How to add radar areas on the custom radar script?

Spectre Official · January 29, 2023

My radar source is there; but radar areas, which is created with (createRadarArea) function, is not visible on the radar. How can I add it?

local enableBlips = true
local renderNorthBlip = true
local alwaysRenderMap = false

local worldW, worldH = 1800,1800
local blip = 8
 
local sx, sy = guiGetScreenSize()
local rt = dxCreateRenderTarget(290,175)
local xFactor, yFactor = sx/1366,sy/768
local yFactor = xFactor
 
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
 
function getPointFromDistanceRotation(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 RADAR()
        --Radar config
        setPlayerHudComponentVisible("area_name", false)
        setPlayerHudComponentVisible("vehicle_name", false)
        setPlayerHudComponentVisible("radar", false)
        local mW, mH = dxGetMaterialSize(rt)
        local x, y = getElementPosition(localPlayer)
        local X, Y = mW/2 -(x/(6000/worldW)), mH/2 +(y/(6000/worldH))
        local camX,camY,camZ = getElementRotation(getCamera())
        dxSetRenderTarget(rt, true)
        if alwaysRenderMap or getElementInterior(localPlayer) == 0 then
        dxDrawRectangle(0, 0, mW, mH, 0xFF7CA7D1)
        dxDrawImage(X - worldW/2, mH/5 + (Y - worldH/2), worldW, worldH, "gfx/world.png", camZ, (x/(6000/worldW)), -(y/(6000/worldH)))
        --
        dxSetRenderTarget()
        dxDrawImage((18)*xFactor, sy-((216))*yFactor, (293)*xFactor, (177)*yFactor, "gfx/radarbg.png", 0, 0, 0, tocolor(0, 0, 0, 180))
        dxDrawImage((30+5)*xFactor, sy-((200+5))*yFactor, (270-10)*xFactor, (155)*yFactor, rt, 0, 0, 0, tocolor(255, 255, 255, 80))
        --# Blips
        local rx, ry, rz = getElementRotation(localPlayer)
        local lB = (33)*xFactor
        local rB = (8+290)*xFactor
        local tB = sy-(208)*yFactor
        local bB = tB + (155)*yFactor
        local cX, cY = (rB+lB)/2, (tB+bB)/2 +(35)*yFactor
        local toLeft, toTop, toRight, toBottom = cX-lB, cY-tB, rB-cX, bB-cY
        for k, v in ipairs(getElementsByType("blip")) do
            local bx, by = getElementPosition(v)
            local actualDist = getDistanceBetweenPoints2D(x, y, bx, by)
            local maxDist = getBlipVisibleDistance(v)
            if actualDist <= maxDist and getElementDimension(v)==getElementDimension(localPlayer) and getElementInterior(v)==getElementInterior(localPlayer) then
                local dist = actualDist/(6000/((worldW+worldH)/2))
                local rot = findRotation(bx, by, x, y)-camZ
                local bpx, bpy = getPointFromDistanceRotation(cX, cY, math.min(dist, math.sqrt(toTop^2 + toRight^2)), rot)
                local bpx = math.max(lB, math.min(rB, bpx))
                local bpy = math.max(tB, math.min(bB, bpy))
                local bid = getElementData(v, "customIcon") or getBlipIcon(v)
                local _, _, _, bcA = getBlipColor(v)
                local bcR, bcG, bcB = 255, 255, 255
                if getBlipIcon(v) == 0 then
                    bcR, bcG, bcB = getBlipColor(v)
                end
                local bS = getBlipSize(v)
                dxDrawImage(bpx -(blip*bS)*xFactor/2, bpy -(blip*bS)*yFactor/2, (blip*bS)*xFactor, (blip*bS)*yFactor, "gfx/blip/"..bid..".png", 0, 0, 0, tocolor(bcR, bcG, bcB, bcA))
            end
        end
        if renderNorthBlip then
            local rot = -camZ+180
            local bpx, bpy = getPointFromDistanceRotation(cX, cY, math.sqrt(toTop^2 + toRight^2), rot)
            local bpx = math.max(lB, math.min(rB, bpx))
            local bpy = math.max(tB, math.min(bB, bpy))
            local dist = getDistanceBetweenPoints2D(cX, cY, bpx, bpy)
            local bpx, bpy = getPointFromDistanceRotation(cX, cY, dist, rot)
            if bpx and bpy then
            local bpx = math.max(lB, math.min(rB, bpx))
            local bpy = math.max(tB, math.min(bB, bpy))
            dxDrawImage(bpx -(blip*2)/2,bpy -(blip*2)/2,blip*2,blip*2,"gfx/blip/4.png",0,0,0)
            end
        end
        dxDrawImage(cX -(blip*2)*xFactor/2,cY -(blip*2)*yFactor/2,(blip*2)*xFactor,(blip*2)*yFactor, "gfx/player.png", camZ-rz, 0, 0)
    end
end
addEventHandler("onClientRender", root, RADAR)
 
