go-go gadget drone
This commit is contained in:
parent
b28ba54d4c
commit
d8bbfda775
17
.drone.yaml
Normal file
17
.drone.yaml
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pipeline:
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build:
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image: golang
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environment:
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- GOOS=linux
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- GOARCH=arm
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- GOARM=7
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commands:
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- go build
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publish:
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image: plugins/docker
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repo: deadbeef.codes:5000/mandelmap
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registry: deadbeef.codes:5000
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auto_tag: true
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auto_tag_suffix: linux-rpi3
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346
color.go
346
color.go
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package main
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import (
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"image/color"
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)
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type Color struct {
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Step float64
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Color color.Color
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}
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type ColorMap struct {
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Keyword string
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Colors []Color
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}
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var ColorPalettes = []ColorMap{
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{"AfternoonBlue", []Color{
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{0.0, color.RGBA{0x93, 0xd2, 0xca, 0xff}},
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{0.2, color.RGBA{0x6c, 0x98, 0xb8, 0xff}},
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{0.5, color.RGBA{0x38, 0x68, 0x85, 0xff}},
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{0.8, color.RGBA{0x17, 0x4f, 0x72, 0xff}},
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{1.0, color.RGBA{0x08, 0x2a, 0x4f, 0xff}},
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}},
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{"SummerBeach", []Color{
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{0.0, color.RGBA{0xff, 0xf0, 0x94, 0xff}},
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{0.3, color.RGBA{0xff, 0xb7, 0x2d, 0xff}},
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{0.6, color.RGBA{0xff, 0x8d, 0x00, 0xff}},
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{0.8, color.RGBA{0x2d, 0x69, 0xae, 0xff}},
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{1.0, color.RGBA{0x1e, 0x2c, 0x60, 0xff}},
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}},
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{"Biochimist", []Color{
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Color{Color: color.RGBA{0x51, 0x99, 0x25, 0xff}},
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Color{Color: color.RGBA{0x50, 0xa6, 0x1c, 0xff}},
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Color{Color: color.RGBA{0x4b, 0xb8, 0x0b, 0xff}},
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Color{Color: color.RGBA{0x4d, 0xcd, 0x00, 0xff}},
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Color{Color: color.RGBA{0x53, 0xdf, 0x00, 0xff}},
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}},
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{"Fiesta", []Color{
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Color{Color: color.RGBA{0x03, 0x67, 0xa6, 0xff}},
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Color{Color: color.RGBA{0x04, 0xad, 0xbf, 0xff}},
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Color{Color: color.RGBA{0x93, 0xa6, 0x03, 0xff}},
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Color{Color: color.RGBA{0xe5, 0xce, 0x1b, 0xff}},
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Color{Color: color.RGBA{0xc8, 0x3f, 0x2a, 0xff}},
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}},
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{"Hippi", []Color{
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Color{Color: color.RGBA{0x00, 0x04, 0x0f, 0xff}},
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Color{Color: color.RGBA{0x03, 0x26, 0x28, 0xff}},
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Color{Color: color.RGBA{0x07, 0x3e, 0x1e, 0xff}},
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Color{Color: color.RGBA{0x18, 0x55, 0x08, 0xff}},
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Color{Color: color.RGBA{0x5f, 0x6e, 0x0f, 0xff}},
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Color{Color: color.RGBA{0x84, 0x50, 0x19, 0xff}},
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Color{Color: color.RGBA{0x9b, 0x30, 0x22, 0xff}},
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Color{Color: color.RGBA{0xb4, 0x92, 0x2f, 0xff}},
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Color{Color: color.RGBA{0x94, 0xca, 0x3d, 0xff}},
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Color{Color: color.RGBA{0x4f, 0xd5, 0x51, 0xff}},
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Color{Color: color.RGBA{0x66, 0xff, 0xb3, 0xff}},
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Color{Color: color.RGBA{0x82, 0xc9, 0xe5, 0xff}},
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Color{Color: color.RGBA{0x9d, 0xa3, 0xeb, 0xff}},
