tldraw/lib/code/index.ts
2021-05-25 10:09:51 +01:00

70 lines
1.4 KiB
TypeScript

import { Shape } from "types"
import shapeUtilityMap, {
createShape,
getShapeUtils,
ShapeUtility,
} from "lib/shape-utils"
import * as vec from "utils/vec"
import Vector from "./vector"
import { vectorToPoint } from "utils/utils"
export const codeShapes = new Set<CodeShape<Shape>>([])
/**
* A base class for code shapes. Note that creating a shape adds it to the
* shape map, while deleting it removes it from the collected shapes set
*/
export default class CodeShape<T extends Shape> {
private _shape: T
private utils: ShapeUtility<T>
constructor(props: T) {
this._shape = createShape<T>(props.type, props)
this.utils = getShapeUtils<T>(this._shape)
codeShapes.add(this)
}
destroy() {
codeShapes.delete(this)
}
moveTo(point: Vector) {
this.utils.translate(this._shape, vectorToPoint(point))
return this
}
translate(delta: Vector) {
this.utils.translate(
this._shape,
vec.add(this._shape.point, vectorToPoint(delta))
)
return this
}
rotate(rotation: number) {
this.utils.rotate(this._shape, rotation)
return this
}
getBounds() {
this.utils.getBounds(this.shape)
return this
}
hitTest(point: Vector) {
this.utils.hitTest(this.shape, vectorToPoint(point))
return this
}
get shape() {
return this._shape
}
get point() {
return [...this.shape.point]
}
get rotation() {
return this.shape.rotation
}
}