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core_window_web.c
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/*******************************************************************************************
*
* raylib [core] example - window web
*
* Example complexity rating: [★☆☆☆] 1/4
*
* Example originally created with raylib 1.3, last time updated with raylib 5.5
*
* This example has been adapted to compile for PLATFORM_WEB and PLATFORM_DESKTOP
* As you will notice, code structure is slightly different to the other examples
*
* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
* BSD-like license that allows static linking with closed source software
*
* Copyright (c) 2015-2025 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h>
#endif
//----------------------------------------------------------------------------------
// Global Variables Definition
//----------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void); // Update and Draw one frame
//----------------------------------------------------------------------------------
// Program main entry point
//----------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [core] example - window web");
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
UpdateDrawFrame();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void)
{
// Update
//----------------------------------------------------------------------------------
// TODO: Update your variables here
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText("Welcome to raylib web structure!", 220, 200, 20, SKYBLUE);
EndDrawing();
//----------------------------------------------------------------------------------
}