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examples/dragmascot: add a comment

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Updates #2783
This commit is contained in:
Hajime Hoshi 2024-03-22 12:41:05 +09:00
parent f2f037ebda
commit 86f53b73e3
1 changed files with 1 additions and 0 deletions
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examples/dragmascot/main.go
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@ -90,6 +90,7 @@ func (m *mascot) Update() error {
m.dragStartCursorX, m.dragStartCursorY = ebiten.CursorPosition()
}
if m.dragging {
// Move the window only by the delta of the cursor.
cx, cy := ebiten.CursorPosition()
dx := int(float64(cx-m.dragStartCursorX) * m.cursorToWindowX)
dy := int(float64(cy-m.dragStartCursorY) * m.cursorToWindowY)