func handleChans(im *image.RGBA, ch <-chan point) {
counter := 0
pixCount := im.Height() * im.Width()
for counter < pixCount {
counter += 1
p := <-ch
im.Pixel[p.x][p.y] = p.color
}
}
func Mandelbrot(im *image.RGBA, lineMin, lineMax int, vpx, vpy, d float64, ch chan<- point) {
width := float64(im.Width())
height := float64(im.Height())
for i := lineMin; i < lineMax; i++ {
for j := 0; j < im.Height(); j++ {
x0 := float64(i)/(width/d) - d/2.0 + vpx
y0 := float64(j)/(height/d) - d/2.0 + vpy
ch <- point{i, j, getPixelAt(y0, x0)}
}
}
}