demos/2d/platformer/moving_platform.gd


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extends Node2D

# Member variables
export var motion = Vector2()
export var cycle = 1.0
var accum = 0.0


func _fixed_process(delta):
	accum += delta*(1.0/cycle)*PI*2.0
	accum = fmod(accum, PI*2.0)
	var d = sin(accum)
	var xf = Matrix32()
	xf[2]= motion*d 
	get_node("platform").set_transform(xf)


func _ready():
	set_fixed_process(true)