WASM examples (+ backports of new official examples) (#344)
* chg: New build system that uses the officially distributed binaries, bumped version to 8.0.0, simplified git workflow, removed deprecated OpenGL 1.1 functionality. * chg: Modernize CI workflow, enable SourceLink - Bump workflow actions to latest majors (Node 24); drop deprecated softprops/action-gh-release@v1 - Trigger push builds on main instead of master - Create local nuget feed dir before pack (fixes NU1301) - Enable Microsoft.SourceLink.GitHub for debugging symbols (ref PR #340) * fix: centralized version data in Directory.build.props, and fixed various interop details that had incorrect function signatures * chore: updated readme * fix: version the native extract marker and chain download via DependsOnTargets The .extracted marker now includes the raylib package name, so bumping TargetRaylibTag re-extracts the new archive instead of silently keeping (and packing/copying) the previous version's files. _PrepareNativeLibrary and _StageWasmNative now depend directly on _DownloadAndExtractInternal instead of CallTarget-ing it; dependency targets run in the same project instance, so the resolved properties (RaylibPackageName etc.) propagate naturally. * fix: let the binding build for browser-wasm on both net8.0 and net10.0 The net8-era wasm workload (Microsoft.NET.Runtime.WebAssembly.Sdk 8.0.x, auto-imported for RID browser-wasm) treats every browser-wasm project as a wasm app: it forces OutputType=Exe after project evaluation (CS5001 for a classlib) and hooks its app-bundle build after Build, which errors because a library has no assemblies to bundle. Opt Raylib-cs out via DisableAutoWasmBuildApp (props time, before the workload defaults its trigger) and pin OutputType back to Library in Directory.Build.targets (evaluated after the workload props, so the assignment wins). net10's wasm SDK needs neither workaround. * chore: readme updated * chg: simplifying build logic - a simple line in the documentation should save us the code here * fix: Wrong signature of FrameBufferComplete * chore: readme update * feat: samples default to local project reference, and can optionally use the nuget package * feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style * chore: readme, gitignore, and targets backport. * fix: Examples.csproj runs the download task when building locally * feat: backporting existing raylib-cs examples and new official raylib examples to WASM, adopting raylib's original code style * chore: readme, gitignore, and targets backport. * chore: clean up linter warnings * feat: html harness focuses the example and allows quick navigation with J/K instead. * chore: readme mentions the property to use nuget vs. the local project reference * feat: replaced the J/K navigation with good old HTML buttons * chore: run dotnet format scoped default (was previously scoped to just 'style')
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Examples/Core/InputActions.cs
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Examples/Core/InputActions.cs
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/*******************************************************************************************
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*
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* raylib [core] example - input actions
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*
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* Example complexity rating: [★★☆☆] 2/4
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*
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* Example originally created with raylib 5.5, last time updated with raylib 5.6
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*
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* Example contributed by Jett (@JettMonstersGoBoom) 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) 2025 Jett (@JettMonstersGoBoom)
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*
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********************************************************************************************/
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// Simple example for decoding input as actions, allowing remapping of input to different keys or gamepad buttons
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// For example instead of using `IsKeyDown(KEY_LEFT)`, you can use `IsActionDown(ACTION_LEFT)`
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// which can be reassigned to e.g. KEY_A and also assigned to a gamepad button. the action will trigger with either gamepad or keys
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namespace Examples.Core;
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public partial class InputActions : IExample
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{
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//----------------------------------------------------------------------------------
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// Types and Structures Definition
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//----------------------------------------------------------------------------------
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private enum ActionType
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{
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NoAction = 0,
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ActionUp,
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ActionDown,
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ActionLeft,
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ActionRight,
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ActionFire,
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MaxAction
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}
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// Key and button inputs
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private struct ActionInput
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{
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public KeyboardKey Key;
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public GamepadButton Button;
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}
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private const int screenWidth = 800;
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private const int screenHeight = 450;
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public string Name => "Core / Input Actions";
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public string Title => "raylib [core] example - input actions";
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private int gamepadIndex; // Gamepad default index
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private ActionInput[] actionInputs;
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private int actionSet;
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private bool releaseAction;
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private Vector2 position;
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private Vector2 size;
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public void Init()
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{
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gamepadIndex = 0;
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actionInputs = new ActionInput[(int)ActionType.MaxAction];
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// Set default actions
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actionSet = 0;
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SetActionsDefault();
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releaseAction = false;
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position = new Vector2(400.0f, 200.0f);
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size = new Vector2(40.0f, 40.0f);
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}
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public void Update()
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{
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// Update
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//----------------------------------------------------------------------------------
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gamepadIndex = 0; // Set gamepad being checked
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if (IsActionDown(ActionType.ActionUp))
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{
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position.Y -= 2;
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}
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if (IsActionDown(ActionType.ActionDown))
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{
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position.Y += 2;
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}
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if (IsActionDown(ActionType.ActionLeft))
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{
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position.X -= 2;
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}
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if (IsActionDown(ActionType.ActionRight))
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{
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position.X += 2;
