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feat(zoom): tune zoom timing constants

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ZOOM_IN_TRANSITION_WINDOW_MS reduced to 0.7x for 800ms delay.
CHAINED_ZOOM_PAN_GAP_MS = 1350, CONNECTED_ZOOM_PAN_DURATION_MS = 1000.
ZOOM_OUT_EARLY_START_MS = 150.
This commit is contained in:
webadderall
2026-04-08 21:43:10 +10:00
parent 34bc473479
commit 073649591d
2 changed files with 12 additions and 10 deletions
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src/components/video-editor/videoPlayback/constants.ts
+3 -2
View File
@@ -1,8 +1,9 @@
import type { ZoomFocus } from "../types";
export const DEFAULT_FOCUS: ZoomFocus = { cx: 0.5, cy: 0.5 };
export const TRANSITION_WINDOW_MS = 1015.05;
export const ZOOM_IN_TRANSITION_WINDOW_MS = TRANSITION_WINDOW_MS * 1.5;
export const TRANSITION_WINDOW_MS = 1000;
export const ZOOM_IN_TRANSITION_WINDOW_MS = TRANSITION_WINDOW_MS * 0.7;
export const ZOOM_OUT_EARLY_START_MS = 150;
export const MIN_DELTA = 0.0001;
export const VIEWPORT_SCALE = 0.8;
export const ZOOM_TRANSLATION_DEADZONE_PX = 1.25;
src/components/video-editor/videoPlayback/zoomRegionUtils.ts
+9 -8
View File
@@ -2,11 +2,11 @@ import type { ZoomFocus, ZoomRegion } from "../types";
import {
ZOOM_DEPTH_SCALES,
} from "../types";
import { TRANSITION_WINDOW_MS, ZOOM_IN_TRANSITION_WINDOW_MS } from "./constants";
import { TRANSITION_WINDOW_MS, ZOOM_IN_TRANSITION_WINDOW_MS, ZOOM_OUT_EARLY_START_MS } from "./constants";
import { clampFocusToScale } from "./focusUtils";
import { clamp01, cubicBezier, easeOutScreenStudio } from "./mathUtils";
import { clamp01, cubicBezier, easeOutZoom } from "./mathUtils";
const CHAINED_ZOOM_PAN_GAP_MS = 1500;
const CHAINED_ZOOM_PAN_GAP_MS = 1350;
const CONNECTED_ZOOM_PAN_DURATION_MS = 1000;
const ZOOM_IN_OVERLAP_MS = 500;
@@ -43,7 +43,8 @@ export function computeRegionStrength(
) {
const zoomInEnd = region.startMs + ZOOM_IN_OVERLAP_MS;
const leadInStart = zoomInEnd - ZOOM_IN_TRANSITION_WINDOW_MS;
const leadOutEnd = region.endMs + TRANSITION_WINDOW_MS;
const zoomOutStart = region.endMs - ZOOM_OUT_EARLY_START_MS;
const leadOutEnd = zoomOutStart + TRANSITION_WINDOW_MS;
if (timeMs < leadInStart || timeMs > leadOutEnd) {
return 0;
@@ -51,15 +52,15 @@ export function computeRegionStrength(
if (timeMs < zoomInEnd) {
const progress = (timeMs - leadInStart) / ZOOM_IN_TRANSITION_WINDOW_MS;
return easeOutScreenStudio(progress);
return easeOutZoom(progress);
}
if (timeMs <= region.endMs) {
if (timeMs <= zoomOutStart) {
return 1;
}
const progress = clamp01((timeMs - region.endMs) / TRANSITION_WINDOW_MS);
return 1 - easeOutScreenStudio(progress);
const progress = clamp01((timeMs - zoomOutStart) / TRANSITION_WINDOW_MS);
return 1 - easeOutZoom(progress);
}
function getLinearFocus(start: ZoomFocus, end: ZoomFocus, amount: number): ZoomFocus {