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examples: change the name convention: Num -> Count

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This commit is contained in:
Hajime Hoshi 2022-07-13 01:55:03 +09:00
parent 16ff5c5039
commit 36b7b85477
8 changed files with 52 additions and 52 deletions
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4
examples/animation/main.go
View File

@ -35,7 +35,7 @@ const (
frameOY = 32 frameOY = 32
frameWidth = 32 frameWidth = 32
frameHeight = 32 frameHeight = 32
frameNum = 8 frameCount = 8
) )
var ( var (
@ -55,7 +55,7 @@ func (g *Game) Draw(screen *ebiten.Image) {
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(-float64(frameWidth)/2, -float64(frameHeight)/2) op.GeoM.Translate(-float64(frameWidth)/2, -float64(frameHeight)/2)
op.GeoM.Translate(screenWidth/2, screenHeight/2) op.GeoM.Translate(screenWidth/2, screenHeight/2)
i := (g.count / 5) % frameNum i := (g.count / 5) % frameCount
sx, sy := frameOX+i*frameWidth, frameOY sx, sy := frameOX+i*frameWidth, frameOY
screen.DrawImage(runnerImage.SubImage(image.Rect(sx, sy, sx+frameWidth, sy+frameHeight)).(*ebiten.Image), op) screen.DrawImage(runnerImage.SubImage(image.Rect(sx, sy, sx+frameWidth, sy+frameHeight)).(*ebiten.Image), op)
} }

