feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style
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234 changed files with 38999 additions and 10578 deletions
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/*******************************************************************************************
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*
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* raylib [shaders] example - Simple shader mask
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* raylib [shaders] example - simple mask
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*
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* This example has been created using raylib 2.5 (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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* Example contributed by Chris Camacho (@codifies) and reviewed by Ramon Santamaria (@raysan5)
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* Example originally created with raylib 2.5, last time updated with raylib 3.7
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*
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* Copyright (c) 2019 Chris Camacho (@codifies) and Ramon Santamaria (@raysan5)
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* Example contributed by Chris Camacho (@chriscamacho) and reviewed by Ramon Santamaria (@raysan5)
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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) 2019-2025 Chris Camacho (@chriscamacho) and Ramon Santamaria (@raysan5)
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*
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********************************************************************************************
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*
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@ -24,54 +28,72 @@ using static Raylib_cs.Raymath;
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namespace Examples.Shaders;
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public class SimpleMask
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public class SimpleMask : IExample
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{
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public unsafe 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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#if BROWSER
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const int GlslVersion = 100; // WebGL1 needs GLSL ES 100
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#else
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private const int GlslVersion = 330;
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#endif
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public string Name => "Shaders / Simple Mask";
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public string Title => "raylib [shaders] example - simple mask";
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public bool CursorDisabled => true;
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private Camera3D camera;
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private Model model1;
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private Model model2;
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private Model model3;
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private Shader shader;
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private Texture2D texDiffuse;
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private Texture2D texMask;
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private int shaderFrame;
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private int framesCounter;
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private Vector3 rotation;
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public unsafe 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 - simple shader mask");
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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.Position = new Vector3(0.0f, 1.0f, 2.0f);
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camera.Target = new Vector3(0.0f, 0.0f, 0.0f);
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camera.Up = new Vector3(0.0f, 1.0f, 0.0f);
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camera.FovY = 45.0f;
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camera.Projection = CameraProjection.Perspective;
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camera = new();
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camera.Position = new Vector3(0.0f, 1.0f, 2.0f); // Camera position
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camera.Target = new Vector3(0.0f, 0.0f, 0.0f); // Camera looking at point
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camera.Up = new Vector3(0.0f, 1.0f, 0.0f); // Camera up vector (rotation towards target)
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camera.FovY = 45.0f; // Camera field-of-view Y
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camera.Projection = CameraProjection.Perspective; // Camera projection type
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// Define our three models to show the shader on
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Mesh torus = GenMeshTorus(.3f, 1, 16, 32);
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Model model1 = LoadModelFromMesh(torus);
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var torus = GenMeshTorus(.3f, 1, 16, 32);
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model1 = LoadModelFromMesh(torus);
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Mesh cube = GenMeshCube(.8f, .8f, .8f);
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Model model2 = LoadModelFromMesh(cube);
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var cube = GenMeshCube(.8f, .8f, .8f);
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model2 = LoadModelFromMesh(cube);
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// Generate model to be shaded just to see the gaps in the other two
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Mesh sphere = GenMeshSphere(1, 16, 16);
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Model model3 = LoadModelFromMesh(sphere);
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var sphere = GenMeshSphere(1, 16, 16);
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model3 = LoadModelFromMesh(sphere);
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// Load the shader
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Shader shader = LoadShader("resources/shaders/glsl330/mask.vs", "resources/shaders/glsl330/mask.fs");
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shader = LoadShader(null, $"resources/shaders/glsl{GlslVersion}/mask.fs");
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// Load and apply the diffuse texture (colour map)
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Texture2D texDiffuse = LoadTexture("resources/plasma.png");
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texDiffuse = LoadTexture("resources/plasma.png");
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Material* materials = model1.Materials;
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MaterialMap* maps = materials[0].Maps;
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var materials = model1.Materials;
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var maps = materials[0].Maps;
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model1.Materials[0].Maps[(int)MaterialMapIndex.Albedo].Texture = texDiffuse;
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materials = model2.Materials;
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maps = materials[0].Maps;
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maps[(int)MaterialMapIndex.Albedo].Texture = texDiffuse;
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// Using MAP_EMISSION as a spare slot to use for 2nd texture
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// NOTE: Don't use MAP_IRRADIANCE, MAP_PREFILTER or MAP_CUBEMAP
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// as they are bound as cube maps
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Texture2D texMask = LoadTexture("resources/mask.png");
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// Using MATERIAL_MAP_EMISSION as a spare slot to use for 2nd texture
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// NOTE: Don't use MATERIAL_MAP_IRRADIANCE, MATERIAL_MAP_PREFILTER or MATERIAL_MAP_CUBEMAP as they are bound as cube maps
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texMask = LoadTexture("resources/mask.png");
