@tsparticles/interaction-particles-links
Version:
tsParticles links particles interaction
35 lines (34 loc) • 1.3 kB
JavaScript
import { Circle, Rectangle } from "@tsparticles/engine";
const double = 2;
export class CircleWarp extends Circle {
constructor(x, y, radius, canvasSize) {
super(x, y, radius);
this.canvasSize = canvasSize;
this.canvasSize = { ...canvasSize };
}
contains(point) {
const { width, height } = this.canvasSize, { x, y } = point;
return (super.contains(point) ||
super.contains({ x: x - width, y }) ||
super.contains({ x: x - width, y: y - height }) ||
super.contains({ x, y: y - height }));
}
intersects(range) {
if (super.intersects(range)) {
return true;
}
const rect = range, circle = range, newPos = {
x: range.position.x - this.canvasSize.width,
y: range.position.y - this.canvasSize.height,
};
if (circle.radius !== undefined) {
const biggerCircle = new Circle(newPos.x, newPos.y, circle.radius * double);
return super.intersects(biggerCircle);
}
else if (rect.size !== undefined) {
const rectSW = new Rectangle(newPos.x, newPos.y, rect.size.width * double, rect.size.height * double);
return super.intersects(rectSW);
}
return false;
}
}