Using HTML5 and JavaScript Extend Bresenham's line drawing algorithm to work for all slopes using symmetry The user left clicks to select the start of a line segment and releases the button to select the endpoint Your code should continuously display the line while the left button is held down Here is the code to extend var canvas document getElementById( canvas ) var context canvas getContext( 2d ) canvas addEventListener( mousedown , handleMouseDown) canvas addEventListener( mousemove , handleMouseMove) canvas addEventListener( mouseup , handleMouseUp) var p0 x 0, y 0 var p1 x 0, y 0 var isdown 0 display() function handleMouseUp(event) isdown 0 p1 x event clientX canvas offsetLeft p1 y event clientY canvas offsetTop display() function handleMouseDown(event) isdown 1 p0 x event clientX canvas offsetLeft p0 y event clientY canvas offsetTop display() function handleMouseMove(event) if (isdown 0) return p1 x event clientX canvas offsetLeft p1 y event clientY canvas offsetTop display() function midpoint(p0, p1) var dy p1 y p0 y var dx p1 x p0 x var incE 2 dy var incNE 2 dx incE var d dx 2 dy var x, y y p0 y for (x p0 x x 0) d incE else d incNE y function display() context clearRect(0, 0, canvas width, canvas height) var dx p1 x p0 x var dy p1 y p0 y if (dx 0 dy 0 dx dy) midpoint(p0, p1) context fillStyle 00FF00 context strokeStyle FF0000 context beginPath() context moveTo(p0 x, p0 y) context lineTo(p1 x, p1 y) context stroke()

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Question: Using HTML5 and JavaScript Extend Bresenham's line-drawing algorithm to work for all slopes using symmetry. The user left clicks to select the start of a

Using HTML5 and JavaScript

Extend Bresenham's line-drawing algorithm to work for all slopes using symmetry. The user left clicks to select the start of a line segment and releases the button to select the endpoint. Your code should continuously display the line while the left button is held down.

Here is the code to extend:

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