Maxim Dolgolyov
7a323f8fe0
ФУНДАМЕНТ — frontend/js/labs/_phys_visuals.js (новый файл, 871 строк): - LSPhysFX.FORCE_COLORS: стандарт 10 цветов (mg красный, N циан, F_тр оранжевый, T фиолетовый, F_упр зелёный, F_сопр серый, F_прил жёлтый, импульс, v, a) - drawVector / drawForceArrow / drawSpring / drawRope / drawSurface - drawCoordSystem / drawScale / drawClock / drawAngleArc / drawPivot - drawEnergyBars (KE/PE/W_тр/E_упр стеком с авто-масштабированием) - LSTimeControl class (pause/play/0.1×-5×/scrubber для одного DOF) - LSMotionTrail class (gradient line с alpha fade) - LSBuildTimeControlUI helper для DOM-UI бара ГРАФИКИ — frontend/js/labs/_graph_panel.js (новый файл, 415 строк): - LSGraphPanel: 3 stacked time-series плота, авто-scale, freeze/export PNG - LSGraphPanelUI: overlay-виджет 320×248 в углу canvas, body-selector, кнопки Сброс/Стоп/PNG download FBD (свободные силовые диаграммы) интегрированы в: - projectile.js: mg + drag + wind + elastic (bounce) - pendulum.js: mg + T (math), mg + F_упр (spring vert/horiz) - collision.js: стрелки скорости каждого шара + flash импульса - newton.js: все сцены законов I-III + новые Атвуд/наклон/скатывание - forcesandbox.js: gravity/N/friction/spring/applied на каждом теле ENERGY BARS интегрированы в 5 сим с расчётами: - projectile: ΔE_drag = F_d·v·dt (cumulative) - pendulum: для math/spring/double/physical с учётом γ-затухания - collision: KE loss при каждом столкновении - newton: все 8 сцен включая Атвуд + наклон + скатывание (с моментом инерции) - forcesandbox: + E_упр от пружин GRAPHS PANEL — в 5 сим: - pendulum: θ/ω/E (режим-aware) - collision: |v₁|, |v₂|, v_цм - newton: x/v/a (зависит от закона) - forcesandbox: x/|v|/|a| выбранного тела - hydrostatics: depth/vy/submergedFrac (только Архимед) TIME CONTROL + MOTION TRAILS в 5 сим: - pendulum (полный scrubber для math), collision, newton, forcesandbox (speed+pause) - projectile (layered speed+pause, свой trail сохранён) - LSMotionTrail на bob/балах/блоках с alpha gradient Заменено рисование пружин на LSPhysFX.drawSpring везде. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
415 lines
13 KiB
JavaScript
415 lines
13 KiB
JavaScript
'use strict';
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/* ══════════════════════════════════════════════════════════════
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GraphPanel — reusable stacked time-series widget
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Shows up to 3 traces (x/v/a or custom) in stacked sub-plots.
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Usage:
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const gp = new GraphPanel(canvas, {
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traces: ['x', 'v', 'a'],
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labels: ['x', 'v', 'a'],
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units: ['м', 'м/с', 'м/с²'],
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colors: ['#06D6E0', '#FFD166', '#EF476F'],
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maxPoints: 600
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});
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gp.push(t, [xVal, vVal, aVal]); // call every frame
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gp.draw(); // call every frame
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gp.clear(); // reset
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══════════════════════════════════════════════════════════════ */
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class GraphPanel {
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constructor(canvas, opts) {
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opts = opts || {};
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this.canvas = canvas;
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this.ctx = canvas.getContext('2d');
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this.traces = opts.traces || ['x', 'v', 'a'];
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this.colors = opts.colors || ['#06D6E0', '#FFD166', '#EF476F'];
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this.labels = opts.labels || ['x', 'v', 'a'];
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this.units = opts.units || ['м', 'м/с', 'м/с²'];
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this.maxPoints = opts.maxPoints || 600;
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this.bgColor = opts.bgColor || 'rgba(10,10,22,0.97)';
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this.gridColor = opts.gridColor || 'rgba(255,255,255,0.06)';
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this.axisColor = opts.axisColor || 'rgba(255,255,255,0.18)';
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this.frozen = false;
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this._frozenSnap = null;
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this.t = [];
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this.data = this.traces.map(() => []);
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}
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/* ─── Data feed ─────────────────────────────────────────────── */
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push(t, values) {
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if (this.frozen) return;
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this.t.push(t);
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values.forEach((v, i) => {
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if (this.data[i]) this.data[i].push(isFinite(v) ? v : 0);
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});
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while (this.t.length > this.maxPoints) {
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this.t.shift();
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this.data.forEach(arr => arr.shift());
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}
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}
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clear() {
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this.t = [];
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this.data.forEach(arr => { arr.length = 0; });
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this.frozen = false;
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this._frozenSnap = null;
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this.draw();
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}
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freeze() {
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this.frozen = !this.frozen;
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if (this.frozen) {
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this._frozenSnap = {
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t: [...this.t],
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data: this.data.map(arr => [...arr]),
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traces: this.traces,
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labels: this.labels
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};
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} else {
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this._frozenSnap = null;
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}
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return this._frozenSnap;
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}
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exportPNG() { return this.canvas.toDataURL('image/png'); }
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/* ─── Draw ───────────────────────────────────────────────────── */
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draw() {
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const { canvas, ctx } = this;
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const W = canvas.width;
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const H = canvas.height;
