timeCounter = 0;            // Time counted in ms
+
+    auto prevTime = steady_clock::now();
+
+    // We simulate data loading with a time counter for 5 seconds
+    while (timeCounter < 5000)
+    {
+        auto currentTime = steady_clock::now() - prevTime;
+        timeCounter = duration_cast<milliseconds>(currentTime).count();
+
+        // We accumulate time over a global variable to be used in
+        // main thread as a progress bar
+        dataProgress = timeCounter/10;
+    }
+
+    // When data has finished loading, we set global variable
+    dataLoaded = true;
+}

vendor/raylib-cpp/examples/core/core_random_values.cpp

@@ -0,0 +1,57 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - Generate random values
+*
+*   This example has been created using raylib 1.1 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2014 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+int main() {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    raylib::Window window(screenWidth, screenHeight, "raylib [core] example - generate random values");
+
+    int framesCounter = 0;          // Variable used to count frames
+
+    int randValue = GetRandomValue(-8, 5);   // Get a random integer number between -8 and 5 (both included)
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose()) {    // Detect window close button or ESC key
+        // Update
+        //----------------------------------------------------------------------------------
+        framesCounter++;
+
+        // Every two seconds (120 frames) a new random value is generated
+        if (((framesCounter / 120) % 2) == 1) {
+            randValue = GetRandomValue(-8, 5);
+            framesCounter = 0;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        {
+            window.ClearBackground(RAYWHITE);
+
+            raylib::DrawText("Every 2 seconds a new random value is generated:", 130, 100, 20, MAROON);
+
+            raylib::DrawText(TextFormat("%i", randValue), 360, 180, 80, LIGHTGRAY);
+        }
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    return 0;
+}

vendor/raylib-cpp/examples/core/core_window_letterbox.cpp

@@ -0,0 +1,108 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - window scale letterbox (and virtual mouse)
+*
+*   Example originally created with raylib 2.5, last time updated with raylib 4.0
+*
+*   Example contributed by Anata (@anatagawa) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+*   BSD-like license that allows static linking with closed source software
+*
+*   Copyright (c) 2019-2023 Anata (@anatagawa) and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+#include "raymath.hpp"        // Required for: Vector2Clamp()
+
+#define MAX(a, b) ((a)>(b)? (a) : (b))
+#define MIN(a, b) ((a)<(b)? (a) : (b))
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    const int windowWidth = 800;
+    const int windowHeight = 450;
+
+    // Enable config flags for resizable window and vertical synchro
+    raylib::Window window(windowWidth, windowHeight,
+        "raylib [core] example - window scale letterbox",
+        FLAG_WINDOW_RESIZABLE | FLAG_VSYNC_HINT);
+    window.SetMinSize(320, 240);
+
+    int gameScreenWidth = 640;
+    int gameScreenHeight = 480;
+
+    // Render texture initialization, used to hold the rendering result so we can easily resize it
+    raylib::RenderTexture2D target(gameScreenWidth, gameScreenHeight);
+    target.GetTexture().SetFilter(TEXTURE_FILTER_BILINEAR); // Texture scale filter to use
+
+    raylib::Color colors[10] = { 0 };
+    for (int i = 0; i < 10; i++) {
+        colors[i] = raylib::Color((unsigned char)GetRandomValue(100, 250), (unsigned char)GetRandomValue(50, 150), (unsigned char)GetRandomValue(10, 100), 255);
+    }
+
+    window.SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose())        // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Compute required framebuffer scaling
+        float scale = MIN((float)GetScreenWidth()/gameScreenWidth, (float)GetScreenHeight()/gameScreenHeight);
+
+        if (IsKeyPressed(KEY_SPACE))
+        {
+            // Recalculate random colors for the bars
+            for (int i = 0; i < 10; i++) colors[i] = (Color){ (unsigned char)GetRandomValue(100, 250), (unsigned char)GetRandomValue(50, 150), (unsigned char)GetRandomValue(10, 100), 255 };
+        }
+
+        // Update virtual mouse (clamped mouse value behind game screen)
+        raylib::Vector2 mouse = raylib::Mouse::GetPosition();
+        raylib::Vector2 virtualMouse(
+            (mouse.x - (GetScreenWidth() - (gameScreenWidth*scale))*0.5f)/scale,
+            (mouse.y - (GetScreenHeight() - (gameScreenHeight*scale))*0.5f)/scale
+        );
+        virtualMouse = virtualMouse.Clamp(raylib::Vector2::Zero(), raylib::Vector2(gameScreenWidth, gameScreenHeight));
+
+        // Apply the same transformation as the virtual mouse to the real mouse (i.e. to work with raygui)
+        //SetMouseOffset(-(GetScreenWidth() - (gameScreenWidth*scale))*0.5f, -(GetScreenHeight() - (gameScreenHeight*scale))*0.5f);
+        //SetMouseScale(1/scale, 1/scale);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        // Draw everything in the render texture, note this will not be rendered on screen, yet
+        target.BeginMode();
+            ClearBackground(RAYWHITE);  // Clear render texture background color
+
+            for (int i = 0; i < 10; i++) DrawRectangle(0, (gameScreenHeight/10)*i, gameScreenWidth, gameScreenHeight/10, colors[i]);
+
+            DrawText("If executed inside a window,\nyou can resize the window,\nand see the screen scaling!", 10, 25, 20, WHITE);
+            DrawText(TextFormat("Default Mouse: [%i , %i]", (int)mouse.x, (int)mouse.y), 350, 25, 20, GREEN);
+            DrawText(TextFormat("Virtual Mouse: [%i , %i]", (int)virtualMouse.x, (int)virtualMouse.y), 350, 55, 20, YELLOW);
+        target.EndMode();
+
+        BeginDrawing();
+            ClearBackground(BLACK);     // Clear screen background
+
+            // Draw render texture to screen, properly scaled
+            target.GetTexture().Draw(raylib::Rectangle(0.0f, 0.0f, target.texture.width, -target.texture.height),
+                raylib::Rectangle(
+                    (GetScreenWidth() - (gameScreenWidth*scale))*0.5f,
+                    (GetScreenHeight() - (gameScreenHeight*scale))*0.5f,
+                    gameScreenWidth*scale, gameScreenHeight*scale
+                ),
+                raylib::Vector2::Zero(), 0.0f, WHITE);
+        EndDrawing();
+        //--------------------------------------------------------------------------------------
+    }
+
+    return 0;
+}

