(ui:options) add the ability to hide/show all trips

Author: AkselsLedins

ghashcode/trip.go

@@ -5,6 +5,7 @@ import (
 	"math"
 
 	config "github.com/AkselsLedins/google-hashcode-2018-live-simulation/config"
+	"github.com/AkselsLedins/google-hashcode-2018-live-simulation/ui"
 
 	"github.com/faiface/pixel"
 	"github.com/faiface/pixel/imdraw"
@@ -50,7 +51,7 @@ type Trip struct {
 func (t *Trip) AddToImd(imd *imdraw.IMDraw) {
 	// we only show taken trips for performance
 	// TODO a way to desactivate this
-	if !t.Taken {
+	if !t.Taken && !ui.Options().ShowAllTrips {
 		return
 	}
 

simulator/events.go

@@ -10,6 +10,10 @@ func (s *Simulation) HandleEvents(win *pixelgl.Window, dt float64) {
 		s.Toggle()
 	}
 
+	if win.JustPressed(pixelgl.KeyT) {
+		ui.Options().ShowAllTrips = !ui.Options().ShowAllTrips
+	}
+
 	if win.Pressed(pixelgl.KeyLeft) {
 		ui.Cam().CamPos.X -= ui.Cam().CamSpeed * dt
 	}

ui/options.go

@@ -0,0 +1,18 @@
+package ui
+
+type options struct {
+	ShowAllTrips bool
+}
+
+var (
+	opt *options
+)
+
+func init() {
+	opt = new(options)
+	opt.ShowAllTrips = false
+}
+
+func Options() *options {
+	return opt
+}