31 lines
344 B
Go
31 lines
344 B
Go
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package main
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import "fmt"
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type Vertex struct {
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X, Y float64
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}
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func (v *Vertex) Scale(f float64) {
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v.X = v.X * f
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v.Y = v.Y * f
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}
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func ScaleFunc(v *Vertex, f float64) {
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v.X = v.X * f
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v.Y = v.Y * f
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}
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func main() {
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v := Vertex{3, 4}
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v.Scale(2)
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ScaleFunc(&v, 10)
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p := &Vertex{4, 3}
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p.Scale(3)
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ScaleFunc(p, 8)
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fmt.Println(v, p)
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}
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