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fix: add examples and test
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-148
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‎.github/Dockerfile‎

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@@ -10,7 +10,8 @@ ARG VARIANT="1.17-alpine"
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FROM golang:${VARIANT}
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RUN apk add --no-cache \
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git \
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mesa-dev \
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pkgconfig \
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alpine-sdk \
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build-base
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‎.github/go-mod-tidy.sh‎

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set -eu
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echo '* Current Go version:' $(go version)
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echo '* Current Go version:' "$(go version)"
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echo '* Backup modules ...'
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mv go.mod go.mod.bak

‎README.md‎

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@@ -211,8 +211,8 @@ for z := 0; z < frame; z++ {
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### License
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- [Go-Noise](https://github.com/KEINOS/go-noise): [MIT](https://github.com/KEINOS/go-noise/blob/main/LICENSE), Copyright 2022- [KEINOS and the Go-Noise Contributors](https://github.com/KEINOS/go-noise/graphs/contributors).
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- [Go-Perlin](https://github.com/aquilax/go-perlin): [MIT](https://github.com/aquilax/go-perlin/blob/master/LICENSE), Copyright 2019- [Evgeniy Vasilev and his contributors](https://github.com/aquilax/go-perlin/graphs/contributors).
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- [Go-Noise](https://github.com/KEINOS/go-noise): [MIT](https://github.com/KEINOS/go-noise/blob/main/LICENSE), Copyright 2022 [KEINOS and the Go-Noise Contributors](https://github.com/KEINOS/go-noise/graphs/contributors).
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- [Go-Perlin](https://github.com/aquilax/go-perlin): [MIT](https://github.com/aquilax/go-perlin/blob/master/LICENSE), Copyright 2022 [Evgeniy Vasilev and his contributors](https://github.com/aquilax/go-perlin/graphs/contributors).
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- [OpenSimplex-Go](https://github.com/ojrac/opensimplex-go): [The Unlicense](https://github.com/ojrac/opensimplex-go/blob/main/LICENSE), By [Owen Raccuglia and his contributors](https://github.com/ojrac/opensimplex-go/graphs/contributors). Port of [Java implementation of OpenSimplex Noise](https://gist.github.com/KdotJPG/b1270127455a94ac5d19).
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- [Perlin Noise](https://en.wikipedia.org/wiki/Perlin_noise) and [Simplex Noise](https://en.wikipedia.org/wiki/Simplex_noise) are the algorithms developed by [Ken Perlin](https://en.wikipedia.org/wiki/Ken_Perlin). [OpenSimplex Noise](https://en.wikipedia.org/wiki/OpenSimplex_noise) is a [Kurt Spencer](https://github.com/KdotJPG/)'s [open sourced](https://gist.github.com/KdotJPG/b1270127455a94ac5d19#file-unlicense) [Java implementation](https://uniblock.tumblr.com/post/97868843242/noise).
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- Go modules used in this package: [go.mod](https://github.com/KEINOS/go-noise/blob/main/go.mod)

‎example_test.go‎

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@@ -31,6 +31,56 @@ func ExampleNew() {
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}
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}
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// ----------------------------------------------------------------------------
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// Custom Noise (User-Defind Fucntion)
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// ----------------------------------------------------------------------------
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38+
func ExampleNew_assign_user_defined_function() {
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const seed = 100
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// Create a noise generator.
42+
gen, err := noise.New(noise.Custom, seed)
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if err != nil {
44+
log.Fatal(err)
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}
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// rnd is a random number generator.
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var rnd *rand.Rand
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// Define user function to generate custom noise.
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// Here we define a function that returns a pseudo-random value from the
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// given seed and itereate 'dim' times.
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myFunc := func(seed int64, dim ...float32) float32 {
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if rnd == nil {
55+
//nolint:gosec // Use of weak random number generation is intended here.
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rnd = rand.New(rand.NewSource(seed))
57+
}
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59+
for i := 0; i < len(dim); i++ {
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max := int(dim[i])
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for ii := 0; ii < max; ii++ {
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_ = rnd.Float32()
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}
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}
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// Generate a pseudo-random number.
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v := rnd.Float32()
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return v*2 - 1 // Convert [0.0,1.0] to [-1.0,1.0]
71+
}
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// Assign user-defined function
74+
if err := gen.SetEval32(myFunc); err != nil {
75+
log.Fatal(err)
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}
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// Get noise value at (1, 2, 3)
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fmt.Println(gen.Eval32(1, 2, 3))
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// Output: -0.1159181
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}
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// ----------------------------------------------------------------------------
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// OpenSimplex Noise
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// ----------------------------------------------------------------------------

