2025 Day 8 Complete

helpers/coordinate3d.go

@@ -1,6 +1,9 @@
 package aoc
 
-import "fmt"
+import (
+	"fmt"
+	"math"
+)
 
 type Coordinate3d struct {
 	X, Y, Z int
@@ -71,6 +74,13 @@ func (c *Coordinate3d) GetDownCoord() *Coordinate3d {
 		Z: c.Z - 1,
 	}
 }
+
+func (c *Coordinate3d) Distance(c2 Coordinate3d) float64 {
+	return math.Sqrt(math.Pow(float64(c2.X-c.X), 2) +
+		math.Pow(float64(c2.Y-c.Y), 2) +
+		math.Pow(float64(c2.Z-c.Z), 2))
+}
+
 func (c Coordinate3d) String() string {
 	return fmt.Sprintf("[X:%d, Y:%d, Z:%d]", c.X, c.Y, c.Z)
 }