22 lines
484 B
Go
22 lines
484 B
Go
package planar
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import (
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"math"
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"github.com/paulmach/orb"
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)
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// Distance returns the distance between two points in 2d euclidean geometry.
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func Distance(p1, p2 orb.Point) float64 {
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d0 := (p1[0] - p2[0])
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d1 := (p1[1] - p2[1])
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return math.Sqrt(d0*d0 + d1*d1)
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}
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// DistanceSquared returns the square of the distance between two points in 2d euclidean geometry.
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func DistanceSquared(p1, p2 orb.Point) float64 {
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d0 := (p1[0] - p2[0])
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d1 := (p1[1] - p2[1])
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return d0*d0 + d1*d1
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}
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