extends NeonNumber

# Banked gas companion to the ore counter. Keeping it as the same neon
# numeral language makes both resources equally legible without implying gas
# can pay for ore-only construction.
const GAS_GLOW: Color = Color(0.85, 0.52, 1.0)
const GAS_CORE: Color = Color(0.2, 0.04, 0.28)


func _ready() -> void:
	glow_color = GAS_GLOW
	core_color = GAS_CORE


func _process(_delta: float) -> void:
	set_amount(GameState.gas)


func _draw() -> void:
	# Gas keeps the segmented count used by ore, but replaces ore's mining
	# hex with the three-bubble resource glyph. The label above it now names
	# the same icon rather than describing a pink recolour of ore.
	var h: float = digit_height
	var s: float = h / 60.0
	for bubble in [[Vector2(21, 36), 13.0], [Vector2(35, 42), 17.0], [Vector2(39, 23), 9.0]]:
		var ring := PackedVector2Array()
		for i in range(12):
			var angle := TAU * float(i) / 12.0
			ring.append((bubble[0] + Vector2(cos(angle), sin(angle)) * bubble[1]) * s)
		NeonDraw.draw_glowing_polygon(self, ring, GAS_GLOW, 1.0, GAS_CORE, 0.55 * s)
	var x: float = h * 1.10
	var w: float = h * 0.56
	for digit in str(maxi(amount, 0)):
		_draw_digit(int(digit), Vector2(x, 0.0), w, h)
		x += w + digit_gap