Update/merge examples back into main repo (#192)

2025-07-02 19:13:43 -04:00 · 2023-08-25 08:08:32 +01:00
parent fa682b00ac
commit bcdf8cec5b
320 changed files with 57965 additions and 1 deletions
--- a/Examples/Models/SkyboxDemo.cs
+++ b/Examples/Models/SkyboxDemo.cs
@ -0,0 +1,138 @@
+/*******************************************************************************************
+*
+*   raylib [models] example - Skybox loading and drawing
+*
+*   This example has been created using raylib 1.8 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2017 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+using System.Numerics;
+using static Raylib_cs.Raylib;
+
+namespace Examples.Models;
+
+public class SkyboxDemo
+{
+    public static int Main()
+    {
+        // Initialization
+        //--------------------------------------------------------------------------------------
+        const int screenWidth = 800;
+        const int screenHeight = 450;
+
+        InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox loading and drawing");
+
+        // Define the camera to look into our 3d world
+        Camera3D camera = new();
+        camera.Position = new Vector3(1.0f, 1.0f, 1.0f);
+        camera.Target = new Vector3(4.0f, 1.0f, 4.0f);
+        camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
+        camera.FovY = 45.0f;
+        camera.Projection = CameraProjection.CAMERA_PERSPECTIVE;
+
+        // Load skybox model
+        Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
+        Model skybox = LoadModelFromMesh(cube);
+
+        // Load skybox shader and set required locations
+        // NOTE: Some locations are automatically set at shader loading
+        Shader shader = LoadShader("resources/shaders/glsl330/skybox.vs", "resources/shaders/glsl330/skybox.fs");
+        Raylib.SetMaterialShader(ref skybox, 0, ref shader);
+        Raylib.SetShaderValue(
+            shader,
+            GetShaderLocation(shader, "environmentMap"),
+            (int)MaterialMapIndex.MATERIAL_MAP_CUBEMAP,
+            ShaderUniformDataType.SHADER_UNIFORM_INT
+        );
+        Raylib.SetShaderValue(
+            shader,
+            GetShaderLocation(shader, "vflipped"),
+            1,
+            ShaderUniformDataType.SHADER_UNIFORM_INT
+        );
+
+        // Load cubemap shader and setup required shader locations
+        Shader shdrCubemap = LoadShader(
+            "resources/shaders/glsl330/cubemap.vs",
+            "resources/shaders/glsl330/cubemap.fs"
+        );
+        Raylib.SetShaderValue(
+            shdrCubemap,
+            GetShaderLocation(shdrCubemap, "equirectangularMap"),
+            0,
+            ShaderUniformDataType.SHADER_UNIFORM_INT
+        );
+
+        // Load HDR panorama (sphere) texture
+        string panoFileName = "resources/dresden_square_2k.hdr";
+        Texture2D panorama = LoadTexture(panoFileName);
+
+        // Generate cubemap (texture with 6 quads-cube-mapping) from panorama HDR texture
+        // NOTE: New texture is generated rendering to texture, shader computes the sphre->cube coordinates mapping
+        // Texture2D cubemap = PBR.GenTextureCubemap(shdrCubemap, panorama, 1024, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+        // Raylib.SetMaterialTexture(ref skybox, 0, MaterialMapIndex.MATERIAL_MAP_CUBEMAP, ref cubemap);
+        // Texture not required anymore, cubemap already generated
+        UnloadTexture(panorama);
+
+        SetTargetFPS(60);
+        //--------------------------------------------------------------------------------------
+
+        // Main game loop
+        while (!WindowShouldClose())
+        {
+            // Update
+            //----------------------------------------------------------------------------------
+            UpdateCamera(ref camera, CameraMode.CAMERA_FIRST_PERSON);
+
+            // Load new cubemap texture on drag & drop
+            if (IsFileDropped())
+            {
+                string[] files = Raylib.GetDroppedFiles();
+
+                if (files.Length == 1)
+                {
+                    if (IsFileExtension(files[0], ".png;.jpg;.hdr;.bmp;.tga"))
+                    {
+                        // Unload cubemap texture and load new one
+                        UnloadTexture(Raylib.GetMaterialTexture(ref skybox, 0, MaterialMapIndex.MATERIAL_MAP_CUBEMAP));
+                        panorama = LoadTexture(files[0]);
+                        panoFileName = files[0];
+
+                        // Generate cubemap from panorama texture
+                        // cubemap = PBR.GenTextureCubemap(shdrCubemap, panorama, 1024, PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+                        // Raylib.SetMaterialTexture(ref skybox, 0, MaterialMapIndex.MATERIAL_MAP_CUBEMAP, ref cubemap);
+                        UnloadTexture(panorama);
+                    }
+                }
+            }
+            //----------------------------------------------------------------------------------
+
+            // Draw
+            //----------------------------------------------------------------------------------
+            BeginDrawing();
+            ClearBackground(Color.RAYWHITE);
+
+            BeginMode3D(camera);
+            DrawModel(skybox, new Vector3(0, 0, 0), 1.0f, Color.WHITE);
+            DrawGrid(10, 1.0f);
+            EndMode3D();
+
+            DrawFPS(10, 10);
+            EndDrawing();
+            //----------------------------------------------------------------------------------
+        }
+
+        // De-Initialization
+        //--------------------------------------------------------------------------------------
+        UnloadModel(skybox);
+
+        CloseWindow();
+        //--------------------------------------------------------------------------------------
+
+        return 0;
+    }
+}
+