790 lines
21 KiB
JavaScript
790 lines
21 KiB
JavaScript
import { CanvasDropdown, CanvasTextInput } from "./canvastools.js"
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const NODE_TYPES = {
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Node: 0x01,
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Servo: 0x02,
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Curve: 0x03,
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Noise: 0x04
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};
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export class NodeEditor {
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constructor(canvas, options = {}) {
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this.canvas = canvas;
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this.ctx = canvas.getContext("2d");
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this.nodes = [];
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this.connections = [];
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this.draggingNode = null;
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this.draggingWire = null;
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this.motorIds = options.motorIds || []; // pass motor ID list here
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this._bindEvents();
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this._redraw();
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}
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generateDefaultNodes(curveSets, motorIDs) {
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console.log("Generating Default Nodes");
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console.log(curveSets, motorIDs);
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for (var i = 0; i < motorIDs.length; i++) {
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let inputNode = this.addCurveNode(200, 20 + i * 120, "Curve", motorIDs[i]);
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let outputNode = this.addServoNode(400, 20 + i * 120, "Servo Output", motorIDs[i]);
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this.connections.push({ from: inputNode, to: outputNode });
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}
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}
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encodeNodeGraph() {
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const bufferSize = 1024; // adjust based on expected graph size
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const buffer = new ArrayBuffer(bufferSize);
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const view = new DataView(buffer);
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let offset = 0;
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const nodes = this.nodes;
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// Node count (1 byte)
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view.setUint8(offset++, nodes.length);
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// Encode nodes
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nodes.forEach((node, index) => {
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const typeCode = NODE_TYPES[node.type];
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node.id = index;
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view.setUint8(offset++, node.type); // Node type
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view.setUint8(offset++, node.id); // Node ID
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view.setUint16(offset, node.x, true); offset+=2;
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view.setUint16(offset, node.y, true); offset+=2;
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switch (node.type) {
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case NODE_TYPES.Servo:
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view.setUint8(offset++, node.motorId);
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break;
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case NODE_TYPES.Curve:
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view.setUint8(offset++, node.curveId);
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break;
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case NODE_TYPES.Noise:
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view.setFloat32(offset, node.rate, true); offset += 4;
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view.setFloat32(offset, node.threshold, true); offset += 4;
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view.setFloat32(offset, node.pulseWidth, true); offset += 4;
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view.setFloat32(offset, node.amplitude, true); offset += 4;
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view.setUint8(offset++, node.seed);
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break;
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default:
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console.warn("Unknown node type:", node.type);
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}
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});
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// Connection count (1 byte)
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view.setUint8(offset++, this.connections.length);
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// Encode connections
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this.connections.forEach(conn => {
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view.setUint8(offset++, conn.from.id);
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view.setUint8(offset++, conn.to.id);
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});
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// Slice the buffer to actual used size
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return new Uint8Array(buffer.slice(0, offset));
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}
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addNode(x, y, label, options = {}) {
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const node = new Node(x, y, label, options);
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this.nodes.push(node);
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this._redraw();
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return node;
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}
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addServoNode(x, y, label = "Servo Output", motorID) {
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//console.log(motorID);
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const node = new ServoNode(x, y, label, motorID);
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this.nodes.push(node);
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this._redraw();
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return node;
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}
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addCurveNode(x, y, label = "Curve", motorID) {
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//console.log(motorID);
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const node = new CurveNode(x, y, label, motorID);
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this.nodes.push(node);
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this._redraw();
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return node;
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}
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addInputNode(x, y, label = "Input Node", options = { defaultValue: 1.0 }) {
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const node = new InputNode(x, y, label, options);
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this.nodes.push(node);
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this._redraw();
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return node;
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}
