61 lines
2.0 KiB
GDScript
61 lines
2.0 KiB
GDScript
extends Node2D
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# Declare member variables here. Examples:
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# var a = 2
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# var b = "text"
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export(Array) var view_grid_corners = [] setget set_view_grid_corners
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var view_camera = null setget set_view_camera
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var last_grid_corners = []
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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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pass # Replace with function body.
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func set_view_grid_corners(value: Array):
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view_grid_corners = value
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return view_grid_corners
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func set_view_camera(value: Camera2D):
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view_camera = value
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return view_camera
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func calc_grid_view_rect():
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var view_tl = Vector2(-Globals.hex_size,-Globals.hex_size)
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var view_br = OS.get_window_safe_area().size - view_tl
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var top_left = Globals.ScreenToHex(view_tl, view_camera)
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var top_right = Globals.ScreenToHex(Vector2(view_br.x, view_tl.y), view_camera)
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var bottom_left = Globals.ScreenToHex(Vector2(view_tl.x, view_br.y), view_camera)
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var bottom_right = Globals.ScreenToHex(view_br, view_camera)
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return [top_left, top_right, bottom_left, bottom_right]
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func _process(_delta):
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var view_grid_corners = calc_grid_view_rect()
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if view_grid_corners != last_grid_corners:
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update()
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func _draw():
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var view_grid_corners = calc_grid_view_rect()
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last_grid_corners = view_grid_corners
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var tl_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[0])
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var tr_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[1])
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var bl_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[2])
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var br_tile_coords = Globals.HexGrid.get_hex_center(view_grid_corners[3])
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var nc = ceil ((tr_tile_coords[0] - tl_tile_coords[0]) * 1.5 / Globals.hex_size)
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var nr = ceil ((bl_tile_coords[1] - tr_tile_coords[1]) / Globals.hex_size) + 2
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for c in range (nc):
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var dx = 0.75 * Globals.hex_size * c
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var dy = (c % 2) * sqrt(3) * 0.25 * Globals.hex_size
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for r in range (nr):
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draw_set_transform(tl_tile_coords + Vector2(dx, r * Globals.hex_size * sqrt(3) * 0.5 + dy), 0, Vector2.ONE)
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draw_polyline(HexTileDrawer.HexPoints, "#888", 1 * view_camera.zoom.x)
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