diff options
Diffstat (limited to 'date_picker/scroll_picker.gd')
| -rw-r--r-- | date_picker/scroll_picker.gd | 124 |
1 files changed, 56 insertions, 68 deletions
diff --git a/date_picker/scroll_picker.gd b/date_picker/scroll_picker.gd index 1d184b9..02d5933 100644 --- a/date_picker/scroll_picker.gd +++ b/date_picker/scroll_picker.gd @@ -1,17 +1,28 @@ extends Control -const MAX_POINTERS = 10 +const VELOCITY_DECAYING_FACTOR: float = 5.5 +const BINNING_THRESHOLD: float = 0.75 +const BINNING_ADJUST_P: float = 5.0 + +export var min_value: int setget set_min_value +export var max_value: int setget set_max_value +var num_of_values: int + +func set_min_value(value: int): + min_value = value + num_of_values = max_value - min_value + 1 + +func set_max_value(value: int): + max_value = value + num_of_values = max_value - min_value + 1 var pointer: Dictionary var value: float = 0.0 var anchor: float = 0.0 -var pointer_id: int = -1 -var start_pos: float = 0.0 -var pos: float = 0.0 -var value_base_position: float -var value_next_base_position: float -var value_previous_base_position: float +var current_value_base_position: float +var next_value_base_position: float +var previous_value_base_position: float func _ready(): @@ -19,106 +30,83 @@ func _ready(): index = -1, initial_position = Vector2.ZERO, current_position = Vector2.ZERO, - relative = Vector2.ZERO, velocity = Vector2.ZERO, is_active = false, - timestamp = 0 } - value_base_position = ($value as Label).rect_position.y - value_next_base_position = ($value_next as Label).rect_position.y - value_previous_base_position = ($value_previous as Label).rect_position.y - + current_value_base_position = ($value as Label).rect_position.y + next_value_base_position = ($value_next as Label).rect_position.y + previous_value_base_position = ($value_previous as Label).rect_position.y func _process(delta: float): - var max_value := 10 + # @DAM TODO It's weird that we use '-value'... check maths. var scroll_unit_height := ($value as Label).rect_size.y + var normalized_value := - value / scroll_unit_height + var normalized_int_value := round(normalized_value) as int + # $debug.text = "%s | %s" % [normalized_value, normalized_int_value] - pointer.velocity *= clamp((1.0 - 5.5 * delta), 0.0, 1.0) + pointer.velocity *= clamp((1.0 - VELOCITY_DECAYING_FACTOR * delta), 0.0, 1.0) if pointer.is_active: value = anchor + (pointer.current_position.y - pointer.initial_position.y) elif is_zero_approx(pointer.velocity.y) == false: value += pointer.velocity.y * delta - if abs(pointer.velocity.y) < 50.0: - var normalized_value := -value / scroll_unit_height - var normalized_int_value := round(normalized_value) as int - var logic_value := fposmod(normalized_int_value, max_value) + if abs(pointer.velocity.y) < BINNING_THRESHOLD * scroll_unit_height: var fix := ((normalized_int_value as float) - normalized_value) * scroll_unit_height - value -= fix * 5.0 * delta - -# pointer.timestamp = OS.get_ticks_msec() -# ($test as TextureRect).rect_global_position.y = value -# $debug.text = "value: %s\nvelocity: %s\n%s" % [value, pointer.velocity, pointer.relative] - var current_pos = value - var turn_over := scroll_unit_height * max_value - if current_pos >= turn_over || current_pos < 0.0: - value = fposmod(current_pos, turn_over) -# elif current_pos < 0: -# value = 800 - current_pos - - - var normalized_value := -value / scroll_unit_height - var normalized_int_value := round(normalized_value) as int - var logic_value := fposmod(normalized_int_value, max_value) - var logic_next_value := fposmod(normalized_int_value + 1, max_value) - var logic_previous_value := fposmod(normalized_int_value - 1, max_value) + value -= fix * BINNING_ADJUST_P * delta -# var value_base_position := ($value_previous as Label).rect_position.y # 140.0 # 180.0 -# var value_next_base_position := ($value_next as Label).rect_position.y #180.0 # 260.0 -# var value_previous_base_position := ($value as Label).rect_position.y #100.0 + var logic_value := min_value + fposmod(normalized_int_value, num_of_values) + var logic_next_value := min_value + fposmod(normalized_int_value + 1, num_of_values) + var logic_previous_value := min_value + fposmod(normalized_int_value - 1, num_of_values) $value.text = "%d" % logic_value $value_next.text = "%d" % logic_next_value $value_previous.text = "%d" % logic_previous_value -# $debug.text = "%s" % normalized_value - ($value as Label).rect_position.y = value_base_position - (normalized_value - normalized_int_value) * scroll_unit_height - ($value_previous as Label).rect_position.y = value_previous_base_position - (normalized_value - normalized_int_value) * scroll_unit_height - ($value_next as Label).rect_position.y = value_next_base_position - (normalized_value - normalized_int_value) * scroll_unit_height + var normalized_displacement := normalized_value - normalized_int_value + var displacement := normalized_displacement * scroll_unit_height -# ($value as Label).modulate.a = (scroll_unit_height - (normalized_value - normalized_int_value) * scroll_unit_height) / (scroll_unit_height as float) -# $debug.text = "%s ..." % [normalized_int_value - normalized_value] - ($value_next as Label).modulate.a = ((normalized_value - normalized_int_value) + 0.5) - ($value_previous as Label).modulate.a = ((normalized_int_value - normalized_value) + 0.5) -# ($value_previous as Label).modulate.a = ((normalized_value + normalized_int_value) * scroll_unit_height) / (scroll_unit_height as float) -# -#func _input(event: InputEvent): -# $log.text += "> input: %s\n" % event.to_string() -# if event is InputEventScreenTouch && event.pressed == false: -# pointer.index = -1 + ($value as Label).rect_position.y = current_value_base_position - displacement + ($value_previous as Label).rect_position.y = previous_value_base_position - displacement + ($value_next as Label).rect_position.y = next_value_base_position - displacement + + ($value_next as Label).modulate.a = normalized_displacement + 0.5 + ($value_previous as Label).modulate.a = 0.5 - normalized_displacement + + var current_pos := value + var turn_over := num_of_values * scroll_unit_height + if current_pos >= turn_over || current_pos < 0.0: + value = fposmod(current_pos, turn_over) -func _gui_input(event: InputEvent): -# get_tree().set_input_as_handled() -# if event is InputEventScreenTouch && event.pressed == false: -# $label.text = "AUTCH" -# $log.text += "> event: %s\n" % event.to_string() +func _gui_input(event: InputEvent): + + # @DAM TODO When we release the pointer, we will receive an event that will se the 'current_position' as the last 'touch.position'. if event is InputEventScreenTouch: # if (event is InputEventScreenTouch && pointer.is_active && pointer.index == event.index # || event is InputEventScreenTouch && pointer.is_active == false): var touch := event as InputEventScreenTouch pointer.is_active = event.pressed pointer.current_position = touch.position - var time := OS.get_ticks_msec() if pointer.is_active: pointer.index = touch.index pointer.initial_position = touch.position anchor = value else: pointer.index = -1 -# elif abs(pointer.timestamp - time) > 50.0: -# pointer.velocity = Vector2.ZERO -# if pointer.is_active == false: -# $output.text += "%10d: touch %d\n" % [abs(pointer.timestamp - time), touch.index] if event is InputEventScreenDrag && event.index == pointer.index: var drag := event as InputEventScreenDrag pointer.current_position = drag.position pointer.velocity = drag.speed -# $label.text = "%s"%drag.speed - pointer.relative = drag.relative - pointer.timestamp = OS.get_ticks_msec() -# $output.text += "%10d: drag %d\n" % [pointer.timestamp, drag.index] + + +func set_value(value: int): + breakpoint # @DAM TODO + + +func get_value() -> int: + breakpoint # @DAM TODO + return 0 |