Remove Texture.Width()/Height()

example/game/monochrome/monochrome.go

@@ -9,6 +9,11 @@ import (
 	"os"
 )
 
+const (
+	ebitenTextureWidth = 57
+	ebitenTextureHeight = 26
+)
+
 type Monochrome struct {
 	ebitenTexture  graphics.Texture
 	ch             chan bool
@@ -89,8 +94,8 @@ func (game *Monochrome) Update(context ebiten.GameContext) {
 	<-game.ch
 
 	game.geometryMatrix = matrix.IdentityGeometry()
-	tx := context.ScreenWidth()/2 - game.ebitenTexture.Width()/2
+	tx := context.ScreenWidth()/2 - ebitenTextureWidth/2
-	ty := context.ScreenHeight()/2 - game.ebitenTexture.Height()/2
+	ty := context.ScreenHeight()/2 - ebitenTextureHeight/2
 	game.geometryMatrix.Translate(float64(tx), float64(ty))
 }
 

example/game/rects/rects.go

@@ -20,10 +20,10 @@ type Rects struct {
 }
 
 const (
-	rectTextureWidth = 16
+	rectTextureWidth  = 16
 	rectTextureHeight = 16
-	offscreenWidth = 256
+	offscreenWidth    = 256
-	offscreenHeight = 240
+	offscreenHeight   = 240
 )
 
 func New() *Rects {

example/game/rotating/rotating.go

@@ -10,6 +10,11 @@ import (
 	"os"
 )
 
+const (
+	ebitenTextureWidth = 57
+	ebitenTextureHeight = 26
+)
+
 type Rotating struct {
 	ebitenTexture  graphics.Texture
 	x              int
@@ -40,7 +45,7 @@ func (game *Rotating) Update(context ebiten.GameContext) {
 	game.x++
 
 	game.geometryMatrix = matrix.IdentityGeometry()
-	tx, ty := float64(game.ebitenTexture.Width()), float64(game.ebitenTexture.Height())
+	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.Translate(tx/2, ty/2)

example/game/sprites/sprites.go

@@ -10,6 +10,11 @@ import (
 	"time"
 )
 
+const (
+	ebitenTextureWidth = 57
+	ebitenTextureHeight = 26
+)
+
 type Sprite struct {
 	width  int
 	height int
@@ -90,8 +95,8 @@ func (game *Sprites) Update(context ebiten.GameContext) {
 			sprite := newSprite(
 				context.ScreenWidth(),
 				context.ScreenHeight(),
-				game.ebitenTexture.Width(),
+				ebitenTextureWidth,
-				game.ebitenTexture.Height())
+				ebitenTextureHeight)
 			game.sprites = append(game.sprites, sprite)
 		}
 	}
@@ -112,7 +117,7 @@ func (game *Sprites) Draw(g graphics.Context) {
 			LocationX: sprite.x,
 			LocationY: sprite.y,
 			Source: graphics.Rect{
-				0, 0, texture.Width(), texture.Height(),
+				0, 0, ebitenTextureWidth, ebitenTextureHeight,
 			},
 		}
 		locations = append(locations, location)

graphics/graphics.go

@@ -39,8 +39,6 @@ type TextureFactory interface {
 
 type Texture interface {
 	ID() TextureID
-	Width() int
-	Height() int
 }
 
 type TextureID int