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addNoiseNode(x, y, label = "Noise Generator", options = {}) {
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const node = new NoiseNode(x, y, label, options);
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this.nodes.push(node);
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this._redraw();
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return node;
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}
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addVariableNode(x, y, label = "Variable") {
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const node = new VariableNode(x, y, label);
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this.nodes.push(node);
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this._redraw();
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return node;
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}
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_bindEvents() {
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this.canvas.addEventListener("mousedown", (e) => this._onMouseDown(e));
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this.canvas.addEventListener("mousemove", (e) => this._onMouseMove(e));
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this.canvas.addEventListener("mouseup", (e) => this._onMouseUp(e));
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this.canvas.addEventListener("dblclick", (e) => this._onDoubleClick(e));
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window.addEventListener("keydown", (e) => this._onKeyDown(e));
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}
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_onMouseDown(e) {
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const { x, y } = this._getMouse(e);
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for (const node of this.nodes) {
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if (node.contains(x, y)) {
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if (node.handleClick(x, y)) {
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this._redraw();
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return;
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}
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this.draggingNode = node;
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node.offsetX = x - node.x;
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node.offsetY = y - node.y;
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return;
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}
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if (node.hitOutput(x, y)) {
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this.draggingWire = { x1: node.output.x, y1: node.output.y, x2: x, y2: y, from: node };
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return;
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}
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}
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}
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_onMouseMove(e) {
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const { x, y } = this._getMouse(e);
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let needsRedraw = false;
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for (const node of this.nodes) {
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if (node instanceof ServoNode || node instanceof NoiseNode) {
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if (node.handleMouseMove(x, y)) {
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needsRedraw = true;
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}
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}
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}
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if (needsRedraw) this._redraw();
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if (this.draggingNode) {
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this.draggingNode.x = x - this.draggingNode.offsetX;
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this.draggingNode.y = y - this.draggingNode.offsetY;
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this.draggingNode.updatePorts();
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this._redraw();
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}
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if (this.draggingWire) {
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this.draggingWire.x2 = x;
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this.draggingWire.y2 = y;
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this._redraw();
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}
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}
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_onMouseUp(e) {
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const { x, y } = this._getMouse(e);
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if (this.draggingWire) {
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for (const node of this.nodes) {
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if (node.hitInput(x, y)) {
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this.connections.push({ from: this.draggingWire.from, to: node });
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break;
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}
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}
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this.draggingWire = null;
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this._redraw();
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}
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this.draggingNode = null;
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}
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_onDoubleClick(e) {
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const { x, y } = this._getMouse(e);
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for (let i = this.connections.length - 1; i >= 0; i--) {
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const conn = this.connections[i];
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if (this._isPointNearLine(x, y, conn.from.output.x, conn.from.output.y, conn.to.input.x, conn.to.input.y)) {
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this.connections.splice(i, 1);
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this._redraw();
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break;
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}
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}
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}
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_getMouse(e) {
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const rect = this.canvas.getBoundingClientRect();
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return {
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x: e.clientX - rect.left,
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y: e.clientY - rect.top
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};
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}
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_onKeyDown(e) {
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let needsRedraw = false;
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for (const node of this.nodes) {
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if (node.handleKey && node.handleKey(e)) {
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needsRedraw = true;
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}
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}
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if (needsRedraw) this._redraw();
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}
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_isPointNearLine(px, py, x1, y1, x2, y2, threshold = 10) {
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const dx = x2 - x1;
