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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
相思资源网 Design By www.200059.com
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相思资源网 Design By www.200059.com
暂无go语言制作一个gif动态图的评论...
稳了!魔兽国服回归的3条重磅消息!官宣时间再确认!
昨天有一位朋友在大神群里分享,自己亚服账号被封号之后居然弹出了国服的封号信息对话框。
这里面让他访问的是一个国服的战网网址,com.cn和后面的zh都非常明白地表明这就是国服战网。
而他在复制这个网址并且进行登录之后,确实是网易的网址,也就是我们熟悉的停服之后国服发布的暴雪游戏产品运营到期开放退款的说明。这是一件比较奇怪的事情,因为以前都没有出现这样的情况,现在突然提示跳转到国服战网的网址,是不是说明了简体中文客户端已经开始进行更新了呢?