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refactor(bezier-edge): only do calculations when necessary

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This commit is contained in:
moklick
2022-03-14 17:44:33 +01:00
parent 3b8756316b
commit 9fff0e5c69
1 changed files with 15 additions and 16 deletions
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31
src/components/Edges/BezierEdge.tsx
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@@ -38,24 +38,14 @@ export function getBezierPath({
cY = typeof centerY !== 'undefined' ? centerY : _centerY;
}
const distanceX = sourceX - targetX;
const distanceY = sourceY - targetY;
// A scalar value to fix the curve size getting larger
const scalarX = Math.min(curvature, Math.max(0, distanceX / 10000));
const scalarY = Math.min(curvature, Math.max(0, distanceY / 10000));
const hx1 = sourceX + Math.abs(targetX - sourceX) * (curvature - scalarX);
const hx2 = targetX - Math.abs(targetX - sourceX) * (curvature - scalarX);
const hy1 = sourceY + Math.abs(targetY - sourceY) * (curvature - scalarY);
const hy2 = targetY - Math.abs(targetY - sourceY) * (curvature - scalarY);
let path = hasCurvature
? `M${sourceX},${sourceY} C${sourceX},${hy1} ${targetX},${hy2} ${targetX},${targetY}`
: `M${sourceX},${sourceY} C${sourceX},${cY} ${targetX},${cY} ${targetX},${targetY}`;
let path = '';
if (leftAndRight.includes(sourcePosition) && leftAndRight.includes(targetPosition)) {
const distanceX = sourceX - targetX;
const scalarX = Math.min(curvature, Math.max(0, distanceX / 10000));
const hx1 = sourceX + Math.abs(targetX - sourceX) * (curvature - scalarX);
const hx2 = targetX - Math.abs(targetX - sourceX) * (curvature - scalarX);
path = hasCurvature
? `M${sourceX},${sourceY} C${hx1},${sourceY} ${hx2},${targetY}, ${targetX},${targetY}`
: `M${sourceX},${sourceY} C${cX},${sourceY} ${cX},${targetY} ${targetX},${targetY}`;
@@ -63,6 +53,15 @@ export function getBezierPath({
path = `M${sourceX},${sourceY} Q${sourceX},${targetY} ${targetX},${targetY}`;
} else if (leftAndRight.includes(sourcePosition)) {
path = `M${sourceX},${sourceY} Q${targetX},${sourceY} ${targetX},${targetY}`;
} else {
const distanceY = sourceY - targetY;
const scalarY = Math.min(curvature, Math.max(0, distanceY / 10000));
const hy1 = sourceY + Math.abs(targetY - sourceY) * (curvature - scalarY);
const hy2 = targetY - Math.abs(targetY - sourceY) * (curvature - scalarY);
path = hasCurvature
? `M${sourceX},${sourceY} C${sourceX},${hy1} ${targetX},${hy2} ${targetX},${targetY}`
: `M${sourceX},${sourceY} C${sourceX},${cY} ${targetX},${cY} ${targetX},${targetY}`;
}
return path;