mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-12-24 18:58:54 +01:00
Code Issues Packages Projects Releases Wiki Activity

examples/sprite: Refactoring

Browse Source
This commit is contained in:
Hajime Hoshi 2018-06-17 18:44:32 +09:00
parent 1849b59741
commit 9f34b79297
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
examples/sprites/main.go
View File

@ -56,19 +56,21 @@ func (s *Sprite) Update() {
if s.x < 0 {
s.x = -s.x
s.vx = -s.vx
} else if screenWidth <= s.x+s.imageWidth {
s.x = 2*(screenWidth-s.imageWidth) - s.x
} else if mx := screenWidth - s.imageWidth; mx <= s.x {
s.x = 2*mx - s.x
s.vx = -s.vx
}
if s.y < 0 {
s.y = -s.y
s.vy = -s.vy
} else if screenHeight <= s.y+s.imageHeight {
s.y = 2*(screenHeight-s.imageHeight) - s.y
} else if my := screenHeight - s.imageHeight; my <= s.y {
s.y = 2*my - s.y
s.vy = -s.vy
}
s.angle++
s.angle %= maxAngle
if s.angle == maxAngle {
s.angle = 0
}
}
type Sprites struct {