private Vector3 GetScale(IPositionGesture gesture)
{
var gesturePosLeft = gesture.GetGesturePosition(Hand.Left);
var gesturePosRight = gesture.GetGesturePosition(Hand.Right);
var MinScale = 0.001f;
var MaxScale = 1;
var scale = gesturePosLeft - gesturePosRight;
var scaleX = Mathf.Clamp(Mathf.Abs(scale.x), MinScale, MaxScale) / 10f;
var scaleY = 1;
var scaleZ = Mathf.Clamp(Mathf.Abs(scale.y), MinScale, MaxScale) / 10f;
return(new Vector3(scaleX, scaleY, scaleZ));
}
private Vector3 GetScale(IPositionGesture gesture)
{
var gesturePosLeft = gesture.GetGesturePosition(Hand.Left);
var gesturePosRight = gesture.GetGesturePosition(Hand.Right);
var MinScale = 0.001f;
var MaxScale = 1;
var scale = gesturePosLeft - gesturePosRight;
var scaleX = Mathf.Clamp(Mathf.Abs(scale.x), MinScale, MaxScale) / 10f;
var scaleY = 1;
var scaleZ = Mathf.Clamp(Mathf.Abs(scale.y), MinScale, MaxScale) / 10f;
return new Vector3(scaleX, scaleY, scaleZ);
}
private Vector3 GetRotation(IPositionGesture gesture)
{
var gesturePosLeft = gesture.GetGesturePosition(Hand.Left);
var gesturePosRight = gesture.GetGesturePosition(Hand.Right);
var delta = gesturePosRight - gesturePosLeft;
var rad = Mathf.Atan2(delta.z, delta.x);
var deg = rad * (180f / Mathf.PI);
if (deg < -90)
deg += 180;
if (deg > 90)
deg -= 180;
return new Vector3(270, -deg, 0);
}
private Quaternion GetRotation(IPositionGesture gesture)
{
// rotation only supported for cubes, since we use the 3d position for scale otherwise
if (!UseUniformScale)
{
return(Quaternion.identity);
}
var defaultVector = Vector3.one;
var gestureVector = gesture.GetGesturePosition(Hand.Right) - gesture.GetGesturePosition(Hand.Left);
var rotation = Quaternion.FromToRotation(defaultVector, gestureVector).eulerAngles;
// rotate a bit back so that fingers hold the X-axis of the cube, rather than the corners
rotation.x = 0;
rotation.y -= 45f;
rotation.z -= 45f;
return(Quaternion.Euler(rotation));
}
private Vector3 GetRotation(IPositionGesture gesture)
{
var gesturePosLeft = gesture.GetGesturePosition(Hand.Left);
var gesturePosRight = gesture.GetGesturePosition(Hand.Right);
var delta = gesturePosRight - gesturePosLeft;
var rad = Mathf.Atan2(delta.z, delta.x);
var deg = rad * (180f / Mathf.PI);
if (deg < -90)
{
deg += 180;
}
if (deg > 90)
{
deg -= 180;
}
return(new Vector3(270, -deg, 0));
}
private Vector3 GetScale(IPositionGesture gesture)
{
var gesturePosLeft = gesture.GetGesturePosition(Hand.Left);
var gesturePosRight = gesture.GetGesturePosition(Hand.Right);
if (UseUniformScale)
{
var scale = (gesturePosLeft - gesturePosRight).magnitude / 2;
scale = Mathf.Clamp(scale, MinScale, MaxScale);
return(new Vector3(scale, scale, scale));
}
else
{
var scale = gesturePosLeft - gesturePosRight;
var scaleX = Mathf.Clamp(Mathf.Abs(scale.x) - 0.025f, MinScale, MaxScale);
var scaleY = Mathf.Clamp(Mathf.Abs(scale.y), MinScale, MaxScale);
var scaleZ = Mathf.Clamp(Mathf.Abs(scale.z), MinScale, MaxScale);
return(new Vector3(scaleX, scaleY, scaleZ));
}
}
private Vector3 GetScale(IPositionGesture gesture)
{
var gesturePosLeft = gesture.GetGesturePosition(Hand.Left);
var gesturePosRight = gesture.GetGesturePosition(Hand.Right);
if (UseUniformScale)
{
var scale = (gesturePosLeft - gesturePosRight).magnitude / 2;
scale = Mathf.Clamp(scale, MinScale, MaxScale);
return new Vector3(scale, scale, scale);
}
else
{
var scale = gesturePosLeft - gesturePosRight;
var scaleX = Mathf.Clamp(Mathf.Abs(scale.x) - 0.025f, MinScale, MaxScale);
var scaleY = Mathf.Clamp(Mathf.Abs(scale.y), MinScale, MaxScale);
var scaleZ = Mathf.Clamp(Mathf.Abs(scale.z), MinScale, MaxScale);
return new Vector3(scaleX, scaleY, scaleZ);
}
}
private Quaternion GetRotation(IPositionGesture gesture)
{
// rotation only supported for cubes, since we use the 3d position for scale otherwise
if (!UseUniformScale)
{
return Quaternion.identity;
}
var defaultVector = Vector3.one;
var gestureVector = gesture.GetGesturePosition(Hand.Right) - gesture.GetGesturePosition(Hand.Left);
var rotation = Quaternion.FromToRotation(defaultVector, gestureVector).eulerAngles;
// rotate a bit back so that fingers hold the X-axis of the cube, rather than the corners
rotation.x = 0;
rotation.y -= 45f;
rotation.z -= 45f;
return Quaternion.Euler(rotation);
}
