ebiten/internal/ui/vibrate_ios.go

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// Copyright 2021 The Ebiten Authors
//
// 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.
//go:build ios && !ebitencbackend
// +build ios,!ebitencbackend
package ui
// #cgo CFLAGS: -x objective-c
// #cgo LDFLAGS: -framework AVFoundation -framework CoreHaptics -framework Foundation
//
// #import <AVFoundation/AVFoundation.h>
// #import <CoreHaptics/CoreHaptics.h>
// #include <dispatch/dispatch.h>
//
// static id initializeHapticEngine(void) {
// if (@available(iOS 13.0, *)) {
// if (!CHHapticEngine.capabilitiesForHardware.supportsHaptics) {
// return nil;
// }
//
// NSError* error = nil;
// // Specify the AVAudioSession's shared instance so that this won't affect
// // the result of `[[AVAudioSession sharedInstance] secondaryAudioShouldBeSilencedHint]` (#1976).
// CHHapticEngine* engine =
// [[CHHapticEngine alloc] initWithAudioSession:[AVAudioSession sharedInstance]
// error:&error];
// if (error) {
// NSLog(@"CHHapticEngine::initAndReturnError failed: %@", error);
// return nil;
// }
//
// [engine startAndReturnError:&error];
// if (error) {
// NSLog(@"CHHapticEngine::startAndReturnError failed %@", error);
// return nil;
// }
// return engine;
// }
// return nil;
// }
//
// static void vibrateOnMainThread(double duration, double intensity) {
// if (@available(iOS 13.0, *)) {
// static BOOL initializeHapticEngineCalled = NO;
// static CHHapticEngine* engine = nil;
// if (!initializeHapticEngineCalled) {
// engine = (CHHapticEngine*)initializeHapticEngine();
// initializeHapticEngineCalled = YES;
// }
// if (!engine) {
// return;
// }
// @autoreleasepool {
// NSDictionary* hapticDict = @{
// (id<NSCopying>)(CHHapticPatternKeyPattern): @[
// @{
// (id<NSCopying>)(CHHapticPatternKeyEvent): @{
// (id<NSCopying>)(CHHapticPatternKeyEventType):CHHapticEventTypeHapticContinuous,
// (id<NSCopying>)(CHHapticPatternKeyTime):@0.0,
// (id<NSCopying>)(CHHapticPatternKeyEventDuration):[NSNumber numberWithDouble:duration],
// (id<NSCopying>)(CHHapticPatternKeyEventParameters):@[
// @{
// (id<NSCopying>)(CHHapticPatternKeyParameterID): CHHapticEventParameterIDHapticIntensity,
// (id<NSCopying>)(CHHapticPatternKeyParameterValue): [NSNumber numberWithDouble:intensity],
// },
// ],
// },
// },
// ],
// };
//
// NSError* error = nil;
// CHHapticPattern* pattern = [[CHHapticPattern alloc] initWithDictionary:hapticDict
// error:&error];
// if (error) {
// return;
// }
//
// id<CHHapticPatternPlayer> player = [engine createPlayerWithPattern:pattern
// error:&error];
// if (error) {
// return;
// }
//
// [player startAtTime:0 error:&error];
// if (error) {
// NSLog(@"3, %@", [error localizedDescription]);
// return;
// }
// }
// }
// }
//
// static void vibrate(double duration, double intensity) {
// dispatch_async(dispatch_get_main_queue(), ^{
// vibrateOnMainThread(duration, intensity);
// });
// }
import "C"
import (
"time"
)
func (u *UserInterface) Vibrate(duration time.Duration, magnitude float64) {
go func() {
C.vibrate(C.double(float64(duration)/float64(time.Second)), C.double(magnitude))
}()
}