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update example so that it respects the drag start #624

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update example so that it respects the drag start #624

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f40bde0
update example so that it respects the drag start
May 30, 2015
4463d7d
tabs -> spaces in example code
May 30, 2015
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13 changes: 11 additions & 2 deletions tutorials/Mouse Interaction/drag.html
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@

<!DOCTYPE html>
<html>
<head>
Expand All @@ -9,6 +10,7 @@

function init() {
stage = new createjs.Stage("demoCanvas");
stage.enableMouseOver(30); // enable mouse over so we can control mouse cursor

// this lets our drag continue to track the mouse even when it leaves the canvas:
// play with commenting this out to see the difference.
Expand All @@ -23,13 +25,20 @@

var dragger = new createjs.Container();
dragger.x = dragger.y = 100;
dragger.cursor = "move";
dragger.addChild(circle, label);
stage.addChild(dragger);


dragger.on("mousedown", function(evt) {
// note where the drag initiated on the shape
evt.currentTarget.dragOffset = evt.currentTarget.globalToLocal(evt.stageX, evt.stageY);
});

dragger.on("pressmove",function(evt) {
// currentTarget will be the container that the event listener was added to:
evt.currentTarget.x = evt.stageX;
evt.currentTarget.y = evt.stageY;
evt.currentTarget.x = evt.stageX - evt.currentTarget.dragOffset.x;
evt.currentTarget.y = evt.stageY - evt.currentTarget.dragOffset.y;
// make sure to redraw the stage to show the change:
stage.update();
});
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