vendor/raylib-cpp/examples/core/core_world_screen.cpp

@@ -0,0 +1,74 @@
+/*******************************************************************************************
+*
+*   raylib [core] example - World to screen
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib-cpp.hpp"
+
+int main() {
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    raylib::Window window(screenWidth, screenHeight, "raylib [core] example - 3d camera free");
+
+    // Define the camera to look into our 3d world
+    raylib::Camera camera(
+        raylib::Vector3(10.0f, 10.0f, 10.0f),
+        raylib::Vector3(),
+        raylib::Vector3(0.0f, 1.0f, 0.0f),
+        45.0f,
+        CAMERA_PERSPECTIVE);
+
+    Vector3 cubePosition;
+    Vector2 cubeScreenPosition;
+
+    SetTargetFPS(60);                   // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!window.ShouldClose()) {     // Detect window close button or ESC key
+        // Update
+        //----------------------------------------------------------------------------------
+        camera.Update(CAMERA_THIRD_PERSON);                // Update camera
+
+        // Calculate cube screen space position (with a little offset to be in top)
+        cubeScreenPosition = GetWorldToScreen(Vector3{cubePosition.x, cubePosition.y + 2.5f, cubePosition.z}, camera);
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        {
+            window.ClearBackground(RAYWHITE);
+
+            camera.BeginMode();
+            {
+                DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
+                DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
+
+                DrawGrid(10, 1.0f);
+            }
+            camera.EndMode();
+
+            raylib::DrawText("Enemy: 100 / 100",
+                cubeScreenPosition.x - MeasureText("Enemy: 100/100", 20) / 2,
+                cubeScreenPosition.y, 20,
+                BLACK);
+            raylib::DrawText("Text is always on top of the cube",
+                (screenWidth - MeasureText("Text is always on top of the cube", 20)) / 2,
+                25, 20, GRAY);
+        }
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    return 0;
+}

vendor/raylib-cpp/examples/core/resources/LICENSE

@@ -0,0 +1,4 @@
+| resource      | author      | licence | notes |
+| :------------ | :---------: | :------ | :---- |
+| ps3.png       | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |
+| xbox.png      | [@raysan5](https://github.com/raysan5) | [CC0](https://creativecommons.org/publicdomain/zero/1.0/) | - |

vendor/raylib-cpp/examples/core/resources/core_basic_window_web.html

@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>raylib-cpp [core] example - basic window</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+
+        <meta name="title" content="raylib-cpp [core] example - basic window">
+        <meta name="description" content="raylib is a simple and easy-to-use library to enjoy videogames programming. This a small example of what you can do.">
+        <meta name="viewport" content="width=device-width">
+        <style>
+            body {
+                position: fixed;
+                top: 0;
+                right: 0;
+                bottom: 0;
+                left: 0;
+                margin: 0;
+                padding: 0;
+                background-color: black;
+                display: flex;
+                justify-content: center;
+                align-items: center;
+            }
+            body canvas {
+                object-fit: contain;
+                max-height: 100%;
+                max-width: 100%;
+            }
+        </style>
+        <script type='text/javascript' src="https://cdn.jsdelivr.net/gh/eligrey/FileSaver.js/dist/FileSaver.min.js"> </script>
+        <script type='text/javascript'>
+            function saveFileFromMEMFSToDisk(memoryFSname, localFSname) {
+                var isSafari = false;
+                var data = FS.readFile(memoryFSname);
+                var blob;
+                if (isSafari) blob = new Blob([data.buffer], { type: "application/octet-stream" });
+                else blob = new Blob([data.buffer], { type: "application/octet-binary" });
+                saveAs(blob, localFSname);
+            }
+        </script>
+    </head>
+
+    <body>
+        <canvas id="canvas" width="800" height="450"></canvas>
+
+        <script>
+			var Module = {
+				print: console.log,
+				printErr: console.error,
+				canvas: (function() {
+					return document.getElementById('canvas');
+				})()
+            }
+        </script>
+        <script type="text/javascript" src="../core_basic_window_web.js"></script>
+    </body>
+</html>

