Add Files of first version

structs.go

@@ -0,0 +1,26 @@
+package main
+
+import "math"
+
+type Coordinate struct {
+	x, y int
+}
+
+type Path struct {
+	start, end Coordinate
+}
+
+type Pond struct {
+	vertices []Coordinate
+}
+
+type Map struct {
+	paths []Path
+	ponds []Pond
+}
+
+func (current Coordinate) distance(other Coordinate) float64 {
+	dx := math.Abs(float64(current.x - other.x))
+	dy := math.Abs(float64(current.y - other.y))
+	return math.Sqrt(dx*dx + dy*dy)
+}