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const n = this.traces.length;
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if (!n) return;
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ctx.clearRect(0, 0, W, H);
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/* background */
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ctx.fillStyle = this.bgColor;
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ctx.fillRect(0, 0, W, H);
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/* frozen overlay badge */
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if (this.frozen) {
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ctx.save();
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ctx.fillStyle = 'rgba(255,209,102,0.12)';
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ctx.fillRect(0, 0, W, H);
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ctx.restore();
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}
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const PAD_L = 42;
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const PAD_R = 8;
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const PAD_TOP = 6;
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const PAD_BOT = 6;
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const plotH = Math.floor((H - PAD_TOP - PAD_BOT) / n);
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for (let ti = 0; ti < n; ti++) {
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const y0 = PAD_TOP + ti * plotH;
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const y1 = y0 + plotH;
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const pw = W - PAD_L - PAD_R;
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const ph = plotH - 2;
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/* sub-plot frame */
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if (ti > 0) {
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ctx.save();
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ctx.strokeStyle = this.gridColor;
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ctx.lineWidth = 1;
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ctx.setLineDash([3, 4]);
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ctx.beginPath();
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ctx.moveTo(PAD_L, y0);
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ctx.lineTo(W - PAD_R, y0);
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ctx.stroke();
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ctx.setLineDash([]);
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ctx.restore();
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}
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/* label */
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ctx.save();
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ctx.font = '10px Manrope,sans-serif';
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ctx.fillStyle = this.colors[ti] || '#fff';
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ctx.textAlign = 'left';
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ctx.fillText(this.labels[ti] || this.traces[ti], 2, y0 + 13);
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ctx.fillStyle = 'rgba(255,255,255,0.3)';
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ctx.font = '8px Manrope,sans-serif';
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ctx.fillText(this.units[ti] || '', 2, y0 + 23);
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ctx.restore();
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const arr = this.data[ti];
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if (!arr || arr.length < 2) continue;
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/* auto-scale */
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let mn = arr[0], mx = arr[0];
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for (let k = 1; k < arr.length; k++) {
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if (arr[k] < mn) mn = arr[k];
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if (arr[k] > mx) mx = arr[k];
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}
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const span = Math.max(mx - mn, 1e-9);
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const pad = span * 0.12;
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const yMin = mn - pad;
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const yMax = mx + pad;
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const mapX = (idx) => PAD_L + (idx / (this.maxPoints - 1)) * pw;
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const mapY = (v) => y0 + ph - ((v - yMin) / (yMax - yMin)) * ph;
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/* grid lines (3 horizontal) */
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ctx.save();
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ctx.strokeStyle = this.gridColor;
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ctx.lineWidth = 0.5;
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for (let g = 0; g <= 2; g++) {
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const gy = y0 + (g / 2) * ph;
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ctx.beginPath(); ctx.moveTo(PAD_L, gy); ctx.lineTo(W - PAD_R, gy); ctx.stroke();
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}
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ctx.restore();
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/* zero line */
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if (yMin < 0 && yMax > 0) {
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const zy = mapY(0);
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ctx.save();
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ctx.strokeStyle = 'rgba(255,255,255,0.22)';
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ctx.lineWidth = 0.8;
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ctx.setLineDash([2, 3]);
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ctx.beginPath(); ctx.moveTo(PAD_L, zy); ctx.lineTo(W - PAD_R, zy); ctx.stroke();
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ctx.setLineDash([]);
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ctx.restore();
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}
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/* y-axis min/max labels */
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ctx.save();
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ctx.font = '8px Manrope,sans-serif';
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ctx.fillStyle = 'rgba(255,255,255,0.28)';
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ctx.textAlign = 'right';
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ctx.fillText(_gpFmt(yMax), PAD_L - 2, y0 + 9);
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ctx.fillText(_gpFmt(yMin), PAD_L - 2, y0 + ph + 1);
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ctx.restore();
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/* trace */
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ctx.save();
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ctx.strokeStyle = this.colors[ti] || '#fff';
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ctx.lineWidth = 1.5;
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ctx.lineJoin = 'round';
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ctx.beginPath();
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const startIdx = Math.max(0, this.maxPoints - arr.length);
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let first = true;
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for (let k = 0; k < arr.length; k++) {
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const px = mapX(startIdx + k);
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const py = mapY(arr[k]);
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if (first) { ctx.moveTo(px, py); first = false; }
