Adding gravity! Here we’ve adjusting the y velocity in every frame with the force of gravity. It’s fun to play with options and see how they are affecting the animation and the physics, so I’ve also got a checkbox that will toggle gravity to either a vlaue of 2 or 0. interactive physics animations via [...]
Well, the last iteration was fun, but the animation went so quick. Now we’re going to do something to contain these dots in our canvas. Let’s have them bounce off the edges of the canvas. We’ll multiply the velocity by a bounce variable. This will reverse the direction the dot is going. We’ll have a [...]
Now that we have our framework for animation we can make things a bit more fluid. Let’s use a velocity to update the positions or coordinates of each dot rather than just throwing random numbers at them. We can then adjust the velocity or rate of movement and it will be a much more natural [...]
Here’s a quick and easy update. I tend to think of frames in animation and rarely do I think of milliseconds. I’m going to make a var called fps and it will be used to calculate our animation rate. interactive physics animations via javascript & canvas | 09. $(function () { var canvas, [...]
I saw this script back when David put it out there and was very impressed, but totally forgot where I’d seen it. Working lots with canvas and imageData recently and have been trying to remember where I’d seen this awesome experiment using it, I wanted to shout it. And now he’s linking to Ben Keens [...]
Thus far, we’ve been doing lot of setup and it hasn’t been very visually exciting. Now we start the fun stuff! Adding motion! Before we just has a draw function, but now we’ll add a function that will control the animations and we’ll also need a way to execute code repeatedly over a period of [...]
Here’s an interesting rendering I found when I was playing with drawing multiple dots. interactive physics animations via javascript & canvas | 07 B. $(function () { var canvas, context, width, height, x, y, radius = 25, clickX, clickY, drag = false; var total_dots = 25; [...]
This step we’ll add a variable to hold the total number of dots we want to create and use it in our for loop that creates the dots. We’ll also give the dots a little more randomness by varying the size with a radius value. interactive physics animations via javascript & canvas | 07. $(function [...]
Here we’re going to get more into the interactive programming on these dots. We started with one dot that was draggable. This update applies a drag/drop code to each dot object with some logic to keep track of which dot is being dragged. This is quite a bit different than accomplishing the same thing in [...]
Now we’ll apply this object oriented programming to each dot and give them all random placement. interactive physics animations via javascript & canvas | 05. $(function () { var canvas, context, width, height, x, y, radius = 25, clickX, clickY, drag = false; canvas = $("#canvas")[0]; [...]
Synth Emulator on Google Japan Doodle Today Embedded Link Moog 自分のオリジナル曲を創って、 #moogdoodle で共有しよう。
New additions to the plugin directory include: favorites, incorporating support forums into it's own tab for each plugin as well as support stats being displayed! Great! I think we also need the ability to give plugins ratings and reviews (bonus points if it can be done from within a wordpress admin dashboard when installing plugins). [...]
Use zipf's short head to tune your website rather than redesign the whole thing. To make a website successful it needs to meet the needs of the users. Find out what those needs are by using the short head philosophy to equate most searched things as the biggest needs of the users. Use personas to [...]
Great article at a list apart discusing the state of the industry regarding responsive images. This picks apart the set attribute of the img element from a surprisingly objective view coming from someone so close to the picture element. Insightful discussion about the principle behind the proposals than the actual solution too. If the working [...]
A great developer story about the differences on what Git is vs other version control and what Git is not. This is how we should learn it. I heard over and over that it was distributed, but never grasped what that meant, so here are a few links and explanations that will help unlearn version [...]
I'm very excited to share the news that the tween library from GreenSock (hands down the best tweening library I used in flash) is not ported for use in javascript! This will be great! I missed that simple syntax from as3 when animating javascript, and now I can have my cake and eat it too. [...]
Here are a few useful css tricks to remember when building responsive design sites from web designer wall Embedded Link 5 Useful CSS Tricks for Responsive Design Making the design to be responsive is very easy as shown in my Responsive Design in 3 Steps tutorial, but maintaining the elements to look aesthetically balanced on [...]
Bruce details the reasons and story behind the srcset attribute which is now introduced as an alternative to the picture element. Some aspects of the attribute are nice (like the fact that it's an attribute and not a new element, so it's creating up new elements with for problems. It's adapting currently used elements to [...]
Here's a very creative use of using a newly available technology. Using svg graphics which are very lightweight, for a website preloader. I like the animation used as well. Embedded Link Make a stylish preloader with SVG | Tutorial | .net magazine Many sites neglect users with slow connections. Ian Culshaw explains how to use [...]
I'm Evan Mullins. I'm a web designer and am very interested in the intersection of art & technology, user experience, and interactive design. I like contributing to make the web incrementally a better place. I love simultaneously solving problems & making things aesthetically brilliant. circlecube is my interactive design site chock full of tutorials, critiques, techniques, technologies, ramblings and a playground of experiments. Welcome to it!
Bruce Brownlee