Trying to finish up 2019

helpers/coordinate3d.go

@@ -0,0 +1,57 @@
+package aoc
+
+import "fmt"
+
+type Coordinate3d struct {
+	X, Y, Z int
+}
+
+func NewCoordinate3d(x, y, z int) *Coordinate3d {
+	return &Coordinate3d{x, y, z}
+}
+
+func (c *Coordinate3d) GetNorthCoord() *Coordinate3d {
+	return &Coordinate3d{
+		X: c.X,
+		Y: c.Y - 1,
+		Z: c.Z,
+	}
+}
+func (c *Coordinate3d) GetEastCoord() *Coordinate3d {
+	return &Coordinate3d{
+		X: c.X + 1,
+		Y: c.Y,
+		Z: c.Z,
+	}
+}
+func (c *Coordinate3d) GetSouthCoord() *Coordinate3d {
+	return &Coordinate3d{
+		X: c.X,
+		Y: c.Y + 1,
+		Z: c.Z,
+	}
+}
+func (c *Coordinate3d) GetWestCoord() *Coordinate3d {
+	return &Coordinate3d{
+		X: c.X - 1,
+		Y: c.Y,
+		Z: c.Z,
+	}
+}
+func (c *Coordinate3d) GetUpCoord() *Coordinate3d {
+	return &Coordinate3d{
+		X: c.X,
+		Y: c.Y,
+		Z: c.Z + 1,
+	}
+}
+func (c *Coordinate3d) GetDownCoord() *Coordinate3d {
+	return &Coordinate3d{
+		X: c.X,
+		Y: c.Y,
+		Z: c.Z - 1,
+	}
+}
+func (c Coordinate3d) String() string {
+	return fmt.Sprintf("[%d, %d, %d]", c.X, c.Y, c.Z)
+}