60 lines
2.4 KiB
JavaScript
60 lines
2.4 KiB
JavaScript
import { Flywheel } from "./flywheel.js";
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import { getPathShapeBetweenPoints } from "./svg.js";
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export function init(svgEl, crosshairXEl, crosshairYEl) {
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let flywheel = new Flywheel();
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const segmentCount = window.location.search.substr(1).length ? window.location.search.substr(1) : 4;
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// canvas position relative to mouse/screen
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// TODO: update on resize:
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svgEl.setAttribute('viewBox', '0 0 ' + window.innerWidth + ' ' + window.innerHeight);
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let rect = svgEl.getBoundingClientRect();
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// let cx = rect.left + rect.width / 2;
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// let cy = rect.top + rect.height / 2;
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// let center = { 'x': cx, 'y': cy };
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// move crosshairs
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window.addEventListener('mousemove', function (mousemoveEv) {
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let x = mousemoveEv.clientX - rect.left;
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let y = mousemoveEv.clientY - rect.top;
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crosshairXEl.setAttribute('x1', x)
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crosshairXEl.setAttribute('x2', x)
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crosshairYEl.setAttribute('y1', y)
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crosshairYEl.setAttribute('y2', y)
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});
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svgEl.addEventListener('mousedown', function (mousedownEv) {
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let shapeEl = document.createElementNS('http://www.w3.org/2000/svg', 'path');
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shapeEl.classList.add('rect');
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let p1 = { 'x': mousedownEv.clientX - rect.left, 'y': mousedownEv.clientY - rect.top }
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let d = getPathShapeBetweenPoints(p1, p1, segmentCount);
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svgEl.appendChild(shapeEl);
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shapeEl.setAttribute('d', d);
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let mouseMoveEv = function (mousemoveEv) {
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let p2 = { 'x': mousemoveEv.clientX - rect.left, 'y': mousemoveEv.clientY - rect.top }
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let d = getPathShapeBetweenPoints(p1, p2, segmentCount);
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shapeEl.setAttribute('d', d);
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};
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let mouseUpEv = function () {
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console.log('up');
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window.removeEventListener('mousemove', mouseMoveEv); // remove itself.
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window.removeEventListener('mouseup', mouseUpEv); // remove itself.
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shapeEl.classList.add('locked');
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//TODO: calculate points
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flywheel.add();
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setTimeout(function () {
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shapeEl.classList.add('hide');
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setTimeout(function () {
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shapeEl.parentNode.removeChild(shapeEl);
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}, 1000);
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}, 1000);
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};
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window.addEventListener('mousemove', mouseMoveEv);
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window.addEventListener('mouseup', mouseUpEv);
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})
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} |