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Color{Color: color.RGBA{0xd7, 0xb5, 0xf3, 0xff}},
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Color{Color: color.RGBA{0xfd, 0xd6, 0xf6, 0xff}},
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Color{Color: color.RGBA{0xff, 0xf0, 0xf2, 0xff}},
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}},
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{"Vivid", []Color{
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Color{Color: color.RGBA{0x02, 0x3b, 0x2b, 0xff}},
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Color{Color: color.RGBA{0x36, 0x34, 0x48, 0xff}},
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Color{Color: color.RGBA{0x04, 0x8b, 0x64, 0xff}},
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Color{Color: color.RGBA{0x81, 0x6a, 0x6e, 0xff}},
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Color{Color: color.RGBA{0x8d, 0x5e, 0x67, 0xff}},
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Color{Color: color.RGBA{0x98, 0x52, 0x60, 0xff}},
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Color{Color: color.RGBA{0xa4, 0x46, 0x59, 0xff}},
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Color{Color: color.RGBA{0xd3, 0x17, 0x3d, 0xff}},
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Color{Color: color.RGBA{0xe1, 0x08, 0x34, 0xff}},
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Color{Color: color.RGBA{0xde, 0x17, 0x30, 0xff}},
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Color{Color: color.RGBA{0xdc, 0x26, 0x2d, 0xff}},
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Color{Color: color.RGBA{0xd9, 0x36, 0x2a, 0xff}},
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Color{Color: color.RGBA{0xd7, 0x45, 0x27, 0xff}},
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Color{Color: color.RGBA{0xd5, 0x55, 0x24, 0xff}},
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Color{Color: color.RGBA{0xd2, 0x64, 0x21, 0xff}},
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Color{Color: color.RGBA{0xd0, 0x74, 0x1e, 0xff}},
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Color{Color: color.RGBA{0xce, 0x83, 0x1b, 0xff}},
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Color{Color: color.RGBA{0xcb, 0x92, 0x18, 0xff}},
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Color{Color: color.RGBA{0xc9, 0xa2, 0x15, 0xff}},
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Color{Color: color.RGBA{0x11, 0x03, 0x12, 0xff}},
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Color{Color: color.RGBA{0x33, 0x08, 0x35, 0xff}},
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Color{Color: color.RGBA{0xf5, 0xca, 0xf7, 0xff}},
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}},
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{"Plan9", []Color{
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Color{Color: color.RGBA{0x00, 0x00, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0x44, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0x88, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x00, 0x44, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x44, 0x44, 0xff}},
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Color{Color: color.RGBA{0x00, 0x44, 0x88, 0xff}},
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Color{Color: color.RGBA{0x00, 0x44, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x00, 0x88, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x88, 0x44, 0xff}},
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Color{Color: color.RGBA{0x00, 0x88, 0x88, 0xff}},
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Color{Color: color.RGBA{0x00, 0x88, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x00, 0xcc, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0xcc, 0x44, 0xff}},
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Color{Color: color.RGBA{0x00, 0xcc, 0x88, 0xff}},
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Color{Color: color.RGBA{0x00, 0xcc, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x00, 0xdd, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x11, 0x11, 0x11, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0x55, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0x99, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x00, 0x55, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x55, 0x55, 0xff}},
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Color{Color: color.RGBA{0x00, 0x4c, 0x99, 0xff}},
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Color{Color: color.RGBA{0x00, 0x49, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x00, 0x99, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x99, 0x4c, 0xff}},
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Color{Color: color.RGBA{0x00, 0x99, 0x99, 0xff}},
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Color{Color: color.RGBA{0x00, 0x93, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x00, 0xdd, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0xdd, 0x49, 0xff}},
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Color{Color: color.RGBA{0x00, 0xdd, 0x93, 0xff}},
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Color{Color: color.RGBA{0x00, 0xee, 0x9e, 0xff}},
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Color{Color: color.RGBA{0x00, 0xee, 0xee, 0xff}},
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Color{Color: color.RGBA{0x22, 0x22, 0x22, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0x66, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0xee, 0xff}},
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Color{Color: color.RGBA{0x00, 0x66, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x66, 0x66, 0xff}},
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Color{Color: color.RGBA{0x00, 0x55, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x00, 0x4f, 0xee, 0xff}},
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Color{Color: color.RGBA{0x00, 0xaa, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0xaa, 0x55, 0xff}},
