first commit

2026-06-24 09:48:54 +02:00
commit 41e62ddcad
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+import { getEasingForSegment } from '../../../easing/utils/get-easing-for-segment.mjs';
+import { removeItem } from '../../../utils/array.mjs';
+import { mixNumber } from '../../../utils/mix/number.mjs';
+
+function eraseKeyframes(sequence, startTime, endTime) {
+    for (let i = 0; i < sequence.length; i++) {
+        const keyframe = sequence[i];
+        if (keyframe.at > startTime && keyframe.at < endTime) {
+            removeItem(sequence, keyframe);
+            // If we remove this item we have to push the pointer back one
+            i--;
+        }
+    }
+}
+function addKeyframes(sequence, keyframes, easing, offset, startTime, endTime) {
+    /**
+     * Erase every existing value between currentTime and targetTime,
+     * this will essentially splice this timeline into any currently
+     * defined ones.
+     */
+    eraseKeyframes(sequence, startTime, endTime);
+    for (let i = 0; i < keyframes.length; i++) {
+        sequence.push({
+            value: keyframes[i],
+            at: mixNumber(startTime, endTime, offset[i]),
+            easing: getEasingForSegment(easing, i),
+        });
+    }
+}
+
+export { addKeyframes, eraseKeyframes };