vendor/raylib-cpp/examples/core/resources/distortion100.fs

@@ -0,0 +1,52 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// NOTE: Add here your custom variables
+uniform vec2 leftLensCenter;
+uniform vec2 rightLensCenter;
+uniform vec2 leftScreenCenter;
+uniform vec2 rightScreenCenter;
+uniform vec2 scale;
+uniform vec2 scaleIn;
+uniform vec4 hmdWarpParam;
+uniform vec4 chromaAbParam;
+
+void main()
+{
+    // Compute lens distortion
+    vec2 lensCenter = fragTexCoord.x < 0.5? leftLensCenter : rightLensCenter;
+    vec2 screenCenter = fragTexCoord.x < 0.5? leftScreenCenter : rightScreenCenter;
+    vec2 theta = (fragTexCoord - lensCenter)*scaleIn;
+    float rSq = theta.x*theta.x + theta.y*theta.y;
+    vec2 theta1 = theta*(hmdWarpParam.x + hmdWarpParam.y*rSq + hmdWarpParam.z*rSq*rSq + hmdWarpParam.w*rSq*rSq*rSq);
+    vec2 thetaBlue = theta1*(chromaAbParam.z + chromaAbParam.w*rSq);
+    vec2 tcBlue = lensCenter + scale*thetaBlue;
+
+    if (any(bvec2(clamp(tcBlue, screenCenter - vec2(0.25, 0.5), screenCenter + vec2(0.25, 0.5)) - tcBlue)))
+    {
+        // Set black fragment for everything outside the lens border
+        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
+    }
+    else
+    {
+        // Compute color chroma aberration
+        float blue = texture2D(texture0, tcBlue).b;
+        vec2 tcGreen = lensCenter + scale*theta1;
+        float green = texture2D(texture0, tcGreen).g;
+
+        vec2 thetaRed = theta1*(chromaAbParam.x + chromaAbParam.y*rSq);
+        vec2 tcRed = lensCenter + scale*thetaRed;
+
+        float red = texture2D(texture0, tcRed).r;
+        gl_FragColor = vec4(red, green, blue, 1.0);
+    }
+}

vendor/raylib-cpp/examples/core/resources/distortion330.fs

@@ -0,0 +1,53 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec2 fragTexCoord;
+in vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// Output fragment color
+out vec4 finalColor;
+
+// NOTE: Add here your custom variables
+uniform vec2 leftLensCenter = vec2(0.288, 0.5);
+uniform vec2 rightLensCenter = vec2(0.712, 0.5);
+uniform vec2 leftScreenCenter = vec2(0.25, 0.5);
+uniform vec2 rightScreenCenter = vec2(0.75, 0.5);
+uniform vec2 scale = vec2(0.25, 0.45);
+uniform vec2 scaleIn = vec2(4, 2.2222);
+uniform vec4 hmdWarpParam = vec4(1, 0.22, 0.24, 0);
+uniform vec4 chromaAbParam = vec4(0.996, -0.004, 1.014, 0.0);
+
+void main()
+{
+    // Compute lens distortion
+    vec2 lensCenter = fragTexCoord.x < 0.5? leftLensCenter : rightLensCenter;
+    vec2 screenCenter = fragTexCoord.x < 0.5? leftScreenCenter : rightScreenCenter;
+    vec2 theta = (fragTexCoord - lensCenter)*scaleIn;
+    float rSq = theta.x*theta.x + theta.y*theta.y;
+    vec2 theta1 = theta*(hmdWarpParam.x + hmdWarpParam.y*rSq + hmdWarpParam.z*rSq*rSq + hmdWarpParam.w*rSq*rSq*rSq);
+    vec2 thetaBlue = theta1*(chromaAbParam.z + chromaAbParam.w*rSq);
+    vec2 tcBlue = lensCenter + scale*thetaBlue;
+
+    if (any(bvec2(clamp(tcBlue, screenCenter - vec2(0.25, 0.5), screenCenter + vec2(0.25, 0.5)) - tcBlue)))
+    {
+        // Set black fragment for everything outside the lens border
+        finalColor = vec4(0.0, 0.0, 0.0, 1.0);
+    }
+    else
+    {
+        // Compute color chroma aberration
+        float blue = texture(texture0, tcBlue).b;
+        vec2 tcGreen = lensCenter + scale*theta1;
+        float green = texture(texture0, tcGreen).g;
+
+        vec2 thetaRed = theta1*(chromaAbParam.x + chromaAbParam.y*rSq);
+        vec2 tcRed = lensCenter + scale*thetaRed;
+
+        float red = texture(texture0, tcRed).r;
+        finalColor = vec4(red, green, blue, 1.0);
+    }
+}