59 lines
2.0 KiB
GDScript
59 lines
2.0 KiB
GDScript
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extends Node2D
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@onready var grid: Grid = $/root/Root/Grid
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@export var highlight_color: Color = Color(1, 1, 1, 0.2)
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@onready var d_pos: Rect2 = grid.quantize(get_local_mouse_position(), Vector2i.ONE)
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@onready var c_pos: Rect2 = d_pos
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@onready var d_opacity = 1.0 if grid.contains_world_pos(get_local_mouse_position()) else 0.0
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@onready var c_opacity = 0.0
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#eventually, replace this weird shit with an array of old rects that are fading out
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#let them fade out, and just remove them. have a method to abandon the current box
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#and start a new one that just follows the normal box-booting procedure.
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#if you're not in the grid, it simply wont be created yet. have to have a has_box prop
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#or something like that. but this is good enough for now
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func _lerp_opacity(c: Color, t: float) -> Color:
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return Color(c.r, c.g, c.b, c.a * t)
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func _process(delta):
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queue_redraw()
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var a_center = c_pos.get_center()
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if c_opacity >= 0.01:
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var b_center = d_pos.get_center()
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# i know its not right but stfu
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var n_center = lerp(a_center, b_center, delta * 60)
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var a_size = c_pos.size
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var b_size = d_pos.size
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var n_size: Vector2
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if a_size.length_squared() > b_size.length_squared():
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n_size = lerp(a_size, b_size, delta * 20)
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else:
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#getting bigger needs to be ffaster because it looks nice but also lerping
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#bigger makes it last longer at the very end
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n_size = lerp(a_size, b_size, delta * 60)
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var n_pos = n_center - n_size / 2
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c_pos = Rect2(n_pos, n_size)
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else:
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c_pos = Rect2(d_pos)
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var mouse = get_local_mouse_position()
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if grid.contains_world_pos(mouse) and not grid.left_dragging:
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d_pos = grid.quantize_on_objects(get_local_mouse_position())
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if grid.contains_world_pos(a_center):
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d_opacity = 1.0
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else:
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d_opacity = 0.0
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if d_opacity > c_opacity or grid.left_dragging:
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c_opacity = lerp(c_opacity, d_opacity, delta * 30)
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else:
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c_opacity = lerp(c_opacity, d_opacity, delta * 3)
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func _draw():
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draw_rect(c_pos, _lerp_opacity(highlight_color, c_opacity), true)
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