function Visible()
    if isVisible then
        addEventHandler("onClientRender", root, RADAR)
    else
        removeEventHandler("onClientRender", root, RADAR)
    end
    isVisible = not isVisible
end
bindKey ("F11", "down", Visible)

Edited January 29, 2023 by Vinyard
code formatting

Vinyard · January 29, 2023

Moving this to the scripting section.

Trust aka Tiffergan · January 29, 2023

6 hours ago, Spectre7660 said:

My radar source is there; but radar areas, which is created with (createRadarArea) function, is not visible on the radar. How can I add it?

local enableBlips = true
local renderNorthBlip = true
local alwaysRenderMap = false

local worldW, worldH = 1800,1800
local blip = 8
 
local sx, sy = guiGetScreenSize()
local rt = dxCreateRenderTarget(290,175)
local xFactor, yFactor = sx/1366,sy/768
local yFactor = xFactor
 
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
 
function getPointFromDistanceRotation(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 RADAR()
        --Radar config
        setPlayerHudComponentVisible("area_name", false)
        setPlayerHudComponentVisible("vehicle_name", false)
        setPlayerHudComponentVisible("radar", false)
        local mW, mH = dxGetMaterialSize(rt)
        local x, y = getElementPosition(localPlayer)
        local X, Y = mW/2 -(x/(6000/worldW)), mH/2 +(y/(6000/worldH))
        local camX,camY,camZ = getElementRotation(getCamera())
        dxSetRenderTarget(rt, true)
        if alwaysRenderMap or getElementInterior(localPlayer) == 0 then
        dxDrawRectangle(0, 0, mW, mH, 0xFF7CA7D1)
        dxDrawImage(X - worldW/2, mH/5 + (Y - worldH/2), worldW, worldH, "gfx/world.png", camZ, (x/(6000/worldW)), -(y/(6000/worldH)))
        --
        dxSetRenderTarget()
        dxDrawImage((18)*xFactor, sy-((216))*yFactor, (293)*xFactor, (177)*yFactor, "gfx/radarbg.png", 0, 0, 0, tocolor(0, 0, 0, 180))
        dxDrawImage((30+5)*xFactor, sy-((200+5))*yFactor, (270-10)*xFactor, (155)*yFactor, rt, 0, 0, 0, tocolor(255, 255, 255, 80))
        --# Blips
        local rx, ry, rz = getElementRotation(localPlayer)
        local lB = (33)*xFactor
        local rB = (8+290)*xFactor
        local tB = sy-(208)*yFactor
        local bB = tB + (155)*yFactor
        local cX, cY = (rB+lB)/2, (tB+bB)/2 +(35)*yFactor
        local toLeft, toTop, toRight, toBottom = cX-lB, cY-tB, rB-cX, bB-cY
        for k, v in ipairs(getElementsByType("blip")) do
            local bx, by = getElementPosition(v)
            local actualDist = getDistanceBetweenPoints2D(x, y, bx, by)
            local maxDist = getBlipVisibleDistance(v)
            if actualDist <= maxDist and getElementDimension(v)==getElementDimension(localPlayer) and getElementInterior(v)==getElementInterior(localPlayer) then
                local dist = actualDist/(6000/((worldW+worldH)/2))
                local rot = findRotation(bx, by, x, y)-camZ
                local bpx, bpy = getPointFromDistanceRotation(cX, cY, math.min(dist, math.sqrt(toTop^2 + toRight^2)), rot)
                local bpx = math.max(lB, math.min(rB, bpx))
                local bpy = math.max(tB, math.min(bB, bpy))
                local bid = getElementData(v, "customIcon") or getBlipIcon(v)
                local _, _, _, bcA = getBlipColor(v)
                local bcR, bcG, bcB = 255, 255, 255
                if getBlipIcon(v) == 0 then
                    bcR, bcG, bcB = getBlipColor(v)
                end
                local bS = getBlipSize(v)
                dxDrawImage(bpx -(blip*bS)*xFactor/2, bpy -(blip*bS)*yFactor/2, (blip*bS)*xFactor, (blip*bS)*yFactor, "gfx/blip/"..bid..".png", 0, 0, 0, tocolor(bcR, bcG, bcB, bcA))
            end
        end
        if renderNorthBlip then
            local rot = -camZ+180
            local bpx, bpy = getPointFromDistanceRotation(cX, cY, math.sqrt(toTop^2 + toRight^2), rot)
            local bpx = math.max(lB, math.min(rB, bpx))
            local bpy = math.max(tB, math.min(bB, bpy))
            local dist = getDistanceBetweenPoints2D(cX, cY, bpx, bpy)
            local bpx, bpy = getPointFromDistanceRotation(cX, cY, dist, rot)
            if bpx and bpy then
            local bpx = math.max(lB, math.min(rB, bpx))
            local bpy = math.max(tB, math.min(bB, bpy))
            dxDrawImage(bpx -(blip*2)/2,bpy -(blip*2)/2,blip*2,blip*2,"gfx/blip/4.png",0,0,0)
            end
        end
        dxDrawImage(cX -(blip*2)*xFactor/2,cY -(blip*2)*yFactor/2,(blip*2)*xFactor,(blip*2)*yFactor, "gfx/player.png", camZ-rz, 0, 0)
    end
end
addEventHandler("onClientRender", root, RADAR)
 
