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import { SignalSample } from './signals';
import { Subject } from 'rxjs';
import { rgbToHex } from '../utils/utils';
export abstract class PIDElement{
fontSize: number = 0.1;
position: Point;
name: string;
abstract draw(context: CanvasRenderingContext2D, palette: ColorPalette, viewWindow: ViewWindow): void;
}
export class BaseComponentInterface{
class: string;
position: PointInterface;
status_signal_id: string;
command_signal_id: string;
}
export class Component extends PIDElement{
statusSignalId: string;
commandSignalId: string;
statusSample?: SignalSample;
// Registry to map types to classes
private static componentRegistry: { [key: string]: typeof Component } = {};
// Method to register a class for deserialization
static registerComponent(type: string, componentClass: typeof Component) {
Component.componentRegistry[type] = componentClass;
}
// Class method for deserializing the right component
static deserialize(data: ComponentInterface): Component {
const componentClass = Component.componentRegistry[data.class];
Iif (!componentClass) {
throw new Error(`Unknown component type: ${data.class}`);
}
// if (ComponentClass.prototype.hasOwnProperty("deserialize")){
// if (Object.prototype.hasOwnProperty.call(componentClass, "deserialize")){
// return componentClass.deserialize(data);
// }
const obj = Object.assign(new componentClass(), data);
const position = new Point(data.position.x, data.position.y);
obj.position = position;
obj.statusSignalId = data.status_signal_id;
obj.commandSignalId = data.command_signal_id;
return obj;
}
draw(context: CanvasRenderingContext2D, palette: ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
context.beginPath();
const size = 20;
context.rect(position.x-0.5*size, position.y-0.5*size, size, size);
context.fillStyle = palette.foreground;
context.fill();
context.closePath();
}
}
interface ValveInterface extends BaseComponentInterface{
size: number;
horizontal: boolean;
}
export class Valve extends Component{
size: number;
horizontal: boolean = true;
onOff: boolean = true;
// Class method for deserializing the right component
static override deserialize(data: ValveInterface): Valve {
const obj = super.deserialize(data) as Valve;
obj.statusSignalId = data.status_signal_id;
obj.commandSignalId = data.command_signal_id;
return obj;
}
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
const height = 0.75*size;
const drawer = new Drawer(context);
const fontSize = viewWindow.size(this.fontSize);
let points: Point[];
if (this.horizontal === true){
const p1 = new Point(position.x-0.5*size, position.y-0.5*height);
const p2 = new Point(position.x+0.5*size, position.y+0.5*height);
const p3 = new Point(position.x+0.5*size, position.y-0.5*height);
const p4 = new Point(position.x-0.5*size, position.y+0.5*height);
points = [p1, p2, p3, p4, p1];
}
else{
const p1 = new Point(position.x-0.5*height, position.y-0.5*size);
const p2 = new Point(position.x+0.5*height, position.y+0.5*size);
const p3 = new Point(position.x+0.5*height, position.y-0.5*size);
const p4 = new Point(position.x-0.5*height, position.y+0.5*size);
points = [p1, p3, p4, p2, p1];
}
let fillColor: string = palette.alert;
if (this.statusSignalId === undefined){
fillColor = palette.foreground;
}
else if (this.statusSample !== undefined){
if (typeof this.statusSample.value == 'string'){
if (this.statusSample.value === 'opened'){
fillColor = 'white';
}
else Iif (this.statusSample.value === 'intermediate'){
fillColor = 'grey';
}
else Eif (this.statusSample.value === 'closed'){
fillColor = 'black';
}
else if (this.statusSample.value === 'sensor-error'){
fillColor = 'red';
}
else{
console.log('unhandled', this.statusSample.value, this.name);
}
}
else Iif (typeof this.statusSample.value == 'number'){
const value = 255*this.statusSample.value/100;
fillColor = rgbToHex(value, value, value);
}
}
drawer.drawPolygon(points, new SurfaceStyle(fillColor, 1, palette.border));
if (this.name !== undefined){
if (this.horizontal === true){
drawer.drawText(this.name, position.x, position.y - height, new TextStyle(palette.border), fontSize);