32
examples/blocks/blocks/field.go
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@ -22,7 +22,7 @@ const maxFlushCount = 20
// Field represents a game field with block states. // Field represents a game field with block states.
type Field struct { type Field struct {
blocks [fieldBlockNumX][fieldBlockNumY]BlockType blocks [fieldBlockCountX][fieldBlockCountY]BlockType
flushCount int flushCount int
onEndFlushAnimating func(int) onEndFlushAnimating func(int)
} }
@ -30,13 +30,13 @@ type Field struct {
// IsBlocked returns a boolean value indicating whether // IsBlocked returns a boolean value indicating whether
// there is a block at position (x, y) on the field. // there is a block at position (x, y) on the field.
func (f *Field) IsBlocked(x, y int) bool { func (f *Field) IsBlocked(x, y int) bool {
if x < 0 || fieldBlockNumX <= x { if x < 0 || fieldBlockCountX <= x {
return true return true
} }
if y < 0 { if y < 0 {
return false return false
} }
if fieldBlockNumY <= y { if fieldBlockCountY <= y {
return true return true
} }
return f.blocks[x][y] != BlockTypeNone return f.blocks[x][y] != BlockTypeNone
@ -116,7 +116,7 @@ func (f *Field) SetEndFlushAnimating(fn func(lines int)) {
// flushable returns a boolean value indicating whether // flushable returns a boolean value indicating whether
// there is a flushable line in the field. // there is a flushable line in the field.
func (f *Field) flushable() bool { func (f *Field) flushable() bool {
for j := fieldBlockNumY - 1; 0 <= j; j-- { for j := fieldBlockCountY - 1; 0 <= j; j-- {
if f.flushableLine(j) { if f.flushableLine(j) {
return true return true
} }
@ -127,7 +127,7 @@ func (f *Field) flushable() bool {
// flushableLine returns a boolean value indicating whether // flushableLine returns a boolean value indicating whether
// the line j is flushabled or not. // the line j is flushabled or not.
func (f *Field) flushableLine(j int) bool { func (f *Field) flushableLine(j int) bool {
for i := 0; i < fieldBlockNumX; i++ { for i := 0; i < fieldBlockCountX; i++ {
if f.blocks[i][j] == BlockTypeNone { if f.blocks[i][j] == BlockTypeNone {
return false return false
} }
@ -140,13 +140,13 @@ func (f *Field) setBlock(x, y int, blockType BlockType) {
} }
func (f *Field) endFlushAnimating() int { func (f *Field) endFlushAnimating() int {
flushedLineNum := 0 flushedLineCount := 0
for j := fieldBlockNumY - 1; 0 <= j; j-- { for j := fieldBlockCountY - 1; 0 <= j; j-- {
if f.flushLine(j + flushedLineNum) { if f.flushLine(j + flushedLineCount) {
flushedLineNum++ flushedLineCount++
} }
} }
return flushedLineNum return flushedLineCount
} }
// flushLine flushes the line j if possible, and if the line is flushed, // flushLine flushes the line j if possible, and if the line is flushed,
@ -155,17 +155,17 @@ func (f *Field) endFlushAnimating() int {
// flushLine returns a boolean value indicating whether // flushLine returns a boolean value indicating whether
// the line is actually flushed. // the line is actually flushed.
func (f *Field) flushLine(j int) bool { func (f *Field) flushLine(j int) bool {
for i := 0; i < fieldBlockNumX; i++ { for i := 0; i < fieldBlockCountX; i++ {
if f.blocks[i][j] == BlockTypeNone { if f.blocks[i][j] == BlockTypeNone {
return false return false
} }
} }
for j2 := j; 1 <= j2; j2-- { for j2 := j; 1 <= j2; j2-- {
for i := 0; i < fieldBlockNumX; i++ { for i := 0; i < fieldBlockCountX; i++ {
f.blocks[i][j2] = f.blocks[i][j2-1] f.blocks[i][j2] = f.blocks[i][j2-1]
} }
} }
for i := 0; i < fieldBlockNumX; i++ { for i := 0; i < fieldBlockCountX; i++ {
f.blocks[i][0] = BlockTypeNone f.blocks[i][0] = BlockTypeNone
} }
return true return true
@ -204,13 +204,13 @@ func flushingColor(rate float64) ebiten.ColorM {
func (f *Field) Draw(r *ebiten.Image, x, y int) { func (f *Field) Draw(r *ebiten.Image, x, y int) {
fc := flushingColor(float64(f.flushCount) / maxFlushCount) fc := flushingColor(float64(f.flushCount) / maxFlushCount)
for j := 0; j < fieldBlockNumY; j++ { for j := 0; j < fieldBlockCountY; j++ {
if f.flushableLine(j) { if f.flushableLine(j) {
for i := 0; i < fieldBlockNumX; i++ { for i := 0; i < fieldBlockCountX; i++ {
drawBlock(r, f.blocks[i][j], i*blockWidth+x, j*blockHeight+y, fc) drawBlock(r, f.blocks[i][j], i*blockWidth+x, j*blockHeight+y, fc)
} }
} else { } else {
for i := 0; i < fieldBlockNumX; i++ { for i := 0; i < fieldBlockCountX; i++ {
drawBlock(r, f.blocks[i][j], i*blockWidth+x, j*blockHeight+y, ebiten.ColorM{}) drawBlock(r, f.blocks[i][j], i*blockWidth+x, j*blockHeight+y, ebiten.ColorM{})
} }
} }

4
examples/blocks/blocks/gamescene.go
View File

@ -187,8 +187,8 @@ func (s *GameScene) drawBackground(r *ebiten.Image) {
} }
const ( const (
fieldWidth = blockWidth * fieldBlockNumX fieldWidth = blockWidth * fieldBlockCountX
fieldHeight = blockHeight * fieldBlockNumY fieldHeight = blockHeight * fieldBlockCountY
) )
func (s *GameScene) choosePiece() *Piece { func (s *GameScene) choosePiece() *Piece {

