70 lines
1.7 KiB
Lua
70 lines
1.7 KiB
Lua
local self = {}
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local tooltipwidth = 0
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local tooltipx = 0
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local tooltipy = 0
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local tooltipopen = false
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local tooltiptext = ''
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local tooltiptargetwidth = 0
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local tooltipframe = false
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function self.update(dt)
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local mx, my = love.mouse.getPosition()
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tooltipx = mix(tooltipx, mx, dt * 18)
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tooltipy = mix(tooltipy, my, dt * 18)
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tooltipwidth = mix(tooltipwidth, tooltiptargetwidth, dt * 12)
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end
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function self.prerender()
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tooltipframe = false
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end
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function self.show(text)
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tooltipframe = true
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tooltiptext = text
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tooltiptargetwidth = love.graphics.newText(love.graphics.getFont(), text):getWidth()
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end
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local function softlimit(x, f)
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local sign = math.sign(x)
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return sign * (f - (1.027 ^ (-10 * math.abs(x))) * f)
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end
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function self.render()
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local mx, my = love.mouse.getPosition()
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if not tooltipframe then
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tooltiptargetwidth = 0
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end
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if tooltipwidth > 1 then
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local a = math.min((tooltipwidth - 1) / 6, 1)
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local x, y, w, h = mx + 8, my + 8, tooltipwidth + 4 + margin, fontHeight + margin
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local easiness = 3 -- hehe. magic numbers
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local sx, sy = (w - softlimit(mx - tooltipx, w/easiness)/easiness) / w, (h - softlimit(my - tooltipy, h/easiness)/easiness) / h
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love.graphics.push()
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love.graphics.translate(x, y)
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love.graphics.scale(sx, sy)
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love.graphics.setColor(0.2, 0.2, 0.3, a)
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love.graphics.rectangle('fill', 0, 0, w, h)
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love.graphics.setScissor(0, 0, math.max(mx + (tooltipwidth + 2 + margin/2 + 16) * sx, 0), love.graphics.getHeight())
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love.graphics.setColor(1, 1, 1, 1)
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love.graphics.print(tooltiptext, 2 + margin/2, 2 + margin/2)
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love.graphics.setScissor()
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love.graphics.pop()
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end
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end
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return self |