pyobjc_corehaptics_engine_init_with_hardware_support_check.py

1import CoreHaptics
2import Foundation
3import objc
4
5def quickstart_haptics():
6    # 1. Check if the current device supports haptics
7    capabilities = CoreHaptics.CHHapticEngine.capabilitiesForHardware()
8    if not capabilities.supportsHaptics():
9        print("Haptics are not supported on this hardware.")
10        return
11
12    # 2. Initialize the Engine
13    try:
14        # Create the engine instance
15        engine = CoreHaptics.CHHapticEngine.alloc().initAndReturnError_(None)
16        
17        # Start the engine
18        engine.startAndReturnError_(None)
19        print("Haptic Engine started successfully.")
20
21        # 3. Define a simple haptic event (Transient pulse)
22        event = CoreHaptics.CHHapticEvent.alloc().initWithEventType_parameters_relativeTime_(
23            CoreHaptics.CHHapticEventTypeHapticTransient,
24            [], # No custom parameters, use defaults
25            0.0 # Start immediately
26        )
27
28        # 4. Create a pattern and a player
29        pattern = CoreHaptics.CHHapticPattern.alloc().initWithEvents_parameters_error_(
30            [event], [], None
31        )
32        player = engine.makePlayerWithPattern_error_(pattern, None)
33
34        # 5. Play the haptic pulse
35        player.startAtTime_error_(0, None)
36        print("Haptic pulse triggered.")
37
38    except Exception as e:
39        print(f"Failed to run haptics: {e}")
40
41if __name__ == "__main__":
42    quickstart_haptics()