}
else{
drawer.drawText(this.name, position.x + size, position.y, new TextStyle(palette.border, 'left'), fontSize);
}
}
}
}
export class Regulator extends Valve{
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
context.beginPath();
context.moveTo(position.x, position.y);
context.lineTo(position.x, position.y - 1.5*size);
context.lineTo(position.x + 0.8*size, position.y - 1.5*size);
context.lineTo(position.x + 0.8*size, position.y);
context.stroke();
context.closePath();
context.beginPath();
context.fillStyle = palette.foreground;
context.arc(position.x, position.y - 0.5*size, .6*size, 1.25*Math.PI, 1.75*Math.PI);
context.stroke();
context.fill();
context.closePath();
// Avoid yellow drawing
const palette2 = structuredClone(palette);
palette2.alert = palette.foreground;
super.draw(context, palette2, viewWindow);
}
}
export class Flange extends Component{
size: number;
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
const gap = 0.25*size;
context.strokeStyle = palette.border;
context.fillStyle = palette.background;
context.beginPath();
context.rect(position.x-0.5*gap, position.y-0.5*size, gap, size);
context.fill();
context.closePath();
context.lineWidth = 1;
context.beginPath();
context.moveTo(position.x-0.5*gap, position.y-0.5*size);
context.lineTo(position.x-0.5*gap, position.y+0.5*size);
context.moveTo(position.x+0.5*gap, position.y-0.5*size);
context.lineTo(position.x+0.5*gap, position.y+0.5*size);
context.stroke();
context.closePath();
}
}
interface VentInterface extends BaseComponentInterface{
size: number;
}
export class Vent extends Component{
size: number;
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
const drawer = new Drawer(context);
context.strokeStyle = palette.border;
context.fillStyle = palette.background;
const points = [new Point(position.x, position.y - 0.5*size),
new Point(position.x + 0.5*size, position.y),
new Point(position.x, position.y + 0.5*size),
new Point(position.x - 0.5*size, position.y)
];
drawer.drawPolygon(points, new SurfaceStyle(palette.foreground, 1, palette.border));
drawer.drawPath([points[0], points[2]], new EdgeStyle(1, palette.border));
}
}
interface CheckValveInterface extends BaseComponentInterface{
size: number;
}
export class AngleValve extends Component{
size: number;
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
const height = 0.5*size;
const drawer = new Drawer(context);
const style = new SurfaceStyle(palette.foreground, 1, palette.border);
drawer.drawRectangle(position.x - 0.5*size, position.y - 0.5*height, size, height, new SurfaceStyle(palette.background, 0));
const points1 = [new Point(position.x, position.y),
new Point(position.x - 0.25*size, position.y + 0.5*size),
new Point(position.x + 0.25*size, position.y + 0.5*size),
];
drawer.drawPolygon(points1, style);
const points2 = [new Point(position.x, position.y),
new Point(position.x + 0.5*size, position.y - 0.25*size),
new Point(position.x + 0.5*size, position.y + 0.25*size),
];
drawer.drawPolygon(points2, style);
}
}
interface AngleValveInterface extends BaseComponentInterface{
size: number;
}
export class CheckValve extends Component{
size: number;
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
const height = 0.5*size;
const drawer = new Drawer(context);
drawer.drawRectangle(position.x - 0.5*size, position.y - 0.5*height, size, height, new SurfaceStyle(palette.background, 0));
const points = [new Point(position.x - 0.5*size, position.y - 0.5*height),
new Point(position.x - 0.5*size, position.y + 0.5*height),
new Point(position.x + 0.5*size, position.y - 0.5*height),
new Point(position.x + 0.5*size, position.y + 0.5*height)
];
drawer.drawPath(points, new EdgeStyle(1, palette.border));
}
}
interface VesselInterface extends BaseComponentInterface{
height: number;
width: number;
}
export class Vessel extends Component{
height: number;
width: number;
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const height = viewWindow.size(this.height);
const width = viewWindow.size(this.width);
const rectHeight = 0.8*height;
const drawer = new Drawer(context);
