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path: root/examples_web/core_input_mouse.c
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/*******************************************************************************************
*
*   raylib [core] example - Mouse 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 = { -100.0f, -100.0f };
Color ballColor = MAROON;

//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
void UpdateDrawFrame(void);     // Update and Draw one frame

//----------------------------------------------------------------------------------
// Main Enry Point
//----------------------------------------------------------------------------------
int main()
{
    // Initialization
    //--------------------------------------------------------------------------------------
    InitWindow(screenWidth, screenHeight, "raylib [core] example - mouse input");
    
#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
    //----------------------------------------------------------------------------------
    ballPosition = GetMousePosition();
        
    if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON)) ballColor = MAROON;
    else if (IsMouseButtonPressed(MOUSE_MIDDLE_BUTTON)) ballColor = LIME;
    else if (IsMouseButtonPressed(MOUSE_RIGHT_BUTTON)) ballColor = DARKBLUE;
    //----------------------------------------------------------------------------------

    // Draw
    //----------------------------------------------------------------------------------
    BeginDrawing();

        ClearBackground(RAYWHITE);

        DrawCircleV(ballPosition, 40, ballColor);

        DrawText("move ball with mouse and click mouse button to change color", 10, 10, 20, DARKGRAY);

    EndDrawing();
    //----------------------------------------------------------------------------------
}