You are going to learn HTML5 Canvas translate and transformation in this tutorial.
This is first part of html5 canvas tutorial for transformation using html5 Canvas.
HTML5 Canvas support three types of transformation
- translation
- scaling
- rotation
translation
translate Transformation is one kind of transformation in HTML5 Canvas which we can apply using HTML5 Canvas. translate transformation means move. When we say translate ,our meaning is movetranslatemethod takes two parameters x and y. Here x is the x-coordinate of HTML5 Canvas context and y is the y-coordinates of html5 canvas.translate(x,y) describe how many pixel context of HTML5 Canvas will move horizontally and vertically.
The code for translate using HTML5 Canvas will be.
context.translate(200,200);
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HTML5 Canvas translate complete code example
<!DOCTYPE html>
<html>
<head>
<title>html5 Canvas translate transformation </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');
var canvas = document.getElementById("myCanvas");
var context =canvas.getContext('2d');
var rectWidth=300;
var rectHeight =200;
//rectangle before translation
context.fillStyle="red";
context.fillRect(0,0,rectWidth,rectHeight);
context.translate(300,200);
// rectangle after translation
context.fillStyle="blue";
context.fillRect(0,0,rectWidth,rectHeight);
</script>
</body>
</html>
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html5Canvas translate transformation
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live code demo of html 5 canvas tutorial for translation on codepen
[codepen_embed height=300 theme_id=1 slug_hash=’ByrZbe’ user=’aslamwaqar’ default_tab=’html’ animations=’run’]
[/codepen_embed]
for playground demo check
For further reading on html5 canvas transformation by
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