const style = new SurfaceStyle(palette.foreground, 1, palette.border);
drawer.drawRectangle(position.x-0.5*width, position.y-0.5*rectHeight, width, rectHeight, style);
const p1 = new Point(position.x-0.5*width, position.y-0.5*rectHeight);
const p2 = new Point(position.x, position.y-0.5*height);
const p3 = new Point(position.x+0.5*width, position.y-0.5*rectHeight);
const p4 = new Point(position.x-0.5*width, position.y+0.5*rectHeight);
const p5 = new Point(position.x, position.y+0.5*height);
const p6 = new Point(position.x+0.5*width, position.y+0.5*rectHeight);
drawer.drawArcFromPoints(p1, p2, p3, style);
drawer.drawArcFromPoints(p4, p5, p6, style);
const columnWidth = 0.05*width;
if (this.statusSignalId !== undefined){
const columnStyle = new SurfaceStyle(palette.background, 1, palette.border);
drawer.drawRectangle(position.x-columnWidth-0.6*width, position.y-0.5*height, columnWidth, height, columnStyle);
}
// Water column
if (this.statusSample !== undefined && (typeof this.statusSample.value == 'number')){
const waterStyle = new SurfaceStyle('#35b5e8', 0);
const waterHeight = height*this.statusSample.value/100;
drawer.drawRectangle(position.x-columnWidth-0.6*width, position.y+0.5*height - waterHeight, columnWidth, waterHeight, waterStyle);
}
}
}
interface HybridRocketEngineInterface extends BaseComponentInterface{
height: number;
width: number;
}
export class HybridRocketEngine extends Component{
height: number;
width: number;
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const height = viewWindow.size(this.height);
const width = viewWindow.size(this.width);
const wallThickness = 0.1 * width;
const chamberWidth = 2.5 * wallThickness;
const nozzleWidth = 0.5*width;
const nozzleHeight = 0.25*width;
const nozzleHeadHeight = 0.3*nozzleHeight;
const nozzleHeadWidth = 0.6*nozzleWidth;
const drawer = new Drawer(context);
const style = new SurfaceStyle(palette.foreground, 1, palette.border);
const wallStyle = new SurfaceStyle("#1f1f1f", 1, palette.border);
const p1 = new Point(position.x-0.5*width, position.y-0.5*height);
const p2 = new Point(position.x-0.5*width, position.y+0.5*height-2*nozzleHeadHeight-nozzleHeight);
const p3 = new Point(position.x-0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeight);
const p4 = new Point(position.x-0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeadHeight-nozzleHeight);
const p5 = new Point(position.x+0.5*(wallThickness-width), position.y+0.5*height-2*nozzleHeadHeight-nozzleHeight-wallThickness);
const p6 = new Point(position.x+0.5*(wallThickness-width), position.y-0.5*height);
const p6m = new Point(position.x-0.5*(wallThickness-width), position.y-0.5*height);
const p5m = new Point(position.x-0.5*(wallThickness-width), position.y+0.5*height-2*nozzleHeadHeight-nozzleHeight-wallThickness);
const p4m = new Point(position.x+0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeadHeight-nozzleHeight);
const p1m = new Point(position.x+0.5*width, position.y-0.5*height);
const p2m = new Point(position.x+0.5*width, position.y+0.5*height-2*nozzleHeadHeight-nozzleHeight);
const p3m = new Point(position.x+0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeight);
const points = [p1, p2, p3, p4, p5, p6, p1];
drawer.drawPolygon(points, wallStyle);
const pointsm = [p1m, p2m, p3m, p4m, p5m, p6m, p1m];
drawer.drawPolygon(pointsm, wallStyle);
const points2 = [p4, p5, p6, p6m, p5m, p4m, p4];
drawer.drawPolygon(points2, style);
const pc1 = new Point(position.x+0.5*(wallThickness+chamberWidth-width), position.y-0.5*height);
const pc2 = new Point(position.x+0.5*(wallThickness+chamberWidth-width), position.y+0.5*height-2*nozzleHeadHeight-nozzleHeight-wallThickness);
const pc3 = new Point(position.x-0.5*nozzleHeadWidth+0.5*chamberWidth, position.y+0.5*height-nozzleHeadHeight-nozzleHeight);
//m
const pc3m = new Point(position.x+0.5*nozzleHeadWidth-0.5*chamberWidth, position.y+0.5*height-nozzleHeadHeight-nozzleHeight);
const pc2m = new Point(position.x-0.5*(wallThickness+chamberWidth-width), position.y+0.5*height-2*nozzleHeadHeight-nozzleHeight-wallThickness);
