90 lines
2.4 KiB
GDScript
90 lines
2.4 KiB
GDScript
extends Sprite2D
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var pos: Vector2i = Vector2i(0,0)
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var dir: TileSet.CellNeighbor = TileSet.CELL_NEIGHBOR_RIGHT_SIDE
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@onready var tiles: TileMapLayer = get_node("../TileMapLayer")
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@export var randomRules: bool = true
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var curDir: Dictionary = {
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0: TileSet.CELL_NEIGHBOR_RIGHT_SIDE,
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1: TileSet.CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE,
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2: TileSet.CELL_NEIGHBOR_BOTTOM_LEFT_SIDE,
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3: TileSet.CELL_NEIGHBOR_LEFT_SIDE,
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4: TileSet.CELL_NEIGHBOR_TOP_LEFT_SIDE,
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5: TileSet.CELL_NEIGHBOR_TOP_RIGHT_SIDE,
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}
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var curInt: Dictionary = {
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TileSet.CELL_NEIGHBOR_RIGHT_SIDE: 0,
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TileSet.CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE: 1,
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TileSet.CELL_NEIGHBOR_BOTTOM_LEFT_SIDE: 2,
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TileSet.CELL_NEIGHBOR_LEFT_SIDE: 3,
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TileSet.CELL_NEIGHBOR_TOP_LEFT_SIDE: 4,
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TileSet.CELL_NEIGHBOR_TOP_RIGHT_SIDE: 5,
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}
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var antProgram: Array[Vector2i] = [
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Vector2i(2, 1),
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Vector2i(0, 2),
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Vector2i(3, 3),
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Vector2i(1, 4),
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Vector2i(1, 5),
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Vector2i(2, 0),
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]
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func randomTileset() -> void:
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var rng = RandomNumberGenerator.new()
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antProgram = []
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var s: int = rng.randi_range(10, 99)
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for i in range(0, s):
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antProgram.append(Vector2i(rng.randi_range(1, 4), (i+1)%s))
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func getNextStep(tile: int) -> Vector2i:
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if tile > antProgram.size():
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return Vector2i(0,0)
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else:
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return antProgram.get(tile)
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func _ready() -> void:
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self.set_z_index(1)
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self.set_frame(curInt[dir])
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if randomRules:
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randomTileset()
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tiles.set_tile(pos, tiles.get_tile_colour(pos))
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move(dir)
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# update loop:
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# move in dir
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# get tile col, change dir based on col
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# paint tile col
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func update() -> void:
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move(dir)
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pos = tiles.get_neighbor_cell(pos, dir)
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var tile: int = tiles.get_tile_colour(pos)
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var res = getNextStep(tile)
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dir = curDir[(curInt[dir] + tiles.numTiles + res.x) % tiles.numTiles]
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self.set_frame(curInt[dir])
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tiles.set_tile(pos, res.y % tiles.numTiles)
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func move(to: TileSet.CellNeighbor) -> void:
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var delta: Vector2
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match to:
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TileSet.CELL_NEIGHBOR_RIGHT_SIDE:
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delta = Vector2(tiles.texSize.x, 0)
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TileSet.CELL_NEIGHBOR_BOTTOM_RIGHT_SIDE:
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delta = Vector2(tiles.texSize.x/2, tiles.texSize.y/4*3)
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TileSet.CELL_NEIGHBOR_BOTTOM_LEFT_SIDE:
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delta = Vector2(-tiles.texSize.x/2, tiles.texSize.y/4*3)
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TileSet.CELL_NEIGHBOR_LEFT_SIDE:
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delta = Vector2(-tiles.texSize.x, 0)
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TileSet.CELL_NEIGHBOR_TOP_LEFT_SIDE:
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delta = Vector2(-tiles.texSize.x/2, -tiles.texSize.y/4*3)
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TileSet.CELL_NEIGHBOR_TOP_RIGHT_SIDE:
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delta = Vector2(tiles.texSize.x/2, -tiles.texSize.y/4*3)
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_:
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delta = Vector2(0,0)
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self.translate(delta)
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