Renamed methods

example/game/rotating_image.go

@@ -56,8 +56,7 @@ func (game *RotatingImage) Draw(g graphics.GraphicsContext, offscreen graphics.T
 	centerY := float64(game.ScreenHeight()) / 2
 	geometryMatrix.Translate(centerX-tx/2, centerY-ty/2)
 
-	g.DrawTexture(game.ebitenTexture.ID,
-		graphics.Rect{0, 0, int(tx), int(ty)},
+	g.DrawTexture(game.ebitenTexture,
 		geometryMatrix,
 		matrix.IdentityColor())
 }

example/game/sprites.go

@@ -11,26 +11,26 @@ import (
 )
 
 type Sprite struct {
-	width int
+	width  int
 	height int
-	ch      chan bool
-	x       int
-	y       int
-	vx      int
-	vy      int
+	ch     chan bool
+	x      int
+	y      int
+	vx     int
+	vy     int
 }
 
 func NewSprite(screenWidth, screenHeight, width, height int) *Sprite {
 	maxX := screenWidth - width
 	maxY := screenHeight - height
 	sprite := &Sprite{
-		width: width,
+		width:  width,
 		height: height,
-		ch:      make(chan bool),
-		x:       rand.Intn(maxX),
-		y:       rand.Intn(maxY),
-		vx:      rand.Intn(2)*2 - 1,
-		vy:      rand.Intn(2)*2 - 1,
+		ch:     make(chan bool),
+		x:      rand.Intn(maxX),
+		y:      rand.Intn(maxY),
+		vx:     rand.Intn(2)*2 - 1,
+		vy:     rand.Intn(2)*2 - 1,
 	}
 	go sprite.update(screenWidth, screenHeight)
 	return sprite
@@ -61,6 +61,7 @@ func (sprite *Sprite) Update() {
 type Sprites struct {
 	ebitenTexture graphics.Texture
 	sprites       []*Sprite
+	angle int
 }
 
 func NewSprites() *Sprites {
@@ -102,6 +103,7 @@ func (game *Sprites) Update() {
 	for _, sprite := range game.sprites {
 		sprite.Update()
 	}
+	game.angle++
 }
 
 func (game *Sprites) Draw(g graphics.GraphicsContext, offscreen graphics.Texture) {
@@ -120,8 +122,9 @@ func (game *Sprites) Draw(g graphics.GraphicsContext, offscreen graphics.Texture
 		}
 		locations = append(locations, location)
 	}
-	g.DrawTextures(texture.ID, locations,
-		matrix.IdentityGeometry(), matrix.IdentityColor())
+	geometryMatrix := matrix.IdentityGeometry()
+	g.DrawTextureParts(texture.ID, locations,
+		geometryMatrix, matrix.IdentityColor())
 }
 
 func init() {

graphics/graphics.go

@@ -27,12 +27,13 @@ type TextureLocation struct {
 type GraphicsContext interface {
 	Clear()
 	Fill(color color.Color)
-	DrawTexture(textureId TextureID,
-		source Rect,
-		geometryMatrix matrix.Geometry, colorMatrix matrix.Color)
-	DrawTextures(textureId TextureID,
+	DrawTexture(texture Texture,
+		geometryMatrix matrix.Geometry,
+		colorMatrix matrix.Color)
+	DrawTextureParts(textureId TextureID,
 		locations []TextureLocation,
-		geometryMatrix matrix.Geometry, colorMatrix matrix.Color)
+		geometryMatrix matrix.Geometry,
+		colorMatrix matrix.Color)
 	SetOffscreen(textureId TextureID)
 }
 

graphics/opengl/device.go

@@ -55,10 +55,7 @@ func (device *Device) Update() {
 			{0, scale, 0},
 		},
 	}
-	g.DrawTexture(device.offscreenTexture.ID,
-		graphics.Rect{
-			0, 0, device.screenWidth, device.screenHeight,
-		},
+	g.DrawTexture(device.offscreenTexture,
 		geometryMatrix, matrix.IdentityColor())
 	g.flush()
 }

graphics/opengl/graphics_context.go

@@ -66,14 +66,15 @@ func (context *GraphicsContext) DrawRect(x, y, width, height int, clr color.Colo
 }
 
 func (context *GraphicsContext) DrawTexture(
-	textureID graphics.TextureID, source graphics.Rect,
+	texture graphics.Texture,
 	geometryMatrix matrix.Geometry, colorMatrix matrix.Color) {
+	source := graphics.Rect{0, 0, texture.Width, texture.Height}
 	locations := []graphics.TextureLocation{{0, 0, source}}
-	context.DrawTextures(textureID, locations,
+	context.DrawTextureParts(texture.ID, locations,
 		geometryMatrix, colorMatrix)
 }
 
-func (context *GraphicsContext) DrawTextures(
+func (context *GraphicsContext) DrawTextureParts(
 	textureID graphics.TextureID, locations []graphics.TextureLocation,
 	geometryMatrix matrix.Geometry, colorMatrix matrix.Color) {