process function

func _process(_delta):
    print( "Frame " + str(sprite.frame) )
    print( "Anim Length " + str(sprite.sprite_frames.get_frame_count(sprite.animation)-1.0) )
    print( "Resulting Frame " + str((sprite.frame+0.0)/(sprite.sprite_frames.get_frame_count(sprite.animation)-1.0) ))
    afterimages.process_material.set_shader_parameter( "tex_anim_offset", (sprite.frame+0.0)/(sprite.sprite_frames.get_frame_count(sprite.animation)-1.0) )