63 lines
1.5 KiB
TypeScript
63 lines
1.5 KiB
TypeScript
import {Vector, VectorOps} from "../math";
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import {RawShapeContact} from "../raw";
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/**
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* The contact info between two shapes.
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*/
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export class ShapeContact {
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/**
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* Distance between the two contact points.
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* If this is negative, this contact represents a penetration.
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*/
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distance: number;
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/**
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* Position of the contact on the first shape.
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*/
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point1: Vector;
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/**
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* Position of the contact on the second shape.
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*/
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point2: Vector;
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/**
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* Contact normal, pointing towards the exterior of the first shape.
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*/
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normal1: Vector;
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/**
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* Contact normal, pointing towards the exterior of the second shape.
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* If these contact data are expressed in world-space, this normal is equal to -normal1.
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*/
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normal2: Vector;
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constructor(
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dist: number,
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point1: Vector,
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point2: Vector,
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normal1: Vector,
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normal2: Vector,
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) {
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this.distance = dist;
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this.point1 = point1;
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this.point2 = point2;
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this.normal1 = normal1;
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this.normal2 = normal2;
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}
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public static fromRaw(raw: RawShapeContact): ShapeContact {
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if (!raw) return null;
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const result = new ShapeContact(
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raw.distance(),
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VectorOps.fromRaw(raw.point1()),
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VectorOps.fromRaw(raw.point2()),
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VectorOps.fromRaw(raw.normal1()),
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VectorOps.fromRaw(raw.normal2()),
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);
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raw.free();
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return result;
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}
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}
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