Video Example: Pause

[JeffM2501]

/*
	Raylib example file.
	This is an example main file for a simple  C/C++raylib project.
*/

#include "raylib.h"
#include "raymath.h"

// global for pause state
bool Paused = false;

int main ()
{
	// set up the window
	InitWindow(1280, 800, "Raylib Pause Example");
	SetTargetFPS(144);

	// setup ball info
	float radius = 20;
	float speed = 400;
	Vector2 pos = { radius, 400 };
	Vector2 dir = { 1,0 };

	// game loop
	while (!WindowShouldClose())
	{
		// check to see if we need to change the pause state
		if (IsKeyPressed(KEY_SPACE))
			Paused = !Paused;

		// only update our position if we are not paused
		if (!Paused)
		{
			// move the ball based on the speed and the frame time
			pos = Vector2Add(pos, Vector2Scale(dir, GetFrameTime() * speed));

			if (pos.x > GetScreenWidth() - radius)	          // check if we have gone over the right edge, and if so, bounce us
			{
				pos.x = GetScreenWidth() - radius;
				dir.x = -1;
			}
			else if (pos.x < radius)                      // check if we have gone over the left edge
			{
				pos.x = radius;
				dir.x = 1;
			}
		}
		
		// drawing
		BeginDrawing();
		ClearBackground(BLACK);

		// draw the ball where it is
		DrawCircleV(pos, radius, RED);

		// if we are paused, draw a pause messages
		if (Paused)
			DrawText("Paused", 600, 380, 40, GREEN);
		
		EndDrawing();
	}

	// cleanup
	CloseWindow();
	return 0;
}