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else { ctx.lineTo(px, py); }
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}
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ctx.stroke();
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ctx.restore();
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/* current-value dot + readout */
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const lastV = arr[arr.length - 1];
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const dotX = mapX(startIdx + arr.length - 1);
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const dotY = mapY(lastV);
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ctx.save();
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ctx.fillStyle = this.colors[ti] || '#fff';
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ctx.shadowColor = this.colors[ti] || '#fff';
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ctx.shadowBlur = 6;
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ctx.beginPath();
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ctx.arc(dotX, dotY, 3, 0, Math.PI * 2);
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ctx.fill();
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ctx.shadowBlur = 0;
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ctx.font = 'bold 9px Manrope,sans-serif';
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ctx.fillStyle = this.colors[ti] || '#fff';
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ctx.textAlign = 'right';
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ctx.fillText(_gpFmt(lastV), W - PAD_R - 1, y0 + 12);
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ctx.restore();
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}
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/* frozen badge */
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if (this.frozen) {
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ctx.save();
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ctx.font = 'bold 9px Manrope,sans-serif';
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ctx.fillStyle = '#FFD166';
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ctx.textAlign = 'center';
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ctx.fillText('ЗАМОРОЖЕНО', W / 2, H - 3);
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ctx.restore();
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}
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}
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}
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/* compact number format helper */
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function _gpFmt(v) {
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const av = Math.abs(v);
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if (av === 0) return '0';
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if (av >= 1000) return v.toFixed(0);
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if (av >= 100) return v.toFixed(1);
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if (av >= 10) return v.toFixed(2);
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if (av >= 0.1) return v.toFixed(3);
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return v.toExponential(1);
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}
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window.LSGraphPanel = GraphPanel;
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/* ══════════════════════════════════════════════════════════════
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GraphPanelUI — self-contained overlay widget for a sim panel
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Creates a bottom-overlay <div> with canvas + controls.
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Usage:
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const ui = new GraphPanelUI(parentWrap, panelOpts);
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ui.push(t, values); // every RAF frame
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ui.isOn // read whether active
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══════════════════════════════════════════════════════════════ */
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class GraphPanelUI {
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constructor(parentEl, opts) {
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opts = opts || {};
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this.isOn = false;
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this._parent = parentEl;
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this._panelOpts = opts;
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this._gp = null;
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this._el = null;
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// body-selector support (optional)
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this._bodySelector = opts.bodySelector || null;
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this._selectedBody = 0;
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}
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toggle() {
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this.isOn = !this.isOn;
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if (this.isOn) {
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this._build();
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} else {
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this._destroy();
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}
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return this.isOn;
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}
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_build() {
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if (this._el) return;
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const wrap = document.createElement('div');
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wrap.id = this._panelOpts.domId || 'gp-overlay-' + Date.now();
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wrap.style.cssText = [
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'position:absolute', 'bottom:0', 'right:0',
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'width:320px', 'height:248px',
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'background:rgba(10,10,22,0.97)',
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'border:1px solid rgba(255,255,255,0.1)',
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'border-radius:10px 0 0 0',
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'display:flex', 'flex-direction:column',
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'z-index:20', 'overflow:hidden',
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].join(';');
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/* title bar */
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const bar = document.createElement('div');
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bar.style.cssText = 'display:flex;align-items:center;gap:4px;padding:4px 6px;background:rgba(255,255,255,0.04);border-bottom:1px solid rgba(255,255,255,0.07);flex-shrink:0';
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const title = document.createElement('span');
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title.style.cssText = 'flex:1;font-size:.72rem;color:rgba(255,255,255,.55);font-family:Manrope,sans-serif';
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title.textContent = this._panelOpts.title || 'Графики';
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bar.appendChild(title);
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/* body selector (optional) */
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if (this._bodySelector) {
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const sel = document.createElement('select');
