pxt-ev3/sim/visuals/controls/motorReporter.ts

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2017-12-28 02:06:23 +01:00
namespace pxsim.visuals {
export class MotorReporterControl extends ControlView<MotorNode> {
private group: SVGGElement;
private circleBar: SVGCircleElement;
private reporter: SVGTextElement;
getInnerView() {
this.group = svg.elt("g") as SVGGElement;
const outerCircle = pxsim.svg.child(this.group, "circle", { 'stroke-dasharray': '565.48', 'stroke-dashoffset': '0', 'cx': 100, 'cy': 100, 'r': '90', 'style': `fill:transparent; transition: stroke-dashoffset 1s linear;`, 'stroke': '#a8aaa8', 'stroke-width': '1rem' }) as SVGCircleElement;
this.circleBar = pxsim.svg.child(this.group, "circle", { 'stroke-dasharray': '565.48', 'stroke-dashoffset': '0', 'cx': 100, 'cy': 100, 'r': '90', 'style': `fill:transparent; transition: stroke-dashoffset 1s linear;`, 'stroke': '#f12a21', 'stroke-width': '1rem' }) as SVGCircleElement;
this.reporter = pxsim.svg.child(this.group, "text", { 'x': this.getWidth() / 2, 'y': this.getHeight() / 2, 'text-anchor': 'middle', 'style': 'font-size: 50px', 'class': 'sim-text inverted number' }) as SVGTextElement;
return this.group;
}
getInnerWidth() {
return 200;
}
getInnerHeight() {
return 200;
}
updateState() {
if (!this.visible) {
return;
}
const node = this.state;
const speed = node.getSpeed();
this.updateSpeed(speed);
// Update reporter
this.reporter.textContent = `${speed}`;
}
private updateSpeed(speed: number) {
let c = Math.PI * (90 * 2);
if (speed < 0) speed = 100 - speed;
let pct = ((100 - speed) / 100) * c;
this.circleBar.setAttribute('stroke-dashoffset', `${pct}`);
}
}
}