const pc1m = new Point(position.x-0.5*(wallThickness+chamberWidth-width), position.y-0.5*height);
const chamberPoints = [pc1, pc2, pc3, pc3m, pc2m, pc1m, pc1];
drawer.drawPolygon(chamberPoints, wallStyle);
// Nozzle
const p1n = new Point(position.x-0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeight);
const p2n = new Point(position.x-0.5*nozzleWidth, position.y+0.5*height);
const p3n = new Point(position.x+0.5*nozzleWidth, position.y+0.5*height);
const p4n = new Point(position.x+0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeight);
const pointsNozzle = [p1n, p2n, p3n, p4n, p1n];
drawer.drawPolygon(pointsNozzle, style);
drawer.drawRectangle(position.x-0.5*nozzleHeadWidth, position.y+0.5*height-nozzleHeight-nozzleHeadHeight, nozzleHeadWidth, nozzleHeadHeight, style);
}
}
export interface UmbilicalInterface extends BaseComponentInterface{
size: number;
horizontal: boolean;
gap_signal_id: string;
max_opening: number;
}
export class Umbilical extends Component{
size: number;
gapSignalId: string;
max_opening: number = 1;
// Class method for deserializing the right component
static override deserialize(data: UmbilicalInterface): Umbilical {
const obj = super.deserialize(data) as Umbilical;
obj.gapSignalId = data.gap_signal_id;
return obj;
}
override draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const size = viewWindow.size(this.size);
const height = 0.2*size;
const numberWindings = 4;
const numberPointPerWinding = 30;
const drawer = new Drawer(context);
const points1: Point[] = [];
const points2: Point[] = [];
const nPoints = numberPointPerWinding*numberWindings;
let gap = 0;
Iif(this.statusSample !== undefined && typeof(this.statusSample.value) == "number"){
gap = this.statusSample.value;
}
const new_gap = Math.min(gap, this.max_opening)/this.max_opening*size/2;
const x1 = position.x - 0.5*size;
const x2 = position.x - 0.5*new_gap;
const x3 = position.x + 0.5*new_gap;
const x4 = position.x + 0.5*size;
// Background
drawer.drawRectangle(x1, position.y-0.5*height, size, height, new SurfaceStyle(palette.background, 0));
for (let i=0;i<=nPoints;i++){
const xl = (x2 - x1) * i/nPoints + x1;
const yl = 0.5*height * Math.sin(i/nPoints*6.28*numberWindings) + position.y;
const xr = (x4 - x3) * i/nPoints + x3;
const yr = 0.5*height * Math.sin(i/nPoints*6.28*numberWindings) + position.y;
points1.push(new Point(xl, yl));
points2.push(new Point(xr, yr));
}
drawer.drawPath(points1, new EdgeStyle(1, palette.border));
drawer.drawPath(points2, new EdgeStyle(1, palette.border));
// Flanges
const flangeL = [new Point(x1-0.1*size, position.y + 0.5*height),
new Point(x1, position.y + 0.5*height),
new Point(x1, position.y - 0.5*height),
new Point(x1-0.1*size, position.y - 0.5*height)];
drawer.drawPath(flangeL, new EdgeStyle(1, palette.border));
const flangeR = [new Point(x4+0.1*size, position.y + 0.5*height),
new Point(x4, position.y + 0.5*height),
new Point(x4, position.y - 0.5*height),
new Point(x4+0.1*size, position.y - 0.5*height)];
drawer.drawPath(flangeR, new EdgeStyle(1, palette.border));
const flangeML = [new Point(x2, position.y + 0.5*height),
new Point(x2, position.y - 0.5*height)];
drawer.drawPath(flangeML, new EdgeStyle(1, palette.border));
const flangeMR = [new Point(x3, position.y + 0.5*height),
new Point(x3, position.y - 0.5*height)];
drawer.drawPath(flangeMR, new EdgeStyle(1, palette.border));
}
}
type ComponentInterface = ValveInterface | VesselInterface | HybridRocketEngineInterface | UmbilicalInterface | VentInterface | CheckValveInterface | AngleValveInterface;
Component.registerComponent("vessel", Vessel);
Component.registerComponent("valve", Valve);
Component.registerComponent("regulator", Regulator);
Component.registerComponent("flange", Flange);
Component.registerComponent("hybrid-rocket-engine", HybridRocketEngine);
Component.registerComponent("umbilical", Umbilical);
Component.registerComponent("vent", Vent);
Component.registerComponent("check-valve", CheckValve);
Component.registerComponent("angle-valve", AngleValve);
interface PipeInterface{
start: number;
end: number;
diameter?: number;
horizontal?: boolean;
middle?: boolean;
}
export class Pipe{