10
examples/blocks/blocks/piece.go
View File

@ -159,10 +159,10 @@ func init() {
} }
const ( const (
blockWidth = 10 blockWidth = 10
blockHeight = 10 blockHeight = 10
fieldBlockNumX = 10 fieldBlockCountX = 10
fieldBlockNumY = 20 fieldBlockCountY = 20
) )
func drawBlock(r *ebiten.Image, block BlockType, x, y int, clr ebiten.ColorM) { func drawBlock(r *ebiten.Image, block BlockType, x, y int, clr ebiten.ColorM) {
@ -180,7 +180,7 @@ func drawBlock(r *ebiten.Image, block BlockType, x, y int, clr ebiten.ColorM) {
func (p *Piece) InitialPosition() (int, int) { func (p *Piece) InitialPosition() (int, int) {
size := len(p.blocks) size := len(p.blocks)
x := (fieldBlockNumX - size) / 2 x := (fieldBlockCountX - size) / 2
y := 0 y := 0
Loop: Loop:
for j := 0; j < size; j++ { for j := 0; j < size; j++ {

8
examples/camera/main.go
View File

@ -38,8 +38,8 @@ const (
) )
const ( const (
tileSize = 16 tileSize = 16
tileXNum = 25 tileXCount = 25
) )
const ( const (
@ -175,8 +175,8 @@ func (g *Game) Draw(screen *ebiten.Image) {
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64((i%worldSizeX)*tileSize), float64((i/worldSizeX)*tileSize)) op.GeoM.Translate(float64((i%worldSizeX)*tileSize), float64((i/worldSizeX)*tileSize))
sx := (t % tileXNum) * tileSize sx := (t % tileXCount) * tileSize
sy := (t / tileXNum) * tileSize sy := (t / tileXCount) * tileSize
g.world.DrawImage(tilesImage.SubImage(image.Rect(sx, sy, sx+tileSize, sy+tileSize)).(*ebiten.Image), op) g.world.DrawImage(tilesImage.SubImage(image.Rect(sx, sy, sx+tileSize, sy+tileSize)).(*ebiten.Image), op)
} }
} }

26
examples/snake/main.go
View File

@ -30,11 +30,11 @@ import (
) )
const ( const (
screenWidth = 640 screenWidth = 640
screenHeight = 480 screenHeight = 480
gridSize = 10 gridSize = 10
xNumInScreen = screenWidth / gridSize xGridCountInScreen = screenWidth / gridSize
yNumInScreen = screenHeight / gridSize yGridCountInScreen = screenHeight / gridSize
) )
const ( const (
@ -83,8 +83,8 @@ func (g *Game) collidesWithSelf() bool {
func (g *Game) collidesWithWall() bool { func (g *Game) collidesWithWall() bool {
return g.snakeBody[0].X < 0 || return g.snakeBody[0].X < 0 ||
g.snakeBody[0].Y < 0 || g.snakeBody[0].Y < 0 ||
g.snakeBody[0].X >= xNumInScreen || g.snakeBody[0].X >= xGridCountInScreen ||
g.snakeBody[0].Y >= yNumInScreen g.snakeBody[0].Y >= yGridCountInScreen
} }
func (g *Game) needsToMoveSnake() bool { func (g *Game) needsToMoveSnake() bool {
@ -96,8 +96,8 @@ func (g *Game) reset() {
g.apple.Y = 3 * gridSize g.apple.Y = 3 * gridSize
g.moveTime = 4 g.moveTime = 4
g.snakeBody = g.snakeBody[:1] g.snakeBody = g.snakeBody[:1]
g.snakeBody[0].X = xNumInScreen / 2 g.snakeBody[0].X = xGridCountInScreen / 2
g.snakeBody[0].Y = yNumInScreen / 2 g.snakeBody[0].Y = yGridCountInScreen / 2
g.score = 0 g.score = 0
g.level = 1 g.level = 1
g.moveDirection = dirNone g.moveDirection = dirNone
@ -130,8 +130,8 @@ func (g *Game) Update() error {
} }
if g.collidesWithApple() { if g.collidesWithApple() {
g.apple.X = rand.Intn(xNumInScreen - 1) g.apple.X = rand.Intn(xGridCountInScreen - 1)
g.apple.Y = rand.Intn(yNumInScreen - 1) g.apple.Y = rand.Intn(yGridCountInScreen - 1)
g.snakeBody = append(g.snakeBody, Position{ g.snakeBody = append(g.snakeBody, Position{
X: g.snakeBody[len(g.snakeBody)-1].X, X: g.snakeBody[len(g.snakeBody)-1].X,
Y: g.snakeBody[len(g.snakeBody)-1].Y, Y: g.snakeBody[len(g.snakeBody)-1].Y,
@ -195,8 +195,8 @@ func newGame() *Game {
moveTime: 4, moveTime: 4,
snakeBody: make([]Position, 1), snakeBody: make([]Position, 1),
} }
g.snakeBody[0].X = xNumInScreen / 2 g.snakeBody[0].X = xGridCountInScreen / 2
g.snakeBody[0].Y = yNumInScreen / 2 g.snakeBody[0].Y = yGridCountInScreen / 2
return g return g
} }

