public void RotateObject()
{
Vector3 cameraPosition = Camera.main.transform.position;
float currentRightFaceDistance = Vector3.Distance(cameraPosition, handsManager.rightHandPosition);
float currentLeftFaceDistance = Vector3.Distance(cameraPosition, handsManager.leftHandPosition);
float sign;
float angle;
Vector3 cross;
Vector3 newPosition, oldPosition;
int resetFrames = NUM_FRAMES_RESET;
Vector3 rotationAxis = handsManager.axisForRotation;
if (handsManager.rotationFrameNumber == 0)
{
SetInitialPositions(handsManager.initialRight, handsManager.initialLeft);
initialGazeDirection = handsManager.objCenter - Camera.main.transform.position; //or can use Camera.main.transform.forward;
}
switch (handsManager.rotationType)
{
case pitchRotation:
if (TwoHandedGesturesManager.TECHNIQUE_SELECTED == TwoHandedGesturesManager.TECHNIQUE_1)
{
sign = ((handsManager.rightHandPosition.y - rotationInitialRight.y) + (handsManager.leftHandPosition.y - rotationInitialLeft.y)) / 2;
}
else
{
sign = ((initialRightFaceDistance - currentRightFaceDistance) + (currentLeftFaceDistance - initialLeftFaceDistance)) / 2;
if (rotationInitialRight.y > rotationInitialLeft.y)
{
sign *= -1;
}
}
RotateOnAxis(sign, rotationAxis, ref lastPitchRotationAmount);
break;
case rollRotation:
sign = ((handsManager.rightHandPosition.y - rotationInitialRight.y) + (rotationInitialLeft.y - handsManager.leftHandPosition.y)) / 2;
RotateOnAxis(sign, rotationAxis, ref lastRollRotationAmount);
break;
case yawRotation:
sign = ((initialRightFaceDistance - currentRightFaceDistance) + (currentLeftFaceDistance - initialLeftFaceDistance)) / 2;
RotateOnAxis(sign, rotationAxis, ref lastYawRotationAmount);
break;
case spindleRotation:
Vector3 newRightSide = handsManager.rightHandSpindlePosition - handsManager.objCenter;
Vector3 oldRightSide = handsManager.rightHandInitialSpindlePosition - handsManager.objCenter;
Vector3 newLeftSide = handsManager.leftHandSpindlePosition - handsManager.objCenter;
Vector3 oldLeftSide = handsManager.leftHandInitialSpindlePosition - handsManager.objCenter;
angle = -(Vector3.Angle(oldRightSide, newRightSide) + Vector3.Angle(oldLeftSide, newLeftSide)) / 2;
cross = Vector3.Cross(newRightSide, oldRightSide);
// attempt at pitch starts here
sign = ((handsManager.rightHandPosition.y - rotationInitialRight.y) + (handsManager.leftHandPosition.y - rotationInitialLeft.y)) / 3;
rotationAxis = handsManager.rightHandSpindlePosition - handsManager.leftHandSpindlePosition;
RotateOnAxis(sign, rotationAxis, ref lastPitchRotationAmount);
// and it ends here
if (handsManager.rotationFrameNumber != 0)
{
handsManager.objFocused.transform.RotateAround(handsManager.objCenter, lastAxis, -lastYawRotationAmount);
handsManager.boundingSphere.transform.RotateAround(handsManager.objCenter, lastAxis, -lastYawRotationAmount);
}
lastAxis = cross;
handsManager.objFocused.transform.RotateAround(handsManager.objCenter, cross, angle); // = rotation;
handsManager.boundingSphere.transform.RotateAround(handsManager.objCenter, cross, angle);
TwoHandedCursorManager.SetBoundingCubeSize(handsManager.objFocused, handsManager.boundingCube);
lastYawRotationAmount = angle;
++handsManager.rotationFrameNumber;
break;
case arcBallRotation:
newPosition = handsManager.arcBallHandPosition - handsManager.objCenter;
oldPosition = handsManager.initialArcballHandPosition - handsManager.objCenter;
angle = -Vector3.Angle(oldPosition, newPosition);
cross = Vector3.Cross(newPosition, oldPosition);
if (handsManager.rotationFrameNumber != 0)
{
handsManager.objFocused.transform.RotateAround(handsManager.objCenter, lastAxis, -lastPitchRotationAmount);
handsManager.boundingSphere.transform.RotateAround(handsManager.objCenter, lastAxis, -lastPitchRotationAmount);
}
lastAxis = cross;
handsManager.objFocused.transform.RotateAround(handsManager.objCenter, cross, angle);
handsManager.boundingSphere.transform.RotateAround(handsManager.objCenter, cross, angle);
TwoHandedCursorManager.SetBoundingCubeSize(handsManager.objFocused, handsManager.boundingCube);
lastPitchRotationAmount = angle;
++handsManager.rotationFrameNumber;
return;
case wireFrameRotation:
float initialDistance;
float newDistance;
Vector3 C, A;
C = handsManager.handBeingTrackedPosition;
A = handsManager.initialHandBeingTrackedPosition;
initialDistance = Vector3.Distance(handsManager.initialHandBeingTrackedPosition, handsManager.objCenter);
newDistance = Vector3.Distance(handsManager.handBeingTrackedPosition, handsManager.objCenter);
float sign2;
if (TwoHandedCursorManager.sphereIndexUnderCursor < 4)
{
