ebiten/mobile/touches_mobile.go

// 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.

// +build android ios

package mobile

import (
	"github.com/hajimehoshi/ebiten/internal/driver"
	"github.com/hajimehoshi/ebiten/internal/input"
)

type position struct {
	x int
	y int
}

var (
	touches = map[int]position{}
)

func updateTouches() {
	ts := []*driver.Touch{}
	for id, position := range touches {
		ts = append(ts, &driver.Touch{
			ID: id,
			X:  position.x,
			Y:  position.y,
		})
	}
	type updater interface {
		Update(touches []*driver.Touch)
	}
	input.Get().(updater).Update(ts)
}