Rectangle
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Mark Tolmacs
parent
bb4d9649a6
commit
0050a856e5
@ -5,16 +5,10 @@ import {
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lineSegment,
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pointFrom,
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pointFromArray,
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pointFromVector,
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rectangle,
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vectorFromPoint,
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vectorNormalize,
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vectorScale,
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type GlobalPoint,
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} from "@excalidraw/math";
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import { elementCenterPoint } from "@excalidraw/common";
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import type { Curve, LineSegment, LocalPoint } from "@excalidraw/math";
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import { getCornerRadius } from "./shapes";
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@ -118,11 +112,8 @@ export function deconstructRectanguloidElement(
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if (roundness <= 0) {
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const r = rectangle(
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pointFrom(element.x - offset, element.y - offset),
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pointFrom(
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element.x + element.width + offset,
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element.y + element.height + offset,
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),
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pointFrom(element.x, element.y),
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pointFrom(element.x + element.width, element.y + element.height),
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);
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const top = lineSegment<GlobalPoint>(
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@ -146,8 +137,6 @@ export function deconstructRectanguloidElement(
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return [sides, []];
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}
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const center = elementCenterPoint(element);
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const r = rectangle(
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pointFrom(element.x, element.y),
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pointFrom(element.x + element.width, element.y + element.height),
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@ -170,116 +159,92 @@ export function deconstructRectanguloidElement(
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pointFrom<GlobalPoint>(r[0][0], r[0][1] + roundness),
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);
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const offsets = [
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vectorScale(
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vectorNormalize(
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vectorFromPoint(pointFrom(r[0][0] - offset, r[0][1] - offset), center),
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),
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offset,
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), // TOP LEFT
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vectorScale(
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vectorNormalize(
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vectorFromPoint(pointFrom(r[1][0] + offset, r[0][1] - offset), center),
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),
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offset,
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), //TOP RIGHT
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vectorScale(
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vectorNormalize(
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vectorFromPoint(pointFrom(r[1][0] + offset, r[1][1] + offset), center),
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),
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offset,
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), // BOTTOM RIGHT
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vectorScale(
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vectorNormalize(
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vectorFromPoint(pointFrom(r[0][0] - offset, r[1][1] + offset), center),
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),
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offset,
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), // BOTTOM LEFT
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];
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const corners = [
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const baseCorners = [
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curve(
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pointFromVector(offsets[0], left[1]),
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pointFromVector(
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offsets[0],
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pointFrom<GlobalPoint>(
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left[1][0] + (2 / 3) * (r[0][0] - left[1][0]),
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left[1][1] + (2 / 3) * (r[0][1] - left[1][1]),
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),
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left[1],
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pointFrom<GlobalPoint>(
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left[1][0] + (2 / 3) * (r[0][0] - left[1][0]),
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left[1][1] + (2 / 3) * (r[0][1] - left[1][1]),
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),
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pointFromVector(
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offsets[0],
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pointFrom<GlobalPoint>(
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top[0][0] + (2 / 3) * (r[0][0] - top[0][0]),
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top[0][1] + (2 / 3) * (r[0][1] - top[0][1]),
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),
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pointFrom<GlobalPoint>(
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top[0][0] + (2 / 3) * (r[0][0] - top[0][0]),
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top[0][1] + (2 / 3) * (r[0][1] - top[0][1]),
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),
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pointFromVector(offsets[0], top[0]),
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top[0],
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), // TOP LEFT
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curve(
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pointFromVector(offsets[1], top[1]),
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pointFromVector(
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offsets[1],
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pointFrom<GlobalPoint>(
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top[1][0] + (2 / 3) * (r[1][0] - top[1][0]),
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top[1][1] + (2 / 3) * (r[0][1] - top[1][1]),
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),
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top[1],
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pointFrom<GlobalPoint>(
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top[1][0] + (2 / 3) * (r[1][0] - top[1][0]),
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top[1][1] + (2 / 3) * (r[0][1] - top[1][1]),
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),
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pointFromVector(
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offsets[1],
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pointFrom<GlobalPoint>(
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right[0][0] + (2 / 3) * (r[1][0] - right[0][0]),
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right[0][1] + (2 / 3) * (r[0][1] - right[0][1]),
