ebiten/internal/uidriver/mobile/input.go

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// Copyright 2016 Hajime Hoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
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// +build android ios
package mobile
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import (
"sync"
"github.com/hajimehoshi/ebiten/internal/driver"
)
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type pos struct {
X int
Y int
}
type Input struct {
cursorX int
cursorY int
touches map[int]pos
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ui *UserInterface
m sync.RWMutex
}
func (i *Input) CursorPosition() (x, y int) {
i.m.RLock()
defer i.m.RUnlock()
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return i.ui.adjustPosition(i.cursorX, i.cursorY)
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}
func (i *Input) GamepadIDs() []int {
return nil
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}
func (i *Input) GamepadAxisNum(id int) int {
return 0
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}
func (i *Input) GamepadAxis(id int, axis int) float64 {
return 0
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}
func (i *Input) GamepadButtonNum(id int) int {
return 0
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}
func (i *Input) IsGamepadButtonPressed(id int, button driver.GamepadButton) bool {
return false
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}
func (i *Input) TouchIDs() []int {
i.m.RLock()
defer i.m.RUnlock()
if len(i.touches) == 0 {
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return nil
}
var ids []int
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for id := range i.touches {
ids = append(ids, id)
}
return ids
}
func (i *Input) TouchPosition(id int) (x, y int) {
i.m.RLock()
defer i.m.RUnlock()
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for tid, pos := range i.touches {
if id == tid {
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return i.ui.adjustPosition(pos.X, pos.Y)
}
}
return 0, 0
}
func (i *Input) RuneBuffer() []rune {
return nil
}
func (i *Input) IsKeyPressed(key driver.Key) bool {
return false
}
func (i *Input) Wheel() (xoff, yoff float64) {
return 0, 0
}
func (i *Input) IsMouseButtonPressed(key driver.MouseButton) bool {
return false
}
func (i *Input) update(touches []*driver.Touch) {
i.m.Lock()
i.touches = map[int]pos{}
for _, t := range touches {
i.touches[t.ID] = pos{
X: t.X,
Y: t.Y,
}
}
i.m.Unlock()
}
func (i *Input) ResetForFrame() {
// Do nothing
}