51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
import { Circle, Rectangle } from "tsparticles-engine";
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export class CircleWarp extends Circle {
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constructor(x, y, radius, canvasSize) {
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super(x, y, radius);
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this.canvasSize = canvasSize;
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this.canvasSize = Object.assign({}, canvasSize);
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}
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contains(point) {
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if (super.contains(point)) {
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return true;
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}
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const posNE = {
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x: point.x - this.canvasSize.width,
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y: point.y,
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};
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if (super.contains(posNE)) {
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return true;
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}
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const posSE = {
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x: point.x - this.canvasSize.width,
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y: point.y - this.canvasSize.height,
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};
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if (super.contains(posSE)) {
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return true;
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}
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const posSW = {
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x: point.x,
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y: point.y - this.canvasSize.height,
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};
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return super.contains(posSW);
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}
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intersects(range) {
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if (super.intersects(range)) {
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return true;
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}
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const rect = range, circle = range, newPos = {
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x: range.position.x - this.canvasSize.width,
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y: range.position.y - this.canvasSize.height,
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};
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if (circle.radius !== undefined) {
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const biggerCircle = new Circle(newPos.x, newPos.y, circle.radius * 2);
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return super.intersects(biggerCircle);
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}
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else if (rect.size !== undefined) {
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const rectSW = new Rectangle(newPos.x, newPos.y, rect.size.width * 2, rect.size.height * 2);
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return super.intersects(rectSW);
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}
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return false;
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}
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}
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