10
examples/stars/main.go
View File

@ -31,7 +31,7 @@ const (
screenWidth = 640 screenWidth = 640
screenHeight = 480 screenHeight = 480
scale = 64 scale = 64
starsNum = 1024 starsCount = 1024
) )
type Star struct { type Star struct {
@ -69,12 +69,12 @@ func (s *Star) Draw(screen *ebiten.Image) {
} }
type Game struct { type Game struct {
stars [starsNum]Star stars [starsCount]Star
} }
func NewGame() *Game { func NewGame() *Game {
g := &Game{} g := &Game{}
for i := 0; i < starsNum; i++ { for i := 0; i < starsCount; i++ {
g.stars[i].Init() g.stars[i].Init()
} }
return g return g
@ -82,14 +82,14 @@ func NewGame() *Game {
func (g *Game) Update() error { func (g *Game) Update() error {
x, y := ebiten.CursorPosition() x, y := ebiten.CursorPosition()
for i := 0; i < starsNum; i++ { for i := 0; i < starsCount; i++ {
g.stars[i].Update(float64(x*scale), float64(y*scale)) g.stars[i].Update(float64(x*scale), float64(y*scale))
} }
return nil return nil
} }
func (g *Game) Draw(screen *ebiten.Image) { func (g *Game) Draw(screen *ebiten.Image) {
for i := 0; i < starsNum; i++ { for i := 0; i < starsCount; i++ {
g.stars[i].Draw(screen) g.stars[i].Draw(screen)
} }
} }

10
examples/tiles/main.go
View File

@ -64,20 +64,20 @@ func (g *Game) Update() error {
func (g *Game) Draw(screen *ebiten.Image) { func (g *Game) Draw(screen *ebiten.Image) {
w, _ := tilesImage.Size() w, _ := tilesImage.Size()
tileXNum := w / tileSize tileXCount := w / tileSize
// Draw each tile with each DrawImage call. // Draw each tile with each DrawImage call.
// As the source images of all DrawImage calls are always same, // As the source images of all DrawImage calls are always same,
// this rendering is done very efficiently. // this rendering is done very efficiently.
// For more detail, see https://pkg.go.dev/github.com/hajimehoshi/ebiten/v2#Image.DrawImage // For more detail, see https://pkg.go.dev/github.com/hajimehoshi/ebiten/v2#Image.DrawImage
const xNum = screenWidth / tileSize const xCount = screenWidth / tileSize
for _, l := range g.layers { for _, l := range g.layers {
for i, t := range l { for i, t := range l {
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
op.GeoM.Translate(float64((i%xNum)*tileSize), float64((i/xNum)*tileSize)) op.GeoM.Translate(float64((i%xCount)*tileSize), float64((i/xCount)*tileSize))
sx := (t % tileXNum) * tileSize sx := (t % tileXCount) * tileSize
sy := (t / tileXNum) * tileSize sy := (t / tileXCount) * tileSize
screen.DrawImage(tilesImage.SubImage(image.Rect(sx, sy, sx+tileSize, sy+tileSize)).(*ebiten.Image), op) screen.DrawImage(tilesImage.SubImage(image.Rect(sx, sy, sx+tileSize, sy+tileSize)).(*ebiten.Image), op)
} }
} }