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const dy = y2 - y1;
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const lengthSquared = dx * dx + dy * dy;
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if (lengthSquared === 0) return false;
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const t = Math.max(0, Math.min(1, ((px - x1) * dx + (py - y1) * dy) / lengthSquared));
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const closestX = x1 + t * dx;
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const closestY = y1 + t * dy;
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const dist = Math.hypot(px - closestX, py - closestY);
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return dist < threshold;
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}
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_drawConnections() {
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this.ctx.strokeStyle = "#444";
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this.ctx.lineWidth = 2;
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for (const conn of this.connections) {
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this.ctx.beginPath();
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this.ctx.moveTo(conn.from.output.x, conn.from.output.y);
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this.ctx.lineTo(conn.to.input.x, conn.to.input.y);
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this.ctx.stroke();
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}
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}
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_redraw() {
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this.ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
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this._drawConnections();
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for (const node of this.nodes) {
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node.draw(this.ctx);
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}
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if (this.draggingWire) {
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this.ctx.strokeStyle = "#888";
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this.ctx.lineWidth = 2;
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this.ctx.beginPath();
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this.ctx.moveTo(this.draggingWire.x1, this.draggingWire.y1);
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this.ctx.lineTo(this.draggingWire.x2, this.draggingWire.y2);
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this.ctx.stroke();
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}
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}
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}
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class Node {
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constructor(x, y, label, options = {}) {
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this.type = NODE_TYPES.Node;
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this.x = x;
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this.y = y;
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this.width = 120;
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this.height = 60;
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this.label = label;
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this.input = { x: 0, y: 0 };
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this.output = { x: 0, y: 0 };
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//console.log(options.fill);
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// Customizable visual options
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this.color = options.fill || "#fef6e4"; // pastel fill default
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this.border = options.stroke || "#333"; // border color default
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this.updatePorts();
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}
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updatePorts() {
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this.input.x = this.x - 5;
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this.input.y = this.y + this.height / 2;
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this.output.x = this.x + this.width + 5;
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this.output.y = this.y + this.height / 2;
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}
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draw(ctx) {
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ctx.fillStyle = this.color;
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ctx.strokeStyle = this.border;
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ctx.lineWidth = 1;
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this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
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ctx.fill();
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ctx.stroke();
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ctx.fillStyle = "#000";
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ctx.font = "14px sans-serif";
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ctx.fillText(this.label, this.x + 10, this.y + 20);
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ctx.beginPath();
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ctx.arc(this.input.x, this.input.y, 6, 0, Math.PI * 2);
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ctx.fillStyle = "#888";
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ctx.fill();
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ctx.beginPath();
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ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
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ctx.fillStyle = "#888";
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ctx.fill();
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}
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drawRoundedRect(ctx, x, y, w, h, r) {
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ctx.beginPath();
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ctx.moveTo(x + r, y);
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ctx.lineTo(x + w - r, y);
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ctx.quadraticCurveTo(x + w, y, x + w, y + r);
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ctx.lineTo(x + w, y + h - r);
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ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);
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ctx.lineTo(x + r, y + h);
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ctx.quadraticCurveTo(x, y + h, x, y + h - r);
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ctx.lineTo(x, y + r);
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ctx.quadraticCurveTo(x, y, x + r, y);
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ctx.closePath();
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}
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contains(x, y) {
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return x >= this.x && x <= this.x + this.width &&
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y >= this.y && y <= this.y + this.height;
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}
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hitOutput(x, y) {
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return Math.hypot(x - this.output.x, y - this.output.y) < 8;
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}
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hitInput(x, y) {
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return Math.hypot(x - this.input.x, y - this.input.y) < 8;
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}
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}