start: PIDElement;
end: PIDElement;
diameter: number;
horizontal: boolean;
middle: boolean;
constructor(start:PIDElement ,end:PIDElement, diameter: number=1, horizontal: boolean=true, middle: boolean=true){
this.start = start;
this.end = end;
this.diameter = diameter;
this.horizontal = horizontal;
this.middle = middle;
}
static deserialize(pipeJson: PipeInterface, elements: PIDElement[]): Pipe{
return new Pipe(elements[pipeJson["start"]], elements[pipeJson["end"]], pipeJson["diameter"],
pipeJson["horizontal"], pipeJson["middle"]
);
}
draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const start = viewWindow.canvasPoint(this.start.position);
const end = viewWindow.canvasPoint(this.end.position);
const drawer = new Drawer(context);
const points = [start];
if (this.horizontal){
if (this.middle){
const x1 = 0.5*(start.x + end.x);
points.push(new Point(x1, start.y));
points.push(new Point(x1, end.y));
}
else{
points.push(new Point(end.x, start.y));
}
}
else{
Iif (this.middle){
const y1 = 0.5*(start.y + end.y);
points.push(new Point(start.x, y1));
points.push(new Point(end.x, y1));
}
else{
points.push(new Point(start.x, end.y));
}
}
points.push(end);
drawer.drawPolygon(points, new SurfaceStyle(null, this.diameter, palette.border));
}
}
interface SensorInterface{
position: PointInterface;
signal_id: string;
value?: string;
class?: string;
}
interface TapSensorInterface extends SensorInterface{
symbol: string;
y_offset: number;
}
export class Sensor extends PIDElement{
signal_id: string;
sample?: SignalSample;
unit: string = '';
static deserialize(sensorJson: SensorInterface): Sensor{
const sensor = Object.assign(new Sensor(), sensorJson);
const position = new Point(sensorJson["position"]['x'], sensorJson["position"]['y']);
sensor.position = position;
return sensor;
}
draw(context: CanvasRenderingContext2D, palette:ColorPalette, viewWindow: ViewWindow){
const position = viewWindow.canvasPoint(this.position);
const drawer = new Drawer(context);
const fontSize = viewWindow.size(this.fontSize);
context.font = context.font.replace(/(?<value>\d+\.?\d*)/, fontSize.toString());
let numberLine = 3;
//
context.textAlign = 'center';
context.textBaseline = 'middle';
// Prepare data
const signalName = this.signal_id.split('.')[1];
let value = "--";
let forcedValue = "";
if (this.sample !== undefined){
Iif (this.sample.forced_value !== null && this.sample.forced_value !== undefined){
forcedValue = this.sample.forced_value.toString();
numberLine += 1;
}
if (this.sample.value === undefined || this.sample.value === null){
value = "--";
}
else{
value = this.sample.value.toString();
}
}
// Compute dimensions
const width = Math.max(context.measureText(signalName).width,
context.measureText(value).width,
context.measureText(forcedValue).width,
context.measureText(this.unit).width) + 20;
const height = fontSize * numberLine;
// Draw
// Hollow rectangle
drawer.drawRectangle(position.x-0.5*width, position.y-0.5*height, width, height, new SurfaceStyle(palette.foreground, 1, palette.border));
const textStyle1 = new TextStyle(palette.border);
drawer.drawText(signalName, position.x, position.y+0.5*fontSize-0.5*height, textStyle1, fontSize);
drawer.drawText(value, position.x, position.y+1.5*fontSize-0.5*height, textStyle1, fontSize);
Iif (forcedValue !== ""){
drawer.drawRectangle(position.x-0.5*width, position.y+0.5*height-2*fontSize, width, fontSize, new SurfaceStyle(palette.alert, 0));
drawer.drawText(forcedValue, position.x, position.y+2.5*fontSize-0.5*height, textStyle1, fontSize);
}
drawer.drawText(this.unit, position.x, position.y+(numberLine-.5)*fontSize-0.5*height, textStyle1, fontSize);
}
}
class TapSensor extends Sensor{
symbol: string = '';
yOffset: number;
override draw(context: CanvasRenderingContext2D, palette: ColorPalette, viewWindow: ViewWindow): void {
const position = viewWindow.canvasPoint(this.position);
const circlePosition = viewWindow.canvasPoint(new Point(this.position.x, this.position.y + this.yOffset));
const yOffset = viewWindow.size(this.yOffset);
const fontSize = viewWindow.size(this.fontSize);
const drawer = new Drawer(context);