‎go.mod‎

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@@ -10,20 +10,7 @@ require (
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)
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require (
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gioui.org v0.0.0-20210308172011-57750fc8a0a6 // indirect
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git.sr.ht/~sbinet/gg v0.3.1 // indirect
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github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
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github.com/davecgh/go-spew v1.1.0 // indirect
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github.com/go-fonts/liberation v0.2.0 // indirect
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github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 // indirect
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github.com/go-pdf/fpdf v0.6.0 // indirect
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 // indirect
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golang.org/x/image v0.0.0-20220302094943-723b81ca9867 // indirect
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golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 // indirect
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golang.org/x/text v0.3.7 // indirect
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gonum.org/v1/plot v0.11.0 // indirect
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
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rsc.io/pdf v0.1.1 // indirect
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)

‎go.sum‎

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@@ -1,105 +1,17 @@
1-
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
2-
gioui.org v0.0.0-20210308172011-57750fc8a0a6 h1:K72hopUosKG3ntOPNG4OzzbuhxGuVf06fa2la1/H/Ho=
3-
gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
4-
git.sr.ht/~sbinet/gg v0.3.1 h1:LNhjNn8DerC8f9DHLz6lS0YYul/b602DUxDgGkd/Aik=
5-
git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
6-
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
7-
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
8-
github.com/ajstarks/deck v0.0.0-20200831202436-30c9fc6549a9/go.mod h1:JynElWSGnm/4RlzPXRlREEwqTHAN3T56Bv2ITsFT3gY=
9-
github.com/ajstarks/deck/generate v0.0.0-20210309230005-c3f852c02e19/go.mod h1:T13YZdzov6OU0A1+RfKZiZN9ca6VeKdBdyDV+BY97Tk=
10-
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b h1:slYM766cy2nI3BwyRiyQj/Ud48djTMtMebDqepE95rw=
11-
github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b/go.mod h1:1KcenG0jGWcpt8ov532z81sp/kMMUG485J2InIOyADM=
121
github.com/aquilax/go-perlin v1.1.0 h1:Gg+3jQ24wT4Y5GI7TCRLmYarzUG0k+n/JATFqOimb7s=
132
github.com/aquilax/go-perlin v1.1.0/go.mod h1:z9Rl7EM4BZY0Ikp2fEN1I5mKSOJ26HQpk0O2TBdN2HE=
14-
github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
15-
github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
163
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
174
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
18-
github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
19-
github.com/go-fonts/dejavu v0.1.0/go.mod h1:4Wt4I4OU2Nq9asgDCteaAaWZOV24E+0/Pwo0gppep4g=
20-
github.com/go-fonts/latin-modern v0.2.0/go.mod h1:rQVLdDMK+mK1xscDwsqM5J8U2jrRa3T0ecnM9pNujks=
21-
github.com/go-fonts/liberation v0.2.0 h1:jAkAWJP4S+OsrPLZM4/eC9iW7CtHy+HBXrEwZXWo5VM=
22-
github.com/go-fonts/liberation v0.2.0/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY=
23-
github.com/go-fonts/stix v0.1.0/go.mod h1:w/c1f0ldAUlJmLBvlbkvVXLAD+tAMqobIIQpmnUIzUY=
24-
github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
25-
github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 h1:6zl3BbBhdnMkpSj2YY30qV3gDcVBGtFgVsV3+/i+mKQ=
26-
github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81/go.mod h1:SX0U8uGpxhq9o2S/CELCSUxEWWAuoCUcVCQWv7G2OCk=
27-
github.com/go-pdf/fpdf v0.5.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhOh5M=
28-
github.com/go-pdf/fpdf v0.6.0 h1:MlgtGIfsdMEEQJr2le6b/HNr1ZlQwxyWr77r2aj2U/8=
29-
github.com/go-pdf/fpdf v0.6.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhOh5M=
30-
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
31-
github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
32-
github.com/jung-kurt/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
33-
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
345
github.com/ojrac/opensimplex-go v1.0.2 h1:l4vs0D+JCakcu5OV0kJ99oEaWJfggSc9jiLpxaWvSzs=
356
github.com/ojrac/opensimplex-go v1.0.2/go.mod h1:NwbXFFbXcdGgIFdiA7/REME+7n/lOf1TuEbLiZYOWnM=
36-
github.com/phpdave11/gofpdf v1.4.2/go.mod h1:zpO6xFn9yxo3YLyMvW8HcKWVdbNqgIfOOp2dXMnm1mY=
37-
github.com/phpdave11/gofpdi v1.0.12/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
38-
github.com/phpdave11/gofpdi v1.0.13/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
39-
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
407
github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
418
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
429
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
4310
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
44-
