28 lines
878 B
GDScript
28 lines
878 B
GDScript
tool
|
|
extends "res://addons/procedural_material/node_base.gd"
|
|
|
|
var size = 4
|
|
var density = 0.5
|
|
|
|
func _ready():
|
|
$HBoxContainer1/size.clear()
|
|
for i in range(7):
|
|
$HBoxContainer1/size.add_item(str(int(pow(2, 5+i))), i)
|
|
$HBoxContainer1/size.selected = size
|
|
initialize_properties([ $HBoxContainer1/size, $HBoxContainer2/density ])
|
|
|
|
func _get_shader_code(uv):
|
|
var rv = { defs="", code="" }
|
|
if generated_variants.empty():
|
|
rv.defs = "float %s_f(vec2 uv) { return dots(uv, %.9f, %.9f, %d); }\n" % [ name, 1.0/pow(2.0, 5.0+size), density, get_seed() ]
|
|
var variant_index = generated_variants.find(uv)
|
|
if variant_index == -1:
|
|
variant_index = generated_variants.size()
|
|
generated_variants.append(uv)
|
|
rv.code = "float %s_%d_f = %s_f(%s);\n" % [ name, variant_index, name, uv ]
|
|
rv.f = "%s_%d_f" % [ name, variant_index ]
|
|
return rv
|
|
|
|
func _on_offset_changed():
|
|
update_shaders()
|