From 6929c70c06f6972778d04508748ab0930010b818 Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@gmail.com>
Date: Sun, 5 Feb 2017 16:05:32 +0900
Subject: [PATCH] examples/edge: Update

---
 examples/edge/main.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/examples/edge/main.go b/examples/edge/main.go
index 4fb6937c9..e5dbf60ca 100644
--- a/examples/edge/main.go
+++ b/examples/edge/main.go
@@ -17,11 +17,13 @@
 package main
 
 import (
+	"fmt"
 	"image/color"
 	"log"
 	"math"
 
 	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/ebitenutil"
 )
 
 const (
@@ -37,7 +39,12 @@ var (
 )
 
 func update(screen *ebiten.Image) error {
-	angle++
+	if ebiten.IsKeyPressed(ebiten.KeyLeft) {
+		angle--
+	}
+	if ebiten.IsKeyPressed(ebiten.KeyRight) {
+		angle++
+	}
 	angle %= 360
 	if err := screen.Fill(color.White); err != nil {
 		return err
@@ -45,16 +52,20 @@ func update(screen *ebiten.Image) error {
 	op := &ebiten.DrawImageOptions{}
 	op.GeoM.Translate(-float64(colorImageWidth)/2, -float64(colorImageHeight)/2)
 	op.GeoM.Rotate(float64(angle) * math.Pi / 180)
+	op.GeoM.Scale(4, 4)
 	op.GeoM.Translate(screenWidth/2, screenHeight/2)
 	if err := screen.DrawImage(colorImage, op); err != nil {
 		return err
 	}
+	if err := ebitenutil.DebugPrint(screen, fmt.Sprintf("Angle: %d [deg]", angle)); err != nil {
+		return err
+	}
 	return nil
 }
 
 func main() {
 	var err error
-	colorImage, err = ebiten.NewImage(colorImageWidth, colorImageHeight, ebiten.FilterLinear)
+	colorImage, err = ebiten.NewImage(colorImageWidth, colorImageHeight, ebiten.FilterNearest)
 	if err != nil {
 		log.Fatal(err)
 	}