Godot MeshArray generation tool scrip

tool
extends MeshInstance

var meshArray: = ArrayMesh.new()

export (bool) var generate:bool = false setget set_generate

var points: = [
	Vector3(-0.7, 0, -0.7),
	Vector3(-0.3, 0, 0.8),
	Vector3(0.8, 0, -0.3),
	Vector3(0, -1, 0),
	]


func set_generate(_value:bool)->void:
	generate = false
	var arr = []
	arr.resize(Mesh.ARRAY_MAX)
	var vertex: = PoolVector3Array(points)
	var indexes: = PoolIntArray([0,1,3,1,2,3,2,0,3,2,1,0 ])
	var normals: = []
	arr[Mesh.ARRAY_VERTEX] = vertex
	arr[Mesh.ARRAY_INDEX] = indexes
	for point in points:
		normals.append(point.normalized())
	arr[Mesh.ARRAY_NORMAL] = PoolVector3Array(normals)

	meshArray.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arr)
	mesh = meshArray