68 lines
2.3 KiB
GDScript
68 lines
2.3 KiB
GDScript
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extends Node2D
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onready var HexTile = get_node("HexTile")
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onready var WorldCamera = get_node("Camera")
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onready var OffsetValueLabel = get_node("UI/TopContainer/OffsetValue")
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onready var ZoomValueLabel = get_node("UI/TopContainer/ZoomValue")
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onready var HexCoordValueLabel = get_node("UI/TopContainer/HexCoordValue")
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var HexGrid = preload("../thirdparty/gdhexgrid/HexGrid.gd").new()
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var hex_size = 128
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var hex_grid_bbox = [[0,0], [100,100]]
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var hex_hover = Vector2.ZERO
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var is_dragging = false
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var drag_start = null
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# Called when the node enters the scene tree for the first time.
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func _ready():
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HexGrid.hex_scale = Vector2(hex_size, hex_size)
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HexTile.hex_scale = Vector2(hex_size, hex_size)
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func _draw():
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for r in range(hex_grid_bbox[0][0], hex_grid_bbox[1][0]):
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for c in range(hex_grid_bbox[0][1], hex_grid_bbox[1][1]):
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var coords = HexGrid.get_hex_center(Vector2(r,c))
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draw_set_transform(coords, 0, Vector2.ONE)
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draw_polygon (HexTile.HexPoints, HexTile.HexColors[HexTile.TileType.None])
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draw_polyline(HexTile.HexPoints, "#888", 1 * WorldCamera.zoom.x)
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var coords = HexGrid.get_hex_center (hex_hover)
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draw_set_transform(coords, 0, Vector2.ONE)
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draw_polyline(HexTile.HexPoints, "#f00", 2 * WorldCamera.zoom.x)
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func screen_to_world(pos: Vector2):
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pos = pos - OS.get_window_safe_area().size * 0.5
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return WorldCamera.offset + pos * WorldCamera.zoom
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func screen_to_hex(pos: Vector2):
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return HexGrid.get_hex_at(screen_to_world(pos)).axial_coords
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func world_to_screen(pos: Vector2):
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return pos * WorldCamera.zoom + WorldCamera.offset
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func _unhandled_input(event):
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if event is InputEventMouseButton:
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if event.pressed and event.button_index == 3:
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is_dragging = true
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drag_start = (WorldCamera.offset / WorldCamera.zoom.x + event.position)
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else:
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is_dragging = false
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if event.pressed and event.button_index == BUTTON_WHEEL_DOWN and event.pressed:
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WorldCamera.zoom = WorldCamera.zoom * 1.0 / 0.8
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elif event.button_index == BUTTON_WHEEL_UP and event.pressed:
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WorldCamera.zoom = WorldCamera.zoom * 0.8
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if 'position' in event:
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if is_dragging:
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WorldCamera.offset = (drag_start - event.position) * WorldCamera.zoom.x
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else:
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hex_hover = screen_to_hex(event.position)
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HexCoordValueLabel.text = str(hex_hover)
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update()
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OffsetValueLabel.text = str(WorldCamera.offset)
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ZoomValueLabel.text = str(WorldCamera.zoom)
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