The Anglometer measures the angle it's tilted over by from its starting position.
Settings[]
| Parameter | Default Value | Range | Conditions |
|---|---|---|---|
| Detect | [B] | Keys | Use Key to Detect is true |
| Use Key to Detect |
False | Boolean | - |
| Hold to Detect |
True | Boolean | Use Key to Detect is true |
| Inverted | False | Boolean | - |
| Min | -45° | -180° - +180° | - |
| Max | +45° | -180° - +180° | - |
| Emulate | [C] | Keys | - |
The Min and Max settings wrap around ±180.
Usage[]
The anglometer presses and holds a key if it is rotated to an angle
- between the set Min and Max (wrapping around ±180 if Min > Max)
- around the face in its starting orientation.
The needle on the front of the block indicates the angle relative to its starting orientation; the sharp end will always point 'up', and the weighted end 'down'. A red zone indicates the angle range where the block will emulate a keypress (if the sharp end of the needle is within it).
An indicator light on the face of the block turns on when the block is emulating a keypress.
Simple single-button sequencing/staging systems can be created by attaching multiple anglometers (each set to trigger, say, a missile) to a Steering Hinge and staggering their detection angles. A Timer (set to rotate the hinge by a fixed amount) can be added to make it a single-press system.
The rotation of multiple steering hinges can be summed to a single steering hinge with an 'angle tracker' (a Steering Hinge/Block with two anglometers rotating it towards zero). An example of how this might be used is trimming an RTC control surface (without compromising rigidity).
'Gimbal lock'[]
The anglometer will flip direction when rotated 'up' or 'down' 90 degrees, relative to its starting position.
To explain this, imagine the anglometer fixed to a pivot inside a globe, pointing outward. The sharp end of the needle points 'north', and the weighted end points 'south'.
Now, imagine what happens if the anglometer rotates over the north pole of the globe.
Colloquially, this is referred to as gimbal lock.
Technology[]
- Anglometers are the most critical element of Logic Stabilisation. Angle trackers can be combined with hinges or pulse-width modulation (PWM) to provide decent stabilisation.
- Anglometer implementations of PWM are possible, allowing variable throttle for wheels, thrusters, etc.
- Walkers benefit greatly from knowing what angle their legs are at.
- Some mechanical Engines make use of them for timing purposes.
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