309 lines
10 KiB
JavaScript
309 lines
10 KiB
JavaScript
window.onload = () => {
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let isInterpolating = false;
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let currentFrame = 0;
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let dialKeyframes = Array.from({ length: 5 }, () => ({}));
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let port, reader, writer;
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let selectedDial = null;
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let draggingKeyframe = null; // { dialIndex, originalFrame }
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let isDragging = false;
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const dialColors = ['red', 'green', 'blue', 'orange', 'purple'];
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const dials = [];
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const frameSlider = document.getElementById('frameSlider');
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const frameDisplay = document.getElementById('frameDisplay');
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const canvas = document.getElementById('timelineCanvas');
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const ctx = canvas.getContext('2d');
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const totalFrames = 400;
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frameSlider.oninput = () => {
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currentFrame = parseInt(frameSlider.value);
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frameDisplay.textContent = currentFrame;
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isInterpolating = true;
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for (let ch = 0; ch < 5; ch++) {
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const keyframes = dialKeyframes[ch];
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let prevFrame = null, nextFrame = null;
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for (let f = currentFrame; f >= 0; f--) {
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if (keyframes[f] !== undefined) {
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prevFrame = f;
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break;
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}
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}
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for (let f = currentFrame; f <= 399; f++) {
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if (keyframes[f] !== undefined) {
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nextFrame = f;
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break;
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}
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}
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let value;
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if (prevFrame !== null && nextFrame !== null && prevFrame !== nextFrame) {
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const prevVal = keyframes[prevFrame];
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const nextVal = keyframes[nextFrame];
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const t = (currentFrame - prevFrame) / (nextFrame - prevFrame);
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value = Math.round(prevVal + (nextVal - prevVal) * t);
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} else if (prevFrame !== null) {
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value = keyframes[prevFrame];
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} else if (nextFrame !== null) {
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value = keyframes[nextFrame];
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} else {
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value = 512;
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}
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dials[ch].value = value;
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document.getElementById(`value${ch}`).textContent = value;
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}
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drawTimelineMarkers();
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isInterpolating = false;
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};
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for (let i = 0; i < 5; i++) {
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dials[i] = new Nexus.Dial(`#dial${i}`, {
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size: [80, 80],
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min: 0,
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max: 1023,
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value: 512
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});
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dials[i].colorize("accent", dialColors[i]);
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dials[i].on('change', (v) => {
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if (isInterpolating) return;
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const val = Math.round(v);
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document.getElementById(`value${i}`).textContent = val;
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dialKeyframes[i][currentFrame] = val;
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drawTimelineMarkers();
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});
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}
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document.querySelectorAll('.dial').forEach(el => {
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el.onclick = () => {
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selectedDial = parseInt(el.dataset.index);
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document.querySelectorAll('.dial').forEach(d => d.classList.remove('selected'));
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el.classList.add('selected');
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drawTimelineMarkers();
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};
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});
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document.getElementById('connect').onclick = async () => {
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port = await navigator.serial.requestPort();
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await port.open({ baudRate: 115200 });
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writer = port.writable.getWriter();
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reader = port.readable.getReader();
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const decoder = new TextDecoder();
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while (true) {
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const { value, done } = await reader.read();
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if (done) break;
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document.getElementById('log').value += decoder.decode(value);
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}
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};
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document.getElementById('send').onclick = async () => {
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const text = document.getElementById('input').value + '\n';
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const encoder = new TextEncoder();
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await writer.write(encoder.encode(text));
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document.getElementById('input').value = '';
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};
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document.getElementById('sendFrame').onclick = async () => {
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const positions = dials.map(d => Math.round(d.value));
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const message = `FRAME ${positions.join(',')}\n`;
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const encoder = new TextEncoder();
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await writer.write(encoder.encode(message));
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};
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function drawTimelineMarkers() {
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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const width = canvas.width;
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const height = canvas.height;
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// Draw tick marks every 50 frames
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ctx.strokeStyle = '#aaa';
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ctx.lineWidth = 1;
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for (let f = 0; f <= totalFrames; f += 25) {
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const x = (f / totalFrames) * width;
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ctx.beginPath();
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ctx.moveTo(x, height * 0.75); // small tick at bottom
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ctx.lineTo(x, height);
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ctx.stroke();
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}
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for (let f = 0; f <= totalFrames; f += 50) {
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const x = (f / totalFrames) * width;
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ctx.beginPath();
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ctx.moveTo(x, height * 0.65); // small tick at bottom
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ctx.lineTo(x, height);
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ctx.stroke();
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}
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// Draw label on tick marks
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ctx.fillStyle = '#666';
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ctx.font = '10px sans-serif';
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ctx.textAlign = 'center';
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for (let f = 0; f <= totalFrames; f += 50) {
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const x = (f / totalFrames) * width;