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Color{Color: color.RGBA{0x00, 0xaa, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x00, 0x9e, 0xee, 0xff}},
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Color{Color: color.RGBA{0x00, 0xee, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0xee, 0x4f, 0xff}},
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Color{Color: color.RGBA{0x00, 0xff, 0x55, 0xff}},
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Color{Color: color.RGBA{0x00, 0xff, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x00, 0xff, 0xff, 0xff}},
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Color{Color: color.RGBA{0x33, 0x33, 0x33, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0x77, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0xbb, 0xff}},
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Color{Color: color.RGBA{0x00, 0x00, 0xff, 0xff}},
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Color{Color: color.RGBA{0x00, 0x77, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0x77, 0x77, 0xff}},
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Color{Color: color.RGBA{0x00, 0x5d, 0xbb, 0xff}},
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Color{Color: color.RGBA{0x00, 0x55, 0xff, 0xff}},
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Color{Color: color.RGBA{0x00, 0xbb, 0x00, 0xff}},
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Color{Color: color.RGBA{0x00, 0xbb, 0x5d, 0xff}},
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Color{Color: color.RGBA{0x00, 0xbb, 0xbb, 0xff}},
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Color{Color: color.RGBA{0x00, 0xaa, 0xff, 0xff}},
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Color{Color: color.RGBA{0x00, 0xff, 0x00, 0xff}},
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Color{Color: color.RGBA{0x44, 0x00, 0x44, 0xff}},
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Color{Color: color.RGBA{0x44, 0x00, 0x88, 0xff}},
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Color{Color: color.RGBA{0x44, 0x00, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x44, 0x44, 0x00, 0xff}},
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Color{Color: color.RGBA{0x44, 0x44, 0x44, 0xff}},
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Color{Color: color.RGBA{0x44, 0x44, 0x88, 0xff}},
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Color{Color: color.RGBA{0x44, 0x44, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x44, 0x88, 0x00, 0xff}},
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Color{Color: color.RGBA{0x44, 0x88, 0x44, 0xff}},
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Color{Color: color.RGBA{0x44, 0x88, 0x88, 0xff}},
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Color{Color: color.RGBA{0x44, 0x88, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x44, 0xcc, 0x00, 0xff}},
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Color{Color: color.RGBA{0x44, 0xcc, 0x44, 0xff}},
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Color{Color: color.RGBA{0x44, 0xcc, 0x88, 0xff}},
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Color{Color: color.RGBA{0x44, 0xcc, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x44, 0x00, 0x00, 0xff}},
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Color{Color: color.RGBA{0x55, 0x00, 0x00, 0xff}},
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Color{Color: color.RGBA{0x55, 0x00, 0x55, 0xff}},
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Color{Color: color.RGBA{0x4c, 0x00, 0x99, 0xff}},
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Color{Color: color.RGBA{0x49, 0x00, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x55, 0x55, 0x00, 0xff}},
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Color{Color: color.RGBA{0x55, 0x55, 0x55, 0xff}},
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Color{Color: color.RGBA{0x4c, 0x4c, 0x99, 0xff}},
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Color{Color: color.RGBA{0x49, 0x49, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x4c, 0x99, 0x00, 0xff}},
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Color{Color: color.RGBA{0x4c, 0x99, 0x4c, 0xff}},
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Color{Color: color.RGBA{0x4c, 0x99, 0x99, 0xff}},
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Color{Color: color.RGBA{0x49, 0x93, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x49, 0xdd, 0x00, 0xff}},
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Color{Color: color.RGBA{0x49, 0xdd, 0x49, 0xff}},
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Color{Color: color.RGBA{0x49, 0xdd, 0x93, 0xff}},
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Color{Color: color.RGBA{0x49, 0xdd, 0xdd, 0xff}},
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Color{Color: color.RGBA{0x4f, 0xee, 0xee, 0xff}},
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Color{Color: color.RGBA{0x66, 0x00, 0x00, 0xff}},
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Color{Color: color.RGBA{0x66, 0x00, 0x66, 0xff}},
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Color{Color: color.RGBA{0x55, 0x00, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x4f, 0x00, 0xee, 0xff}},
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Color{Color: color.RGBA{0x66, 0x66, 0x00, 0xff}},
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Color{Color: color.RGBA{0x66, 0x66, 0x66, 0xff}},
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Color{Color: color.RGBA{0x55, 0x55, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x4f, 0x4f, 0xee, 0xff}},
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Color{Color: color.RGBA{0x55, 0xaa, 0x00, 0xff}},
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Color{Color: color.RGBA{0x55, 0xaa, 0x55, 0xff}},
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Color{Color: color.RGBA{0x55, 0xaa, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x4f, 0x9e, 0xee, 0xff}},
