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Fixed mouse position bug

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This commit is contained in:
Joshua Moerman 2013-04-17 09:42:26 +02:00
parent 6f0f557bc6
commit fbc5374b78
1 changed files with 20 additions and 6 deletions
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26
drawing.js
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@ -12,10 +12,17 @@ var drawing = {
}; };
function down(e){ function down(e){
line.starting_point.x = e.pageX - this.offsetLeft; var x = e.pageX, y = e.pageY;
line.starting_point.y = e.pageY - this.offsetTop; var obj = e.target;
line.end_point.x = e.pageX - this.offsetLeft; do {
line.end_point.y = e.pageY - this.offsetTop; x -= obj.offsetLeft;
y -= obj.offsetTop;
} while(obj = obj.offsetParent);
line.starting_point.x = x;
line.starting_point.y = y;
line.end_point.x = x;
line.end_point.y = y;
drawing.active = true; drawing.active = true;
drawing.draw_start(line); drawing.draw_start(line);
@ -29,8 +36,15 @@ function up(e){
function move(e){ function move(e){
if(drawing.active){ if(drawing.active){
line.end_point.x = e.pageX - this.offsetLeft; var x = e.pageX, y = e.pageY;
line.end_point.y = e.pageY - this.offsetTop; var obj = e.target;
do {
x -= obj.offsetLeft;
y -= obj.offsetTop;
} while(obj = obj.offsetParent);
line.end_point.x = x;
line.end_point.y = y;
drawing.draw_move(line); drawing.draw_move(line);
} }