圆月山庄资源网

go语言制作一个gif动态图
脚本专栏 2024/11/15 佚名
3 2
圆月山庄资源网 Design By www.vgjia.com

如题，关键不是图怎么样，而是说，go可以拿来实现动态图验证码，加上go支持cgi、fcgi，完全可以做个exe拿去增补现有的服务器么。

ball.go

package main
import (
  "github.com/hydra13142/cube"
  "github.com/hydra13142/geom"
  "github.com/hydra13142/paint"
  "image"
  "image/color/palette"
  "image/gif"
  "math"
  "os"
)
var (
  pln *cube.Plain
  unx cube.Vector
  uny cube.Vector
)
const (
  H = 18
  W = 36
)
func init() {
  pln, _ = cube.NewPlain(cube.Point{}, cube.Vector{4, 4, 3})
  uny = cube.FromTo(cube.Point{}, pln.VerticalPoint(cube.Point{0, 0, 10})).Unit()
  unx = cube.OuterProduct(uny, cube.Vector{4, 4, 3}).Unit()
}
func main() {
  var x [H + 1][W]cube.Point
  var y [H + 1][W]geom.Point
  dz := math.Pi / H
  dxy := math.Pi * 2 / W
  for i := 0; i <= H; i++ {
    az := float64(i)*dz - math.Pi/2
    r := 140 * math.Cos(az)
    z := 140 * math.Sin(az)
    for j := 0; j < W; j++ {
      axy := float64(j) * dxy
      x[i][j] = cube.Point{math.Cos(axy) * r, math.Sin(axy) * r, z}
    }
  }
  pics := make([]*image.Paletted, 0, 20)
  img := paint.Image{
    FR: paint.Green,
    BG: paint.White,
  }
  stp := dxy / 20
  delay := make([]int, 0, 20)
  for t := 0; t < 20; t++ {
    img.Image = image.NewPaletted(image.Rect(0, 0, 300, 300), palette.Plan9)
    for i := 0; i <= H; i++ {
      for j := 0; j < W; j++ {
        ox := cube.FromTo(cube.Point{}, x[i][j])
        y[i][j] = geom.Point{cube.InnerProduct(ox, unx), cube.InnerProduct(ox, uny)}
        a, b := x[i][j].X, x[i][j].Y
        x[i][j].X = a*math.Cos(stp) - b*math.Sin(stp)
        x[i][j].Y = b*math.Cos(stp) + a*math.Sin(stp)
      }
    }
    for i := 0; i < H; i++ {
      for j := 0; j < W; j++ {
        img.Line(
          150+int(y[i][j].X),
          150-int(y[i][j].Y),
          150+int(y[i][(j+1)%W].X),
          150-int(y[i][(j+1)%W].Y),
        )
        img.Line(
          150+int(y[i][j].X),
          150-int(y[i][j].Y),
          150+int(y[i+1][j].X),
          150-int(y[i+1][j].Y),
        )
      }
    }
    pics = append(pics, img.Image.(*image.Paletted))
    delay = append(delay, 5)
  }
  file, _ := os.Create("ball.gif")
  defer file.Close()
  gif.EncodeAll(file, &gif.GIF{
    Image:   pics,
    Delay:   delay,
    LoopCount: 5 * len(delay),
  })
}

woniu.go

package main
import (
  "github.com/hydra13142/cube"
  "github.com/hydra13142/geom"
  "github.com/hydra13142/paint"
  "image"
  "image/color/palette"
  "image/gif"
  "math"
  "os"
)
var (
  pln   *cube.Plain
  unx, uny cube.Vector
)
const (
  H = 18
  W = 96
)
func init() {
  pln, _ = cube.NewPlain(cube.Point{}, cube.Vector{2, 2, 1})
  uny = cube.FromTo(cube.Point{}, pln.VerticalPoint(cube.Point{0, 0, 10})).Unit()
  unx = cube.OuterProduct(uny, cube.Vector{2, 2, 1}).Unit()
}
func main() {
  var x [H + 1][W]cube.Point
  var y [H + 1][W]geom.Point
  dz := math.Pi / H
  dxy := math.Pi * 4 / W
  for i := 0; i <= H; i++ {
    az := float64(i)*dz - math.Pi/2
    r := 300 * math.Cos(az)
    z := 100 * math.Sin(az)
    for j := 0; j < W; j++ {
      axy := float64(j) * dxy
      R := float64(j) * r / W
      x[i][j] = cube.Point{math.Cos(axy) * R, math.Sin(axy) * R, z}
    }
  }
  pics := make([]*image.Paletted, 0, 20)
  img := paint.Image{
    FR: paint.Green,
    BG: paint.White,
  }
  stp := math.Pi / W
  delay := make([]int, 0, 2*W)
  for t := 0; t < 2*W; t++ {
    img.Image = image.NewPaletted(image.Rect(0, 0, 600, 300), palette.Plan9)
    for i := 0; i <= H; i++ {
      for j := 0; j < W; j++ {
        ox := cube.FromTo(cube.Point{}, x[i][j])
        y[i][j] = geom.Point{cube.InnerProduct(ox, unx), cube.InnerProduct(ox, uny)}
        a, b := x[i][j].X, x[i][j].Y
        x[i][j].X = a*math.Cos(stp) - b*math.Sin(stp)
        x[i][j].Y = b*math.Cos(stp) + a*math.Sin(stp)
      }
    }
    img.Line(
      300+int(y[0][0].X),
      150-int(y[0][0].Y),
      300+int(y[H][0].X),
      150-int(y[H][0].Y),
    )
    for i := 0; i < H; i++ {
      for j := 1; j < W; j++ {
        img.Line(
          300+int(y[i][j].X),
          150-int(y[i][j].Y),
          300+int(y[i][j-1].X),
          150-int(y[i][j-1].Y),
        )
        img.Line(
          300+int(y[i][j].X),
          150-int(y[i][j].Y),
          300+int(y[i+1][j].X),
          150-int(y[i+1][j].Y),
        )
      }
    }
    pics = append(pics, img.Image.(*image.Paletted))
    delay = append(delay, 5)
  }
  file, _ := os.Create("woniu.gif")
  defer file.Close()
  gif.EncodeAll(file, &gif.GIF{
    Image:   pics,
    Delay:   delay,
    LoopCount: 5 * len(delay),
  })
}

