material-maker/addons/procedural_material/nodes/normal_map.gd
RodZill4 a946206a34 Material export and usability improvements
Refactored rendering of textures for save and exporting material now saves all textures.
Added an option to start a clear the project, and proper "save" and "save as..." options.
Added support for disconnects.
2018-08-03 08:16:38 +02:00

35 lines
1.8 KiB
GDScript

tool
extends "res://addons/procedural_material/node_base.gd"
var amount = 0.0
func _ready():
set_slot(0, true, 0, Color(0.5, 0.5, 1), true, 0, Color(0.5, 0.5, 1))
set_slot(1, true, 0, Color(0.5, 0.5, 1), false, 0, Color(0.5, 0.5, 1))
initialize_properties([ $amount ])
func _get_shader_code(uv):
var rv = { defs="", code="" }
var src = get_source()
if src == null:
return rv
var variant_index = generated_variants.find(uv)
if variant_index == -1:
var epsilon = 0.005
variant_index = generated_variants.size()
generated_variants.append(uv)
var src_code_tl = src.get_shader_code(uv+"+vec2(-%.9f, -%.9f)" % [ epsilon, epsilon ])
var src_code_l = src.get_shader_code(uv+"+vec2(-%.9f, 0.0)" % [ epsilon, ])
var src_code_bl = src.get_shader_code(uv+"+vec2(-%.9f, %.9f)" % [ epsilon, epsilon ])
var src_code_tr = src.get_shader_code(uv+"+vec2(%.9f, -%.9f)" % [ epsilon, epsilon ])
var src_code_r = src.get_shader_code(uv+"+vec2(%.9f, 0.0)" % [ epsilon ])
var src_code_br = src.get_shader_code(uv+"+vec2(%.9f, %.9f)" % [ epsilon, epsilon ])
var src_code_t = src.get_shader_code(uv+"+vec2(0.0, -%.9f)" % [ epsilon ])
var src_code_b = src.get_shader_code(uv+"+vec2(0.0, %.9f)" % [ epsilon ])
rv.defs = src_code_tl.defs
rv.code = src_code_tl.code+src_code_l.code+src_code_bl.code+src_code_tr.code
rv.code += src_code_r.code+src_code_br.code+src_code_t.code+src_code_b.code
rv.code += "vec3 %s_%d_rgb = vec3(0.5, 0.5, 0.5) + 0.5*normalize(%.9f*vec3(%s+2.0*%s+%s-%s-2.0*%s-%s, %s+2.0*%s+%s-%s-2.0*%s-%s, 0.0) + vec3(0.0, 0.0, -1.0));\n" % [ name, variant_index, amount, src_code_tr.f, src_code_r.f, src_code_br.f, src_code_tl.f, src_code_l.f, src_code_bl.f, src_code_bl.f, src_code_b.f, src_code_br.f, src_code_tl.f, src_code_t.f, src_code_tr.f ]
rv.rgb = name+"_"+str(variant_index)+"_rgb"
return rv