145 lines
4.7 KiB
GDScript
145 lines
4.7 KiB
GDScript
extends Node3D
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@onready var hex = $Hexagon
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@onready var coord_label = $Hexagon/Label3D
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const DIR_N: Vector3 = Vector3(0, 1, -1)
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const DIR_NE: Vector3 = Vector3(1, 0, -1)
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const DIR_SE: Vector3 = Vector3(1, -1, 0)
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const DIR_S: Vector3 = Vector3(0, -1, 1)
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const DIR_SW: Vector3 = Vector3(-1, 0, 1)
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const DIR_NW: Vector3 = Vector3(-1, 1, 0)
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const DIR_ALL: Array[Vector3] = [DIR_N, DIR_NE, DIR_SE, DIR_S, DIR_SW, DIR_NW]
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#const size = Vector2(1, sqrt(3.0)/2.0)
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const size: float = 0.5
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@export var layer_height: float = 0.4
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class CubeCoordinates:
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var q: float
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var r: float
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var s: float
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func _init(_q: float, _r: float, _s: float):
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q = _q
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r = _r
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s = _s
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class AxialCoordinates:
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var q: float
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var r: float
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func _init(_q: float, _r: float):
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q = _q
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r = _r
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func flat_hex_corner(center: Vector2, size: float, corner_num: int) -> Vector2:
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var angle_deg: int = 60 * corner_num
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var angle_rad: float = deg_to_rad(angle_deg)
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return Vector2(center.x + size * cos(angle_rad), center.y + size * sin(angle_rad))
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func flat_hex_to_world_position(coords: AxialCoordinates) -> Vector2:
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var x = size * (3.0/2.0 * coords.q)
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var y = size * (sqrt(3.0)/2.0 * coords.q + sqrt(3.0) * coords.r)
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return Vector2(x, y)
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#func world_to_hex_tile(world_pos: Vector3) -> Vector2:
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# var q = (2.0/3.0 * world_pos.x)
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# var r = (-1.0/3.0 * world_pos.x + sqrt(3.0)/3.0 * world_pos.z)
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#
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# return cube_round()
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#
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# return
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func world_to_hex_tile(coords: Vector2) -> AxialCoordinates:
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var q = (2.0/3.0 * coords.x) / size
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var r = (-1.0/3.0 * coords.x + sqrt(3.0)/3.0 * coords.y) / size
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return axial_round(AxialCoordinates.new(q, r))
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func axial_to_cube(coords: AxialCoordinates) -> CubeCoordinates:
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var q = coords.q
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var r = coords.r
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var s = -q-r
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return CubeCoordinates.new(q, r, s)
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func cube_to_axial(coords: CubeCoordinates) -> AxialCoordinates:
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var q = coords.q
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var r = coords.r
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return AxialCoordinates.new(q, r)
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func axial_round(coords: AxialCoordinates) -> AxialCoordinates:
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return cube_to_axial(cube_round(axial_to_cube(coords)))
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func cube_round(coords: CubeCoordinates) -> CubeCoordinates:
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var q: float = round(coords.q)
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var r: float = round(coords.r)
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var s: float = round(coords.s)
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var q_diff: float = abs(q - coords.q)
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var r_diff: float = abs(r - coords.r)
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var s_diff: float = abs(s - coords.s)
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if q_diff > r_diff and q_diff > s_diff:
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q = -r-s
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elif r_diff > s_diff:
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r = -q-s
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else:
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s = -q-r
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return CubeCoordinates.new(q, r, s)
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@export var dragging_intersect_plane_normal: Vector3 = Vector3.UP
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@export var dragging_intersect_plane_distance: float = 0.0
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func get_3d_pos(position2D: Vector2):
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return Plane(dragging_intersect_plane_normal, dragging_intersect_plane_distance).intersects_ray(get_viewport().get_camera_3d().project_ray_origin(position2D), get_viewport().get_camera_3d().project_ray_normal(position2D))
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func _ready() -> void:
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pass
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#for x in range(-0, 1):
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# for y in range(-0, 10):
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# var hex_pos = flat_hex_to_world_position(AxialCoordinates.new(x, y))
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# var new_hex = hex.duplicate()
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# new_hex.position = Vector3(hex_pos.x, 0.0, hex_pos.y)
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# var hex_id = world_to_hex_tile(Vector2(hex_pos.x, hex_pos.y))
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# new_hex.get_node("Label3D").text = "%d, %d" % [hex_id.q, hex_id.r]
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# add_child(new_hex)
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func spawn_random_tile() -> void:
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var tile_copy = hex.duplicate()
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var hex_pos = flat_hex_to_world_position(AxialCoordinates.new(randi_range(-20, 20), randi_range(-20, 20)))
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tile_copy.position = Vector3(hex_pos.x, 20.0, hex_pos.y)
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var target_pos = Vector3(hex_pos.x, 0.0, hex_pos.y)
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add_child(tile_copy)
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var tween = get_tree().create_tween()
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tween.tween_property(tile_copy, "position", target_pos, 1.0).set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_EXPO)
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func move_tile_to_random_position() -> void:
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var new_hex_pos = flat_hex_to_world_position(AxialCoordinates.new(randi_range(-20, 20), randi_range(-20, 20)))
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var sky_new_hex_pos = Vector3(new_hex_pos.x, 20.0, new_hex_pos.y)
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var ground_new_hex_pos = Vector3(new_hex_pos.x, 0.0, new_hex_pos.y)
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var current_hex_pos = hex.position
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var sky_current_hex_pos = hex.position + Vector3(0.0, 20.0, 0.0)
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var tween = get_tree().create_tween()
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tween.tween_property(hex, "position", sky_current_hex_pos, 0.5).set_ease(Tween.EASE_IN).set_trans(Tween.TRANS_EXPO)
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tween.tween_property(hex, "position", sky_new_hex_pos, 0.0)
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tween.tween_property(hex, "position", ground_new_hex_pos, 1.0).set_ease(Tween.EASE_OUT).set_trans(Tween.TRANS_EXPO)
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func _process(delta) -> void:
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if Input.is_action_just_pressed("ui_accept"):
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print("yay")
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spawn_random_tile()
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var pos3d = get_3d_pos(get_viewport().get_mouse_position())
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return
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if pos3d:
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var hex_pos = flat_hex_to_world_position(world_to_hex_tile(Vector2(pos3d.x, pos3d.z)))
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hex.position = Vector3(hex_pos.x, 0.0, hex_pos.y)
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coord_label.text = "%d, %d" % [hex_pos.x, hex_pos.y]
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