38 lines
1001 B
Lua
38 lines
1001 B
Lua
-- @docclass
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g_effects = {}
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function g_effects.fadeIn(widget, time, elapsed)
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if not elapsed then elapsed = 0 end
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if not time then time = 300 end
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widget:setOpacity(math.min(elapsed/time, 1))
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removeEvent(widget.fadeEvent)
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if elapsed < time then
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removeEvent(widget.fadeEvent)
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widget.fadeEvent = scheduleEvent(function()
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g_effects.fadeIn(widget, time, elapsed + 30)
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end, 30)
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else
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widget.fadeEvent = nil
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end
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end
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function g_effects.fadeOut(widget, time, elapsed)
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if not elapsed then elapsed = 0 end
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if not time then time = 300 end
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elapsed = math.max((1 - widget:getOpacity()) * time, elapsed)
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removeEvent(widget.fadeEvent)
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widget:setOpacity(math.max((time - elapsed)/time, 0))
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if elapsed < time then
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widget.fadeEvent = scheduleEvent(function()
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g_effects.fadeOut(widget, time, elapsed + 30)
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end, 30)
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else
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widget.fadeEvent = nil
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end
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end
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function g_effects.cancelFade(widget)
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removeEvent(widget.fadeEvent)
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widget.fadeEvent = nil
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end
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