bhupur.lua

local lg = love.graphics

local bhupur = {
    color = {0.1, 0.1, 0.1}
}

function bhupur.draw(x, y, w)
    -- width - size in pixels of square in center on bhupur
    -- neck - percentage value(0-1) of yantrawidth
    -- foot - percentage value(0-1) of yantrawidth
    -- height - size in pixels on bhupur
    local height = 30
    local foot = 0.8 * w
    local neck = 0.5 * w
    local stair = math.abs((w - neck - foot) / 2)
    local tmp = (w - neck) / 2

    local topw = w * 0.6
    local paramw = 80
    local points = {
        x, y,
        x + tmp, y,
        x + tmp, y - height / 2,
        x + tmp - stair, y - height / 2, --
        x + tmp - stair, y - height,
        x + tmp - stair + foot, y - height, --
        x + tmp - stair + foot, y - height / 2,
        x + tmp - stair * 2 + foot, y - height / 2,
        x + tmp - stair * 2 + foot, y,
        x + w, y,
    }
    local old = pack(lg.getColor())
    lg.setColor(bhupur.color)
    lg.setLineWidth(2)

    lg.line(points)

    local xcenter = x + w / 2
    local ycenter = y + w / 2

    lg.translate(xcenter, y)
    lg.rotate(math.pi / 1)
    lg.translate(-xcenter, -y - w)
    lg.line(points)
    lg.origin()
    
    lg.translate(xcenter, y)
    lg.rotate(math.pi + math.pi / 2)
    lg.translate(-xcenter - w / 2, -y - w / 2)
    lg.line(points)
    lg.origin()
    
    lg.translate(xcenter, y / 1)
    lg.rotate(math.pi - math.pi / 2)
    lg.translate(-xcenter + w / 2, -y - w / 2)
    lg.line(points)
    lg.origin()

    lg.setColor(old)
    lg.setLineWidth(1)
    
    local function centralAxis()
        local scrw, scrh = lg.getDimensions()
        lg.setColor({100, 100, 100})
        lg.line(scrw / 2, 0, scrw / 2, scrh)
        lg.line(0, scrh / 2, scrw, scrh / 2)
    end

    --centralAxis()
end

return bhupur