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- /*******************************************************************************************
- *
- * raylib [core] example - Basic window
- *
- * Welcome to raylib!
- *
- * To test examples, just press F6 and execute raylib_compile_execute script
- * Note that compiled executable is placed in the same folder as .c file
- *
- * You can find all basic examples on C:\raylib\raylib\examples folder or
- * raylib official webpage: www.raylib.com
- *
- * Enjoy using raylib. :)
- *
- * This example has been created using raylib 1.0 (www.raylib.com)
- * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
- *
- * Copyright (c) 2013-2016 Ramon Santamaria (@raysan5)
- *
- ********************************************************************************************/
- #include "raylib.h"
- int main()
- {
- // Initialization
- //--------------------------------------------------------------------------------------
- int screenWidth = 800;
- int screenHeight = 450;
- InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window");
- Color recColor = RED;
- Vector2 point1,point2,point3;
- point1.x = screenWidth/2;
- point1.y = screenHeight/2;
- point2.x = screenWidth/2 - 60;
- point2.y = screenHeight/2 +50;
- point3.x = screenWidth/2 + 60;
- point3.y = screenHeight/2 +50;
- bool fadeOut = true;
- float alpha = 0;
- float fadeSpeed = 0.01f;
- SetTargetFPS(60);
- //--------------------------------------------------------------------------------------
- // Main game loop
- while (!WindowShouldClose()) // Detect window close button or ESC key
- {
- // Update
- //----------------------------------------------------------------------------------
- // TODO: Update your variables here
- if(fadeOut)
- {
- alpha += fadeSpeed;
- if(alpha >= 1.0f)
- {
- alpha = 1.0f;
- fadeOut = !fadeOut;
- }
- }
- else
- {
- alpha -= fadeSpeed;
- if(alpha <= 0.0f)
- {
- alpha = 0.0f;
- fadeOut = !fadeOut;
- }
- }
- if(IsKeyPressed(KEY_SPACE))
- {
- fadeOut = !fadeOut;
- }
- //----------------------------------------------------------------------------------
- // Draw
- //----------------------------------------------------------------------------------
- BeginDrawing();
- ClearBackground(RAYWHITE);
- DrawTriangle(point1, point2, point3, Fade(RED, alpha));
- DrawText(FormatText("%f", alpha), 10,10, 20, WHITE);
- EndDrawing();
- //----------------------------------------------------------------------------------
- }
- // De-Initialization
- //--------------------------------------------------------------------------------------
- CloseWindow(); // Close window and OpenGL context
- //--------------------------------------------------------------------------------------
- return 0;
- }
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