chore: 添加第三方依赖库

thirdparty/rapier.js/src.ts/geometry/point.ts

@@ -0,0 +1,98 @@
+import {Collider, ColliderHandle} from "./collider";
+import {Vector, VectorOps} from "../math";
+import {
+    RawFeatureType,
+    RawPointColliderProjection,
+    RawPointProjection,
+} from "../raw";
+import {FeatureType} from "./feature";
+import {ColliderSet} from "./collider_set";
+
+/**
+ * The projection of a point on a collider.
+ */
+export class PointProjection {
+    /**
+     * The projection of the point on the collider.
+     */
+    point: Vector;
+    /**
+     * Is the point inside of the collider?
+     */
+    isInside: boolean;
+
+    constructor(point: Vector, isInside: boolean) {
+        this.point = point;
+        this.isInside = isInside;
+    }
+
+    public static fromRaw(raw: RawPointProjection): PointProjection {
+        if (!raw) return null;
+
+        const result = new PointProjection(
+            VectorOps.fromRaw(raw.point()),
+            raw.isInside(),
+        );
+        raw.free();
+        return result;
+    }
+}
+
+/**
+ * The projection of a point on a collider (includes the collider handle).
+ */
+export class PointColliderProjection {
+    /**
+     * The collider hit by the ray.
+     */
+    collider: Collider;
+    /**
+     * The projection of the point on the collider.
+     */
+    point: Vector;
+    /**
+     * Is the point inside of the collider?
+     */
+    isInside: boolean;
+
+    /**
+     * The type of the geometric feature the point was projected on.
+     */
+    featureType = FeatureType.Unknown;
+
+    /**
+     * The id of the geometric feature the point was projected on.
+     */
+    featureId: number | undefined = undefined;
+
+    constructor(
+        collider: Collider,
+        point: Vector,
+        isInside: boolean,
+        featureType?: FeatureType,
+        featureId?: number,
+    ) {
+        this.collider = collider;
+        this.point = point;
+        this.isInside = isInside;
+        if (featureId !== undefined) this.featureId = featureId;
+        if (featureType !== undefined) this.featureType = featureType;
+    }
+
+    public static fromRaw(
+        colliderSet: ColliderSet,
+        raw: RawPointColliderProjection,
+    ): PointColliderProjection {
+        if (!raw) return null;
+
+        const result = new PointColliderProjection(
+            colliderSet.get(raw.colliderHandle()),
+            VectorOps.fromRaw(raw.point()),
+            raw.isInside(),
+            raw.featureType() as number as FeatureType,
+            raw.featureId(),
+        );
+        raw.free();
+        return result;
+    }
+}