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export class ServoNode extends Node {
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constructor(x, y, label, motorId) {
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super(x, y, label);
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this.type = NODE_TYPES.Servo;
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this.motorId = motorId;
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this.width = 140;
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this.height = 80;
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}
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draw(ctx) {
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// Node box
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ctx.fillStyle = this.color || "#fff9d6";
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ctx.strokeStyle = this.border || "#333";
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ctx.lineWidth = 1;
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this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
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ctx.fill();
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ctx.stroke();
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// Label
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ctx.fillStyle = "#000";
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ctx.font = "14px sans-serif";
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ctx.fillText(this.label, this.x + 10, this.y + 20);
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// Motor ID display
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ctx.font = "12px sans-serif";
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ctx.fillText(`Motor ${this.motorId}`, this.x + 10, this.y + 40);
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// Ports
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this.updatePorts();
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ctx.beginPath();
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ctx.arc(this.input.x, this.input.y, 6, 0, Math.PI * 2);
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ctx.fillStyle = "#888";
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ctx.fill();
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ctx.beginPath();
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ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
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ctx.fillStyle = "#888";
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ctx.fill();
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}
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contains(x, y) {
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return super.contains(x, y);
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}
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handleClick(mx, my) {
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if (this.contains(mx, my)) {
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window.setSelectedMotor?.(this.motorId); // or this.selectedMotorId if using dropdown
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return false;
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}
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return false;
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}
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handleMouseMove(mx, my) {
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return false;
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}
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get selectedMotorId() {
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return this.motorId;
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}
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}
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export class CurveNode extends Node {
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constructor(x, y, label = "Curve", curveId = 0) {
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super(x, y, label);
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this.type = NODE_TYPES.Curve;
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this.curveId = curveId;
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this.width = 140;
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this.height = 80;
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}
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draw(ctx) {
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// Node box
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ctx.fillStyle = this.color || "#d6f0ff";
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ctx.strokeStyle = this.border || "#333";
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ctx.lineWidth = 1;
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this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
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ctx.fill();
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ctx.stroke();
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// Label
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ctx.fillStyle = "#000";
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ctx.font = "14px sans-serif";
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ctx.fillText(this.label, this.x + 10, this.y + 20);
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// Curve ID display
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ctx.font = "12px sans-serif";
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ctx.fillText(`Curve ${this.curveId}`, this.x + 10, this.y + 40);
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// Output port only
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this.updatePorts();
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ctx.beginPath();
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ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
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ctx.fillStyle = "#888";
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ctx.fill();
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}
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contains(x, y) {
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return super.contains(x, y);
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}
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handleClick(mx, my) {
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if (this.contains(mx, my)) {
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window.setSelectedMotor?.(this.curveId);
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return false;
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}
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return false;
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}
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handleMouseMove(mx, my) {
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return false;
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}
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update(dt) {
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// Placeholder: simulate curve output
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const t = Date.now() / 1000;
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this.lastValue = Math.sin(t + this.curveId); // simple sine curve
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return false;
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}
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get outputValue() {
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return this.lastValue;
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}
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}
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export class InputNode extends Node {
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constructor(x, y, label, options) {
