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function FadingFrame_SetFadeInTime(fadingFrame, time)
fadingFrame.fadeInTime = time;
end
function FadingFrame_SetHoldTime(fadingFrame, time)
fadingFrame.holdTime = time;
end
function FadingFrame_SetFadeOutTime(fadingFrame, time)
fadingFrame.fadeOutTime = time;
end
function FadingFrame_OnLoad(fadingFrame)
assert(fadingFrame);
fadingFrame.fadeInTime = 0;
fadingFrame.holdTime = 0;
fadingFrame.fadeOutTime = 0;
fadingFrame:Hide();
end
function FadingFrame_Show(fadingFrame)
assert(fadingFrame);
fadingFrame.startTime = GetTime();
fadingFrame:Show();
end
function FadingFrame_OnUpdate(fadingFrame)
assert(fadingFrame);
local elapsed = GetTime() - fadingFrame.startTime;
local fadeInTime = fadingFrame.fadeInTime;
if ( elapsed < fadeInTime ) then
local alpha = (elapsed / fadeInTime);
fadingFrame:SetAlpha(alpha);
return;
end
local holdTime = fadingFrame.holdTime;
if ( elapsed < (fadeInTime + holdTime) ) then
fadingFrame:SetAlpha(1.0);
return;
end
local fadeOutTime = fadingFrame.fadeOutTime;
if ( elapsed < (fadeInTime + holdTime + fadeOutTime) ) then
local alpha = 1.0 - ((elapsed - holdTime - fadeInTime) / fadeOutTime);
fadingFrame:SetAlpha(alpha);
return;
end
fadingFrame:Hide();
end
function FadingFrame_GetRemainingTime(fadingFrame)
local elapsed = GetTime() - fadingFrame.startTime;
return (fadingFrame.holdTime + fadingFrame.fadeInTime + fadingFrame.fadeOutTime - elapsed);
end
function FadingFrame_CopyTimes(src, dest)
dest.fadeInTime = src.fadeInTime;
dest.holdTime = src.holdTime;
dest.fadeOutTime = src.fadeOutTime;
dest.startTime = src.startTime;
end
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