github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58/go.mod h1:6lfFZQK844Gfx8o5WFuvpxWRwnSoipWe/p622j1v06w=
45-
github.com/ruudk/golang-pdf417 v0.0.0-20201230142125-a7e3863a1245/go.mod h1:pQAZKsJ8yyVxGRWYNEm9oFB8ieLgKFnamEyDmSA0BRk=
4611
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
47-
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
4812
github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
4913
github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
50-
github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
51-
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
52-
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
53-
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
54-
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
55-
golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
56-
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3 h1:n9HxLrNxWWtEb1cA950nuEEj3QnKbtsCJ6KjcgisNUs=
57-
golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3/go.mod h1:NOZ3BPKG0ec/BKJQgnvsSFpcKLM5xXVWnvZS97DWHgE=
58-
golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
59-
golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
60-
golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
61-
golang.org/x/image v0.0.0-20200119044424-58c23975cae1/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
62-
golang.org/x/image v0.0.0-20200430140353-33d19683fad8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
63-
golang.org/x/image v0.0.0-20200618115811-c13761719519/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
64-
golang.org/x/image v0.0.0-20201208152932-35266b937fa6/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
65-
golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
66-
golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
67-
golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
68-
golang.org/x/image v0.0.0-20220302094943-723b81ca9867 h1:TcHcE0vrmgzNH1v3ppjcMGbhG5+9fMuvOmUYwNEF4q4=
69-
golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
70-
golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
71-
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
72-
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
73-
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
74-
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
75-
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
76-
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
77-
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
78-
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
79-
golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
80-
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
81-
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
82-
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
83-
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197 h1:7+SpRyhoo46QjKkYInQXpcfxx3TYFEYkn131lwGE9/0=
84-
golang.org/x/sys v0.0.0-20210304124612-50617c2ba197/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
85-
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
86-
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
87-
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
88-
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
89-
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
90-
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
91-
golang.org/x/tools v0.0.0-20190927191325-030b2cf1153e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
92-
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
93-
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
94-
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
95-
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
96-
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
97-
gonum.org/v1/plot v0.11.0 h1:z2ZkgNqW34d0oYUzd80RRlc0L9kWtenqK4kflZG1lGc=
98-
gonum.org/v1/plot v0.11.0/go.mod h1:fH9YnKnDKax0u5EzHVXvhN5HJwtMFWIOLNuhgUahbCQ=
9914
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
10015
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
10116
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
10217
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
103-
honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
104-
rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
105-
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

‎pkg/custom/example_test.go‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,7 @@ import (
1717
//nolint:dupl // This example is intentionally duplicated.
1818
func ExampleGenerator_SetEval32() {
1919
const seed = int64(12345)
20+
2021
var rnd *rand.Rand
2122

2223
// Instantiate a new noise generator.
@@ -26,6 +27,7 @@ func ExampleGenerator_SetEval32() {
2627
// It generates pseudo-random numbers between -1 and 1.
2728
myCustomFunc := func(seed int64, dim ...float32) float32 {
2829
if rnd == nil {
30+
//nolint:gosec // Use of weak random number generation is intended for simple examples.
2931
rnd = rand.New(rand.NewSource(seed))
3032
}
3133

@@ -38,7 +40,6 @@ func ExampleGenerator_SetEval32() {
3840
}
3941

4042
// Generate a pseudo-random number.
41-
//nolint:gosec // Use of weak random number generation is intended for simple examples.
4243
v := rnd.Float32()
4344