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}
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if (IsActionPressed(ActionType.ActionFire))
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{
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position.X = (screenWidth - size.X) / 2;
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position.Y = (screenHeight - size.Y) / 2;
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}
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// Register release action for one frame
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releaseAction = false;
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if (IsActionReleased(ActionType.ActionFire))
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{
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releaseAction = true;
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}
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// Switch control scheme by pressing TAB
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if (IsKeyPressed(KeyboardKey.Tab))
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{
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actionSet = (actionSet == 0) ? 1 : 0;
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if (actionSet == 0)
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{
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SetActionsDefault();
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}
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else
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{
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SetActionsCursor();
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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.Gray);
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DrawRectangleV(position, size, releaseAction ? Color.Blue : Color.Red);
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DrawText((actionSet == 0) ? "Current input set: WASD (default)" : "Current input set: Arrow keys", 10, 10, 20, Color.White);
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DrawText("Use TAB key to toggles Actions keyset", 10, 50, 20, Color.Green);
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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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}
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//----------------------------------------------------------------------------------
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// Module Functions Definition
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//----------------------------------------------------------------------------------
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// Check action key/button pressed
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// NOTE: Combines key pressed and gamepad button pressed in one action
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private bool IsActionPressed(ActionType action)
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{
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bool result = false;
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if (action < ActionType.MaxAction)
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{
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result = (IsKeyPressed(actionInputs[(int)action].Key) || IsGamepadButtonPressed(gamepadIndex, actionInputs[(int)action].Button));
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}
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return result;
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}
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// Check action key/button released
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// NOTE: Combines key released and gamepad button released in one action
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private bool IsActionReleased(ActionType action)
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{
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bool result = false;
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if (action < ActionType.MaxAction)
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{
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result = (IsKeyReleased(actionInputs[(int)action].Key) || IsGamepadButtonReleased(gamepadIndex, actionInputs[(int)action].Button));
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}
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return result;
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}
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// Check action key/button down
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// NOTE: Combines key down and gamepad button down in one action
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private bool IsActionDown(ActionType action)
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{
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bool result = false;
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if (action < ActionType.MaxAction)
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{
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result = (IsKeyDown(actionInputs[(int)action].Key) || IsGamepadButtonDown(gamepadIndex, actionInputs[(int)action].Button));
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}
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return result;
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}
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// Set the "default" keyset
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// NOTE: Here WASD and gamepad buttons on the left side for movement
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private void SetActionsDefault()
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{
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actionInputs[(int)ActionType.ActionUp].Key = KeyboardKey.W;
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actionInputs[(int)ActionType.ActionDown].Key = KeyboardKey.S;
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actionInputs[(int)ActionType.ActionLeft].Key = KeyboardKey.A;
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actionInputs[(int)ActionType.ActionRight].Key = KeyboardKey.D;
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actionInputs[(int)ActionType.ActionFire].Key = KeyboardKey.Space;
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actionInputs[(int)ActionType.ActionUp].Button = GamepadButton.LeftFaceUp;
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actionInputs[(int)ActionType.ActionDown].Button = GamepadButton.LeftFaceDown;
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actionInputs[(int)ActionType.ActionLeft].Button = GamepadButton.LeftFaceLeft;
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actionInputs[(int)ActionType.ActionRight].Button = GamepadButton.LeftFaceRight;
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actionInputs[(int)ActionType.ActionFire].Button = GamepadButton.RightFaceDown;
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}
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// Set the "alternate" keyset
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// NOTE: Here cursor keys and gamepad buttons on the right side for movement
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private void SetActionsCursor()
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{
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actionInputs[(int)ActionType.ActionUp].Key = KeyboardKey.Up;
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actionInputs[(int)ActionType.ActionDown].Key = KeyboardKey.Down;
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actionInputs[(int)ActionType.ActionLeft].Key = KeyboardKey.Left;
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actionInputs[(int)ActionType.ActionRight].Key = KeyboardKey.Right;
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actionInputs[(int)ActionType.ActionFire].Key = KeyboardKey.Space;
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actionInputs[(int)ActionType.ActionUp].Button = GamepadButton.RightFaceUp;
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actionInputs[(int)ActionType.ActionDown].Button = GamepadButton.RightFaceDown;
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actionInputs[(int)ActionType.ActionLeft].Button = GamepadButton.RightFaceLeft;
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actionInputs[(int)ActionType.ActionRight].Button = GamepadButton.RightFaceRight;
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actionInputs[(int)ActionType.ActionFire].Button = GamepadButton.LeftFaceDown;
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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 [core] example - input actions");
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SetTargetFPS(60);
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//--------------------------------------------------------------------------------------
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var game = new InputActions();
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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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}
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}
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