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Code Issues Packages Projects Releases Wiki Activity

examples/ui: Use inpututil (#415)

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This commit is contained in:
Hajime Hoshi 2018-02-04 23:51:15 +09:00
parent 67ebf848e7
commit 1f1de9763f
1 changed files with 5 additions and 24 deletions
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29
examples/ui/main.go
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@ -28,6 +28,7 @@ import (
"github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/ebitenutil"
"github.com/hajimehoshi/ebiten/inpututil"
"github.com/hajimehoshi/ebiten/text"
)
@ -94,24 +95,6 @@ type Input struct {
mouseButtonState int
}
var theInput = &Input{}
func (i *Input) Update() {
if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
i.mouseButtonState++
} else {
i.mouseButtonState = 0
}
}
func (i *Input) IsMouseButtonPressed() bool {
return i.mouseButtonState > 0
}
func (i *Input) IsMouseButtonTriggered() bool {
return i.mouseButtonState == 1
}
func drawNinePatches(dst *ebiten.Image, dstRect image.Rectangle, srcRect image.Rectangle) {
srcX := srcRect.Min.X
srcY := srcRect.Min.Y
@ -177,7 +160,7 @@ type Button struct {
}
func (b *Button) Update() {
if theInput.IsMouseButtonPressed() {
if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
x, y := ebiten.CursorPosition()
if b.Rect.Min.X <= x && x < b.Rect.Max.X && b.Rect.Min.Y <= y && y < b.Rect.Max.Y {
b.mouseDown = true
@ -261,7 +244,7 @@ func (v *VScrollBar) ContentOffset() int {
func (v *VScrollBar) Update(contentHeight int) {
v.thumbRate = float64(v.Height) / float64(contentHeight)
if !v.dragging && theInput.IsMouseButtonTriggered() {
if !v.dragging && inpututil.IsMouseButtonJustPressed(ebiten.MouseButtonLeft) {
x, y := ebiten.CursorPosition()
tr := v.thumbRect()
if tr.Min.X <= x && x < tr.Max.X && tr.Min.Y <= y && y < tr.Max.Y {
@ -271,7 +254,7 @@ func (v *VScrollBar) Update(contentHeight int) {
}
}
if v.dragging {
if theInput.IsMouseButtonPressed() {
if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
_, y := ebiten.CursorPosition()
v.thumbOffset = v.draggingStartOffset + (y - v.draggingStartY)
if v.thumbOffset < 0 {
@ -409,7 +392,7 @@ func (c *CheckBox) width() int {
}
func (c *CheckBox) Update() {
if theInput.IsMouseButtonPressed() {
if ebiten.IsMouseButtonPressed(ebiten.MouseButtonLeft) {
x, y := ebiten.CursorPosition()
if c.X <= x && x < c.X+c.width() && c.Y <= y && y < c.Y+checkboxHeight {
c.mouseDown = true
@ -489,8 +472,6 @@ func init() {
}
func update(screen *ebiten.Image) error {
theInput.Update()
button1.Update()
button2.Update()
checkBox.Update()