rotate.go

package main
import (
  "github.com/hydra13142/cube"
  "github.com/hydra13142/geom"
  "github.com/hydra13142/paint"
  "image"
  "image/color/palette"
  "image/gif"
  "math"
  "os"
)
var (
  pln   *cube.Plain
  unx, uny cube.Vector
)
const (
  H = 9
  W = 36
)
func init() {
  pln, _ = cube.NewPlain(cube.Point{}, cube.Vector{4, 4, 3})
  uny = cube.FromTo(cube.Point{}, pln.VerticalPoint(cube.Point{0, 0, 10})).Unit()
  unx = cube.OuterProduct(uny, cube.Vector{4, 4, 3}).Unit()
}
func main() {
  var x [H*W + 1]cube.Point
  var y [H*W + 1]geom.Point
  dxy := (math.Pi * 2) / W
  dz := math.Pi / H
  for i := 0; i <= H*W; i++ {
    az := float64(i)*dz/W - math.Pi/2
    r := 140 * math.Cos(az)
    z := 140 * math.Sin(az) 
    axy := float64(i) * dxy
    x[i] = cube.Point{math.Cos(axy) * r, math.Sin(axy) * r, z}
  }
  pics := make([]*image.Paletted, 0, 20)
  img := paint.Image{
    FR: paint.Green,
    BG: paint.White,
  }
  stp := math.Pi * 2 / (W * 3)
  delay := make([]int, 0, 3*W)
  for t := 0; t < 3*W; t++ {
    img.Image = image.NewPaletted(image.Rect(0, 0, 300, 300), palette.Plan9)
    for i := 0; i <= H*W; i++ {
      ox := cube.FromTo(cube.Point{}, x[i])
      y[i] = geom.Point{cube.InnerProduct(ox, unx), cube.InnerProduct(ox, uny)}
      a, b := x[i].X, x[i].Z
      x[i].X = a*math.Cos(stp) - b*math.Sin(stp)
      x[i].Z = b*math.Cos(stp) + a*math.Sin(stp)
    }
    img.Line(
      150+int(y[0].X),
      150-int(y[0].Y),
      150+int(y[H*W].X),
      150-int(y[H*W].Y),
    )
    for i := 0; i < H*W; i++ {
      img.Line(
        150+int(y[i].X),
        150-int(y[i].Y),
        150+int(y[i+1].X),
        150-int(y[i+1].Y),
      )
    }
    pics = append(pics, img.Image.(*image.Paletted))
    delay = append(delay, 8)
  }
  file, _ := os.Create("rotate.gif")
  defer file.Close()
  gif.EncodeAll(file, &gif.GIF{
    Image:   pics,
    Delay:   delay,
    LoopCount: 5 * len(delay),
  })
}

以上就是本文的全部内容了，希望大家能够喜欢。

标签：
go语言,gif,动态图
圆月山庄资源网 Design By www.vgjia.com
广告合作：本站广告合作请联系QQ：858582 申请时备注：广告合作（否则不回）
免责声明：本站文章均来自网站采集或用户投稿，网站不提供任何软件下载或自行开发的软件！ 如有用户或公司发现本站内容信息存在侵权行为，请邮件告知！ 858582#qq.com
圆月山庄资源网 Design By www.vgjia.com
www.vgjia.com 圆月山庄资源网
139,976互联网资源
144,792高清电影
21,817无损音乐
631,128技术资源

更新日志

友情链接

杰晶网络 DDR爱好者之家 桃源资源网 杰网资源 富贵资源网 南强小屋 铁雪资源网 幽灵资源网 万梅资源网 狼山资源网 白云岛资源网 昆仑资源网 相思资源网 明霞山资源网 内蒙古资源网 黑松山资源网 茶园资源网 饿虎岗资源网 大旗谷资源网 常春岛资源网 岱庙资源网 兴国资源网 快活林资源网 蝙蝠岛资源网 帝王谷资源网 白云城资源网 伏龙阁资源网 清风细雨楼 天枫庄资源网 圆月山庄资源网 无争山庄资源网 神水资源网 移花宫资源网 神剑山庄资源网 无为清净楼资源网 金钱帮资源网 丐帮资源网 华山资源网 极乐门资源网 小李飞刀资源网 凤求凰客栈 风云阁资源网 金狮镖局 鸳鸯亭资源网 千金楼资源网 更多链接