From bcb8c0d45a51a173bd3845c3a8127b5ba31b62db Mon Sep 17 00:00:00 2001
From: Hajime Hoshi <hajimehoshi@hajimehoshi.com>
Date: Sat, 23 Nov 2013 19:51:24 +0900
Subject: [PATCH] Remove ebiten.FPS

---
 ebiten.go                             |  4 ----
 example/game/monochrome/monochrome.go | 13 +++++++------
 example/game/rotating/rotating.go     |  4 +++-
 example/main.go                       |  5 +++--
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/ebiten.go b/ebiten.go
index cdf8e669a..6a1adfc1b 100644
--- a/ebiten.go
+++ b/ebiten.go
@@ -4,10 +4,6 @@ import (
 	"github.com/hajimehoshi/go-ebiten/graphics"
 )
 
-const (
-	FPS = 60
-)
-
 type Game interface {
 	InitTextures(tf graphics.TextureFactory)
 	Update(context GameContext)
diff --git a/example/game/monochrome/monochrome.go b/example/game/monochrome/monochrome.go
index 8750556b3..41bfff73a 100644
--- a/example/game/monochrome/monochrome.go
+++ b/example/game/monochrome/monochrome.go
@@ -61,27 +61,28 @@ func mean(a, b matrix.Color, k float64) matrix.Color {
 }
 
 func (game *Monochrome) update() {
+	const fps = 60
 	colorI := matrix.IdentityColor()
 	colorMonochrome := matrix.Monochrome()
 	for {
-		for i := 0; i < ebiten.FPS; i++ {
+		for i := 0; i < fps; i++ {
 			<-game.ch
-			rate := float64(i) / float64(ebiten.FPS)
+			rate := float64(i) / float64(fps)
 			game.colorMatrix = mean(colorI, colorMonochrome, rate)
 			game.ch <- true
 		}
-		for i := 0; i < ebiten.FPS; i++ {
+		for i := 0; i < fps; i++ {
 			<-game.ch
 			game.colorMatrix = colorMonochrome
 			game.ch <- true
 		}
-		for i := 0; i < ebiten.FPS; i++ {
+		for i := 0; i < fps; i++ {
 			<-game.ch
-			rate := float64(i) / float64(ebiten.FPS)
+			rate := float64(i) / float64(fps)
 			game.colorMatrix = mean(colorMonochrome, colorI, rate)
 			game.ch <- true
 		}
-		for i := 0; i < ebiten.FPS; i++ {
+		for i := 0; i < fps; i++ {
 			<-game.ch
 			game.colorMatrix = colorI
 			game.ch <- true
diff --git a/example/game/rotating/rotating.go b/example/game/rotating/rotating.go
index b18e131d0..8f9a4f129 100644
--- a/example/game/rotating/rotating.go
+++ b/example/game/rotating/rotating.go
@@ -42,12 +42,14 @@ func (game *Rotating) InitTextures(tf graphics.TextureFactory) {
 }
 
 func (game *Rotating) Update(context ebiten.GameContext) {
+	const fps = 60
+
 	game.x++
 
 	game.geometryMatrix = matrix.IdentityGeometry()
 	tx, ty := float64(ebitenTextureWidth), float64(ebitenTextureHeight)
 	game.geometryMatrix.Translate(-tx/2, -ty/2)
-	game.geometryMatrix.Rotate(float64(game.x) * 2 * math.Pi / float64(ebiten.FPS*10))
+	game.geometryMatrix.Rotate(float64(game.x) * 2 * math.Pi / float64(fps*10))
 	game.geometryMatrix.Translate(tx/2, ty/2)
 	centerX := float64(context.ScreenWidth()) / 2
 	centerY := float64(context.ScreenHeight()) / 2
diff --git a/example/main.go b/example/main.go
index 8ed7e4735..a5d5dbd0e 100644
--- a/example/main.go
+++ b/example/main.go
@@ -48,15 +48,16 @@ func main() {
 	const screenWidth = 256
 	const screenHeight = 240
 	const screenScale = 2
+	const fps = 60
 	const title = "Ebiten Demo"
 	ui := cocoa.New(screenWidth, screenHeight, screenScale, title)
 	ui.Start()
 	ui.InitTextures(game.InitTextures)
 
-	frameTime := time.Duration(int64(time.Second) / int64(ebiten.FPS))
-	tick := time.Tick(frameTime)
 	lock := sync.Mutex{}
 	go func() {
+		frameTime := time.Duration(int64(time.Second) / int64(fps))
+		tick := time.Tick(frameTime)
 		for {
 			<-tick
 			ui.Update(func(c ebiten.GameContext) {