Added jsdocs

Author: photonstorm

src/display/color/Interpolate.js

@@ -6,6 +6,30 @@
 
 var Linear = require('../../math/interpolation/LinearInterpolation');
 
+/**
+ * Interpolates color values
+ *
+ * @namespace Phaser.Display.Color.Interpolate
+ * @since 3.0.0
+ */
+
+/**
+ * Interpolates between the two given color ranges over the length supplied.
+ *
+ * @function Phaser.Display.Color.Interpolate.RGBWithRGB
+ * @since 3.0.0
+ *
+ * @param {number} r1 - Red value.
+ * @param {number} g1 - Blue value.
+ * @param {number} b1 - Green value.
+ * @param {number} r2 - Red value.
+ * @param {number} g2 - Blue value.
+ * @param {number} b2 - Green value.
+ * @param {number} [length=100] - Distance to interpolate over.
+ * @param {number} [index=0] - Index to start from.
+ *
+ * @return {ColorObject} An object containing the interpolated color values.
+ */
 var RGBWithRGB = function (r1, g1, b1, r2, g2, b2, length, index)
 {
     if (length === undefined) { length = 100; }
@@ -20,6 +44,19 @@ var RGBWithRGB = function (r1, g1, b1, r2, g2, b2, length, index)
     };
 };
 
+/**
+ * Interpolates between the two given color objects over the length supplied.
+ *
+ * @function Phaser.Display.Color.Interpolate.ColorWithColor
+ * @since 3.0.0
+ *
+ * @param {Phaser.Display.Color} color1 - The first Color object.
+ * @param {Phaser.Display.Color} color2 - The second Color object.
+ * @param {number} [length=100] - Distance to interpolate over.
+ * @param {number} [index=0] - Index to start from.
+ *
+ * @return {ColorObject} An object containing the interpolated color values.
+ */
 var ColorWithColor = function (color1, color2, length, index)
 {
     if (length === undefined) { length = 100; }
@@ -28,6 +65,21 @@ var ColorWithColor = function (color1, color2, length, index)
     return RGBWithRGB(color1.r, color1.g, color1.b, color2.r, color2.g, color2.b, length, index);
 };
 
+/**
+ * Interpolates between the Color object and color values over the length supplied.
+ *
+ * @function Phaser.Display.Color.Interpolate.ColorWithRGB
+ * @since 3.0.0
+ *
+ * @param {Phaser.Display.Color} color1 - The first Color object.
+ * @param {number} r - Red value.
+ * @param {number} g - Blue value.
+ * @param {number} b - Green value.
+ * @param {number} [length=100] - Distance to interpolate over.
+ * @param {number} [index=0] - Index to start from.
+ *
+ * @return {ColorObject} An object containing the interpolated color values.
+ */
 var ColorWithRGB = function (color, r, g, b, length, index)
 {
     if (length === undefined) { length = 100; }