61 lines
1.7 KiB
Lua
61 lines
1.7 KiB
Lua
require("common.class")
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local dim = require("common.dimensions")
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local ServiceField = require("titlescreen.service.servicefield")
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---@class InputKnobField: ServiceField
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---@field knob integer
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local InputKnobField = {}
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function InputKnobField:new(o)
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o = Inherit(self, ServiceField, o)
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o.knob = o.knob or nil
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return o
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end
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function InputKnobField:activate() end
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function InputKnobField:focus() end
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function InputKnobField:deactivate() end
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function InputKnobField:drawValue(deltaTime)
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local knobAngle = game.GetKnob(self.knob)
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local valuePosX = dim.design.width / 2
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local sliderPosX = valuePosX + 64
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local sliderWidth = 256
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local sliderHeight = ServiceField.SERVICE_DEFAULT_FONT_SIZE
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local sliderBgColor = {255, 0, 0, 255}
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local sliderFrameColor = ServiceField.SERVICE_DEFAULT_FONT_COLOR
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local sliderFrameWidth = 1
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local maxValue = 1024
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self.value = math.floor(knobAngle * maxValue / (2 * math.pi)) % maxValue
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--self.value = knobAngle
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--draw value
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gfx.BeginPath()
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gfx.Text(self.value, valuePosX, 0)
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--draw slider
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gfx.BeginPath()
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gfx.Rect(sliderPosX, 0, sliderWidth, sliderHeight)
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gfx.FillColor(table.unpack(sliderBgColor))
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gfx.StrokeColor(table.unpack(sliderFrameColor))
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gfx.StrokeWidth(sliderFrameWidth)
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gfx.Fill()
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gfx.Stroke()
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local sliderIndicatorX = sliderPosX + self.value * sliderWidth / maxValue
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local sliderIndicatorWidth = 4
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local sliderIndicatorColor = {0, 255, 0, 255}
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--draw indicator
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gfx.BeginPath()
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gfx.Rect(sliderIndicatorX, sliderFrameWidth, sliderIndicatorWidth, sliderHeight - 2 * sliderFrameWidth)
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gfx.FillColor(table.unpack(sliderIndicatorColor))
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gfx.Fill()
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end
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return InputKnobField |