void TurnEffectOn()
{
if (HapticDevice == null)
{
return; //If there is no device, bail out early.
}
// If a haptic effect has not been assigned through Open Haptics, assign one now.
if (FXID == -1)
{
FXID = HapticPlugin.effects_assignEffect(HapticDevice.configName);
if (FXID == -1) // Still broken?
{
Debug.LogError("Unable to assign Haptic effect.");
return;
}
}
// Send the effect settings to OpenHaptics.
double[] pos = { 0.0, 0.0, 0.0 }; // Position (not used for vibration)
double[] dir = { 0.0, 1.0, 0.0 }; // Direction of vibration
HapticPlugin.effects_settings(
HapticDevice.configName,
FXID,
0.33, // Gain
0.33, // Magnitude
300, // Frequency
pos, // Position (not used for vibration)
dir); //Direction.
HapticPlugin.effects_type(HapticDevice.configName, FXID, 4); // Vibration effect == 4
HapticPlugin.effects_startEffect(HapticDevice.configName, FXID);
}
//! Update() is called once per frame.
//!
//! This function
//! - Determines if a haptic stylus is inside the collider
//! - Updates the effect settings.
//! - Starts and stops the effect when appropriate.
void Update()
{
// Find the pointer to the collider that defines the "zone".
Collider collider = gameObject.GetComponent <Collider>();
if (collider == null)
{
Debug.LogError("This Haptic Effect Zone requires a collider");
return;
}
// Update the World-Space vectors
focusPointWorld = transform.TransformPoint(Position);
directionWorld = transform.TransformDirection(Direction);
// Update the effect seperately for each haptic device.
for (int ii = 0; ii < devices.Length; ii++)
{
HapticPlugin device = devices [ii];
bool oldInTheZone = inTheZone[ii];
int ID = FXID [ii];
// If a haptic effect has not been assigned through Open Haptics, assign one now.
if (ID == -1)
{
FXID [ii] = HapticPlugin.effects_assignEffect(devices [ii].configName);
ID = FXID [ii];
if (ID == -1) // Still broken?
{
Debug.LogError("Unable to assign Haptic effect.");
continue;
}
}
// Determine if the stylus is in the "zone".
Vector3 StylusPos = device.stylusPositionWorld; //World Coordinates
Vector3 CP = collider.ClosestPoint(StylusPos); //World Coordinates
devicePoint[ii] = CP;
delta[ii] = (CP - StylusPos).magnitude;
//If the stylus is within the Zone, The ClosestPoint and the Stylus point will be identical.
if (delta[ii] <= Mathf.Epsilon)
{
inTheZone [ii] = true;
// Convert from the World coordinates to coordinates relative to the haptic device.
Vector3 focalPointDevLocal = device.transform.InverseTransformPoint(focusPointWorld);
Vector3 rotationDevLocal = device.transform.InverseTransformDirection(directionWorld);
double[] pos = { focalPointDevLocal.x, focalPointDevLocal.y, focalPointDevLocal.z };
double[] dir = { rotationDevLocal.x, rotationDevLocal.y, rotationDevLocal.z };
double Mag = Magnitude;
if (device.isInSafetyMode())
{
Mag = 0;
}
// Send the current effect settings to OpenHaptics.
HapticPlugin.effects_settings(
device.configName,
ID,
Gain,
Mag,
Frequency,
pos,
dir);
HapticPlugin.effects_type(
device.configName,
ID,
(int)effectType);
}
else
{
inTheZone [ii] = false;
// Note : If the device is not in the "Zone", there is no need to update the effect settings.
}
// If the on/off state has changed since last frame, send a Start or Stop event to OpenHaptics
if (oldInTheZone != inTheZone [ii])
{
if (inTheZone [ii])
{
HapticPlugin.effects_startEffect(device.configName, ID);
}
else
{
HapticPlugin.effects_stopEffect(device.configName, ID);
}
}
}
}