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super(x, y, label);
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console.log(options);
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this.inputField = new CanvasTextInput(
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this.x + 10,
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this.y + 35,
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this.width - 20,
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"1.0",
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"",
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{ defaultValue: 1.0, numericOnly: true, min: 0, max: 10 }
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);
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}
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draw(ctx) {
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// Node box
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ctx.fillStyle = this.color || "#e0f7ff";
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ctx.strokeStyle = this.border || "#333";
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ctx.lineWidth = 1;
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this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
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ctx.fill();
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ctx.stroke();
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// Label
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ctx.fillStyle = "#000";
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ctx.font = "14px sans-serif";
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ctx.fillText(this.label, this.x + 10, this.y + 20);
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// Input field
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this.inputField.x = this.x + 10;
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this.inputField.y = this.y + 35;
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this.inputField.draw(ctx);
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// Output port
|
|
ctx.beginPath();
|
|
ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
|
|
ctx.fillStyle = "#888";
|
|
ctx.fill();
|
|
}
|
|
|
|
contains(x, y) {
|
|
return super.contains(x, y) || this.inputField.contains(x, y);
|
|
}
|
|
|
|
handleClick(mx, my) {
|
|
console.log(mx, my);
|
|
return this.inputField.handleClick(mx, my);
|
|
}
|
|
|
|
handleKey(e) {
|
|
return this.inputField.handleKey(e);
|
|
}
|
|
|
|
|
|
get outputValue() {
|
|
return this.inputField.numericValue;
|
|
}
|
|
}
|
|
|
|
|
|
export class NoiseNode extends Node {
|
|
constructor(x, y, label = "Noise Generator") {
|
|
super(x, y, label);
|
|
this.type = NODE_TYPES.Noise;
|
|
this.width = 160;
|
|
this.height = 280;
|
|
|
|
this.modeDropdown = new CanvasDropdown(
|
|
10, 35, this.width - 20,
|
|
["impulse", "pulse", "threshold", "smooth"],
|
|
"impulse"
|
|
);
|
|
|
|
const inputConfigs = [
|
|
{ label: "Rate", value: "1.0", min: 0, max: 100 },
|
|
{ label: "Threshold", value: "0.8", min: 0, max: 1 },
|
|
{ label: "Pulse Width", value: "0.2", min: 0, max: 10 },
|
|
{ label: "Amplitude", value: "1.0", min: 0, max: 10 },
|
|
{ label: "Seed", value: "0", min: 0, max: 99999 }
|
|
];
|
|
this.inputs = [];
|
|
|
|
const inputSpacing = 42; // includes label + input height
|
|
|
|
for (let i = 0; i < inputConfigs.length; i++) {
|
|
const cfg = inputConfigs[i];
|
|
const inputY = 74 + i * inputSpacing;
|
|
|
|
this.inputs.push(new CanvasTextInput(
|
|
10,
|
|
inputY,
|
|
undefined, // uses default width
|
|
cfg.value,
|
|
cfg.label,
|
|
{
|
|
numericOnly: true,
|
|
min: cfg.min,
|
|
max: cfg.max
|
|
}
|
|
));
|
|
}
|
|
|
|
this.lastValue = 0;
|
|
this.timer = 0;
|
|
}
|
|
|
|
draw(ctx) {
|
|
ctx.fillStyle = this.color || "#f0e6ff";
|
|
ctx.strokeStyle = this.border || "#333";
|
|
ctx.lineWidth = 1;
|
|
this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
|
|
ctx.fill();
|
|
ctx.stroke();
|
|
|
|
|
|
// Draw Label
|
|
ctx.fillStyle = "#000";
|
|
ctx.font = "14px sans-serif";
|
|
ctx.fillText(this.label, this.x + 10, this.y + 20);
|
|
|
|
// Draw inputs
|
|
for (let i = 0; i < this.inputs.length; i++) {
|
|
const input = this.inputs[i];
|
|
input.x = this.x + input.offsetX;
|
|
input.y = this.y + input.offsetY; // 👈 vertical stacking
|
|
input.draw(ctx);
|
|
}
|
|
|
|
|
|
// Draw output port
|
|
this.updatePorts();
|
|
ctx.beginPath();
|
|
ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
|
|
ctx.fillStyle = "#888";
|
|
ctx.fill();
|
|
|
|
|
|
// Draw dropdowns LAST
|
|
this.modeDropdown.x = this.x + this.modeDropdown.offsetX;
|
|
this.modeDropdown.y = this.y + this.modeDropdown.offsetY;
|
|
this.modeDropdown.draw(ctx);
|
|
}
|
|
|
|
contains(x, y) {
|
|
return super.contains(x, y) ||
|
|
this.modeDropdown.contains(x, y) ||
|
|
this.inputs.some(input => input.contains(x, y));
|
|
}
|
|
|
|
handleClick(mx, my) {
|
|
return this.modeDropdown.handleClick(mx, my) ||
|
|
this.inputs.some(input => input.handleClick(mx, my));
|
|
}
|
|
|
|
handleKey(e) {
|
|
return this.inputs.some(input => input.handleKey(e));
|
|
}
|
|
|
|
|
|
handleMouseMove(mx, my) {
|
|
return this.modeDropdown.handleMouseMove(mx, my);
|
|
}
|
|
|
|
update(dt) {
|
|
let needsRedraw = this.modeDropdown.update(dt);
|
|
for (const input of this.inputs) {
|
|
if (input.update(dt)) needsRedraw = true;
|
|
}
|
|
|
|
// Basic noise generation logic (placeholder)
|
|
const mode = this.modeDropdown.selected;
|
|
const rate = this.inputs[0].numericValue;
|
|
const threshold = this.inputs[1].numericValue;
|
|
const pulseWidth = this.inputs[2].numericValue;
|
|
const amplitude = this.inputs[3].numericValue;
|
|
const seed = this.inputs[4].numericValue;
|
|
|
|
// Simple impulse logic for now
|
|
if (mode === "impulse") {
|
|
this.lastValue = Math.random() < rate * (dt / 1000) ? amplitude : 0;
|
|
}
|
|
|
|
return needsRedraw;
|
|
}
|
|
|
|
get outputValue() {
|
|
return this.lastValue;
|
|
}
|
|
}
|
|
|
|
export class VariableNode extends Node {
|
|
constructor(x, y, label = "Variable") {
|
|
super(x, y, label);
|
|
this.width = 160;
|
|
this.height = 100;
|
|
|
|
this.variableDropdown = new CanvasDropdown(
|
|
10, 45, this.width - 20,
|
|
["faceDetectX", "faceDetectY", "sine"],
|
|
"faceDetectX"
|
|
);
|
|
|
|
this.lastValue = 0;
|
|
this.timer = 0;
|
|
}
|
|
|
|
draw(ctx) {
|
|
ctx.fillStyle = this.color || "#e6ffe6";
|
|
ctx.strokeStyle = this.border || "#333";
|
|
ctx.lineWidth = 1;
|
|
this.drawRoundedRect(ctx, this.x, this.y, this.width, this.height, 10);
|
|
ctx.fill();
|
|
ctx.stroke();
|
|
|
|
// Label
|
|
ctx.fillStyle = "#000";
|
|
ctx.font = "14px sans-serif";
|
|
ctx.fillText(this.label, this.x + 10, this.y + 20);
|
|
|
|
// Dropdown label
|
|
ctx.fillText("Source", this.x + 10, this.y + 42);
|
|
|
|
// Dropdown
|
|
this.variableDropdown.x = this.x + this.variableDropdown.offsetX;
|
|
this.variableDropdown.y = this.y + this.variableDropdown.offsetY;
|
|
this.variableDropdown.draw(ctx);
|
|
|
|
// Output port
|
|
ctx.beginPath();
|
|
ctx.arc(this.output.x, this.output.y, 6, 0, Math.PI * 2);
|
|
ctx.fillStyle = "#888";
|
|
ctx.fill();
|
|
}
|
|
|
|
contains(x, y) {
|
|
return super.contains(x, y) || this.variableDropdown.contains(x, y);
|
|
}
|
|
|
|
handleClick(mx, my) {
|
|
return this.variableDropdown.handleClick(mx, my);
|
|
}
|
|
|
|
handleMouseMove(mx, my) {
|
|
return this.variableDropdown.handleMouseMove(mx, my);
|
|
}
|
|
|
|
update(dt) {
|
|
const changed = this.variableDropdown.update(dt);
|
|
|
|
// Simulated variable values (replace with real data source)
|
|
const selected = this.variableDropdown.selected;
|
|
if (selected === "faceDetectX") {
|
|
this.lastValue = Math.random() * 640; // simulate X position
|
|
} else if (selected === "faceDetectY") {
|
|
this.lastValue = Math.random() * 480; // simulate Y position
|
|
} else if (selected === "sine") {
|
|
this.timer += dt;
|
|
this.lastValue = Math.sin(this.timer / 1000);
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
get outputValue() {
|
|
return this.lastValue;
|
|
}
|
|
}
|