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+/*******************************************************************************************
+*
+* raylib [shapes] example - bouncing ball
+*
+* Example originally created with raylib 2.5, last time updated with raylib 2.5
+*
+* 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) 2013-2024 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+ // Initialization
+ //---------------------------------------------------------
+ const int screenWidth = 800;
+ const int screenHeight = 450;
+
+ SetConfigFlags(FLAG_MSAA_4X_HINT);
+ InitWindow(screenWidth, screenHeight, "raylib [shapes] example - bouncing ball");
+
+ Vector2 ballPosition = { GetScreenWidth()/2.0f, GetScreenHeight()/2.0f };
+ Vector2 ballSpeed = { 5.0f, 4.0f };
+ int ballRadius = 20;
+
+ bool pause = 0;
+ int framesCounter = 0;
+
+ SetTargetFPS(60); // Set our game to run at 60 frames-per-second
+ //----------------------------------------------------------
+
+ // Main game loop
+ while (!WindowShouldClose()) // Detect window close button or ESC key
+ {
+ // Update
+ //-----------------------------------------------------
+ if (IsKeyPressed(KEY_SPACE)) pause = !pause;
+
+ if (!pause)
+ {
+ ballPosition.x += ballSpeed.x;
+ ballPosition.y += ballSpeed.y;
+
+ // Check walls collision for bouncing
+ if ((ballPosition.x >= (GetScreenWidth() - ballRadius)) || (ballPosition.x <= ballRadius)) ballSpeed.x *= -1.0f;
+ if ((ballPosition.y >= (GetScreenHeight() - ballRadius)) || (ballPosition.y <= ballRadius)) ballSpeed.y *= -1.0f;
+ }
+ else framesCounter++;
+ //-----------------------------------------------------
+
+ // Draw
+ //-----------------------------------------------------
+ BeginDrawing();
+
+ ClearBackground(RAYWHITE);
+
+ DrawCircleV(ballPosition, (float)ballRadius, MAROON);
+ DrawText("PRESS SPACE to PAUSE BALL MOVEMENT", 10, GetScreenHeight() - 25, 20, LIGHTGRAY);
+
+ // On pause, we draw a blinking message
+ if (pause && ((framesCounter/30)%2)) DrawText("PAUSED", 350, 200, 30, GRAY);
+
+ DrawFPS(10, 10);
+
+ EndDrawing();
+ //-----------------------------------------------------
+ }
+
+ // De-Initialization
+ //---------------------------------------------------------
+ CloseWindow(); // Close window and OpenGL context
+ //----------------------------------------------------------
+
+ return 0;
+} \ No newline at end of file