sign = handsManager.DotProduct(Camera.main.transform.position, Camera.main.transform.forward, C) - handsManager.DotProduct(Camera.main.transform.position, Camera.main.transform.forward, A);
//yaw
}
else if (TwoHandedCursorManager.sphereIndexUnderCursor < 6)
{
// pitch
sign = initialDistance - newDistance;
sign2 = handsManager.handBeingTrackedPosition.y - handsManager.initialHandBeingTrackedPosition.y;
sign = (sign + sign2);
}
else
{
sign = handsManager.DotProduct(Camera.main.transform.position, Camera.main.transform.forward, A) - handsManager.DotProduct(Camera.main.transform.position, Camera.main.transform.forward, C);
sign2 = handsManager.initialHandBeingTrackedPosition.y - handsManager.handBeingTrackedPosition.y;
sign = (sign + sign2);
//roll
}
RotateOnAxis(sign, handsManager.axisForRotation, ref lastPitchRotationAmount);
++handsManager.rotationFrameNumber;
return;
case selectionRotation:
newPosition = handsManager.arcBallHandPosition - handsManager.objCenter;
oldPosition = handsManager.initialArcballHandPosition - handsManager.objCenter;
angle = -Vector3.Angle(oldPosition, newPosition);
cross = Vector3.Cross(newPosition, oldPosition);
if (handsManager.rotationFrameNumber != 0)
{
handsManager.objFocused.transform.RotateAround(handsManager.objCenter, lastAxis, -lastPitchRotationAmount);
handsManager.boundingSphere.transform.RotateAround(handsManager.objCenter, lastAxis, -lastPitchRotationAmount);
}
lastAxis = cross;
handsManager.objFocused.transform.RotateAround(handsManager.objCenter, cross, angle);
handsManager.boundingSphere.transform.RotateAround(handsManager.objCenter, cross, angle);
TwoHandedCursorManager.SetBoundingCubeSize(handsManager.objFocused, handsManager.boundingCube);
lastPitchRotationAmount = angle;
++handsManager.rotationFrameNumber;
return;
default:
GuessRotationType();
return;
}
if (++handsManager.rotationFrameNumber % resetFrames == 0)
{
SetInitialPositions(handsManager.rightHandPosition, handsManager.leftHandPosition);
}
}
public void ScaleObject()
{
float initialDistance;
float newDistance;
float linearScale;
float scale;
if (TwoHandedGesturesManager.TECHNIQUE_SELECTED == TwoHandedGesturesManager.TECHNIQUE_5)
{
initialDistance = Vector3.Distance(handsManager.initialHandBeingTrackedPosition, handsManager.objCenter);
newDistance = Vector3.Distance(handsManager.handBeingTrackedPosition, handsManager.objCenter);
Vector3 C = handsManager.handBeingTrackedPosition;
Vector3 A = handsManager.initialHandBeingTrackedPosition;
float sign = handsManager.DotProduct(handsManager.objCenter, Camera.main.transform.position - handsManager.objCenter, TwoHandedCursorManager.objectUnderCursor.transform.position);
float sign2 = handsManager.DotProduct(Camera.main.transform.position, Camera.main.transform.forward, C) - handsManager.DotProduct(Camera.main.transform.position, Camera.main.transform.forward, A);;
if (sign > 0)
{
newDistance -= sign2;
}
else
{
newDistance += sign2;
}
}
else
{
initialDistance = Vector3.Distance(handsManager.initialLeft, handsManager.initialRight);
newDistance = Vector3.Distance(handsManager.leftHandPosition, handsManager.rightHandPosition);
}
linearScale = newDistance / initialDistance;
if (TwoHandedGesturesManager.TECHNIQUE_SELECTED == TwoHandedGesturesManager.TECHNIQUE_5)
{
scale = (float)Mathf.Pow(linearScale, 15f);
}
else if (TwoHandedGesturesManager.TECHNIQUE_SELECTED != TwoHandedGesturesManager.TECHNIQUE_3)
{
scale = (float)Mathf.Pow(linearScale, 4f);
}
else
{
scale = (float)Mathf.Pow(linearScale, 2f);
}
Vector3 newSize = handsManager.initialSize;
newSize *= scale;
Vector3 newBoundsSize = handsManager.objFocused.GetComponent <Renderer>().bounds.size *scale;
float x = newBoundsSize.x, y = newBoundsSize.y, z = newBoundsSize.z;
float smallestSideLimit = .017f;
float largestSide = Mathf.Max(x, Mathf.Max(y, z));
if (largestSide <= smallestSideLimit)
{
if ((x > y) && (x > z))
{
newSize.x = newSize.y = newSize.z = smallestSideLimit * newSize.x / x;
}
else if ((y > x) && (y > z))
{
newSize.x = newSize.y = newSize.z = smallestSideLimit * newSize.y / y;
}
else
{
newSize.x = newSize.y = newSize.z = smallestSideLimit * newSize.z / z;
}
}
TwoHandedCursorManager.extents[handsManager.objFocused] = newSize.x / handsManager.initialSize.x * handsManager.initialExtent;
Vector3 oldCenter = handsManager.objFocused.GetComponent <Renderer> ().bounds.center;
handsManager.objFocused.transform.localScale = newSize;
Vector3 newCenter = handsManager.objFocused.GetComponent <Renderer> ().bounds.center;
handsManager.objFocused.transform.position += (oldCenter - newCenter);
TwoHandedCursorManager.SetBoundingCubeSize(handsManager.objFocused, handsManager.boundingCube);
}