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Color{Color: color.RGBA{0x4f, 0xee, 0x00, 0xff}},
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Color{Color: color.RGBA{0x4f, 0xee, 0x4f, 0xff}},
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Color{Color: color.RGBA{0x4f, 0xee, 0x9e, 0xff}},
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Color{Color: color.RGBA{0x55, 0xff, 0xaa, 0xff}},
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Color{Color: color.RGBA{0x55, 0xff, 0xff, 0xff}},
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Color{Color: color.RGBA{0x77, 0x00, 0x00, 0xff}},
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Color{Color: color.RGBA{0x77, 0x00, 0x77, 0xff}},
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Color{Color: color.RGBA{0x5d, 0x00, 0xbb, 0xff}},
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Color{Color: color.RGBA{0x55, 0x00, 0xff, 0xff}},
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Color{Color: color.RGBA{0x77, 0x77, 0x00, 0xff}},
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Color{Color: color.RGBA{0x77, 0x77, 0x77, 0xff}},
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Color{Color: color.RGBA{0x5d, 0x5d, 0xbb, 0xff}},
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Color{Color: color.RGBA{0x55, 0x55, 0xff, 0xff}},
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Color{Color: color.RGBA{0x5d, 0xbb, 0x00, 0xff}},
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Color{Color: color.RGBA{0x5d, 0xbb, 0x5d, 0xff}},
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Color{Color: color.RGBA{0x5d, 0xbb, 0xbb, 0xff}},
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Color{Color: color.RGBA{0x55, 0xaa, 0xff, 0xff}},
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Color{Color: color.RGBA{0x55, 0xff, 0x00, 0xff}},
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Color{Color: color.RGBA{0x55, 0xff, 0x55, 0xff}},
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Color{Color: color.RGBA{0x88, 0x00, 0x88, 0xff}},
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Color{Color: color.RGBA{0x88, 0x00, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x88, 0x44, 0x00, 0xff}},
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Color{Color: color.RGBA{0x88, 0x44, 0x44, 0xff}},
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Color{Color: color.RGBA{0x88, 0x44, 0x88, 0xff}},
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Color{Color: color.RGBA{0x88, 0x44, 0xcc, 0xff}},
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Color{Color: color.RGBA{0x88, 0x88, 0x00, 0xff}},
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Color{Color: color.RGBA{0x88, 0x88, 0x44, 0xff}},
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Color{Color: color.RGBA{0x88, 0x88, 0x88, 0xff}},
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|
||||||
Color{Color: color.RGBA{0x88, 0x88, 0xcc, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x88, 0xcc, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x88, 0xcc, 0x44, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x88, 0xcc, 0x88, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x88, 0xcc, 0xcc, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x88, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x88, 0x00, 0x44, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x00, 0x4c, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x00, 0x99, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0x00, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x4c, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x4c, 0x4c, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x4c, 0x99, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0x49, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x99, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x99, 0x4c, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x99, 0x99, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0x93, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0xdd, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0xdd, 0x49, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0xdd, 0x93, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x93, 0xdd, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x99, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x00, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x00, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0x00, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x55, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x55, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x55, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0x4f, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xaa, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xaa, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xaa, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0x9e, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0xee, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0xee, 0x4f, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0xee, 0x9e, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0x9e, 0xee, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xff, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0x00, 0x5d, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0x00, 0xbb, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x00, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0x5d, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0x5d, 0x5d, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0x5d, 0xbb, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0x55, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0xbb, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0xbb, 0x5d, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xbb, 0xbb, 