extends MeshInstance

var t = 0.0
var mat

var lights = [
	[Vector3(6,-4.5,-2.25),Vector3.ZERO],
	[Vector3(10,-4.5,-4),Vector3.ZERO],
	[Vector3(6,-4.5,-6.25),Vector3.ZERO],
	[Vector3(10,-4.5,-8),Vector3.ZERO]
]

func _ready():
	for light in lights:
		light[0] = to_global(light[0])
	mat = get_surface_material(1)

func _process(delta):
	t += delta
	lights[0][1] = Vector3(1,0,0)*(sin(t*4)/2+0.5)
	lights[1][1] = Vector3(0,1,0)*(sin(t*5.123)/2+0.5)
	lights[2][1] = Vector3(0,0,1)*(sin(t*6.7)/2+0.5)
	lights[3][1] = Vector3(1,0.5,0)*(sin(t*3.141)/2+0.5)
	mat.set_shader_param("col1",lights[0][1])
	mat.set_shader_param("col2",lights[1][1])
	mat.set_shader_param("col3",lights[2][1])
	mat.set_shader_param("col4",lights[3][1])