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v2-ui #91

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Vishnu merged 8 commits from v2-ui into main 2025-05-21 07:36:21 +00:00
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1 changed files with 7 additions and 10 deletions
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Showing only changes of commit 402223feb3 - Show all commits

17
app/src/modules/simulation/events/arrows/arrows.tsx
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@ -160,29 +160,26 @@ export function ArrowOnQuadraticBezier({
const arrowRadius = 0.01 * scale;
const arrowHeadRadius = arrowRadius * 2.5;
const curveLength = useMemo(() => fullCurve.getLength(), [fullCurve]);
const arrowHeadTOffset = useMemo(() => Math.min(arrowHeadLength / curveLength, 0.5), [arrowHeadLength, curveLength]);
const endT = 1 - arrowHeadTOffset;
const subCurve = useMemo(() => {
const t1 = Math.max(0, endT - segmentSize / 2);
const t2 = Math.min(1, endT + segmentSize / 2);
const centerT = 0.5;
const t1 = Math.max(0, centerT - segmentSize / 2);
const t2 = Math.min(1, centerT + segmentSize / 2);
const divisions = 10;
const subPoints = Array.from({ length: divisions + 1 }, (_, i) => {
const t = THREE.MathUtils.lerp(t1, t2, i / divisions);
return fullCurve.getPoint(t);
});
return new THREE.CatmullRomCurve3(subPoints);
}, [fullCurve, endT, segmentSize]);
}, [fullCurve, segmentSize]);
const tubeGeometry = useMemo(
() => new THREE.TubeGeometry(subCurve, 20, arrowRadius, 8, false),
[subCurve, arrowRadius]
);
const arrowPosition = useMemo(() => fullCurve.getPoint(1), [fullCurve]);
const arrowTangent = useMemo(() => fullCurve.getTangent(1).normalize(), [fullCurve]);
const arrowPosition = useMemo(() => subCurve.getPoint(1), [subCurve]);
const arrowTangent = useMemo(() => subCurve.getTangent(1).normalize(), [subCurve]);
const arrowRotation = useMemo(() => {
return new THREE.Quaternion().setFromUnitVectors(new THREE.Vector3(0, 1, 0), arrowTangent);