@here/harp-utils - npm Package Compare versions

Comparing version 0.20.0 to 0.21.0

lib/Math2D.d.ts

@@ -0,1 +1,5 @@
+interface Vec2Like {
+    x: number;
+    y: number;
+}
 export declare namespace Math2D {
@@ -31,2 +35,8 @@ /**
         /**
+         * Copy values from another box.
+         *
+         * @param box - Another box.
+         */
+        copy(box: Box): void;
+        /**
          * Test box for inclusion of point.
@@ -107,3 +117,23 @@ *
     } | undefined;
+    /**
+     * Computes the intersection point between two lines.
+     *
+     * @remarks
+     * This functions computes the
+     * {@link https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
+     *    | line-line intersection} of two lines given two points on each line.
+     *
+     * @param x1 - x coordinate of the first point of the first line.
+     * @param y1 - y coordinate of the first point of the first line.
+     * @param x2 - x coordinate of the second point of the first line.
+     * @param y2 - y coordinate of the second point of the first line.
+     * @param x3 - x coordinate of the first point of the second line.
+     * @param y3 - y coordinate of the first point of the second line.
+     * @param x4 - x coordinate of the second point of the second line.
+     * @param y4 - y coordinate of the second point of the second line.
+     * @param result - The resulting point.
+     */
+    function intersectLines(x1: number, y1: number, x2: number, y2: number, x3: number, y3: number, x4: number, y4: number, result?: Vec2Like): Vec2Like | undefined;
 }
+export {};
 //# sourceMappingURL=Math2D.d.ts.map

lib/Math2D.js

@@ -46,2 +46,13 @@ "use strict";
         /**
+         * Copy values from another box.
+         *
+         * @param box - Another box.
+         */
+        copy(box) {
+            this.x = box.x;
+            this.y = box.y;
+            this.w = box.w;
+            this.h = box.h;
+        }
+        /**
          * Test box for inclusion of point.
@@ -192,3 +203,33 @@ *
     Math2D.intersectLineAndCircle = intersectLineAndCircle;
+    /**
+     * Computes the intersection point between two lines.
+     *
+     * @remarks
+     * This functions computes the
+     * {@link https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
+     *    | line-line intersection} of two lines given two points on each line.
+     *
+     * @param x1 - x coordinate of the first point of the first line.
+     * @param y1 - y coordinate of the first point of the first line.
+     * @param x2 - x coordinate of the second point of the first line.
+     * @param y2 - y coordinate of the second point of the first line.
+     * @param x3 - x coordinate of the first point of the second line.
+     * @param y3 - y coordinate of the first point of the second line.
+     * @param x4 - x coordinate of the second point of the second line.
+     * @param y4 - y coordinate of the second point of the second line.
+     * @param result - The resulting point.
+     */
+    function intersectLines(x1, y1, x2, y2, x3, y3, x4, y4, result = { x: 0, y: 0 }) {
+        const d = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
+        if (d === 0) {
+            return undefined;
+        }
+        const px = ((x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4)) / d;
+        const py = ((x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4)) / d;
+        result.x = px;
+        result.y = py;
+        return result;
+    }
+    Math2D.intersectLines = intersectLines;
 })(Math2D = exports.Math2D || (exports.Math2D = {}));
 //# sourceMappingURL=Math2D.js.map

lib/MathUtils.d.ts

@@ -13,15 +13,2 @@ export declare namespace MathUtils {
     /**
-     * Returns a linear interpolation between the values of edge0 and edge1 based on the factor.
-     *
-     * Given two known points the linear interpolant between these points may be presented as
-     * straight line. This means that for given factor change the resulting change of return
-     * value is always const.
-     * @see https://en.wikipedia.org/wiki/Linear_interpolation
-     *
-     * @param edge0 -
-     * @param edge1 -
-     * @param factor - Interpolation factor that ranges between: 0 <= x <= 1.
-     */
-    function lerp(edge0: number, edge1: number, factor: number): number;
-    /**
      * Returns a smooth interpolation between the values edge0 and edge1 based on the interpolation
@@ -28,0 +15,0 @@ * factor x. `0 <= x <= 1`.

lib/MathUtils.js

@@ -25,18 +25,2 @@ "use strict";
     /**
-     * Returns a linear interpolation between the values of edge0 and edge1 based on the factor.
-     *
-     * Given two known points the linear interpolant between these points may be presented as
-     * straight line. This means that for given factor change the resulting change of return
-     * value is always const.
-     * @see https://en.wikipedia.org/wiki/Linear_interpolation
-     *
-     * @param edge0 -
-     * @param edge1 -
-     * @param factor - Interpolation factor that ranges between: 0 <= x <= 1.
-     */
-    function lerp(edge0, edge1, factor) {
-        return edge0 * (1 - factor) + edge1 * factor;
-    }
-    MathUtils.lerp = lerp;
-    /**
      * Returns a smooth interpolation between the values edge0 and edge1 based on the interpolation
@@ -43,0 +27,0 @@ * factor x. `0 <= x <= 1`.

package.json

 {
     "name": "@here/harp-utils",
-    "version": "0.20.0",
+    "version": "0.21.0",
     "description": "Provides utilities: logging, debugging.",
@@ -36,3 +36,3 @@ "main": "index.js",
     },
-    "gitHead": "862a06f6632e930e77208a7dc24bb293f826524a"
+    "gitHead": "460af4b155d303d96cb69152cbdbc3ff4c72213e"
 }

No alert changes

Improved metrics

Total package byte prevSize

116833

1.47%

Lines of code

2936

1.45%

No dependency changes