using R3d.Net.Types;
using Raylib_cs;
using System.Numerics;

namespace R3d.Net.Examples
{
    internal class Program
    {
        static void Main(string[] args)
        {
            // Initialize raylib window
            Raylib.InitWindow(800, 600, "R3D Example");

            // Initialize R3D Renderer with default settings
            R3d.Init(800, 600, 0);

            // Load a model to render
            // 'true' indicates that we upload immediately to the GPU
            var mesh = R3d.GenMeshSphere(1.0f, 16, 32, true);

            // Get a material with default values
            var material = R3d.GetDefaultMaterial();

            // Create a directional light
            // NOTE: The direction will be normalized
            var light = R3d.CreateLight(LightType.Directional);
            R3d.SetLightDirection(light, new Vector3(-1, -1, -1));
            R3d.SetLightActive(light, true);

            // Init a Camera3D
            var camera = new Camera3D
            {
                Position = new Vector3(-3, 3, 3),
                Target = Vector3.Zero,
                Up = Vector3.UnitY,
                FovY = 60.0f,
                Projection = CameraProjection.Perspective
            };

            // Main rendering loop
            while (!Raylib.WindowShouldClose())
            {
                Raylib.BeginDrawing();
                R3d.Begin(camera);
                R3d.DrawMesh(ref mesh, ref material, Raymath.MatrixIdentity());
                R3d.End();
                Raylib.EndDrawing();
            }

            // Close R3D renderer and raylib
            R3d.UnloadMesh(ref mesh);
            R3d.Close();
            Raylib.CloseWindow();
        }
    }
}