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),
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pointFrom<GlobalPoint>(
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right[0][0] + (2 / 3) * (r[1][0] - right[0][0]),
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right[0][1] + (2 / 3) * (r[0][1] - right[0][1]),
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),
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pointFromVector(offsets[1], right[0]),
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right[0],
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), // TOP RIGHT
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curve(
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pointFromVector(offsets[2], right[1]),
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pointFromVector(
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offsets[2],
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pointFrom<GlobalPoint>(
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right[1][0] + (2 / 3) * (r[1][0] - right[1][0]),
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right[1][1] + (2 / 3) * (r[1][1] - right[1][1]),
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),
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right[1],
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pointFrom<GlobalPoint>(
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right[1][0] + (2 / 3) * (r[1][0] - right[1][0]),
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right[1][1] + (2 / 3) * (r[1][1] - right[1][1]),
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),
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pointFromVector(
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offsets[2],
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pointFrom<GlobalPoint>(
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bottom[1][0] + (2 / 3) * (r[1][0] - bottom[1][0]),
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bottom[1][1] + (2 / 3) * (r[1][1] - bottom[1][1]),
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),
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pointFrom<GlobalPoint>(
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bottom[1][0] + (2 / 3) * (r[1][0] - bottom[1][0]),
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bottom[1][1] + (2 / 3) * (r[1][1] - bottom[1][1]),
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),
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pointFromVector(offsets[2], bottom[1]),
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bottom[1],
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), // BOTTOM RIGHT
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curve(
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pointFromVector(offsets[3], bottom[0]),
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pointFromVector(
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offsets[3],
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pointFrom<GlobalPoint>(
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bottom[0][0] + (2 / 3) * (r[0][0] - bottom[0][0]),
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bottom[0][1] + (2 / 3) * (r[1][1] - bottom[0][1]),
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),
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bottom[0],
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pointFrom<GlobalPoint>(
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bottom[0][0] + (2 / 3) * (r[0][0] - bottom[0][0]),
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bottom[0][1] + (2 / 3) * (r[1][1] - bottom[0][1]),
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),
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pointFromVector(
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offsets[3],
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pointFrom<GlobalPoint>(
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left[0][0] + (2 / 3) * (r[0][0] - left[0][0]),
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left[0][1] + (2 / 3) * (r[1][1] - left[0][1]),
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),
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pointFrom<GlobalPoint>(
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left[0][0] + (2 / 3) * (r[0][0] - left[0][0]),
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left[0][1] + (2 / 3) * (r[1][1] - left[0][1]),
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),
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pointFromVector(offsets[3], left[0]),
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left[0],
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), // BOTTOM LEFT
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];
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const corners =
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offset > 0
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? baseCorners.map(
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(corner) =>
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curveCatmullRomCubicApproxPoints(
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curveOffsetPoints(corner, offset),
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)!,
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)
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: [
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[baseCorners[0]],
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[baseCorners[1]],
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[baseCorners[2]],
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[baseCorners[3]],
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];
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const sides = [
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lineSegment<GlobalPoint>(corners[0][3], corners[1][0]),
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lineSegment<GlobalPoint>(corners[1][3], corners[2][0]),
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lineSegment<GlobalPoint>(corners[2][3], corners[3][0]),
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lineSegment<GlobalPoint>(corners[3][3], corners[0][0]),
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lineSegment<GlobalPoint>(
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corners[0][corners[0].length - 1][3],
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corners[1][0][0],
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),
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lineSegment<GlobalPoint>(
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corners[1][corners[1].length - 1][3],
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corners[2][0][0],
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),
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lineSegment<GlobalPoint>(
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corners[2][corners[2].length - 1][3],
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corners[3][0][0],
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),
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lineSegment<GlobalPoint>(
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corners[3][corners[3].length - 1][3],
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corners[0][0][0],
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),
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];
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return [sides, corners];
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return [sides, corners.flat()];
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}
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/**
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@ -329,8 +294,6 @@ export function deconstructDiamondElement(
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return [[topRight, bottomRight, bottomLeft, topLeft], []];
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}
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const center = elementCenterPoint(element);
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const [top, right, bottom, left]: GlobalPoint[] = [
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pointFrom(element.x + topX, element.y + topY),
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pointFrom(element.x + rightX, element.y + rightY),
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@ -338,84 +301,53 @@ export function deconstructDiamondElement(
