tool
extends "res://addons/procedural_material/node_base.gd"

var waves = 1.0
var sharpness = 1.0

func _ready():
	set_slot(0, false, 0, Color(0.5, 0.5, 1), true, 0, Color(0.5, 0.5, 1))
	initialize_properties([ $waves, $sharpness ])

func _get_shader_code(uv):
	var rv = { defs="", code="" }
	if generated_variants.empty():
		rv.defs = "float "+name+"_f(vec2 uv) { return sine(uv, "+str(waves)+", "+str(sharpness)+"); }\n"
	var variant_index = generated_variants.find(uv)
	if variant_index == -1:
		variant_index = generated_variants.size()
		generated_variants.append(uv)
		rv.code = "float "+name+"_"+str(variant_index)+"_f = "+name+"_f("+uv+");\n"
	rv.f = name+"_"+str(variant_index)+"_f"
	return rv