chore: clean recommit
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tiger tiger tiger
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6bb62d9932
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8739e3b347
134 changed files with 15442 additions and 10648 deletions
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@ -1,32 +1,49 @@
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/*******************************************************************************************
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*
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* raylib [models] example - Skybox loading and drawing
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* raylib [models] example - skybox rendering
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*
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* This example has been created using raylib 1.8 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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* Example complexity rating: [★★☆☆] 2/4
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*
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* Copyright (c) 2017 Ramon Santamaria (@raysan5)
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* Example originally created with raylib 1.8, last time updated with raylib 4.0
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2017-2025 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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using System;
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using System.Numerics;
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using static Raylib_cs.Raylib;
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namespace Examples.Models;
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public class SkyboxDemo
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public partial class SkyboxDemo : IExample
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{
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public static int Main()
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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// GLSL version used for shaders (330 desktop, 100 web/GLES)
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public const int GlslVersion = 330;
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public string Name => "Models / Skybox Demo";
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public string Title => "raylib [models] example - skybox rendering";
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public bool CursorDisabled => true;
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private Camera3D camera;
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private Model skybox;
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private bool useHdr;
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private Shader shdrCubemap;
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private string skyboxFileName;
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private Texture2D panorama;
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public void Init()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox loading and drawing");
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// Define the camera to look into our 3d world
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Camera3D camera = new();
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camera = new();
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camera.Position = new Vector3(1.0f, 1.0f, 1.0f);
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camera.Target = new Vector3(4.0f, 1.0f, 4.0f);
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camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
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@ -34,14 +51,19 @@ public class SkyboxDemo
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camera.Projection = CameraProjection.Perspective;
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// Load skybox model
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Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
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Model skybox = LoadModelFromMesh(cube);
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var cube = GenMeshCube(1.0f, 1.0f, 1.0f);
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skybox = LoadModelFromMesh(cube);
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bool useHdr = false;
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// Set this to true to use an HDR Texture
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// NOTE: raylib must be built with HDR Support for this to work: SUPPORT_FILEFORMAT_HDR
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useHdr = false;
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// Load skybox shader and set required locations
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// NOTE: Some locations are automatically set at shader loading
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Shader shdrSkybox = LoadShader("resources/shaders/glsl330/skybox.vs", "resources/shaders/glsl330/skybox.fs");
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var shdrSkybox = LoadShader(
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$"resources/shaders/glsl{GlslVersion}/skybox.vs",
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$"resources/shaders/glsl{GlslVersion}/skybox.fs"
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);
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Raylib.SetShaderValue(
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shdrSkybox,
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@ -67,9 +89,9 @@ public class SkyboxDemo
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Raylib.SetMaterialShader(ref skybox, 0, ref shdrSkybox);
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// Load cubemap shader and setup required shader locations
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Shader shdrCubemap = LoadShader(
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"resources/shaders/glsl330/cubemap.vs",
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"resources/shaders/glsl330/cubemap.fs"
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shdrCubemap = LoadShader(
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$"resources/shaders/glsl{GlslVersion}/cubemap.vs",
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$"resources/shaders/glsl{GlslVersion}/cubemap.fs"
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);
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Raylib.SetShaderValue(
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shdrCubemap,
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@ -79,14 +101,12 @@ public class SkyboxDemo
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);
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// Load skybox
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string skyboxFileName = "resources/dresden_square_2k.hdr";
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Texture2D panorama;
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skyboxFileName = "resources/dresden_square_2k.hdr";
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if (useHdr)
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{
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panorama = LoadTexture(skyboxFileName);
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Texture2D cubemap = GenTextureCubemap(
