79 lines
2.5 KiB
GDScript
79 lines
2.5 KiB
GDScript
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# Script to attach to a node which represents a hex grid
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extends Node2D
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var HexGrid = preload("./HexGrid.gd").new()
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var HexShape = preload("./HexShape.tscn")
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onready var highlight = get_node("Highlight")
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onready var area_coords = get_node("Highlight/AreaCoords")
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onready var hex_coords = get_node("Highlight/HexCoords")
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var rect_min = Vector2(-200, 50)
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var rect_max = Vector2(400, 200)
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var drag_start = null
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func _ready():
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HexGrid.hex_scale = Vector2(50, 50)
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func _draw():
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var hex_cell_bb_min = HexGrid.get_hex_at(rect_min).offset_coords
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var hex_cell_bb_max = HexGrid.get_hex_at(rect_max).offset_coords
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var hex_cell_offset_min = Vector2(
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min(hex_cell_bb_min.x, hex_cell_bb_max.x),
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min(hex_cell_bb_min.y, hex_cell_bb_max.y)
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)
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var hex_cell_offset_max = Vector2(
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max(hex_cell_bb_min.x, hex_cell_bb_max.x),
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max(hex_cell_bb_min.y, hex_cell_bb_max.y)
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)
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var rect_highlights = get_node ("rect_highlights")
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if rect_highlights:
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remove_child(rect_highlights)
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rect_highlights.queue_free()
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rect_highlights = Node2D.new()
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rect_highlights.name = "rect_highlights"
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add_child(rect_highlights)
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for xi in range (hex_cell_offset_min.x, hex_cell_offset_max.x + 1):
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for yi in range (hex_cell_offset_min.y, hex_cell_offset_max.y + 1):
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var offset_coords = Vector2(xi, yi)
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var hex_shape = HexShape.instance()
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hex_shape.position = HexGrid.get_hex_center_from_offset(offset_coords)
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var hex_shape_coords = hex_shape.get_node("HexCoords")
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hex_shape_coords.text = str(offset_coords)
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rect_highlights.add_child (hex_shape)
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var rect = Rect2(rect_min, rect_max - rect_min)
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draw_rect (rect, Color("55FFFFFF"))
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func _unhandled_input(event):
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if 'position' in event:
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var relative_pos = self.transform.affine_inverse() * event.position
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# Display the coords used
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if area_coords != null:
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area_coords.text = str(relative_pos)
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if hex_coords != null:
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hex_coords.text = str(HexGrid.get_hex_at(relative_pos).axial_coords)
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# Snap the highlight to the nearest grid cell
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if highlight != null:
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highlight.position = HexGrid.get_hex_center(HexGrid.get_hex_at(relative_pos))
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if event is InputEventMouseButton:
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if event.button_index == BUTTON_LEFT:
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if event.pressed:
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drag_start = relative_pos
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else:
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drag_start = null
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if drag_start != null:
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rect_min = Vector2(min(drag_start.x, relative_pos.x), min(drag_start.y, relative_pos.y))
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rect_max = Vector2(max(drag_start.x, relative_pos.x), max(drag_start.y, relative_pos.y))
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update()
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