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Tilt support in breadboard + display of accelerometer values (#1379)

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* remove disable tilt option

* allow tilting when breadboard is up (music speakers)

* display acceleration

* only showing acc values if read
This commit is contained in:
Peli de Halleux
2018-10-11 13:25:52 -07:00
committed by GitHub
parent 50f29d278a
commit 37404acbcc
3 changed files with 71 additions and 21 deletions
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30
sim/state/accelerometer.ts
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@ -13,12 +13,19 @@ namespace pxsim.input {
export function acceleration(dimension: number): number {
let b = board().accelerometerState;
let acc = b.accelerometer;
acc.activate();
switch (dimension) {
case 0: return acc.getX();
case 1: return acc.getY();
case 2: return acc.getZ();
default: return Math.floor(Math.sqrt(acc.instantaneousAccelerationSquared()));
case 0:
acc.activate(AccelerometerFlag.X);
return acc.getX();
case 1:
acc.activate(AccelerometerFlag.Y);
return acc.getY();
case 2:
acc.activate(AccelerometerFlag.Z);
return acc.getZ();
default:
acc.activate();
return Math.floor(Math.sqrt(acc.instantaneousAccelerationSquared()));
}
}
@ -99,6 +106,12 @@ namespace pxsim {
NORTH_EAST_DOWN
}
export enum AccelerometerFlag {
X = 1,
Y = 2,
Z = 4
}
export class Accelerometer {
private sigma: number = 0; // the number of ticks that the instantaneous gesture has been stable.
private lastGesture: number = 0; // the last, stable gesture recorded.
@ -110,6 +123,7 @@ namespace pxsim {
private id: number;
public isActive = false;
public sampleRange = 2;
public flags: AccelerometerFlag = 0;
constructor(public runtime: Runtime) {
this.id = DAL.MICROBIT_ID_ACCELEROMETER;
@ -120,11 +134,13 @@ namespace pxsim {
this.sampleRange = Math.max(1, Math.min(8, range));
}
public activate() {
public activate(flags?: AccelerometerFlag) {
if (!this.isActive) {
this.isActive = true;
this.runtime.queueDisplayUpdate();
}
if (flags)
this.flags |= flags;
}
/**
@ -383,7 +399,7 @@ namespace pxsim {
useShake = false;
constructor(runtime: Runtime) {
this.accelerometer = new Accelerometer(runtime);
this.accelerometer = new Accelerometer(runtime);
}
}
}