A test to see if my procedural mesh can handle materials that include depth and normal maps in Godot

ProceduralMaterialTest

extends Spatial

export (Material) var material : Material
var vertices := []
var uvs := []

func _ready():
	generate()
	
func generate(): # generates the mesh and adds as a child
	var st := SurfaceTool.new()
	
	st.begin(Mesh.PRIMITIVE_TRIANGLES) # begin
	st.set_material(material) #set material
	
	make_quad(Vector3.ZERO, Vector2.ONE * 10.0) # setup the vertex + uv data
	
	for i in range(vertices.size()): # apply vertices and uvs to SurfaceTool
		st.add_uv(uvs[i])
		st.add_vertex(vertices[i])
		
	st.generate_normals() # generate normals
	
	var mesh := st.commit() # setup mesh
	
	var meshinst := MeshInstance.new() # create a mesh instance
	meshinst.mesh = mesh # set mesh to mesh instance
	add_child(meshinst) # add mesh instance to the spatial


func make_quad(position : Vector3, size : Vector2): # makes a simple quad at position with provided size
	vertices.push_back(Vector3(position.x, 0, position.z + size.y))
	vertices.push_back(Vector3(position.x, 0, position.z))
	vertices.push_back(Vector3(position.x + size.x, 0, position.z))
	
	vertices.push_back(Vector3(position.x, 0, position.z + size.y))
	vertices.push_back(Vector3(position.x + size.x, 0, position.z))
	vertices.push_back(Vector3(position.x + size.x, 0, position.z + size.y))
	
	uvs.push_back(Vector2(0,0))
	uvs.push_back(Vector2(0,1))
	uvs.push_back(Vector2(1,1))
	
	uvs.push_back(Vector2(0,0))
	uvs.push_back(Vector2(1,1))
	uvs.push_back(Vector2(1,0))