As the question is, the key is not how the picture is, but that go can be used to implement dynamic picture verification code. In addition, go supports cgi and fcgi, can it be used to add existing servers?
package main
import (
"/hydra13142/cube"
"/hydra13142/geom"
"/hydra13142/paint"
"image"
"image/color/palette"
"image/gif"
"math"
"os"
)
var (
pln *
unx
uny
)
const (
H = 18
W = 36
)
func init() {
pln, _ = ({}, {4, 4, 3})
uny = ({}, ({0, 0, 10})).Unit()
unx = (uny, {4, 4, 3}).Unit()
}
func main() {
var x [H + 1][W]
var y [H + 1][W]
dz := / H
dxy := * 2 / W
for i := 0; i <= H; i++ {
az := float64(i)*dz - /2
r := 140 * (az)
z := 140 * (az)
for j := 0; j < W; j++ {
axy := float64(j) * dxy
x[i][j] = {(axy) * r, (axy) * r, z}
}
}
pics := make([]*, 0, 20)
img := {
FR: ,
BG: ,
}
stp := dxy / 20
delay := make([]int, 0, 20)
for t := 0; t < 20; t++ {
= ((0, 0, 300, 300), palette.Plan9)
for i := 0; i <= H; i++ {
for j := 0; j < W; j++ {
ox := ({}, x[i][j])
y[i][j] = {(ox, unx), (ox, uny)}
a, b := x[i][j].X, x[i][j].Y
x[i][j].X = a*(stp) - b*(stp)
x[i][j].Y = b*(stp) + a*(stp)
}
}
for i := 0; i < H; i++ {
for j := 0; j < W; j++ {
(
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),
)
(
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, .(*))
delay = append(delay, 5)
}
file, _ := ("")
defer ()
(file, &{
Image: pics,
Delay: delay,
LoopCount: 5 * len(delay),
})
}
package main
import (
"/hydra13142/cube"
"/hydra13142/geom"
"/hydra13142/paint"
"image"
"image/color/palette"
"image/gif"
"math"
"os"
)
var (
pln *
unx, uny
)
const (
H = 18
W = 96
)
func init() {
pln, _ = ({}, {2, 2, 1})
uny = ({}, ({0, 0, 10})).Unit()
unx = (uny, {2, 2, 1}).Unit()
}
func main() {
var x [H + 1][W]
var y [H + 1][W]
dz := / H
dxy := * 4 / W
for i := 0; i <= H; i++ {
az := float64(i)*dz - /2
r := 300 * (az)
z := 100 * (az)
for j := 0; j < W; j++ {
axy := float64(j) * dxy
R := float64(j) * r / W
x[i][j] = {(axy) * R, (axy) * R, z}
}
}
pics := make([]*, 0, 20)
img := {
FR: ,
BG: ,
}
stp := / W
delay := make([]int, 0, 2*W)
for t := 0; t < 2*W; t++ {
= ((0, 0, 600, 300), palette.Plan9)
for i := 0; i <= H; i++ {
for j := 0; j < W; j++ {
ox := ({}, x[i][j])
y[i][j] = {(ox, unx), (ox, uny)}
a, b := x[i][j].X, x[i][j].Y
x[i][j].X = a*(stp) - b*(stp)
x[i][j].Y = b*(stp) + a*(stp)
}
}
(
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++ {
(
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),
)
(
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, .(*))
delay = append(delay, 5)
}
file, _ := ("")
defer ()
(file, &{
Image: pics,
Delay: delay,
LoopCount: 5 * len(delay),
})
}
package main
import (
"/hydra13142/cube"
"/hydra13142/geom"
"/hydra13142/paint"
"image"
"image/color/palette"
"image/gif"
"math"
"os"
)
var (
pln *
unx, uny
)
const (
H = 9
W = 36
)
func init() {
pln, _ = ({}, {4, 4, 3})
uny = ({}, ({0, 0, 10})).Unit()
unx = (uny, {4, 4, 3}).Unit()
}
func main() {
var x [H*W + 1]
var y [H*W + 1]
dxy := ( * 2) / W
dz := / H
for i := 0; i <= H*W; i++ {
az := float64(i)*dz/W - /2
r := 140 * (az)
z := 140 * (az)
axy := float64(i) * dxy
x[i] = {(axy) * r, (axy) * r, z}
}
pics := make([]*, 0, 20)
img := {
FR: ,
BG: ,
}
stp := * 2 / (W * 3)
delay := make([]int, 0, 3*W)
for t := 0; t < 3*W; t++ {
= ((0, 0, 300, 300), palette.Plan9)
for i := 0; i <= H*W; i++ {
ox := ({}, x[i])
y[i] = {(ox, unx), (ox, uny)}
a, b := x[i].X, x[i].Z
x[i].X = a*(stp) - b*(stp)
x[i].Z = b*(stp) + a*(stp)
}
(
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++ {
(
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, .(*))
delay = append(delay, 8)
}
file, _ := ("")
defer ()
(file, &{
Image: pics,
Delay: delay,
LoopCount: 5 * len(delay),
})
}
The above is the entire content of this article, I hope you like it.