Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Added Touch Support #3104

Merged
merged 2 commits into from
Nov 20, 2018
Merged

Added Touch Support #3104

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
af52b6c
Added Touch Support
nadirlaskar Nov 2, 2017
d95912c
Fixed event name typo `touchcancle` to `touchcancel`
nadirlaskar Aug 9, 2018
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 12 additions & 6 deletions examples/whiteboard/public/main.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,12 @@
canvas.addEventListener('mouseup', onMouseUp, false);
canvas.addEventListener('mouseout', onMouseUp, false);
canvas.addEventListener('mousemove', throttle(onMouseMove, 10), false);

//Touch support for mobile devices
canvas.addEventListener('touchstart', onMouseDown, false);
canvas.addEventListener('touchend', onMouseUp, false);
canvas.addEventListener('touchcancel', onMouseUp, false);
canvas.addEventListener('touchmove', throttle(onMouseMove, 10), false);

for (var i = 0; i < colors.length; i++){
colors[i].addEventListener('click', onColorUpdate, false);
Expand Down Expand Up @@ -51,21 +57,21 @@

function onMouseDown(e){
drawing = true;
current.x = e.clientX;
current.y = e.clientY;
current.x = e.clientX||e.touches[0].clientX;
current.y = e.clientY||e.touches[0].clientY;
}

function onMouseUp(e){
if (!drawing) { return; }
drawing = false;
drawLine(current.x, current.y, e.clientX, e.clientY, current.color, true);
drawLine(current.x, current.y, e.clientX||e.touches[0].clientX, e.clientY||e.touches[0].clientY, current.color, true);
}

function onMouseMove(e){
if (!drawing) { return; }
drawLine(current.x, current.y, e.clientX, e.clientY, current.color, true);
current.x = e.clientX;
current.y = e.clientY;
drawLine(current.x, current.y, e.clientX||e.touches[0].clientX, e.clientY||e.touches[0].clientY, current.color, true);
current.x = e.clientX||e.touches[0].clientX;
current.y = e.clientY||e.touches[0].clientY;
}

function onColorUpdate(e){
Expand Down