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pointFrom(element.x + leftX, element.y + leftY),
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];
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const cornerPoints = [
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vectorScale(vectorNormalize(vectorFromPoint(right, center)), 0), // RIGHT
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vectorScale(vectorNormalize(vectorFromPoint(bottom, center)), 0), // BOTTOM
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vectorScale(vectorNormalize(vectorFromPoint(left, center)), 0), // LEFT
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vectorScale(vectorNormalize(vectorFromPoint(top, center)), 0), // TOP
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];
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const baseCorners = [
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curve(
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pointFromVector(
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cornerPoints[0],
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pointFrom<GlobalPoint>(
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right[0] - verticalRadius,
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right[1] - horizontalRadius,
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),
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pointFrom<GlobalPoint>(
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right[0] - verticalRadius,
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right[1] - horizontalRadius,
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),
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pointFromVector(cornerPoints[0], right),
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pointFromVector(cornerPoints[0], right),
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pointFromVector(
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cornerPoints[0],
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pointFrom<GlobalPoint>(
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right[0] - verticalRadius,
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right[1] + horizontalRadius,
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),
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right,
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right,
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pointFrom<GlobalPoint>(
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right[0] - verticalRadius,
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right[1] + horizontalRadius,
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),
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), // RIGHT
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curve(
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pointFromVector(
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cornerPoints[1],
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pointFrom<GlobalPoint>(
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bottom[0] + verticalRadius,
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bottom[1] - horizontalRadius,
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),
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pointFrom<GlobalPoint>(
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bottom[0] + verticalRadius,
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bottom[1] - horizontalRadius,
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),
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pointFromVector(cornerPoints[1], bottom),
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pointFromVector(cornerPoints[1], bottom),
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pointFromVector(
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cornerPoints[1],
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pointFrom<GlobalPoint>(
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bottom[0] - verticalRadius,
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bottom[1] - horizontalRadius,
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),
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bottom,
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bottom,
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pointFrom<GlobalPoint>(
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bottom[0] - verticalRadius,
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bottom[1] - horizontalRadius,
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),
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), // BOTTOM
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curve(
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pointFromVector(
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cornerPoints[2],
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pointFrom<GlobalPoint>(
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left[0] + verticalRadius,
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left[1] + horizontalRadius,
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),
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pointFrom<GlobalPoint>(
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left[0] + verticalRadius,
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left[1] + horizontalRadius,
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),
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pointFromVector(cornerPoints[2], left),
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pointFromVector(cornerPoints[2], left),
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pointFromVector(
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cornerPoints[2],
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pointFrom<GlobalPoint>(
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left[0] + verticalRadius,
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left[1] - horizontalRadius,
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),
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left,
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left,
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pointFrom<GlobalPoint>(
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left[0] + verticalRadius,
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left[1] - horizontalRadius,
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),
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), // LEFT
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curve(
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pointFromVector(
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cornerPoints[3],
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pointFrom<GlobalPoint>(
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top[0] - verticalRadius,
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top[1] + horizontalRadius,
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),
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pointFrom<GlobalPoint>(
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top[0] - verticalRadius,
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top[1] + horizontalRadius,
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),
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pointFromVector(cornerPoints[3], top),
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pointFromVector(cornerPoints[3], top),
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pointFromVector(
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cornerPoints[3],
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pointFrom<GlobalPoint>(
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top[0] + verticalRadius,
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top[1] + horizontalRadius,
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),
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top,
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top,
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pointFrom<GlobalPoint>(
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top[0] + verticalRadius,
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top[1] + horizontalRadius,
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),
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), // TOP
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];
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