HexGrid.gd

extends Spatial


const TILE_MATERIALS = [
	preload("res://blue.tres"),
	preload("res://green.tres"),
	preload("res://red.tres"),
	preload("res://yellow.tres"),
]

const TILE_SIZE := 1.0
const HEX_TILE = preload("res://HexTile.tscn")

export (int, 2, 20) var grid_size := 10


func _ready() -> void:
	_generate_grid()


func _generate_grid():
	var tile_index := 0
	for x in range(grid_size):
		var tile_coordinates := Vector2.ZERO
		tile_coordinates.x = x * TILE_SIZE * cos(deg2rad(30))
		tile_coordinates.y = 0 if x % 2 == 0 else TILE_SIZE / 2
		for y in range(grid_size):
			var tile = HEX_TILE.instance()
			add_child(tile)
			tile.translate(Vector3(tile_coordinates.x, 0, tile_coordinates.y))
			tile_coordinates.y += TILE_SIZE
			tile.get_node("unit_hex/mergedBlocks(Clone)").material_override = get_tile_material(tile_index)
			tile_index += 1


func get_tile_material(tile_index: int):
	var index = tile_index % TILE_MATERIALS.size()
	return TILE_MATERIALS[index]