0xbb, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xaa, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xff, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xff, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xaa, 0xff, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x00, 0xcc, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x44, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x44, 0x44, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x44, 0x88, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x44, 0xcc, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x88, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x88, 0x44, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x88, 0x88, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x88, 0xcc, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0xcc, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0xcc, 0x44, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0xcc, 0x88, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0xcc, 0xcc, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x00, 0x44, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xcc, 0x00, 0x88, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x00, 0x93, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x00, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x49, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x49, 0x49, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x49, 0x93, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x49, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x93, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x93, 0x49, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x93, 0x93, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x93, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0xdd, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0xdd, 0x49, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0xdd, 0x93, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0xdd, 0xdd, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xdd, 0x00, 0x49, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x00, 0x4f, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x00, 0x9e, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x00, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x4f, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x4f, 0x4f, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x4f, 0x9e, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x4f, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x9e, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x9e, 0x4f, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x9e, 0x9e, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x9e, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0xee, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0xee, 0x4f, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0xee, 0x9e, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0xee, 0xee, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xee, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x00, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x00, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x00, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x00, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x55, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x55, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x55, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0x55, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xaa, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xaa, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xaa, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xaa, 0xff, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xff, 0x00, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xff, 0x55, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xff, 0xaa, 0xff}},
|
|
||||||
Color{Color: color.RGBA{0xff, 0xff, 0xff, 0xff}},
|
|
||||||
}},
|
|
||||||
}
|
|
||||||
@ -1,7 +1,4 @@
|
|||||||
FROM resin/raspberrypi3-alpine
|
FROM resin/raspberrypi3-alpine
|
||||||
COPY mandelmapper /usr/bin
|
COPY mandelmapper /usr/bin
|
||||||
|
|
||||||
|
|
||||||
EXPOSE 6161:6161
|
EXPOSE 6161:6161
|
||||||
CMD mandelmapper
|
CMD mandelmapper
|
||||||
|
|
||||||
@ -1,3 +0,0 @@
|
|||||||
#!/bin/bash
|
|
||||||
ffmpeg -pattern_type glob -i "*.png" out.mp4
|
|
||||||
|
|
||||||
223
main.go
223
main.go
@ -1,223 +0,0 @@
|
|||||||
package main
|
|
||||||
|
|
||||||
import (
|
|
||||||
"flag"
|
|
||||||
"fmt"
|
|
||||||
"image"
|
|
||||||
"image/color"
|
|
||||||
"image/png"
|
|
||||||
"math"
|
|
||||||
"os"
|
|
||||||
"sync"
|
|
||||||
"time"
|
|
||||||
|
|
||||||
"deadbeef.codes/steven/mandelbrot/palette"
|
|
||||||
)
|
|
||||||
|
|
||||||
var (
|
|
||||||
colorPalette string
|
|
||||||
)
|
|
||||||
|
|
||||||
var waitGroup sync.WaitGroup
|
|
||||||
|
|
||||||
func init() {
|
|
||||||
//flag.Float64Var(&xpos, "xpos", -0.00275, "Point position on the real axis (defined on `x` axis)")
|
|
||||||
//flag.Float64Var(&ypos, "ypos", 0.78912, "Point position on the imaginary axis (defined on `y` axis)")
|
|
||||||
|
|
||||||
flag.StringVar(&colorPalette, "palette", "Plan9", "Hippi | Plan9 | AfternoonBlue | SummerBeach | Biochimist | Fiesta")
|
|
||||||
flag.Parse()
|
|
||||||
}
|
|
||||||
|
|
||||||
func main() {
|
|
||||||
|
|
||||||
//var escapeRadius float64 = 0.125689
|
|
||||||
//var escapeRadius float64 = 0
|
|
||||||
var escapeRadius float64 = 4
|
|
||||||
var colorStep float64 = 12000
|
|
||||||
//var xpos float64 = -0.01925
|
|
||||||
//var ypos float64 = 0.796272
|
|
||||||
var xpos float64 = -1.0
|
|
||||||
var ypos float64 = -1.0
|
|
||||||
maxIteration := 2000
|
|
||||||
imageSmoothness := 1
|
|
||||||
width := 640
|
|
||||||
height := 480
|
|
||||||
|
|
||||||
if colorStep < float64(maxIteration) {
|
|
||||||
colorStep = float64(maxIteration)
|
|
||||||
}
|
|
||||||
colors := interpolateColors(&colorPalette, colorStep)
|
|
||||||
|
|
||||||
if len(colors) > 0 {
|
|
||||||
fmt.Println("Rendering images...")
