class_name TerrainGeneration
extends Node

var mesh : MeshInstance3D
var size_depth : int = 100
var size_width : int = 100
var mesh_res : int = 2


# Called when the node enters the scene tree for the first time.
func _ready():
	generate()

func generate():
	var plane_mesh = PlaneMesh.new()
	plane_mesh.size = Vector2(size_width, size_depth)
	plane_mesh.subdivide_depth = size_depth * mesh_res
	plane_mesh.subdivide_width = size_width * mesh_res
	plane_mesh.material = preload("res://ProceduralGeneration/Materials/terrain.tres")
	
	var surface = SurfaceTool.new()

	surface.create_from(plane_mesh, 0)

	mesh = MeshInstance3D.new()
	mesh.mesh = surface.commit()
	mesh.create_trimesh_collision()
	mesh.cast_shadow = GeometryInstance3D.SHADOW_CASTING_SETTING_OFF

	mesh.add_to_group("NavSource")
	add_child(mesh)