HTML canvas rotate() Method
Example
Rotate the rectangle 20 degrees:
JavaScript:
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.rotate(20 * Math.PI / 180);
ctx.fillRect(50, 20, 100, 50);
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Browser Support
The numbers in the table specify the first browser version that fully supports the method.
| Method | |||||
|---|---|---|---|---|---|
| rotate() | Yes | 9.0 | Yes | Yes | Yes |
Definition and Usage
The rotate() method rotates the current drawing.
Note: The rotation will only affect drawings made AFTER the rotation is done.
| JavaScript syntax: | context.rotate(angle); |
|---|
Parameter Values
| Parameter | Description | Play it |
|---|---|---|
| angle | The rotation angle, in radians. To calculate from degrees to radians: degrees*Math.PI/180. Example: to rotate 5 degrees, specify the following: 5*Math.PI/180 |
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❮ HTML Canvas Reference
