mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-11-10 04:57:26 +01:00
Code Issues Packages Projects Releases Wiki Activity

inpututil: Add IsKeyJustReleased and IsMouseButtonJustReleased (#504)

Browse Source
This commit is contained in:
Hajime Hoshi 2018-02-17 03:10:40 +09:00
parent ed9de264f0
commit 87f207d862
1 changed files with 33 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
inpututil/inpututil.go
View File

@ -24,8 +24,12 @@ import (
) )
type inputState struct { type inputState struct {
keyStates map[ebiten.Key]int keyStates map[ebiten.Key]int
mouseButtonStates map[ebiten.MouseButton]int prevKeyStates map[ebiten.Key]int
mouseButtonStates map[ebiten.MouseButton]int
prevMouseButtonStates map[ebiten.MouseButton]int
gamepadButtonStates map[int]map[ebiten.GamepadButton]int gamepadButtonStates map[int]map[ebiten.GamepadButton]int
touchStates map[int]int touchStates map[int]int
@ -33,8 +37,12 @@ type inputState struct {
} }
var theInputState = &inputState{ var theInputState = &inputState{
keyStates: map[ebiten.Key]int{}, keyStates: map[ebiten.Key]int{},
mouseButtonStates: map[ebiten.MouseButton]int{}, prevKeyStates: map[ebiten.Key]int{},
mouseButtonStates: map[ebiten.MouseButton]int{},
prevMouseButtonStates: map[ebiten.MouseButton]int{},
gamepadButtonStates: map[int]map[ebiten.GamepadButton]int{}, gamepadButtonStates: map[int]map[ebiten.GamepadButton]int{},
touchStates: map[int]int{}, touchStates: map[int]int{},
} }
@ -52,6 +60,7 @@ func (i *inputState) update() {
// Keyboard // Keyboard
for k := ebiten.Key(0); k <= ebiten.KeyMax; k++ { for k := ebiten.Key(0); k <= ebiten.KeyMax; k++ {
i.prevKeyStates[k] = i.keyStates[k]
if ebiten.IsKeyPressed(k) { if ebiten.IsKeyPressed(k) {
i.keyStates[k]++ i.keyStates[k]++
} else { } else {
@ -65,6 +74,7 @@ func (i *inputState) update() {
ebiten.MouseButtonRight, ebiten.MouseButtonRight,
ebiten.MouseButtonMiddle, ebiten.MouseButtonMiddle,
} { } {
i.prevMouseButtonStates[b] = i.mouseButtonStates[b]
if ebiten.IsMouseButtonPressed(b) { if ebiten.IsMouseButtonPressed(b) {
i.mouseButtonStates[b]++ i.mouseButtonStates[b]++
} else { } else {
@ -121,6 +131,15 @@ func IsKeyJustPressed(key ebiten.Key) bool {
return KeyPressDuration(key) == 1 return KeyPressDuration(key) == 1
} }
// IsKeyJustReleased returns a boolean value indicating
// whether the given key is released just in the current frame.
func IsKeyJustReleased(key ebiten.Key) bool {
theInputState.m.RLock()
r := theInputState.keyStates[key] == 0 && theInputState.prevKeyStates[key] > 0
theInputState.m.RUnlock()
return r
}
// KeyPressDuration returns how long the key is pressed in frames. // KeyPressDuration returns how long the key is pressed in frames.
func KeyPressDuration(key ebiten.Key) int { func KeyPressDuration(key ebiten.Key) int {
theInputState.m.RLock() theInputState.m.RLock()
@ -135,6 +154,16 @@ func IsMouseButtonJustPressed(button ebiten.MouseButton) bool {
return MouseButtonPressDuration(button) == 1 return MouseButtonPressDuration(button) == 1
} }
// IsMouseButtonJustReleased returns a boolean value indicating
// whether the given mouse button is released just in the current frame.
func IsMouseButtonJustReleased(button ebiten.MouseButton) bool {
theInputState.m.RLock()
r := theInputState.mouseButtonStates[button] == 0 &&
theInputState.prevMouseButtonStates[button] > 0
theInputState.m.RUnlock()
return r
}
// MouseButtonPressDuration returns how long the mouse button is pressed in frames. // MouseButtonPressDuration returns how long the mouse button is pressed in frames.
func MouseButtonPressDuration(button ebiten.MouseButton) int { func MouseButtonPressDuration(button ebiten.MouseButton) int {
theInputState.m.RLock() theInputState.m.RLock()