<meta name="description" content="tree1">
<html>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.4.3/p5.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/p5.js/0.4.2/addons/p5.dom.js"></script>
</html>
// Based on Recursive Tree by Daniel Shiffman.
function setup() {
createCanvas(640, 480);
textSize(18);
stroke(225);
noFill();
smooth();
}
function draw(){
background(24);
var theta = map(mouseX, 0, width, 0, 3.14*0.75);
var factor = map(mouseY, 0, height, 0.4, 0.7);
text("theta: " + Math.round(theta*10)/10, 15, 20);
text("factor: " + Math.round(factor*10)/10, 15, 50);
// grow the tree from the bottom of the screen
translate(width/2,height);
tree(theta, factor, 100);
}
function tree(theta, factor, h) {
if (h > 2) {
strokeWeight(h/5);
stroke(255 - 35*Math.log(h));
// Draw a line h pixels long
line(0,0,0,-h);
// Move to the end of that line
translate(0,-h);
//draw the right brach
push();
rotate(-theta);
tree(theta, factor, h*factor);
pop();
//draw the right branch
push();
rotate(theta);
tree(theta, factor, h*factor);
pop();
}
}
Output
300px
You can jump to the latest bin by adding /latest
to your URL
Keyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |