# Circle Size in Jinx!Script
# (c) 2015 Bob Kojima
# bob.k.kojima@gmail.com

# you need to activate the autocolor inside the Jinx!Script channel config !

:init
	
	# max number of circles
	config maxcircles = 10

	#largest radius
	config radius = 15
	
	#pause between steps
	config pause = 2

	#find center of matrix
	centerx = matrix_x / 2
	centery = matrix_y / 2

	nbr_circles = 1
	i = 0;	
	step = 1
	time = 0
end

:render

	# black out screen 
	clear

       	# large radius	
	lg_rad = (matrix_y/2) * .85;
      	# large circumference
	lg_circ = 2*3.14*lg_rad;
	# small radius
	sm_rad = (lg_circ / nbr_circles) / 2  

	for i = 1 to nbr_circles step 1
		angle = i*2*3.14/nbr_circles
  		x = centerx + cos(angle) * lg_rad
		y = centery + sin(angle) * lg_rad
		circle x, y, radius, autocolor_red, autocolor_green, autocolor_blue, 1	
	next

	if time > pause
		nbr_circles = nbr_circles + step
		radius = radius - step
		time = 0
	endif

	if nbr_circles > maxcircles
		step = -1
	endif
	if nbr_circles < 2
		step = 1
	endif

	time = time + 1
		
end