|
|
||||||
|
|
||||||
for i := 1; i <= 2000; i++ {
|
|
||||||
render(maxIteration, colors, escapeRadius, xpos, ypos, imageSmoothness, width, height, fmt.Sprintf("images/%08d.png", i))
|
|
||||||
|
|
||||||
//ypos += 0.00020
|
|
||||||
//xpos -= 0.00010
|
|
||||||
|
|
||||||
// if i%3 == 0 {
|
|
||||||
maxIteration++
|
|
||||||
// }
|
|
||||||
|
|
||||||
if i > 100 {
|
|
||||||
escapeRadius *= 0.995
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
if xpos > -1.4 {
|
|
||||||
if i > 100 {
|
|
||||||
// xpos *= 1.005
|
|
||||||
}
|
|
||||||
}
|
|
||||||
fmt.Println(xpos)
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
time.Sleep(time.Second)
|
|
||||||
}
|
|
||||||
|
|
||||||
func interpolateColors(paletteCode *string, numberOfColors float64) []color.RGBA {
|
|
||||||
var factor float64
|
|
||||||
steps := []float64{}
|
|
||||||
cols := []uint32{}
|
|
||||||
interpolated := []uint32{}
|
|
||||||
interpolatedColors := []color.RGBA{}
|
|
||||||
|
|
||||||
for _, v := range palette.ColorPalettes {
|
|
||||||
factor = 1.0 / numberOfColors
|
|
||||||
switch v.Keyword {
|
|
||||||
case *paletteCode:
|
|
||||||
if paletteCode != nil {
|
|
||||||
for index, col := range v.Colors {
|
|
||||||
if col.Step == 0.0 && index != 0 {
|
|
||||||
stepRatio := float64(index+1) / float64(len(v.Colors))
|
|
||||||
step := float64(int(stepRatio*100)) / 100 // truncate to 2 decimal precision
|
|
||||||
steps = append(steps, step)
|
|
||||||
} else {
|
|
||||||
steps = append(steps, col.Step)
|
|
||||||
}
|
|
||||||
r, g, b, a := col.Color.RGBA()
|
|
||||||
r /= 0xff
|
|
||||||
g /= 0xff
|
|
||||||
b /= 0xff
|
|
||||||
a /= 0xff
|
|
||||||
uintColor := uint32(r)<<24 | uint32(g)<<16 | uint32(b)<<8 | uint32(a)
|
|
||||||
cols = append(cols, uintColor)
|
|
||||||
}
|
|
||||||
|
|
||||||
var min, max, minColor, maxColor float64
|
|
||||||
if len(v.Colors) == len(steps) && len(v.Colors) == len(cols) {
|
|
||||||
for i := 0.0; i <= 1; i += factor {
|
|
||||||
for j := 0; j < len(v.Colors)-1; j++ {
|
|
||||||
if i >= steps[j] && i < steps[j+1] {
|
|
||||||
min = steps[j]
|
|
||||||
max = steps[j+1]
|
|
||||||
minColor = float64(cols[j])
|
|
||||||
maxColor = float64(cols[j+1])
|
|
||||||
uintColor := cosineInterpolation(maxColor, minColor, (i-min)/(max-min))
|
|
||||||
interpolated = append(interpolated, uint32(uintColor))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
for _, pixelValue := range interpolated {
|
|
||||||
r := pixelValue >> 24 & 0xff
|
|
||||||
g := pixelValue >> 16 & 0xff
|
|
||||||
b := pixelValue >> 8 & 0xff
|
|
||||||
a := 0xff
|
|
||||||
|
|
||||||
interpolatedColors = append(interpolatedColors, color.RGBA{uint8(r), uint8(g), uint8(b), uint8(a)})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return interpolatedColors
|
|
||||||
}
|
|
||||||
|
|
||||||
func render(maxIteration int, colors []color.RGBA, escapeRadius, xpos, ypos float64, imageSmoothness, width, height int, outputFile string) {