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var cubemap = GenTextureCubemap(
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shdrCubemap,
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panorama,
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1024,
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@ -97,108 +117,130 @@ public class SkyboxDemo
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}
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else
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{
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Image img = LoadImage("resources/skybox.png");
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Texture2D cubemap = LoadTextureCubemap(img, CubemapLayout.AutoDetect);
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// TODO: WARNING: On PLATFORM_WEB it requires a big amount of memory to process input image
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// and generate the required cubemap image to be passed to rlLoadTextureCubemap()
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var img = LoadImage("resources/skybox.png");
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var cubemap = LoadTextureCubemap(img, CubemapLayout.AutoDetect);
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SetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap, ref cubemap);
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UnloadImage(img);
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}
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}
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DisableCursor();
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateCamera(ref camera, CameraMode.FirstPerson);
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SetTargetFPS(60);
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose())
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// Load new cubemap texture on drag & drop
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if (IsFileDropped())
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateCamera(ref camera, CameraMode.FirstPerson);
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var files = Raylib.GetDroppedFiles();
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// Load new cubemap texture on drag & drop
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if (IsFileDropped())
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if (files.Length == 1)
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{
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string[] files = Raylib.GetDroppedFiles();
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if (files.Length == 1)
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if (IsFileExtension(files[0], ".png;.jpg;.hdr;.bmp;.tga"))
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{
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if (IsFileExtension(files[0], ".png;.jpg;.hdr;.bmp;.tga"))
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// Unload cubemap texture and load new one
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UnloadTexture(Raylib.GetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap));
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if (useHdr)
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{
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// Unload cubemap texture and load new one
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UnloadTexture(Raylib.GetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap));
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if (useHdr)
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{
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panorama = LoadTexture(files[0]);
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Texture2D cubemap = GenTextureCubemap(
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shdrCubemap,
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panorama,
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1024,
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PixelFormat.UncompressedR8G8B8A8
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);
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SetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap, ref cubemap);
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UnloadTexture(panorama);
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}
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else
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{
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Image img = LoadImage(files[0]);
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Texture2D cubemap = LoadTextureCubemap(img, CubemapLayout.AutoDetect);
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SetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap, ref cubemap);
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UnloadImage(img);
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}
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skyboxFileName = files[0];
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panorama = LoadTexture(files[0]);
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var cubemap = GenTextureCubemap(
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shdrCubemap,
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panorama,
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1024,
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PixelFormat.UncompressedR8G8B8A8
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);
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SetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap, ref cubemap);
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UnloadTexture(panorama);
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}
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else
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{
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var img = LoadImage(files[0]);
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var cubemap = LoadTextureCubemap(img, CubemapLayout.AutoDetect);
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SetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap, ref cubemap);
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UnloadImage(img);
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}
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skyboxFileName = files[0];
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}
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}
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//----------------------------------------------------------------------------------
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.RayWhite);
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BeginMode3D(camera);
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BeginMode3D(camera);
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// We are inside the cube, we need to disable backface culling!
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Rlgl.DisableBackfaceCulling();
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Rlgl.DisableDepthMask();
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DrawModel(skybox, Vector3.Zero, 1.0f, Color.White);
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Rlgl.EnableBackfaceCulling();
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Rlgl.EnableDepthMask();
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// We are inside the cube, we need to disable backface culling!
