質問編集履歴
1
mouseDown処理を追加
title
CHANGED
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File without changes
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body
CHANGED
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@@ -25,6 +25,7 @@
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25
25
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var log = [];
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26
26
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27
27
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area.addEventListener('mousedown', function(event){
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28
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+
mouseDown = true;
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28
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position = {
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29
30
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x: event.clientX - area.offsetLeft,
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30
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y: event.clientY - area.offsetTop
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@@ -32,6 +33,7 @@
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32
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});
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33
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34
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document.addEventListener('mouseup', function(){
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36
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mouseDown = false;
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35
37
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36
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if(log.length == 0) return;
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@@ -65,6 +67,7 @@
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65
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});
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66
68
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67
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document.addEventListener('mousemove', function(event){
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70
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+
if(mouseDown !== true) return;
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68
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var x = event.clientX - area.offsetLeft;
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69
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var y = event.clientY - area.offsetTop;
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70
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logPosition(x, y);
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