AI_Assistant/grid-apps-cmms
Watch
1
0
Fork
You've already forked grid-apps-cmms
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add scroll/dolly notes

Browse source
This commit is contained in:
Stewart Allen 2026-01-11 15:29:05 -05:00
commit 8d647140e8
1 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/moto/orbit.js
View file

@ -462,16 +462,18 @@ class Orbit extends EventDispatcher {
slider(null); slider(null);
// Normalize delta across browsers // Normalize delta across browsers
// Goal: scroll up = negative delta = zoom in, scroll down = positive delta = zoom out
let delta = 0; let delta = 0;
if (event.wheelDelta !== undefined) { if (event.wheelDelta !== undefined) {
// Chrome/Safari use wheelDelta (positive = scroll up, zoom out) // Chrome/Safari wheelDelta: scroll up = +120, scroll down = -120
// Negate to match deltaY convention
delta = -event.wheelDelta; delta = -event.wheelDelta;
} else if (event.detail !== undefined) { } else if (event.detail !== undefined) {
// Old Firefox DOMMouseScroll uses detail // Old Firefox DOMMouseScroll detail: scroll up = -3, scroll down = +3
delta = event.detail * 40; // Normalize to pixel values delta = event.detail * 40; // Normalize to pixel values
} else if (event.deltaY !== undefined) { } else if (event.deltaY !== undefined) {
// Modern browsers (including Firefox) use deltaY // Modern browsers deltaY: scroll up = negative, scroll down = positive
// Firefox can send deltas in different units (pixels, lines, pages) // Already matches our convention
delta = event.deltaY; delta = event.deltaY;
// Firefox's deltaMode indicates the unit of deltaY // Firefox's deltaMode indicates the unit of deltaY
// DOM_DELTA_PIXEL (0x00) - pixels // DOM_DELTA_PIXEL (0x00) - pixels