87 lines
1.6 KiB
TypeScript
87 lines
1.6 KiB
TypeScript
import { v4 as uuid } from "uuid"
|
|
import * as vec from "utils/vec"
|
|
import { RayShape, ShapeType } from "types"
|
|
import { createShape } from "./index"
|
|
import { boundsContained } from "utils/bounds"
|
|
import { intersectCircleBounds } from "utils/intersections"
|
|
|
|
const ray = createShape<RayShape>({
|
|
boundsCache: new WeakMap([]),
|
|
|
|
create(props) {
|
|
return {
|
|
id: uuid(),
|
|
type: ShapeType.Ray,
|
|
name: "Ray",
|
|
parentId: "page0",
|
|
childIndex: 0,
|
|
point: [0, 0],
|
|
vector: [0, 0],
|
|
rotation: 0,
|
|
style: {},
|
|
...props,
|
|
}
|
|
},
|
|
|
|
render({ id }) {
|
|
return <circle id={id} cx={4} cy={4} r={4} />
|
|
},
|
|
|
|
getBounds(shape) {
|
|
if (this.boundsCache.has(shape)) {
|
|
return this.boundsCache.get(shape)
|
|
}
|
|
|
|
const {
|
|
point: [x, y],
|
|
} = shape
|
|
|
|
const bounds = {
|
|
minX: x,
|
|
maxX: x + 8,
|
|
minY: y,
|
|
maxY: y + 8,
|
|
width: 8,
|
|
height: 8,
|
|
}
|
|
|
|
this.boundsCache.set(shape, bounds)
|
|
|
|
return bounds
|
|
},
|
|
|
|
hitTest(shape, test) {
|
|
return vec.dist(shape.point, test) < 4
|
|
},
|
|
|
|
hitTestBounds(this, shape, brushBounds) {
|
|
const shapeBounds = this.getBounds(shape)
|
|
return (
|
|
boundsContained(shapeBounds, brushBounds) ||
|
|
intersectCircleBounds(shape.point, 4, brushBounds).length > 0
|
|
)
|
|
},
|
|
|
|
rotate(shape) {
|
|
return shape
|
|
},
|
|
|
|
translate(shape, delta) {
|
|
shape.point = vec.add(shape.point, delta)
|
|
return shape
|
|
},
|
|
|
|
scale(shape, scale: number) {
|
|
return shape
|
|
},
|
|
|
|
stretch(shape, scaleX: number, scaleY: number) {
|
|
return shape
|
|
},
|
|
|
|
transform(shape, bounds) {
|
|
return shape
|
|
},
|
|
})
|
|
|
|
export default ray
|