@dimforge/rapier2d/geometry/toi.js

2-dimensional physics engine in Rust - official JS bindings.

import { VectorOps } from "../math";
/**
 * The intersection between a ray and a collider.
 */
export class ShapeCastHit {
    constructor(time_of_impact, witness1, witness2, normal1, normal2) {
        this.time_of_impact = time_of_impact;
        this.witness1 = witness1;
        this.witness2 = witness2;
        this.normal1 = normal1;
        this.normal2 = normal2;
    }
    static fromBuffer(collider, buffer, target) {
        if (!buffer)
            return null;
        target !== null && target !== void 0 ? target : (target = new ShapeCastHit(0, VectorOps.zeros(), VectorOps.zeros(), VectorOps.zeros(), VectorOps.zeros()));
        target.time_of_impact = buffer[0];
        // #if DIM2
        target.witness1.x = buffer[1];
        target.witness1.y = buffer[2];
        target.witness2.x = buffer[3];
        target.witness2.y = buffer[4];
        target.normal1.x = buffer[5];
        target.normal1.y = buffer[6];
        target.normal2.x = buffer[7];
        target.normal2.y = buffer[8];
        // #endif
        return target;
    }
}
/**
 * The intersection between a ray and a collider.
 */
export class ColliderShapeCastHit extends ShapeCastHit {
    constructor(collider, time_of_impact, witness1, witness2, normal1, normal2) {
        super(time_of_impact, witness1, witness2, normal1, normal2);
        this.collider = collider;
    }
    static fromBuffer(collider, buffer, target) {
        if (!buffer)
            return null;
        target !== null && target !== void 0 ? target : (target = new ColliderShapeCastHit(null, 0, VectorOps.zeros(), VectorOps.zeros(), VectorOps.zeros(), VectorOps.zeros()));
        target.collider = collider;
        target.time_of_impact = buffer[0];
        // #if DIM2
        target.witness1.x = buffer[1];
        target.witness1.y = buffer[2];
        target.witness2.x = buffer[3];
        target.witness2.y = buffer[4];
        target.normal1.x = buffer[5];
        target.normal1.y = buffer[6];
        target.normal2.x = buffer[7];
        target.normal2.y = buffer[8];
        // #endif
        return target;
    }
}
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