// Update is called once per frame
void Update()
{
// Find the pointer to the collider that defines the "zone".
Collider collider = gameObject.GetComponent <Collider>();
if (collider == null)
{
Debug.LogError("This Haptic Surface Demo Effect requires a collider");
return;
}
if (FrictionTexture == null)
{
Debug.LogError("This Haptic Surface Demo Effect requires a texture assigned to it.");
return;
}
Vector3 StylusPos = device.stylusPositionWorld; //World Coordinates
Vector3 CP = collider.ClosestPointOnBounds(StylusPos); //World Coordinates
float delta = (CP - StylusPos).magnitude;
if (delta < 1.0f)
{
Vector3 direction = transform.position - CP;
direction.Normalize();
// Cast a ray between the stylus and the center of the collider
RaycastHit[] hits = Physics.RaycastAll(CP, direction);
//There may be some false positives in the list, so loop through
//and find the hit on the current collider.
foreach (RaycastHit H in hits)
{
if (H.collider == collider)
{
// This is the correct hit, so retrieve the UV values...
Vector2 UV = H.textureCoord;
// Scale the UV to the size of the texture...
int U = (int)(UV.x * FrictionTexture.width);
int V = (int)(UV.y * FrictionTexture.height);
// Retrieve the color of that pixel.
Color C = FrictionTexture.GetPixel(U, V);
luminocity = C.grayscale;
break;
}
}
// Assign the haptic material setttings so that they transition proportionatly
// between the two values based on the luminocity of the texel.
float Value = luminocity;
float inVal = 1.0f - Value;
HapticPlugin.shape_settings(gameObject.GetInstanceID(),
hlStiffness * Value + hlStiffness2 * inVal,
hlDamping * Value + hlDamping2 * inVal,
hlStaticFriction * Value + hlStaticFriction2 * inVal,
hlDynamicFriction * Value + hlDynamicFriction2 * inVal,
hlPopThrough * Value + hlPopThrough2 * inVal);
}
}
//! Update is called once per frame and updates OpenHaptics with the current suface materials.
void Update()
{
bool needUpdate = false;
if (hlStiffness != oldStiffness)
{
needUpdate = true;
}
if (hlDamping != oldDamping)
{
needUpdate = true;
}
if (hlStaticFriction != oldStaticFriction)
{
needUpdate = true;
}
if (hlDynamicFriction != oldDynamicFriction)
{
needUpdate = true;
}
if (hlPopThrough != oldPopThrough)
{
needUpdate = true;
}
if (snapDistance != oldSnapDistance)
{
needUpdate = true;
}
if (hlTouchModel != oldTouchModel)
{
needUpdate = true;
}
if (Flip_Normals != oldFlipNormals)
{
needUpdate = true;
}
if (hlTouchable != oldFacing)
{
needUpdate = true;
}
if (needUpdate)
{
HapticPlugin.shape_settings(gameObject.GetInstanceID(), hlStiffness, hlDamping, hlStaticFriction, hlDynamicFriction, hlPopThrough);
int M = 0;
if (hlTouchModel == HLTOUCH_MODEL.HL_CONSTRAINT)
{
M = 1;
}
HapticPlugin.shape_constraintSettings(gameObject.GetInstanceID(), M, snapDistance);
HapticPlugin.shape_flipNormals(gameObject.GetInstanceID(), Flip_Normals);
int T = 1;
if (hlTouchable == HLFACING.HL_BACK)
{
T = 2;
}
if (hlTouchable == HLFACING.HL_FRONT_AND_BACK)
{
T = 3;
}
HapticPlugin.shape_facing(gameObject.GetInstanceID(), T);
oldStiffness = hlStiffness;
oldDamping = hlDamping;
oldStaticFriction = hlStaticFriction;
oldDynamicFriction = hlDynamicFriction;
oldTouchModel = hlTouchModel;
oldSnapDistance = snapDistance;
oldPopThrough = hlPopThrough;
oldFlipNormals = Flip_Normals;
oldFacing = hlTouchable;
}
}