context.lineWidth = 1;
context.beginPath();
context.moveTo(position.x, position.y);
context.lineTo(circlePosition.x, circlePosition.y);
context.strokeStyle = palette.border;
context.stroke();
context.closePath();
drawer.drawCircle(circlePosition.x, circlePosition.y, 0.4*yOffset, new SurfaceStyle(palette.foreground, 2, "red"));
drawer.drawText(this.symbol, circlePosition.x, circlePosition.y, new TextStyle(palette.border), fontSize);
super.draw(context, palette, viewWindow);
}
static override deserialize(sensorJson: TapSensorInterface): TapSensor{
const sensor = Object.assign(new TapSensor(), sensorJson);
const position = new Point(sensorJson["position"]['x'], sensorJson["position"]['y']);
sensor.position = position;
sensor.yOffset = sensorJson["y_offset"];
return sensor;
}
}
export interface PIDInterface{
components: ComponentInterface[];
pipes: PipeInterface[];
sensors: SensorInterface[];
tap_sensors: TapSensorInterface[];
}
export class PID extends DrawObject{
components: Component[];
pipes: Pipe[];
sensors: Sensor[];
tapSensors: TapSensor[];
selectedItem: Subject<Component | Sensor | null> = new Subject();
constructor(components: Component[], pipes: Pipe[], sensors: Sensor[],
tapSensors: TapSensor[]){
super();
this.components = components;
this.pipes = pipes;
this.sensors = sensors;
this.tapSensors = tapSensors;
}
override mouseDownCallback(clickPoint: Point, viewWindow: ViewWindow){
const clickPoint2 = viewWindow.zonePoint(clickPoint);
let distance = Infinity;
let bestItem: Component | Sensor | null = null;
for (const component of this.components){
const compDistance = clickPoint2.distance(component.position);
if (compDistance < distance && compDistance < 0.3){// Todo: adapt this from scene size of view window size and from component bounding box
distance = compDistance;
bestItem = component;
}
}
for (const sensor of this.sensors){
const compDistance = clickPoint2.distance(sensor.position);
Iif (compDistance < distance && compDistance < 0.3){// Todo: adapt this from scene size of view window size and from component bounding box
distance = compDistance;
bestItem = sensor;
}
}
for (const tapSensor of this.tapSensors){
const compDistance = clickPoint2.distance(tapSensor.position);
if (compDistance < distance && compDistance < 0.3){// Todo: adapt this from scene size of view window size and from component bounding box
distance = compDistance;
bestItem = tapSensor;
}
}
this.selectedItem.next(bestItem);
return bestItem === null;
}
static deserialize(jsonPid: PIDInterface): PID{
const components: Component[] = [];
let refs: PIDElement[] = [];
for (const componentJson of jsonPid['components']){
components.push(Component.deserialize(componentJson));
}
const sensors: Sensor[] = [];
for (const sensor of jsonPid['sensors']){
sensors.push(Sensor.deserialize(sensor));
}
const tapSensors: TapSensor[] = [];
for (const sensor of jsonPid['tap_sensors']){
tapSensors.push(TapSensor.deserialize(sensor));
}
refs = refs.concat(components, sensors, tapSensors);
const pipes: Pipe[] = [];
for (const pipeJson of jsonPid['pipes']){
pipes.push(Pipe.deserialize(pipeJson, refs));
}
return new PID(components, pipes, sensors, tapSensors);
}
override get zone(): Zone{
const points: Point[] = [];
for (const component of this.components){
points.push(component.position);
}
return Zone.fromPoints(points);
}
override draw(context: CanvasRenderingContext2D, viewWindow: ViewWindow){
const isDarkMode = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
let palette = lightPalette;
Iif (isDarkMode){
palette = darkPalette;
}
// Drawing background
context.rect(0, 0, context.canvas.width, context.canvas.height);
context.fillStyle = palette.background;
context.fill();
for (const pipe of this.pipes){
pipe.draw(context, palette, viewWindow);
}
for (const component of this.components){
component.draw(context, palette, viewWindow);
}
for (const sensor of this.sensors){
sensor.draw(context, palette, viewWindow);
}
for (const sensor of this.tapSensors){
sensor.draw(context, palette, viewWindow);
}
}
}
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