status-im/mobile
2
0
Fork 0
mirror of synced 2025-02-22 06:28:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

x/mobile/example/sprite: use SubTex in example

Browse Source 
Fixes golang/go#9107

LGTM=nigeltao
R=nigeltao
CC=golang-codereviews, yliu
https://golang.org/cl/177800043
This commit is contained in:
David Crawshaw 2014-11-16 09:59:23 -05:00
parent 10b4dcd412
commit 0df569094b
1 changed files with 15 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
example/sprite/main.go
View File

@ -72,7 +72,7 @@ func loadScene() {
texs := loadTextures()
scene = &sprite.Node{}
eng.Register(scene)
eng.SetTransform(scene, 0, f32.Affine{
eng.SetTransform(scene, f32.Affine{
{1, 0, 0},
{0, 1, 0},
})
@ -80,15 +80,15 @@ func loadScene() {
var n *sprite.Node
n = newNode()
eng.SetTexture(n, 0, texs[texBooks])
eng.SetTransform(n, 0, f32.Affine{
eng.SetSubTex(n, texs[texBooks])
eng.SetTransform(n, f32.Affine{
{36, 0, 0},
{0, 36, 0},
})
n = newNode()
eng.SetTexture(n, 0, texs[texFire])
eng.SetTransform(n, 0, f32.Affine{
eng.SetSubTex(n, texs[texFire])
eng.SetTransform(n, f32.Affine{
{72, 0, 144},
{0, 72, 144},
})
@ -98,9 +98,9 @@ func loadScene() {
// TODO: use a tweening library instead of manually arranging.
t0 := uint32(t) % 120
if t0 < 60 {
eng.SetTexture(n, t, texs[texGopherR])
eng.SetSubTex(n, texs[texGopherR])
} else {
eng.SetTexture(n, t, texs[texGopherL])
eng.SetSubTex(n, texs[texGopherL])
}
u := float32(t0) / 120
@ -110,7 +110,7 @@ func loadScene() {
ty := 36 + u*108
sx := 36 + u*36
sy := 36 + u*36
eng.SetTransform(n, t, f32.Affine{
eng.SetTransform(n, f32.Affine{
{sx, 0, tx},
{0, sy, ty},
})
@ -124,7 +124,7 @@ const (
texGopherL
)
func loadTextures() (ret []sprite.Texture) {
func loadTextures() []sprite.SubTex {
f, err := os.Open("../../testdata/waza-gophers.jpeg")
if err != nil {
log.Fatal(err)
@ -134,26 +134,17 @@ func loadTextures() (ret []sprite.Texture) {
if err != nil {
log.Fatal(err)
}
sheet, err := eng.LoadSheet(img)
t, err := eng.LoadTexture(img)
if err != nil {
log.Fatal(err)
}
bounds := []image.Rectangle{
texBooks: image.Rect(4, 71, 132, 182),
texFire: image.Rect(330, 56, 440, 155),
texGopherR: image.Rect(152, 10, 152+140, 10+90),
texGopherL: image.Rect(162, 120, 162+140, 120+90),
return []sprite.SubTex{
texBooks: sprite.SubTex{t, image.Rect(4, 71, 132, 182)},
texFire: sprite.SubTex{t, image.Rect(330, 56, 440, 155)},
texGopherR: sprite.SubTex{t, image.Rect(152, 10, 152+140, 10+90)},
texGopherL: sprite.SubTex{t, image.Rect(162, 120, 162+140, 120+90)},
}
for _, b := range bounds {
tex, err := eng.LoadTexture(sheet, b)
if err != nil {
log.Fatal(err)
}
ret = append(ret, tex)
}
return ret
}
type arrangerFunc func(e sprite.Engine, n *sprite.Node, t clock.Time)