MTA Fix Circle Radar for CCD, userful function circle radar

-- Author: XaskeL
-- Fix for circle radar. From RCCDPlanet.

local function findRotation(x1,y1,x2,y2)
    local t = -math.deg(math.atan2(x2-x1,y2-y1))
    if t < 0 then t = t + 360 end
    return t
end

local function getDistanceRotation(x, y, dist, angle)
    local a = math.rad(90 - angle)
    local dx = math.cos(a) * dist
    local dy = math.sin(a) * dist
    return x+dx, y+dy
end

function repairCoordinates(blipPosX, blipPosY, blip)
    local radius = 130
    local newX,newY = blipPosX, blipPosY
    local angle = -findRotation(0, 0, blipPosX, blipPosY)
    local px,py = getDistanceRotation(radar.center.x, radar.center.y, radius, angle)
    local distx = getDistanceBetweenPoints2D(blipPosX, blipPosY, 0, 0)
    if distx > radius then
        newX = px - radar.center.x
        newY = py - radar.center.y
    end
    return newX,newY
end