Function main

examples/models/models_first_person_maze.cpp:14–118

#include "raylib-cpp.hpp"

int main(void)
{
    // Initialization
    //--------------------------------------------------------------------------------------
    const int screenWidth = 800;
    const int screenHeight = 450;

    raylib::Window window(screenWidth, screenHeight, "raylib [models] example - first person maze");

    // Define the camera to look into our 3d world
    raylib::Camera camera({ 0.2f, 0.4f, 0.2f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f);

    raylib::Image imMap("resources/cubicmap.png");      // Load cubicmap image (RAM)
    raylib::Texture cubicmap(imMap);                    // Convert image to texture to display (VRAM)
    raylib::MeshUnmanaged mesh = raylib::MeshUnmanaged::Cubicmap(imMap, Vector3{ 1.0f, 1.0f, 1.0f });     // Use MeshUnmanaged, Mesh will be handled by Model
    raylib::Model model(mesh);

    // NOTE: By default each cube is mapped to one part of texture atlas
    raylib::Texture texture("resources/cubicmap_atlas.png");    // Load map texture
    model.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = texture;     // Set map diffuse texture

    // Get map image data to be used for collision detection
    Color *mapPixels = imMap.LoadColors();

    imMap.Unload();                   // Unload image from RAM

    raylib::Vector3 mapPosition(-16.0f, 0.0f, -8.0f);   // Set model position
    raylib::Vector3 playerPosition(camera.position);    // Set player position

    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
        //----------------------------------------------------------------------------------
        raylib::Vector3 oldCamPos(camera.position);    // Store old camera position

        camera.Update(CAMERA_FIRST_PERSON);        // Update camera

        // Check player collision (we simplify to 2D collision detection)
        raylib::Vector2 playerPos(camera.position.x, camera.position.z);
        float playerRadius = 0.1f;  // Collision radius (player is modelled as a cilinder for collision)

        int playerCellX = static_cast<int>(playerPos.x - mapPosition.x + 0.5f);
        int playerCellY = static_cast<int>(playerPos.y - mapPosition.z + 0.5f);

        // Out-of-limits security check
        if (playerCellX < 0) playerCellX = 0;
        else if (playerCellX >= cubicmap.width) playerCellX = cubicmap.width - 1;

        if (playerCellY < 0) playerCellY = 0;
        else if (playerCellY >= cubicmap.height) playerCellY = cubicmap.height - 1;

        // Check map collisions using image data and player position
        // TODO: Improvement: Just check player surrounding cells for collision
        for (int y = 0; y < cubicmap.height; y++)
        {