simple grid for 3d (ImmediateGeometry)

grid.gd

extends ImmediateGeometry

export var offset = 0.01
export var grid_step = 1
export var grid_size = 10

func _ready():
	begin(Mesh.PRIMITIVE_LINES)
	var half_grid_size = grid_size/2.0
	for i in range(-half_grid_size, half_grid_size+1):
		add_vertex(Vector3(-half_grid_size*grid_step, offset, i*grid_step))
		add_vertex(Vector3(half_grid_size*grid_step, offset, i*grid_step))
		add_vertex(Vector3(i*grid_step, offset, -half_grid_size*grid_step))
		add_vertex(Vector3(i*grid_step, offset, half_grid_size*grid_step))

	end()