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const seconds = f / 50;
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ctx.fillText(seconds.toString() + "s", x, height - 12);
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}
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if (selectedDial !== null) {
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for (let frame in dialKeyframes[selectedDial]) {
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const x = (frame / 400) * width;
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ctx.beginPath();
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ctx.moveTo(x, 0);
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ctx.lineTo(x, height);
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ctx.strokeStyle = dialColors[selectedDial];
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ctx.lineWidth = 2;
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ctx.stroke();
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}
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} else {
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for (let ch = 0; ch < 5; ch++) {
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for (let frame in dialKeyframes[ch]) {
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const x = (frame / 400) * width;
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ctx.beginPath();
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ctx.moveTo(x, 0);
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ctx.lineTo(x, height);
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ctx.strokeStyle = dialColors[ch];
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ctx.lineWidth = 1;
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ctx.stroke();
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}
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}
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}
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const currentX = (currentFrame / 400) * width;
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ctx.beginPath();
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ctx.moveTo(currentX, 0);
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ctx.lineTo(currentX, height);
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ctx.strokeStyle = 'black';
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ctx.lineWidth = 2;
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ctx.stroke();
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}
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document.addEventListener('click', (e) => {
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const ignoredTags = ['BUTTON', 'INPUT', 'TEXTAREA', 'CANVAS'];
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const clickedInsideDial = e.target.closest('.dial');
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const clickedControl = ignoredTags.includes(e.target.tagName);
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if (!clickedInsideDial && !clickedControl && selectedDial !== null) {
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selectedDial = null;
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document.querySelectorAll('.dial').forEach(el => el.classList.remove('selected'));
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drawTimelineMarkers();
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}
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});
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canvas.addEventListener('mousedown', (e) => {
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const x = e.offsetX;
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const frame = Math.round((x / canvas.width) * totalFrames);
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const dialIndices = selectedDial !== null ? [selectedDial] : [0, 1, 2, 3, 4];
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for (let ch of dialIndices) {
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for (let f in dialKeyframes[ch]) {
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const fx = (f / totalFrames) * canvas.width;
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if (Math.abs(fx - x) < 5) {
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draggingKeyframe = { dialIndex: ch, originalFrame: parseInt(f) };
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isDragging = true;
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return;
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}
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}
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}
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});
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canvas.addEventListener('mousemove', (e) => {
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if (!isDragging || !draggingKeyframe) return;
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const x = e.offsetX;
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const newFrame = Math.max(0, Math.min(totalFrames - 1, Math.round((x / canvas.width) * totalFrames)));
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const { dialIndex, originalFrame } = draggingKeyframe;
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const value = dialKeyframes[dialIndex][originalFrame];
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if (newFrame !== originalFrame) {
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delete dialKeyframes[dialIndex][originalFrame];
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dialKeyframes[dialIndex][newFrame] = value;
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draggingKeyframe.originalFrame = newFrame;
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drawTimelineMarkers();
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}
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});
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canvas.addEventListener('mouseup', () => {
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isDragging = false;
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draggingKeyframe = null;
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});
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canvas.addEventListener('dblclick', (e) => {
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const x = e.offsetX;
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const frame = Math.round((x / canvas.width) * totalFrames);
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const dialIndices = selectedDial !== null ? [selectedDial] : [0, 1, 2, 3, 4];
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for (let ch of dialIndices) {
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if (dialKeyframes[ch][frame] !== undefined) {
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delete dialKeyframes[ch][frame];
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drawTimelineMarkers();
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}
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}
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});
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document.getElementById('saveAnimation').onclick = async () => {
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if (!writer) {
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alert("Serial not connected.");
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return;
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}
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const buffer = new ArrayBuffer(totalFrames * 5 * 2);
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const view = new DataView(buffer);
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for (let frame = 0; frame < totalFrames; frame++) {
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for (let ch = 0; ch < 5; ch++) {
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const keyframes = dialKeyframes[ch];
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let prevFrame = null, nextFrame = null;
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for (let f = frame; f >= 0; f--) {
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if (keyframes[f] !== undefined) {
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prevFrame = f;
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break;
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}
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}
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for (let f = frame; f <= totalFrames - 1; f++) {
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if (keyframes[f] !== undefined) {
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nextFrame = f;
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break;
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}
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}
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let value;
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if (prevFrame !== null && nextFrame !== null && prevFrame !== nextFrame) {
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const prevVal = keyframes[prevFrame];
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const nextVal = keyframes[nextFrame];
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const t = (frame - prevFrame) / (nextFrame - prevFrame);
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value = Math.round(prevVal + (nextVal - prevVal) * t);
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} else if (prevFrame !== null) {
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value = keyframes[prevFrame];
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} else if (nextFrame !== null) {
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value = keyframes[nextFrame];
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} else {
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value = 512;
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}
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view.setUint16((frame * 5 + ch) * 2, value, true);
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}
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}
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await writer.write(buffer);
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alert("Animation sent over serial.");
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};
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drawTimelineMarkers();
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};
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