67 lines
1.7 KiB
GDScript3
67 lines
1.7 KiB
GDScript3
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extends Control
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signal set_state(state: bool)
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signal reset_buffer()
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var color_on := Color(0, 128, 0)
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var color_off := Color(0, 0, 0)
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var curr_state := false
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var last_delta := 0.0
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@export_range(0.1, 120.0) var display_sec := 5.0
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@export var stretch_display := false
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var start_time := 0
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var last_state_change_time: int = 0
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var morse_step_perc := 0.45
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var morse_states: Array[int] = []
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func _ready():
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_on_reset_buffer()
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func _draw_morse_rect(x: float, width: float, state: bool):
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var rect := Rect2(max(x, 0.0), morse_step_perc * size.y, width, (0.5 - morse_step_perc) * size.y)
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draw_rect(rect, color_on if state else color_off, true, -1.0, true)
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func _draw():
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# black background
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draw_rect(Rect2(0.0, 0.0, size.x, size.y), Color.BLACK)
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var morse_on := curr_state
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var first_time := Time.get_ticks_msec() - last_state_change_time
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var curr_x := float(size.x)
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var px_per_s := 0.0
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if not stretch_display:
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px_per_s = size.x / display_sec
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else:
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px_per_s = size.x / (Time.get_ticks_msec() - start_time) * 1000.0
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for duration in [first_time] + morse_states:
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var rect_width: float = min(duration / 1000.0 * px_per_s, curr_x)
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curr_x -= rect_width
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if morse_on:
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# at the moment we only draw the morse rects
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_draw_morse_rect(curr_x, rect_width, morse_on)
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morse_on = not morse_on
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if curr_x <= 0.0:
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break
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func _process(_delta):
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last_delta += _delta
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queue_redraw()
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func _on_set_state(state: bool) -> void:
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if state == curr_state:
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return
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curr_state = state
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var now := Time.get_ticks_msec()
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morse_states.push_front(now - last_state_change_time)
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last_state_change_time = now
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func _on_reset_buffer() -> void:
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last_state_change_time = Time.get_ticks_msec()
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start_time = last_state_change_time
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morse_states = []
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