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Rlgl.DisableBackfaceCulling();
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Rlgl.DisableDepthMask();
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DrawModel(skybox, Vector3.Zero, 1.0f, Color.White);
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Rlgl.EnableBackfaceCulling();
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Rlgl.EnableDepthMask();
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DrawGrid(10, 1.0f);
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DrawGrid(10, 1.0f);
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EndMode3D();
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EndMode3D();
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if (useHdr)
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{
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DrawText(
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$"Panorama image from hdrihaven.com: {skyboxFileName}",
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10,
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GetScreenHeight() - 20,
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10,
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Color.Black
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);
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}
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else
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{
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DrawText($": {skyboxFileName}", 10, GetScreenHeight() - 20, 10, Color.Black);
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}
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DrawFPS(10, 10);
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EndDrawing();
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//----------------------------------------------------------------------------------
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if (useHdr)
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{
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DrawText(
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$"Panorama image from hdrihaven.com: {skyboxFileName}",
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10,
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GetScreenHeight() - 20,
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10,
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Color.Black
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);
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}
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else
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{
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DrawText($": {skyboxFileName}", 10, GetScreenHeight() - 20, 10, Color.Black);
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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DrawFPS(10, 10);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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public void Unload()
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{
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UnloadShader(Raylib.GetMaterial(ref skybox, 0).Shader);
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UnloadTexture(Raylib.GetMaterialTexture(ref skybox, 0, MaterialMapIndex.Cubemap));
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UnloadModel(skybox);
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}
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public static int Main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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InitWindow(screenWidth, screenHeight, "raylib [models] example - skybox rendering");
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DisableCursor(); // Limit cursor to relative movement inside the window
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SetTargetFPS(60);
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//--------------------------------------------------------------------------------------
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var game = new SkyboxDemo();
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game.Init();
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// Main game loop
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while (!WindowShouldClose())
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{
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game.Update();
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}
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game.Unload();
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow();
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//--------------------------------------------------------------------------------------
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@ -215,10 +257,10 @@ public class SkyboxDemo
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// STEP 1: Setup framebuffer
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//------------------------------------------------------------------------------------------
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uint rbo = Rlgl.LoadTextureDepth(size, size, true);
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var rbo = Rlgl.LoadTextureDepth(size, size, true);
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cubemap.Id = Rlgl.LoadTextureCubemap(null, size, format, 1);
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uint fbo = Rlgl.LoadFramebuffer();
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var fbo = Rlgl.LoadFramebuffer();
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Rlgl.FramebufferAttach(
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fbo,
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rbo,
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@ -235,7 +277,7 @@ public class SkyboxDemo
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);
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// Check if framebuffer is complete with attachments (valid)
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if (Rlgl.FramebufferComplete(fbo))
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if (Rlgl.FramebufferComplete(fbo) != 0)
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{
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Console.WriteLine($"FBO: [ID {fbo}] Framebuffer object created successfully");
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}
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@ -247,7 +289,7 @@ public class SkyboxDemo
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Rlgl.EnableShader(shader.Id);
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// Define projection matrix and send it to shader
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Matrix4x4 matFboProjection = Raymath.MatrixPerspective(
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var matFboProjection = Raymath.MatrixPerspective(
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90.0f * DEG2RAD,
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1.0f,
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Rlgl.CULL_DISTANCE_NEAR,
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@ -256,14 +298,14 @@ public class SkyboxDemo
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Rlgl.SetUniformMatrix(shader.Locs[(int)ShaderLocationIndex.MatrixProjection], matFboProjection);
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// Define view matrix for every side of the cubemap
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Matrix4x4[] fboViews = new[]
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var fboViews = new[]
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{
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3(-1.0f, 0.0f, 0.0f), new Vector3( 0.0f, -1.0f, 0.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3( 1.0f, 0.0f, 0.0f), new Vector3( 0.0f, -1.0f, 0.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3(-1.0f, 0.0f, 0.0f), new Vector3( 0.0f, -1.0f, 0.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3( 0.0f, 1.0f, 0.0f), new Vector3( 0.0f, 0.0f, 1.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3( 0.0f, -1.0f, 0.0f), new Vector3( 0.0f, 0.0f, -1.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3( 0.0f, 0.0f, -1.0f), new Vector3( 0.0f, -1.0f, 0.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3( 0.0f, 0.0f, 1.0f), new Vector3( 0.0f, -1.0f, 0.0f)),
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Raymath.MatrixLookAt(Vector3.Zero, new Vector3( 0.0f, 0.0f, -1.0f), new Vector3( 0.0f, -1.0f, 0.0f)),
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};
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// Set viewport to current fbo dimensions
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@ -273,7 +315,7 @@ public class SkyboxDemo
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Rlgl.ActiveTextureSlot(0);
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Rlgl.EnableTexture(panorama.Id);
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for (int i = 0; i < 6; i++)
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for (var i = 0; i < 6; i++)
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{
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// Set the view matrix for the current cube face
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Rlgl.SetUniformMatrix(shader.Locs[(int)ShaderLocationIndex.MatrixView], fboViews[i]);
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