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sel.style.cssText = 'font-size:.68rem;background:#1a1030;color:#f0e8ff;border:1px solid rgba(255,255,255,.12);border-radius:5px;padding:1px 4px;margin-right:4px';
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this._bodySelector.forEach((label, i) => {
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const opt = document.createElement('option');
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opt.value = i; opt.textContent = label;
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sel.appendChild(opt);
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});
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sel.addEventListener('change', () => {
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this._selectedBody = +sel.value;
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if (this._gp) this._gp.clear();
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});
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this._selEl = sel;
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bar.appendChild(sel);
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}
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/* clear button */
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const btnClr = document.createElement('button');
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btnClr.textContent = 'Сброс';
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btnClr.style.cssText = _gpBtnStyle();
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btnClr.addEventListener('click', () => this._gp && this._gp.clear());
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bar.appendChild(btnClr);
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/* freeze button */
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const btnFrz = document.createElement('button');
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btnFrz.textContent = 'Стоп';
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btnFrz.style.cssText = _gpBtnStyle();
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btnFrz.addEventListener('click', () => {
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if (!this._gp) return;
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this._gp.freeze();
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btnFrz.style.color = this._gp.frozen ? '#FFD166' : '';
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});
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bar.appendChild(btnFrz);
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/* export PNG button */
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const btnExp = document.createElement('button');
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btnExp.title = 'Экспорт PNG';
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btnExp.style.cssText = _gpBtnStyle();
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btnExp.innerHTML = '<svg viewBox="0 0 24 24" width="11" height="11" fill="none" stroke="currentColor" stroke-width="2.2"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>';
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btnExp.addEventListener('click', () => {
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if (!this._gp) return;
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const a = document.createElement('a');
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a.href = this._gp.exportPNG();
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a.download = 'graph.png';
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a.click();
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});
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bar.appendChild(btnExp);
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/* close button */
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const btnX = document.createElement('button');
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btnX.innerHTML = '<svg viewBox="0 0 24 24" width="11" height="11" fill="none" stroke="currentColor" stroke-width="2.5"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg>';
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btnX.style.cssText = _gpBtnStyle('rgba(239,71,111,0.6)');
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btnX.addEventListener('click', () => {
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this.isOn = false;
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this._destroy();
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const toggleBtn = document.getElementById(this._panelOpts.toggleBtnId);
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if (toggleBtn) toggleBtn.classList.remove('active');
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});
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bar.appendChild(btnX);
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wrap.appendChild(bar);
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/* canvas */
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const cv = document.createElement('canvas');
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cv.style.cssText = 'flex:1;width:100%;display:block';
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wrap.appendChild(cv);
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this._parent.style.position = 'relative';
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this._parent.appendChild(wrap);
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this._el = wrap;
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/* init GraphPanel after layout */
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requestAnimationFrame(() => {
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cv.width = cv.offsetWidth || 320;
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cv.height = cv.offsetHeight || 214;
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this._gp = new GraphPanel(cv, this._panelOpts);
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this._gp.draw();
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});
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}
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_destroy() {
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if (this._el) {
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this._el.remove();
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this._el = null;
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this._gp = null;
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}
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}
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push(t, values) {
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if (!this.isOn || !this._gp) return;
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this._gp.push(t, values);
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this._gp.draw();
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}
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get selectedBody() { return this._selectedBody; }
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}
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function _gpBtnStyle(color) {
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return [
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'font-size:.65rem', 'padding:2px 6px',
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'border-radius:5px',
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'border:1px solid rgba(255,255,255,0.12)',
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'background:rgba(255,255,255,0.05)',
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'color:' + (color || 'rgba(255,255,255,0.55)'),
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'cursor:pointer', 'white-space:nowrap',
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].join(';');
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}
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window.LSGraphPanelUI = GraphPanelUI;
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