89 lines
1.7 KiB
TypeScript
89 lines
1.7 KiB
TypeScript
import { v4 as uuid } from "uuid"
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import * as vec from "utils/vec"
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import { CircleShape, ShapeType } from "types"
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import { boundsCache } from "./index"
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import { boundsContained } from "utils/bounds"
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import { intersectCircleBounds } from "utils/intersections"
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import { createShape } from "./base-shape"
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const circle = createShape<CircleShape>({
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create(props) {
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return {
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id: uuid(),
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type: ShapeType.Circle,
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name: "Circle",
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parentId: "page0",
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childIndex: 0,
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point: [0, 0],
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radius: 20,
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rotation: 0,
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style: {},
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...props,
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}
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},
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render({ id, radius }) {
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return <circle id={id} cx={radius} cy={radius} r={radius} />
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},
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getBounds(shape) {
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if (boundsCache.has(shape)) {
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return boundsCache.get(shape)
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}
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const {
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point: [x, y],
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radius,
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} = shape
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const bounds = {
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minX: x,
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maxX: x + radius * 2,
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minY: y,
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maxY: y + radius * 2,
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width: radius * 2,
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height: radius * 2,
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}
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boundsCache.set(shape, bounds)
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return bounds
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},
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hitTest(shape, test) {
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return (
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vec.dist(vec.addScalar(shape.point, shape.radius), test) < shape.radius
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)
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},
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hitTestBounds(shape, bounds) {
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const shapeBounds = this.getBounds(shape)
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return (
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boundsContained(shapeBounds, bounds) ||
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intersectCircleBounds(
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vec.addScalar(shape.point, shape.radius),
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shape.radius,
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bounds
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).length > 0
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)
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},
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rotate(shape) {
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return shape
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},
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translate(shape, delta) {
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shape.point = vec.add(shape.point, delta)
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return shape
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},
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scale(shape, scale) {
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return shape
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},
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stretch(shape, scaleX, scaleY) {
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return shape
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},
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})
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export default circle
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