c_meyer/pxt-ev3
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Snap backwards (#923)

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* snap to multiple of 5

* normalize negative values
This commit is contained in:
Peli de Halleux 2019-09-27 15:49:21 -07:00 committed by GitHub
parent 8047cb2612
commit e862869327
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 6 deletions
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7
fieldeditors/field_speed.ts
View File

@ -76,9 +76,12 @@ export class FieldSpeed extends Blockly.FieldSlider implements Blockly.FieldCust
};
setReadout_(readout: Element, value: string) {
this.updateSpeed(parseFloat(value));
let x = parseFloat(value) || 0;
// snap on multiple of 5
x = Math.round(x / 5) * 5;
this.updateSpeed(x);
// Update reporter
this.reporter.textContent = `${value}%`;
this.reporter.textContent = `${x}%`;
}
private updateSpeed(speed: number) {

16
libs/core/output.ts
View File

@ -301,9 +301,17 @@ namespace motors {
case MoveUnit.Rotations:
scale = 360;
r.useSteps = true;
if (r.steps[1] < 0) {
r.speed = -r.speed;
r.steps[1] = -r.steps[1];
}
break;
case MoveUnit.Degrees:
r.useSteps = true;
if (r.steps[1] < 0) {
r.speed = -r.speed;
r.steps[1] = -r.steps[1];
}
break;
case MoveUnit.Seconds:
scale = 1000;
@ -741,10 +749,18 @@ namespace motors {
let stepsOrTime: number;
switch (unit) {
case MoveUnit.Rotations:
if (value < 0) {
value = -value;
speed = -speed;
}
stepsOrTime = (value * 360) >> 0;
useSteps = true;
break;
case MoveUnit.Degrees:
if (value < 0) {
value = -value;
speed = -speed;
}
stepsOrTime = value >> 0;
useSteps = true;
break;