diff --git a/_docs/index.tmpl.html b/_docs/index.tmpl.html
index 472f81dd9..70a12d956 100644
--- a/_docs/index.tmpl.html
+++ b/_docs/index.tmpl.html
@@ -99,7 +99,7 @@ pre {
Change Log
-2016-04-22
+2016-04-23
- v1.3.0-rc1 released.
diff --git a/_docs/public/examples/alphablending.html b/_docs/public/examples/alphablending.html
index c8e8de1d8..f2a2c36f4 100644
--- a/_docs/public/examples/alphablending.html
+++ b/_docs/public/examples/alphablending.html
@@ -53,11 +53,30 @@ const (
)
var (
- count int
- tmpRenderTarget *ebiten.Image
- ebitenImage *ebiten.Image
+ count int
+ ebitenImage *ebiten.Image
)
+type imageParts struct {
+ diff float64
+}
+
+func (p *imageParts) Src(i int) (int, int, int, int) {
+ w, h := ebitenImage.Size()
+ return 0, 0, w, h
+}
+
+func (p *imageParts) Dst(i int) (int, int, int, int) {
+ x := int(float64(i%10)*p.diff + 15)
+ y := int(float64(i/10)*p.diff + 20)
+ w, h := ebitenImage.Size()
+ return x, y, x + w, y + h
+}
+
+func (p *imageParts) Len() int {
+ return 10 * 10
+}
+
func update(screen *ebiten.Image) error {
count++
count %= ebiten.FPS * 10
@@ -69,27 +88,15 @@ func update(screen *ebiten.Image) error {
diff = float64(480-count) * 0.2
}
- if err := tmpRenderTarget.Clear(); err != nil {
+ screen.Fill(color.NRGBA{0x00, 0x00, 0x80, 0xff})
+ op := &ebiten.DrawImageOptions{}
+ op.ColorM.Scale(1.0, 1.0, 1.0, 0.5)
+ op.ImageParts = &imageParts{
+ diff: diff,
+ }
+ if err := screen.DrawImage(ebitenImage, op); err != nil {
return err
}
- for i := 0; i < 10; i++ {
- op := &ebiten.DrawImageOptions{}
- op.GeoM.Translate(15+float64(i)*diff, 20)
- op.ColorM.Scale(1.0, 1.0, 1.0, 0.5)
- if err := tmpRenderTarget.DrawImage(ebitenImage, op); err != nil {
- return err
- }
- }
-
- screen.Fill(color.NRGBA{0x00, 0x00, 0x80, 0xff})
- for i := 0; i < 10; i++ {
- op := &ebiten.DrawImageOptions{}
- op.GeoM.Translate(0, float64(i)*diff)
- if err := screen.DrawImage(tmpRenderTarget, op); err != nil {
- return err
- }
- }
-
return nil
}
@@ -99,10 +106,6 @@ func main() {
if err != nil {
log.Fatal(err)
}
- tmpRenderTarget, err = ebiten.NewImage(screenWidth, screenHeight, ebiten.FilterNearest)
- if err != nil {
- log.Fatal(err)
- }
if err := ebiten.Run(update, screenWidth, screenHeight, 2, "Alpha Blending (Ebiten Demo)"); err != nil {
log.Fatal(err)
}
diff --git a/_docs/public/index.html b/_docs/public/index.html
index 9dd3e466c..956d42c57 100644
--- a/_docs/public/index.html
+++ b/_docs/public/index.html
@@ -111,7 +111,7 @@ pre {
Change Log
-2016-04-22
+2016-04-23