Vec3 and Vec4 can now take a Vec2, 3 or 4 as a valid type of the add, sub, mult and divide methods

Author: photonstorm

v3/src/math/Vector3.js

@@ -32,7 +32,7 @@ var Vector3 = new Class({
     {
         this.x = src.x;
         this.y = src.y;
-        this.z = src.z;
+        this.z = src.z || 0;
 
         return this;
     },
@@ -59,7 +59,7 @@ var Vector3 = new Class({
     {
         this.x += v.x;
         this.y += v.y;
-        this.z += v.z;
+        this.z += v.z || 0;
 
         return this;
     },
@@ -68,7 +68,7 @@ var Vector3 = new Class({
     {
         this.x -= v.x;
         this.y -= v.y;
-        this.z -= v.z;
+        this.z -= v.z || 0;
 
         return this;
     },
@@ -77,7 +77,7 @@ var Vector3 = new Class({
     {
         this.x *= v.x;
         this.y *= v.y;
-        this.z *= v.z;
+        this.z *= v.z || 1;
 
         return this;
     },
@@ -95,7 +95,7 @@ var Vector3 = new Class({
     {
         this.x /= v.x;
         this.y /= v.y;
-        this.z /= v.z;
+        this.z /= v.z || 1;
 
         return this;
     },
@@ -113,7 +113,7 @@ var Vector3 = new Class({
     {
         var dx = v.x - this.x;
         var dy = v.y - this.y;
-        var dz = v.z - this.z;
+        var dz = v.z - this.z || 0;
 
         return Math.sqrt(dx * dx + dy * dy + dz * dz);
     },
@@ -122,7 +122,7 @@ var Vector3 = new Class({
     {
         var dx = v.x - this.x;
         var dy = v.y - this.y;
-        var dz = v.z - this.z;
+        var dz = v.z - this.z || 0;
 
         return dx * dx + dy * dy + dz * dz;
     },

v3/src/math/Vector4.js

@@ -34,8 +34,8 @@ var Vector4 = new Class({
     {
         this.x = src.x;
         this.y = src.y;
-        this.z = src.z;
-        this.w = src.w;
+        this.z = src.z || 0;
+        this.w = src.w || 0;
 
         return this;
     },
@@ -64,8 +64,8 @@ var Vector4 = new Class({
     {
         this.x += v.x;
         this.y += v.y;
-        this.z += v.z;
-        this.w += v.w;
+        this.z += v.z || 0;
+        this.w += v.w || 0;
 
         return this;
     },
@@ -74,8 +74,8 @@ var Vector4 = new Class({
     {
         this.x -= v.x;
         this.y -= v.y;
-        this.z -= v.z;
-        this.w -= v.w;
+        this.z -= v.z || 0;
+        this.w -= v.w || 0;
 
         return this;
     },
@@ -157,8 +157,8 @@ var Vector4 = new Class({
     {
         this.x *= v.x;
         this.y *= v.y;
-        this.z *= v.z;
-        this.w *= v.w;
+        this.z *= v.z || 1;
+        this.w *= v.w || 1;
 
         return this;
     },
@@ -167,8 +167,8 @@ var Vector4 = new Class({
     {
         this.x /= v.x;
         this.y /= v.y;
-        this.z /= v.z;
-        this.w /= v.w;
+        this.z /= v.z || 1;
+        this.w /= v.w || 1;
 
         return this;
     },
@@ -177,8 +177,8 @@ var Vector4 = new Class({
     {
         var dx = v.x - this.x;
         var dy = v.y - this.y;
-        var dz = v.z - this.z;
-        var dw = v.w - this.w;
+        var dz = v.z - this.z || 0;
+        var dw = v.w - this.w || 0;
 
         return Math.sqrt(dx * dx + dy * dy + dz * dz + dw * dw);
     },
@@ -187,8 +187,8 @@ var Vector4 = new Class({
     {
         var dx = v.x - this.x;
         var dy = v.y - this.y;
-        var dz = v.z - this.z;
-        var dw = v.w - this.w;
+        var dz = v.z - this.z || 0;
+        var dw = v.w - this.w || 0;
 
         return dx * dx + dy * dy + dz * dz + dw * dw;
     },