Ex5.exw

without warning

include std/machine.e
include std/convert.e

include flags.e
include Euraylib.ew

atom w = 800, h = 450

InitWindow(w,h,"Bouncing Ball")

atom ball_x = GetScreenWidth() / 2
atom ball_y = GetScreenHeight() / 2
atom ball_speed_x = 5.0
atom ball_speed_y = 4.0

atom ball_rad = 20

integer paused = 0
integer frameCounter = 0

SetTargetFPS(60)

atom b = bytes_to_int({0,0,0,0})
atom g = bytes_to_int({0,255,0,255})
atom r = bytes_to_int({255,0,0,255})

while not WindowShouldClose() do

	if IsKeyPressed(KEY_SPACE) and paused = 0 then
		paused = 1
		elsif IsKeyPressed(KEY_SPACE) and paused = 1 then
			paused = 0
	end if
	
	if paused = 0 then
		ball_x += ball_speed_x
		ball_y += ball_speed_y
		
		if ((ball_x >= (GetScreenWidth() - ball_rad)) or (ball_x <= ball_rad)) then
			ball_speed_x *= -1.0
		elsif ((ball_y >= (GetScreenHeight() - ball_rad)) or (ball_y <= ball_rad)) then
			ball_speed_y *= -1.0
		end if
	end if
	frameCounter += 1
	
	BeginDrawing()
	
	ClearBackground(b)
	
	DrawCircleV(ball_x,ball_y,ball_rad,r)
	
	if paused = 1  and frameCounter / 30 then
		DrawText("PAUSED",1,20,30,g)
	end if
	
	DrawFPS(1,1)
	
	EndDrawing()
	
end while

CloseWindow()
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