refactor: Move logic into Move

1 files changed, 13 insertions, 0 deletions

diff --git a/move.go b/move.go
index 916e580..f2cee2b 100644
--- a/move.go
+++ b/move.go
@@ -4,3 +4,16 @@ type Move struct {
 	IsActive    bool
 	Destination Point
 }
+
+func (m *Move) Update(position Point, speed int) Point {
+	if !m.IsActive {
+		return position
+	}
+	remainingMove := m.Destination.Sub(position)
+	delta := remainingMove.Mul(speed).Div(int(Length(remainingMove)))
+	next := position.Add(delta)
+	if Distance(next, m.Destination) < float64(speed) {
+		m.IsActive = false
+	}
+	return next
+}