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Moved from @raysan5/raylib/docs

1 files changed, 89 insertions, 0 deletions

diff --git a/examples/web/core/core_input_keys.c b/examples/web/core/core_input_keys.c
new file mode 100644
index 0000000..5b4b488
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+++ b/examples/web/core/core_input_keys.c
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+/*******************************************************************************************
+*
+*   raylib [core] example - Keyboard input (adapted for HTML5 platform)
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#if defined(PLATFORM_WEB)
+    #include <emscripten/emscripten.h>
+#endif
+
+//----------------------------------------------------------------------------------
+// Global Variables Definition
+//----------------------------------------------------------------------------------
+int screenWidth = 800;
+int screenHeight = 450;
+
+Vector2 ballPosition;
+
+
+//----------------------------------------------------------------------------------
+// Module Functions Declaration
+//----------------------------------------------------------------------------------
+void UpdateDrawFrame(void);     // Update and Draw one frame
+
+//----------------------------------------------------------------------------------
+// Main Enry Point
+//----------------------------------------------------------------------------------
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - keyboard input");
+    
+    ballPosition = (Vector2){ (float)screenWidth/2, (float)screenHeight/2 };
+    
+#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
+    //----------------------------------------------------------------------------------
+    if (IsKeyDown(KEY_RIGHT)) ballPosition.x += 0.8f;
+    if (IsKeyDown(KEY_LEFT)) ballPosition.x -= 0.8f;
+    if (IsKeyDown(KEY_UP)) ballPosition.y -= 0.8f;
+    if (IsKeyDown(KEY_DOWN)) ballPosition.y += 0.8f;
+    //----------------------------------------------------------------------------------
+
+    // Draw
+    //----------------------------------------------------------------------------------
+    BeginDrawing();
+
+        ClearBackground(RAYWHITE);
+
+        DrawText("move the ball with arrow keys", 10, 10, 20, DARKGRAY);
+
+        DrawCircleV(ballPosition, 50, MAROON);
+
+    EndDrawing();
+    //----------------------------------------------------------------------------------
+}
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