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materials = model1.Materials;
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maps = (MaterialMap*)materials[0].Maps;
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@ -81,11 +103,11 @@ public class SimpleMask
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maps = (MaterialMap*)materials[0].Maps;
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maps[(int)MaterialMapIndex.Emission].Texture = texMask;
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int* locs = shader.Locs;
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var locs = shader.Locs;
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locs[(int)ShaderLocationIndex.MapEmission] = GetShaderLocation(shader, "mask");
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// Frame is incremented each frame to animate the shader
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int shaderFrame = GetShaderLocation(shader, "framesCounter");
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shaderFrame = GetShaderLocation(shader, "frame");
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// Apply the shader to the two models
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materials = model1.Materials;
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@ -94,69 +116,88 @@ public class SimpleMask
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materials = (Material*)model2.Materials;
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materials[0].Shader = shader;
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int framesCounter = 0;
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framesCounter = 0;
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rotation = new(0, 0, 0); // Model rotation angles
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}
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// Model rotation angles
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Vector3 rotation = new(0, 0, 0);
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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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framesCounter++;
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rotation.X += 0.01f;
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rotation.Y += 0.005f;
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rotation.Z -= 0.0025f;
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// Main game loop
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while (!WindowShouldClose())
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{
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// Update
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//----------------------------------------------------------------------------------
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framesCounter++;
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rotation.X += 0.01f;
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rotation.Y += 0.005f;
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rotation.Z -= 0.0025f;
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// Send frames counter to shader for animation
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Raylib.SetShaderValue(shader, shaderFrame, framesCounter, ShaderUniformDataType.Int);
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// Send frames counter to shader for animation
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Raylib.SetShaderValue(shader, shaderFrame, framesCounter, ShaderUniformDataType.Int);
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// Rotate one of the models
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model1.Transform = MatrixRotateXYZ(rotation);
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//----------------------------------------------------------------------------------
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// Rotate one of the models
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model1.Transform = MatrixRotateXYZ(rotation);
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.DarkBlue);
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UpdateCamera(ref camera, CameraMode.Custom);
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//----------------------------------------------------------------------------------
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BeginMode3D(camera);
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(Color.DarkBlue);
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DrawModel(model1, new Vector3(0.5f, 0, 0), 1, Color.White);
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DrawModelEx(model2, new Vector3(-.5f, 0, 0), new Vector3(1, 1, 0), 50, new Vector3(1, 1, 1), Color.White);
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DrawModel(model3, new Vector3(0, 0, -1.5f), 1, Color.White);
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DrawGrid(10, 1.0f); // Draw a grid
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BeginMode3D(camera);
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EndMode3D();
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DrawModel(model1, new Vector3(0.5f, 0, 0), 1, Color.White);
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DrawModelEx(model2, new Vector3(-.5f, 0, 0), new Vector3(1, 1, 0), 50, new Vector3(1, 1, 1), Color.White);
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DrawModel(model3, new Vector3(0, 0, -1.5f), 1, Color.White);
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DrawGrid(10, 1.0f);
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var frameText = $"Frame: {framesCounter}";
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DrawRectangle(16, 698, MeasureText(frameText, 20) + 8, 42, Color.Blue);
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DrawText(frameText, 20, 700, 20, Color.White);
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EndMode3D();
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DrawFPS(10, 10);
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string frameText = $"Frame: {framesCounter}";
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DrawRectangle(16, 698, MeasureText(frameText, 20) + 8, 42, Color.Blue);
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DrawText(frameText, 20, 700, 20, Color.White);
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EndDrawing();
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//----------------------------------------------------------------------------------
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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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// De-Initialization
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//--------------------------------------------------------------------------------------
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public void Unload()
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{
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UnloadModel(model1);
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UnloadModel(model2);
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UnloadModel(model3);
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UnloadTexture(texDiffuse);
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UnloadTexture(texMask);
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UnloadTexture(texDiffuse); // Unload default diffuse texture
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UnloadTexture(texMask); // Unload texture mask
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UnloadShader(shader);
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UnloadShader(shader); // Unload shader
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}
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CloseWindow();
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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 [shaders] example - simple mask");
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DisableCursor(); // Limit cursor to relative movement inside the window
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SetTargetFPS(60); // Set to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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var game = new SimpleMask();
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game.Init();
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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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(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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