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feat: calculate coordinates

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Fine 2023-03-17 11:40:34 +08:00
parent 6c8b947c21
commit 0dd95021f3
1 changed files with 55 additions and 7 deletions
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62
src/views/dashboard/related/topology/components/utils/layout.ts
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@ -28,15 +28,17 @@ export function layout(levels: Node[][], calls: Call[]) {
const node_width = 100; const node_width = 100;
const bundle_width = 14; const bundle_width = 14;
const metro_d = 4; const metro_d = 4;
for (const n of nodes) {
nodes.forEach((n: { height: number }) => (n.height = 5 * metro_d)); n.height = 5 * metro_d;
}
let x_offset = padding; let x_offset = padding;
let y_offset = 0; let y_offset = 0;
levels.forEach((l: any) => { for (const level of levels) {
y_offset = 0; y_offset = 0;
x_offset += 5 * bundle_width; x_offset += 5 * bundle_width;
l.forEach((n: any) => { for (const l of level) {
const n: any = l;
for (const call of calls) { for (const call of calls) {
if (call.source === n.id) { if (call.source === n.id) {
call.sourceObj = n; call.sourceObj = n;
@ -48,9 +50,32 @@ export function layout(levels: Node[][], calls: Call[]) {
n.x = n.level * node_width + x_offset; n.x = n.level * node_width + x_offset;
n.y = node_height + y_offset + n.height / 2; n.y = node_height + y_offset + n.height / 2;
y_offset += node_height + n.height; y_offset += node_height + n.height;
}); }
}); }
for (const call of calls) {
const sp = lineCircleIntersection(
call.sourceObj.x,
call.sourceObj.y,
call.targetObj.x,
call.targetObj.y,
call.sourceObj.x,
call.sourceObj.y,
18,
);
const tp = lineCircleIntersection(
call.sourceObj.x,
call.sourceObj.y,
call.targetObj.x,
call.targetObj.y,
call.targetObj.x,
call.targetObj.y,
18,
);
call.sourceObj.ax = sp[0];
call.sourceObj.ay = sp[1];
call.targetObj.ax = tp[0];
call.targetObj.ay = tp[1];
}
const layout = { const layout = {
width: d3.max(nodes, (n: { x: number }) => n.x) || 0 + node_width + 2 * padding, width: d3.max(nodes, (n: { x: number }) => n.x) || 0 + node_width + 2 * padding,
height: d3.max(nodes, (n: { y: number }) => n.y) || 0 + node_height / 2 + 2 * padding, height: d3.max(nodes, (n: { y: number }) => n.y) || 0 + node_height / 2 + 2 * padding,
@ -58,3 +83,26 @@ export function layout(levels: Node[][], calls: Call[]) {
return { nodes, layout, calls }; return { nodes, layout, calls };
} }
function lineCircleIntersection(x1: number, y1: number, x2: number, y2: number, cx: number, cy: number, r: number) {
const k = (y2 - y1) / (x2 - x1);
const b = y1 - k * x1;
let x = 0;
if (k == Infinity || k == -Infinity) {
x = x1;
} else {
x =
(b -
cy +
k * cx +
Math.sqrt(
Math.abs((cy - b - k * cx) * (cy - b - k * cx) - (1 + k * k) * (cx * cx - 2 * k * cx * cy + cy * cy - r * r)),
)) /
(1 + k * k);
}
const y = k * x + b;
return [x, y];
}