Update README.md

Author: baba-s

README.md

@@ -4,161 +4,155 @@
 
 A utility that can use 18 kinds of curve algorithm.  
 
-# Version
+## Version
 
-- Unity 2017.3.0f3
+- Unity 2018.3.0f2
 
-# Install
-
-1. Go to the following page and download "UnityCurveUtils.unitypackage".  
-https://github.com/baba-s/unity-curve-utils/blob/master/UnityCurveUtils.unitypackage?raw=true
-2. Import the downloaded "UnityCurveUtils.unitypackage" into the Unity project.  
-
-# Example
+## Example
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/00_Example.png)
 
 An example of use of each curve algorithm is stored in "Example" folder.  
 
-# Algorithm list
+## Algorithm list
 
-## B-Spline curve
+### B-Spline curve
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/01_B_SplineCurve.png)
 
 ```cs
 var point = UnityCurveUtils.B_SplineCurve( x1, y1, x2, y2, x3, y3, t );
 ```
 
-## Bezier curve
+### Bezier curve
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/02_BezierCurve.png)
 
 ```cs
 var point = UnityCurveUtils.BezierCurve( x1, y1, x2, y2, x3, y3, x4, y4, t );
 ```
 
-## Hyperbolic spiral
+### Hyperbolic spiral
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/03_HyperbolicSpiral.png)
 
 ```cs
 var point = UnityCurveUtils.HyperbolicSpiral( a, c theta );
 ```
 
-## Witch of agnesi
+### Witch of agnesi
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/04_WitchOfAgnesi.png)
 
 ```cs
 var point = UnityCurveUtils.WitchOfAgnesi( a, theta );
 ```
 
-## Folium of descartes
+### Folium of descartes
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/05_FoliumOfDescartes.png)
 
 ```cs
 var point = UnityCurveUtils.FoliumOfDescartes( a, theta );
 ```
 
-## Ellipse
+### Ellipse
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/06_Ellipse.png)
 
 ```cs
 var point = UnityCurveUtils.Ellipse( a, b, theta );
 ```
 
-## Hyperbola
+### Hyperbola
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/07_Hyperbola.png)
 
 ```cs
 var point = UnityCurveUtils.Hyperbola( a, b, theta );
 ```
 
-## Involute of circle
+### Involute of circle
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/08_InvoluteOfCircle.png)
 
 ```cs
 var point = UnityCurveUtils.InvoluteOfCircle( a, theta );
 ```
 
-## Strophoid
+### Strophoid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/09_Strophoid.png)
 
 ```cs
 var point = UnityCurveUtils.Strophoid( a, theta );
 ```
 
-## Conchoid
+### Conchoid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/10_Conchoid.png)
 
 ```cs
 var point = UnityCurveUtils.Conchoid( a, l, theta );
 ```
 
-## Cissoid
+### Cissoid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/11_Cissoid.png)
 
 ```cs
 var point = UnityCurveUtils.Cissoid( a, theta );
 ```
 
-## Lissajous curve
+### Lissajous curve
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/12_LissajousCurve.png)
 
 ```cs
 var point = UnityCurveUtils.LissajousCurve( A, B, a, b, delta, theta );
 ```
 
-## Trochoid
+### Trochoid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/13_Trochoid.png)
 
 ```cs
 var point = UnityCurveUtils.Trochoid( rm, theta, rd );
 ```
 
-## Epitrocoid
+### Epitrocoid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/14_Epitrocoid.png)
 
 ```cs
 var point = UnityCurveUtils.Epitrocoid( rc, rm, theta, rd );
 ```
 
-## Hypetrocoid
+### Hypetrocoid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/15_Hypetrocoid.png)
 
 ```cs
 var point = UnityCurveUtils.Hypetrocoid( rc, rm, theta, rd );
 ```
 
-## Cycloid
+### Cycloid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/16_Cycloid.png)
 
 ```cs
 var point = UnityCurveUtils.Cycloid( rm, theta );
 ```
 
-## Epicycloid
+### Epicycloid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/17_Epicycloid.png)
 
 ```cs
 var point = UnityCurveUtils.Epicycloid( rm, rd, theta );
 ```
 
-## Hypocycloid
+### Hypocycloid
 
 ![](https://raw.githubusercontent.com/baba-s/unity-curve-utils/master/Screenshots/18_Hypocycloid.png)