Created
March 12, 2021 10:48
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Heart in Go
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| package main | |
| import ( | |
| "golang.org/x/tour/pic" | |
| "math" | |
| //"fmt" | |
| ) | |
| func CalcHeart(t float64) (x,y float64) { | |
| x = 16*math.Sin(t)*math.Sin(t)*math.Sin(t) | |
| y = 13*math.Cos(t) - 5*math.Cos(2*t) - math.Cos(4*t) | |
| return | |
| } | |
| func Pic(dx, dy int) [][]uint8 { | |
| image := make([][]uint8, dy) | |
| for i := 0; i < dy; i++ { | |
| image[i] = make([]uint8, dx) | |
| } | |
| for i:=-1000;i<1000;i++{ | |
| x,y := CalcHeart(float64(i)) | |
| //fmt.Println(x," ",y) | |
| ix := int(x) | |
| iy := int(y) | |
| //fmt.Println(ix," ",iy) | |
| if ix > -128 && ix < 128 { | |
| if iy > -128 && iy < 128 { | |
| image[int((y+128))][int((x+128))] = 255 | |
| } | |
| } | |
| } | |
| return image | |
| } | |
| func main() { | |
| pic.Show(Pic) | |
| } |
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