4445
return v*2 - 1 // Convert [0.0,1.0] to [-1.0,1.0]
@@ -67,6 +68,7 @@ func ExampleGenerator_SetEval32() {
6768
//nolint:dupl // This example is intentionally duplicated.
6869
func ExampleGenerator_SetEval64() {
6970
const seed = int64(12345)
71+
7072
var rnd *rand.Rand
7173

7274
// Instantiate a new noise generator.
@@ -75,6 +77,7 @@ func ExampleGenerator_SetEval64() {
7577
// User custom function.
7678
myCustomFunc := func(seed int64, dim ...float64) float64 {
7779
if rnd == nil {
80+
//nolint:gosec // Use of weak random number generation is intended for simple examples.
7881
rnd = rand.New(rand.NewSource(seed))
7982
}
8083

@@ -87,7 +90,6 @@ func ExampleGenerator_SetEval64() {
8790
}
8891

8992
// Generate a pseudo-random number.
90-
//nolint:gosec // Use of weak random number generation is intended for simple examples.
9193
v := rnd.Float64()
9294

9395
return v*2 - 1 // Convert [0.0,1.0] to [-1.0,1.0]

‎pkg/opensimplex/example_test.go‎

Lines changed: 45 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -2,12 +2,13 @@ package opensimplex_test
22

33
import (
44
"fmt"
5+
"log"
56

67
"github.com/KEINOS/go-noise/pkg/opensimplex"
78
)
89

910
// -----------------------------------------------------------------------------
10-
// Noise.Eval32 implementation test
11+
// Generator.Eval32 implementation test
1112
// -----------------------------------------------------------------------------
1213

1314
func ExampleNew_eval32_one_dimmention() {
@@ -83,9 +84,7 @@ func ExampleNew_eval32_three_dimmentions() {
8384
}
8485

8586
func ExampleNew_eval32_more_than_three_dimmentions() {
86-
const (
87-
seed = 100
88-
)
87+
const seed = 100
8988

9089
p := opensimplex.New(seed)
9190

@@ -97,7 +96,7 @@ func ExampleNew_eval32_more_than_three_dimmentions() {
9796
}
9897

9998
// -----------------------------------------------------------------------------
100-
// Noise.Eval64 implementation test
99+
// Generator.Eval64 implementation test
101100
// -----------------------------------------------------------------------------
102101

103102
func ExampleNew_eval64_one_dimmention() {
@@ -182,9 +181,7 @@ func ExampleNew_eval64_three_dimmentions() {
182181
}
183182

184183
func ExampleNew_eval64_more_than_three_dimmentions() {
185-
const (
186-
seed = 100
187-
)
184+
const seed = 100
188185

189186
p := opensimplex.New(seed)
190187

@@ -194,3 +191,43 @@ func ExampleNew_eval64_more_than_three_dimmentions() {
194191

195192
// Output: 0
196193
}
194+
195+
func ExampleGenerator_SetEval32() {
196+
const seed = 100
197+
198+
p := opensimplex.New(seed)
199+
200+
// User-defined functions cannot be assigned to OpenSimplex types. Use Custom type instead.
201+
err := p.SetEval32(func(seed int64, dim ...float32) float32 {
202+
return 0
203+
})
204+
205+
if err == nil {
206+
log.Fatal("OpenSimplex type should return an error on SetEval32")
207+
}
208+
209+
fmt.Println(err.Error())
210+
211+
// Output:
212+
// float32 evaluation function is already set. You can not set custom function in OpenSimplex type
213+
}
214+
215+
func ExampleGenerator_SetEval64() {
216+
const seed = 100
217+
218+
p := opensimplex.New(seed)
219+
220+
// User-defined functions cannot be assigned to OpenSimplex types. Use Custom type instead.
221+
err := p.SetEval64(func(seed int64, dim ...float64) float64 {
222+
return 0
223+
})
224+
225+
if err == nil {
226+
log.Fatal("OpenSimplex type should return an error on SetEval32")
227+
}
228+
229+
fmt.Println(err.Error())
230+
231+
// Output:
232+
// float64 evaluation function is already set. You can not set custom function in OpenSimplex type
233+
}

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