This was caused because the case for BoostMessage.PORT_FEEDBACK didn't handle the BoostPortFeedback.DISCARDED type, which corresponds to a command failing on the Boost hub.
There's quite a few interactions between degrees, their sign, and the currently set direction for the motor the degrees relate to. In this case, BoostMotor.turnOnDegrees() was being run with -degrees, and since that function does a Math.max between 0 and degrees, it resulted in 0 degrees.
Because of this, and for clarity, turnOnDegrees now only gets called with positive values. If running CCW, that should be specified in the direction-parameter.
Partly resolves#2087, #2088.
This was happening because scratch-vm is responsible for timed motor commands rather than using the Boost hubs commands to run motors for a specific amount of time.
This meant that when we simply sent a motorOn-command, the hub would immediately return feedback for the motor that the command had completed.
The fix for this was, for timed motor commands, to not receive feedback from the motor, and instead have scratch-vm modify the BoostMotor._status.
TODO: Fix for rotation-based commands.
Agreed. Changed to 50%.
- BoostMotorMaxPower changed to BoostMotorMaxPowerAdd and now describes an extra boost (no pun intended) to the motor. Documentation added that describes the feature.
- _colorBucket renamed to _colorSamples for clarity.
- oldColor is renamed to previousColor, and is now initialized in this._sensors.
- Modified documentation.
There are parts of the extension registration process which rely on the
`info` field being non-null, even for block separators. At one point
during development I broke that, so here's a test to hopefully prevent
someone else from getting bitten by the same thing.
These compatibility changes:
- Use runtime.currentMSecs for the Clock timer "now" value
- Start executing hats before other threads change values
- Update test and fixtures to work with earlier hat execution
- Add test for hat execution block order
- Creating Boost._colorBucket will contains BoostColorSampleSize-amount of samples
- Boost._onMessage administers the _colorBucket and assigns Boost._sensors.color a value if all items in the bucket match.
E.g. if BoostColorSampleSize is set to 3, three continuous readings of the same color are required for the color to be detected by scratch-vm.
