func main() {
buddha.Grid = geometry.Rect(-2.5, -2.5, 2.5, 2.5)
set := buddha.New(1024, 1024)
filePath := "buddha.png"
err := imgutil.WriteFile(filePath, set)
if err != nil {
log.Fatalln(err)
}
fmt.Println("Created:", filePath)
}
func main() {
mset.Grid = geometry.Rect(-2.5, -2.5, 2.5, 2.5)
set := mset.New(1024, 1024)
set.White = true
filePath := "simple.png"
err := imgutil.WriteFile(filePath, set)
if err != nil {
log.Fatalln(err)
}
fmt.Println("Created:", filePath)
}
//
// gen stores c and uses it as the first input to f.
func gen(c complex128) func() complex128 {
x := c
next := func() complex128 {
// f(x) = x**2 + c
x = x*x + c
return x
}
return next
}
// Grid is the bounds of the coordinate system on which the Mandelbrot set
// will be displayed. The x and y values of grid doesn't represent pixels but
// rather positions on the coordinate system.
var Grid = geometry.Rect(-2, -1.2, 1, 1.2)
// definition of a few common colors.
var (
red = color.RGBA{255, 0, 0, 255}
green = color.RGBA{0, 128, 0, 255}
blue = color.RGBA{0, 0, 255, 255}
yellow = color.RGBA{255, 255, 0, 255}
)
// Colors represent the slice of colors that are used to represent how many
// iterations it took to escape the circle.
//
// Thus pixels that escape on the first iteration are colored red, while pixels
// that escape on the second iteration are colored green.
var Colors = []color.Color{