vec3 - npm Package Compare versions

Comparing version 0.1.3 to 0.1.4

index.js

@@ -122,2 +122,43 @@ module.exports = v;
 };
+Vec3.prototype.norm = function() {
+  return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
+};
+Vec3.prototype.unit = function() {
+  var norm = this.norm();
+  if(norm === 0) {
+    return this.clone();
+  } else {
+    return this.scaled(1 / norm);
+  }
+};
+Vec3.prototype.scale = function(scalar) {
+  this.x *= scalar;
+  this.y *= scalar;
+  this.z *= scalar;
+  return this;
+};
+Vec3.prototype.xyDistanceTo = function(other) {
+  var dx = other.x - this.x;
+  var dy = other.y - this.y;
+  return Math.sqrt(dx * dx + dy * dy);
+};
+Vec3.prototype.xzDistanceTo = function(other) {
+  var dx = other.x - this.x;
+  var dz = other.z - this.z;
+  return Math.sqrt(dx * dx + dz * dz);
+};
+Vec3.prototype.yzDistanceTo = function(other) {
+  var dy = other.y - this.y;
+  var dz = other.z - this.z;
+  return Math.sqrt(dy * dy + dz * dz);
+};
+Vec3.prototype.innerProduct = function(other) {
+  return this.x * other.x + this.y * other.y + this.z * other.z;
+};
+Vec3.prototype.manhattanDistanceTo = function(other) {
+  return Math.abs(other.x - this.x) + Math.abs(other.y - this.y) + Math.abs(other.z - this.z);
+};
+Vec3.prototype.toArray = function() {
+  return [this.x, this.y, this.z];
+};
 
@@ -124,0 +165,0 @@ function euclideanMod(numerator, denominator) {

package.json

 {
   "name": "vec3",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "3d vector math with good unit tests",
   "main": "index.js",
+  "types": "index.d.ts",
   "scripts": {
@@ -7,0 +8,0 @@ "test": "mocha --reporter spec"

README.md

@@ -30,33 +30,47 @@ # vec3
 ```
-  v()
-    ✓ no args 
-    ✓ x, y, z 
-    ✓ array 
-    ✓ object 
+v()
+    √ no args 
+    √ x, y, z 
+    √ array 
+    √ object 
 
   vec3
-    ✓ floored 
-    ✓ floor 
-    ✓ offset 
-    ✓ translate 
-    ✓ plus 
-    ✓ minus 
-    ✓ scaled 
-    ✓ abs 
-    ✓ distanceTo 
-    ✓ equals 
-    ✓ toString 
-    ✓ clone 
-    ✓ add 
-    ✓ subtract 
-    ✓ set 
-    ✓ modulus 
-    ✓ volume 
-    ✓ min 
-    ✓ max 
+    √ floored 
+    √ floor 
+    √ offset 
+    √ translate 
+    √ plus 
+    √ minus 
+    √ scaled 
+    √ abs 
+    √ distanceTo 
+    √ equals 
+    √ toString 
+    √ clone 
+    √ add 
+    √ subtract 
+    √ set 
+    √ modulus 
+    √ volume 
+    √ min 
+    √ max 
+    √ update 
+    √ norm 
+    √ unit 
+    √ scale 
+    √ xyDistanceTo 
+    √ xzDistanceTo 
+    √ yzDistanceTo 
+    √ innerProduct 
+    √ manhattanDistanceTo 
+    √ toArray 
 
 
-  21 tests complete
+  36 tests complete
 ```
 
 More functions welcome in the form of pull requests.
+
+## History
+
+See [History](History.md)

test/test.js

@@ -232,2 +232,75 @@ var v = require('../')
   });
+  it("norm", function() {
+    var v1 = new Vec3(-10, 0, 10);
+    assert.strictEqual(Math.round(v1.norm() * 100000), Math.round(14.142135623730950 * 100000));
+  });
+  it("unit", function() {
+    var v1 = new Vec3(10, -10, 1.1);
+    var v2 = v1.unit()
+    assert.strictEqual(Math.round(v2.x * 100000), Math.round(0.7049774402016568 * 100000));
+    assert.strictEqual(Math.round(v2.y * 100000), Math.round(-0.704977440201656 * 100000));
+    assert.strictEqual(Math.round(v2.z * 100000), Math.round(0.07754751842218225 * 100000));
+    var v3 = new Vec3(0, 0, 0);
+    var v4 = v3.unit()
+    assert.strictEqual(v4.x, 0);
+    assert.strictEqual(v4.y, 0);
+    assert.strictEqual(v4.z, 0);
+  });
+  it("scale", function() {
+    var v1 = new Vec3(10, -10, 1.1);
+    var v2 = v1.scale(1.5)
+    assert.strictEqual(v2.x, 15);
+    assert.strictEqual(v2.y, -15);
+    assert.strictEqual(Math.round(v2.z * 100000), Math.round(1.65 * 100000));
+  });
+  it("xyDistanceTo", function() {
+    var v1 = new Vec3(1, 1, 1);
+    var v2 = new Vec3(2, 2, 2);
+    var dist1 = v1.xyDistanceTo(v2);
+    var dist2 = v2.xyDistanceTo(v1);
+    var expected = 1.4142135623730950;
+    assert.strictEqual(dist1, dist2);
+    assert.strictEqual(Math.round(dist1 * 100000), Math.round(expected * 100000));
+  });
+  it("xzDistanceTo", function() {
+    var v1 = new Vec3(1, 1, 1);
+    var v2 = new Vec3(2, 2, 2);
+    var dist1 = v1.xzDistanceTo(v2);
+    var dist2 = v2.xzDistanceTo(v1);
+    var expected = 1.4142135623730950;
+    assert.strictEqual(dist1, dist2);
+    assert.strictEqual(Math.round(dist1 * 100000), Math.round(expected * 100000));
+  });
+  it("yzDistanceTo", function() {
+    var v1 = new Vec3(1, 1, 1);
+    var v2 = new Vec3(2, 2, 2);
+    var dist1 = v1.yzDistanceTo(v2);
+    var dist2 = v2.yzDistanceTo(v1);
+    var expected = 1.4142135623730950;
+    assert.strictEqual(dist1, dist2);
+    assert.strictEqual(Math.round(dist1 * 100000), Math.round(expected * 100000));
+  });
+  it("innerProduct", function() {
+    var v1 = new Vec3(-1, 0, 1);
+    var v2 = new Vec3(0, 1, 0);
+    var ip1 = v1.innerProduct(v2)
+    var ip2 = v2.innerProduct(v1)
+    assert.strictEqual(ip1, ip2);
+    assert.strictEqual(ip1, 0);
+  });
+  it("manhattanDistanceTo", function() {
+    var v1 = new Vec3(-1, 0, 1);
+    var v2 = new Vec3(10, -10, 1.1);
+    var dist1 = v1.manhattanDistanceTo(v2);
+    var dist2 = v2.manhattanDistanceTo(v1);
+    assert.strictEqual(dist1, dist2);
+    assert.strictEqual(dist1, 21.1);
+  });
+  it("toArray", function() {
+    var v1 = new Vec3(1, -1, 3.14);
+    var array = v1.toArray()
+    assert.strictEqual(v1.x, array[0]);
+    assert.strictEqual(v1.y, array[1]);
+    assert.strictEqual(v1.z, array[2]);
+  });
 });

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Improved metrics

Total package byte prevSize

20488

increased by37.13%

Number of package files

7

increased by16.67%

Lines of code

503

increased by44.54%

Number of lines in readme file

76

increased by22.58%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes