Creating beautiful interactive animations for the web can be easy. HTML canvas allows dynamic scriptable rendering of 2D shapes and bitmap images and we can also make games using those same techniques. We can draw shapes with code and in this HTML canvas deep dive for beginners we will use vanilla JavaScript to draw a single line, and then we take it to the next level! There are a lot of things you can do with lines, for example create a fully interactive self animating vector field that reacts to used input in multiple different ways. Have fun ❤
Check out my other HTML5 canvas crash course here: • HTML5 Canvas CRASH COU...
⭐️TABLE OF CONTENT ⭐️
0:00 Course introduction
01:36 HTML mark-up and CSS styles
02:22 Window onload and document onload
02:59 How to set up HTML canvas with JavaScript
04:32 JavaScript classes and private class features
09:40 Private class methods
10:22 How to draw a line on HTML canvas
12:45 Animation loop with encapsulation
(How to use JavaScript bind method)
17:13 Resize event listener
(How to make canvas project responsive)
19:31 How to use cancelAnimationFrame method
20:56 Movement patterns with trigonometry
(How to use Math.sin() and Math.cos() for sine wave and circular movement patterns)
22:29 Mousemove event listener and event object
24:35 Timestamps and delta time
(Set framerate and periodic events in milliseconds for cross device compatibility)
30:25 How to create a grid on HTML canvas
(Using nested for loops to map a vector field grid)
33:28 Canvas gradients
(createLinearGradient and addColorStop methods)
35:40 Rotating lines using trigonometry
37:15 Control points for vector field effect
40:21 Experiment 1: spiral animation
43:22 Experiment 2: dynamic line length
(how to calculate distance between 2 points with Pythagoras theorem)
47:55 Experiment 3: Zooming and stretching on mouse move
❤ Related Links ❤
My friend Radu helped me with some optimisations here for today's project, he is an expert on algorithms, check out his channel, he also likes to use vanilla JavaScript:
/ radumariescuistodor
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Music: (UKposts audio library) Dub Hub - Jimmy Fontanez Media Right Productions
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