質問編集履歴
1
mouseDown処理を追加
test
CHANGED
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File without changes
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test
CHANGED
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@@ -52,6 +52,8 @@
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52
52
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53
53
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area.addEventListener('mousedown', function(event){
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54
54
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55
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+
mouseDown = true;
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56
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+
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55
57
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position = {
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56
58
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57
59
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x: event.clientX - area.offsetLeft,
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@@ -65,6 +67,8 @@
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65
67
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66
68
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67
69
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document.addEventListener('mouseup', function(){
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70
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+
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71
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mouseDown = false;
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68
72
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69
73
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70
74
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@@ -132,6 +136,8 @@
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132
136
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133
137
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document.addEventListener('mousemove', function(event){
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134
138
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139
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if(mouseDown !== true) return;
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140
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+
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135
141
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var x = event.clientX - area.offsetLeft;
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136
142
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137
143
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var y = event.clientY - area.offsetTop;
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