|
|
||||||
fmt.Printf("Mandelbrot set escapeRadius=%f image=%s\n", escapeRadius, outputFile)
|
|
||||||
|
|
||||||
width = width * imageSmoothness
|
|
||||||
height = height * imageSmoothness
|
|
||||||
ratio := float64(height) / float64(width)
|
|
||||||
xmin, xmax := xpos-escapeRadius/2.0, math.Abs(xpos+escapeRadius/2.0)
|
|
||||||
ymin, ymax := ypos-escapeRadius*ratio/2.0, math.Abs(ypos+escapeRadius*ratio/2.0)
|
|
||||||
|
|
||||||
image := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{width, height}})
|
|
||||||
|
|
||||||
for iy := 0; iy < height; iy++ {
|
|
||||||
waitGroup.Add(1)
|
|
||||||
go func(iy int) {
|
|
||||||
defer waitGroup.Done()
|
|
||||||
|
|
||||||
for ix := 0; ix < width; ix++ {
|
|
||||||
var x = xmin + (xmax-xmin)*float64(ix)/float64(width-1)
|
|
||||||
var y = ymin + (ymax-ymin)*float64(iy)/float64(height-1)
|
|
||||||
norm, it := mandelIteration(x, y, maxIteration)
|
|
||||||
iteration := float64(maxIteration-it) + math.Log(norm)
|
|
||||||
|
|
||||||
if int(math.Abs(iteration)) < len(colors)-1 {
|
|
||||||
color1 := colors[int(math.Abs(iteration))]
|
|
||||||
color2 := colors[int(math.Abs(iteration))+1]
|
|
||||||
color := linearInterpolation(rgbaToUint(color1), rgbaToUint(color2), uint32(iteration))
|
|
||||||
|
|
||||||
image.Set(ix, iy, uint32ToRgba(color))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}(iy)
|
|
||||||
}
|
|
||||||
|
|
||||||
waitGroup.Wait()
|
|
||||||
|
|
||||||
output, _ := os.Create(outputFile)
|
|
||||||
png.Encode(output, image)
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
func cosineInterpolation(c1, c2, mu float64) float64 {
|
|
||||||
mu2 := (1 - math.Cos(mu*math.Pi)) / 2.0
|
|
||||||
return c1*(1-mu2) + c2*mu2
|
|
||||||
}
|
|
||||||
|
|
||||||
func linearInterpolation(c1, c2, mu uint32) uint32 {
|
|
||||||
return c1*(1-mu) + c2*mu
|
|
||||||
}
|
|
||||||
|
|
||||||
func mandelIteration(cx, cy float64, maxIter int) (float64, int) {
|
|
||||||
var x, y, xx, yy float64 = 0.0, 0.0, 0.0, 0.0
|
|
||||||
|
|
||||||
for i := 0; i < maxIter; i++ {
|
|
||||||
xy := x * y
|
|
||||||
xx = x * x
|
|
||||||
yy = y * y
|
|
||||||
if xx+yy > 4 {
|
|
||||||
return xx + yy, i
|
|
||||||
}
|
|
||||||
x = xx - yy + cx
|
|
||||||
y = 2*xy + cy
|
|
||||||
}
|
|
||||||
|
|
||||||
logZn := (x*x + y*y) / 2
|
|
||||||
return logZn, maxIter
|
|
||||||
}
|
|
||||||
|
|
||||||
func rgbaToUint(color color.RGBA) uint32 {
|
|
||||||
r, g, b, a := color.RGBA()
|
|
||||||
r /= 0xff
|
|
||||||
g /= 0xff
|
|
||||||
b /= 0xff
|
|
||||||
a /= 0xff
|
|
||||||
return uint32(r)<<24 | uint32(g)<<16 | uint32(b)<<8 | uint32(a)
|
|
||||||
}
|
|
||||||
|
|
||||||
func uint32ToRgba(col uint32) color.RGBA {
|
|
||||||
r := col >> 24 & 0xff
|
|
||||||
g := col >> 16 & 0xff
|
|
||||||
b := col >> 8 & 0xff
|
|
||||||
a := 0xff
|
|
||||||
return color.RGBA{uint8(r), uint8(g), uint8(b), uint8(a)}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user