cmd: send fleet

internal/model/game/group.go

@@ -55,6 +55,14 @@ type InSpace struct {
 	Range float64 `json:"range"`
 }
 
+func (is InSpace) Equal(other InSpace) bool {
+	return is.Origin == other.Origin && is.X == other.X && is.Y == other.Y
+}
+
+func (is InSpace) Launched() bool {
+	return is.Range == 0
+}
+
 type InUpgrade struct {
 	UpgradeTech []UpgradePreference `json:"preference"`
 }