scratchfoundation/paper.js
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Get View#exportFrames() to work again on Node.js

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This commit is contained in:
Jürg Lehni 2016-01-27 13:27:11 +01:00
parent e7c4e3c990
commit 85d60e199e
2 changed files with 9 additions and 11 deletions
examples/Node.js
AnimatedStar.js
src/node
extend.js

2
examples/Node.js/AnimatedStar.js
View file

@ -46,4 +46,4 @@ paper.view.onFrame = function(event) {
var angle = (values.count - i) * Math.sin(event.count / 128) / 10;
item.rotate(angle);
}
}
};

18
src/node/extend.js
View file

@ -73,14 +73,13 @@ module.exports = function(paper) {
// Override requestAnimationFrame() to avoid setInterval() timers.
paper.DomEvent.requestAnimationFrame = function(callback) {
process.nextTick(callback);
};
// Node.js based image exporting code.
paper.CanvasView.inject({
// DOCS: CanvasView#exportFrames(param);
exportFrames: function(param) {
param = new paper.Base({
param = paper.Base.set({
fps: 30,
prefix: 'frame-',
amount: 1
@ -98,6 +97,12 @@ module.exports = function(paper) {
exportFrame(param);
function exportFrame(param) {
// Convert to a Base object, for #toString()
view.emit('frame', new paper.Base({
delta: frameDuration,
time: frameDuration * count,
count: count
}));
var file = path.join(param.directory,
param.prefix + ('000000' + count).slice(-6) + '.png');
var out = view.exportImage(file, function() {
@ -114,7 +119,7 @@ module.exports = function(paper) {
});
}
lastTime = then;
if (count < param.amount) {
if (++count < param.amount) {
exportFrame(param);
} else {
// Call onComplete handler when finished:
@ -123,13 +128,6 @@ module.exports = function(paper) {
}
}
});
// Convert to a Base object, for #toString()
view.emit('frame', new paper.Base({
delta: frameDuration,
time: frameDuration * count,
count: count
}));
count++;
}
},