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### Bezier Curve Tutorial

In this articlle we will learn to draw Bezier Curve and Quadratic Curve.

Similarly There are two types of curves.

- cubic bezier Curve
- quadratic bezier Curve
- —————————————-

### cubic bezier Curve

This is normal cubic Bezier curve.It uses two points which are used as controll point.

The code for drawing a cubic Bezier curve is given

context.bezierCurveTo(cp1x,cp1y,cp2x,cp2y,x,y);

This method `bezierCurveTo()`

has six argument.**1: cp _{1}x**

Now This is xCoordinate of first controll point.

**2: cp**_{2y}

Similarly This is the yCoordinate of controll point 1.

**3: cp**_{2}x

This is the xCoordinate of controll point 2.

**4: cp**_{2}y

This is yCoordinate of controll point 2

**5 **`x`

xCoordinate of end point.

**6 y **

yCoordinate of end point

## How To Draw Bezier Curve

The code for drawing a cubic bezier Curve from point (150,0) to point(150,300) with first controll point(0,125) and second controll point(300,175) will be as following.

context.moveTo(150,0);

context.bezierCurveTo(0,125,300,175,150,300);

### quadratic Bezier Curve

In this type of Bezier Curve , there are one controll point.

The method for drawing curve is `quadraticCurveTo()`

.

The code for drawing a quadratic Bezier Curve is

context.quadraticCurveTo(cpx,cpy,x,y);

This method takes four argument.

`1 cpx`

Similarly This is xCoordinates of controll point 1

`2 cpy`

This is yCoordinates of controll point .

`x`

However This is xCoordinates of ending point of curve.

`y`

This is yCoordinate of ending point of curve.

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## How To draw Quadratic Bezier Curve using html5 Canvas

The code for drawing a quadratic Bezier Curve from(0,0)to (300,0) with controll point(150,150) will be:

context.moveTo(0,0);

context.quadraticCurveTo(150,150,300,0);

### Drawing Bezier Curve and Quadratic Bezier Curve using html5 canvas:code example

### ———————————————–

```
```**
<!DOCTYPE html>
<html>
<head>
<title>Drawing </title>
</head>
<body>
<canvas id ="myCanvas" width ="600" height ="400"
style="border: 1px solid blue;">
</canvas>
<script>
var canvas = document.getElementById("myCanvas");
var context =canvas.getContext('2d');
//style and drawing for cubic quad curve
context.beginPath();
context.lineWidth =5;
context.strokeStyle ='#0000ff';
context.moveTo(150,0);
context.bezierCurveTo(0,125,300,175,150,300);
context.stroke();
// style and drawing of Bazier Quad Curve
ontext.beginPath();
context.lineWidth =5;
context.strokeStyle ='#00ffff';
context.moveTo(0,0);
context.quadraticCurveTo(150,150,300,0);
context.stroke();
</script>
</body>
</html>
**

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======================================================

### Drawing Bezier Curve and Quadratic Bezier Curve live code demo

[codepen_embed height=300 theme_id=1 slug_hash=’XJaWwL’ user=’aslamwaqar’ default_tab=’html’ animations=’run’]

[/codepen_embed]