First of all add the following helper function to the bottom of your code. This converts degree values to radians which is useful because whenever you need to provide an angle value in JavaScript it will nearly always be in radians but humans usually think in degrees.
Html5 Canvas Tutorials Rendering Continuous Paths On Canvas
WebGL - Html5 Canvas Overview To create graphical applications on the web HTML-5 provides a rich set of features such as 2D Canvas WebGL SVG 3D.
. Lets draw an equilateral triangle on the canvas. If as in my case you just want the starting point to be the middle top of the polygon rather than the middle right flip the sin and cos calls and change Ycenter to Ycenter - on both places leaving it as a sum rather than a difference of the values results in it starting with a point at the bottom of the resultant shape. I am not a clever man when it comes to trig so take with.
WebGL - Cube Rotation In this chapter we will take an example to demonstrate how to draw a rotating 3D cube using WebGL.
Drawing Triangles On The Canvas
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