28 lines
352 B
Go
28 lines
352 B
Go
package common
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type Vector struct {
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X, Y float64
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}
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func NewVector(x, y float64) *Vector {
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return &Vector{
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X: x,
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Y: y,
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}
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}
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func (v *Vector) Multiple(z float64) {
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v.X = v.X * z
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v.Y = v.Y * z
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}
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func (v *Vector) Normalize() {
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l := Magnitude(v.X, v.Y)
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v.Multiple(1 / l)
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}
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func (v *Vector) SetMag(m float64) {
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v.Normalize()
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v.Multiple(m)
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}
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