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113 lines
2.9 KiB
113 lines
2.9 KiB
local MIN_SIZE = 48;
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local sin = math.sin;
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local pi = math.pi;
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local sqrt = math.sqrt;
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local function outSine(t, b, e, d)
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return (e - b) * sin(t / d * (pi / 2)) + b
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end
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local function AnimateSize_OnUpdate(self, elapsed)
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self.t = self.t + elapsed;
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local w, h;
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if self.t > self.duration then
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w, h = self.toW, self.toH;
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self.t = nil;
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self.fromW = nil;
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self.toW = nil;
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self.fromH = nil;
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self.toH = nil;
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self.t = nil;
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self:Hide();
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else
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w = outSine(self.t, self.fromW, self.toW, self.duration);
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h = outSine(self.t, self.fromH, self.toH, self.duration);
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end
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self.parentFrame:SetFrameSize(w, h);
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end
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local function CalculateDurationByDistance(w1, h1, w2, h2)
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local d = sqrt( (w1 - w2)^2 + (h1 - h2)^2 )/200
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if d > 0.4 then
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d = 0.4;
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end
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return d
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end
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NarciAnimatedSizingFrameMixin = {};
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function NarciAnimatedSizingFrameMixin:OnLoad()
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end
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function NarciAnimatedSizingFrameMixin:SetFrameSize(width, height)
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if width < 32 then
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self.Top:Hide();
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self.Bottom:Hide();
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width = 32;
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else
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self.Top:SetWidth(width - 32);
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self.Bottom:SetWidth(width - 32);
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self.Top:Show();
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self.Bottom:Show();
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end
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if height < 32 then
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self.Left:Hide();
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self.Right:Hide();
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height = 32;
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else
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self.Left:SetHeight(height - 32);
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self.Right:SetHeight(height - 32);
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self.Left:Show();
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self.Right:Show();
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end
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self:SetSize(width, height);
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end
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function NarciAnimatedSizingFrameMixin:AnimateSize(width, height, fixedDuration)
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local d = self.Driver;
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if not d then
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d = CreateFrame("Frame", nil, self);
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d.parentFrame = self;
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self.Driver = d;
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d:Hide();
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d:SetScript("OnUpdate", AnimateSize_OnUpdate);
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end
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if self.maxHeight then
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if height > self.maxHeight then
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height = self.maxHeight;
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end
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end
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if self.maxWidth then
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if width > self.maxWidth then
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width = self.maxWidth;
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end
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end
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d.fromW, d.fromH = self:GetSize();
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d.toW, d.toH = width, height;
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d.t = 0;
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local isInstant = (fixedDuration and fixedDuration <= 0) or (not self:IsVisible());
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if isInstant then
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d:Hide();
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self:SetFrameSize(width, height);
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else
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d.duration = fixedDuration or CalculateDurationByDistance(d.fromW, d.fromH, width, height);
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d:Show();
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end
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end
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function NarciAnimatedSizingFrameMixin:SetBorderColor(r, g, b, alpha)
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for _, tex in pairs(self.BorderTextures) do
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tex:SetVertexColor(r, g, b, alpha or 1);
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end
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end
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function NarciAnimatedSizingFrameMixin:SetBackdropColor(r, g, b, alpha)
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self.Backdrop:SetColorTexture(r, g, b, alpha or 1);
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end
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