163 lines
3.8 KiB
TypeScript
163 lines
3.8 KiB
TypeScript
import { v4 as uuid } from "uuid"
|
|
import * as vec from "utils/vec"
|
|
import { CircleShape, ShapeType, TransformCorner, TransformEdge } from "types"
|
|
import { createShape } from "./index"
|
|
import { boundsContained } from "utils/bounds"
|
|
import { intersectCircleBounds } from "utils/intersections"
|
|
import { pointInCircle } from "utils/hitTests"
|
|
|
|
const circle = createShape<CircleShape>({
|
|
boundsCache: new WeakMap([]),
|
|
|
|
create(props) {
|
|
return {
|
|
id: uuid(),
|
|
type: ShapeType.Circle,
|
|
isGenerated: false,
|
|
name: "Circle",
|
|
parentId: "page0",
|
|
childIndex: 0,
|
|
point: [0, 0],
|
|
rotation: 0,
|
|
radius: 20,
|
|
style: {
|
|
fill: "rgba(142, 143, 142, 1.000)",
|
|
stroke: "#000",
|
|
},
|
|
...props,
|
|
}
|
|
},
|
|
|
|
render({ id, radius }) {
|
|
return <circle id={id} cx={radius} cy={radius} r={radius} />
|
|
},
|
|
|
|
getBounds(shape) {
|
|
if (this.boundsCache.has(shape)) {
|
|
return this.boundsCache.get(shape)
|
|
}
|
|
|
|
const {
|
|
point: [x, y],
|
|
radius,
|
|
} = shape
|
|
|
|
const bounds = {
|
|
minX: x,
|
|
maxX: x + radius * 2,
|
|
minY: y,
|
|
maxY: y + radius * 2,
|
|
width: radius * 2,
|
|
height: radius * 2,
|
|
}
|
|
|
|
this.boundsCache.set(shape, bounds)
|
|
|
|
return bounds
|
|
},
|
|
|
|
getCenter(shape) {
|
|
return [shape.point[0] + shape.radius, shape.point[1] + shape.radius]
|
|
},
|
|
|
|
hitTest(shape, point) {
|
|
return pointInCircle(
|
|
point,
|
|
vec.addScalar(shape.point, shape.radius),
|
|
shape.radius
|
|
)
|
|
},
|
|
|
|
hitTestBounds(shape, bounds) {
|
|
const shapeBounds = this.getBounds(shape)
|
|
|
|
return (
|
|
boundsContained(shapeBounds, bounds) ||
|
|
intersectCircleBounds(
|
|
vec.addScalar(shape.point, shape.radius),
|
|
shape.radius,
|
|
bounds
|
|
).length > 0
|
|
)
|
|
},
|
|
|
|
rotate(shape) {
|
|
return shape
|
|
},
|
|
|
|
translate(shape, delta) {
|
|
shape.point = vec.add(shape.point, delta)
|
|
return shape
|
|
},
|
|
|
|
scale(shape, scale) {
|
|
return shape
|
|
},
|
|
|
|
transform(shape, bounds, { anchor }) {
|
|
// Set the new corner or position depending on the anchor
|
|
switch (anchor) {
|
|
case TransformCorner.TopLeft: {
|
|
shape.radius = Math.min(bounds.width, bounds.height) / 2
|
|
shape.point = [
|
|
bounds.maxX - shape.radius * 2,
|
|
bounds.maxY - shape.radius * 2,
|
|
]
|
|
break
|
|
}
|
|
case TransformCorner.TopRight: {
|
|
shape.radius = Math.min(bounds.width, bounds.height) / 2
|
|
shape.point = [bounds.minX, bounds.maxY - shape.radius * 2]
|
|
break
|
|
}
|
|
case TransformCorner.BottomRight: {
|
|
shape.radius = Math.min(bounds.width, bounds.height) / 2
|
|
shape.point = [bounds.minX, bounds.minY]
|
|
break
|
|
}
|
|
case TransformCorner.BottomLeft: {
|
|
shape.radius = Math.min(bounds.width, bounds.height) / 2
|
|
shape.point = [bounds.maxX - shape.radius * 2, bounds.minY]
|
|
break
|
|
}
|
|
case TransformEdge.Top: {
|
|
shape.radius = bounds.height / 2
|
|
shape.point = [
|
|
bounds.minX + (bounds.width / 2 - shape.radius),
|
|
bounds.minY,
|
|
]
|
|
break
|
|
}
|
|
case TransformEdge.Right: {
|
|
shape.radius = bounds.width / 2
|
|
shape.point = [
|
|
bounds.maxX - shape.radius * 2,
|
|
bounds.minY + (bounds.height / 2 - shape.radius),
|
|
]
|
|
break
|
|
}
|
|
case TransformEdge.Bottom: {
|
|
shape.radius = bounds.height / 2
|
|
shape.point = [
|
|
bounds.minX + (bounds.width / 2 - shape.radius),
|
|
bounds.maxY - shape.radius * 2,
|
|
]
|
|
break
|
|
}
|
|
case TransformEdge.Left: {
|
|
shape.radius = bounds.width / 2
|
|
shape.point = [
|
|
bounds.minX,
|
|
bounds.minY + (bounds.height / 2 - shape.radius),
|
|
]
|
|
break
|
|
}
|
|
}
|
|
|
|
return shape
|
|
},
|
|
|
|
canTransform: true,
|
|
})
|
|
|
|
export default circle
|