function Visible()
    if isVisible then
        addEventHandler("onClientRender", root, RADAR)
    else
        removeEventHandler("onClientRender", root, RADAR)
    end
    isVisible = not isVisible
end
bindKey ("F11", "down", Visible)

It looks like you are using the function createRadarArea to create a radar area, but it is not appearing on your radar. To make sure that the radar area is visible, you will need to make sure that it is being added to the element list that you are iterating through in the for loop starting on the following line:

for k, v in ipairs(getElementsByType("blip")) do

You will want to change this to include radar areas as well, for example:

for k, v in ipairs(getElementsByType("blip", "radararea")) do

This will ensure that the radar areas created with createRadarArea function are included in the list of elements being drawn on the radar.

Spectre Official · February 2, 2023

On 30/01/2023 at 01:34, Trust aka Tiffergan said:
It looks like you are using the function createRadarArea to create a radar area, but it is not appearing on your radar. To make sure that the radar area is visible, you will need to make sure that it is being added to the element list that you are iterating through in the for loop starting on the following line:
for k, v in ipairs(getElementsByType("blip")) do
You will want to change this to include radar areas as well, for example:
for k, v in ipairs(getElementsByType("blip", "radararea")) do
This will ensure that the radar areas created with createRadarArea function are included in the list of elements being drawn on the radar.

Thanks for that, but how do I draw the radararea elements on the radar?

Trust aka Tiffergan · February 2, 2023

If the radar area created with the createRadarArea function is not visible, you may need to add it to the rendering process. To do this, you can modify the RADAR function that draws the radar on the screen and add code to draw the radar area.

You can use the dxDrawMaterialLine3D function to draw the shape of the radar area on the radar. You will need to provide the position and size of the radar area, as well as the rotation angle, which can be obtained from the getElementRotation function.

-- ...
--# Blips
local radarAreas = getElementsByType("radararea")
for k, v in ipairs(radarAreas) do
  local x1, y1, z1, x2, y2, z2 = getRadarAreaSize(v)
  local minX, minY, minZ = math.min(x1, x2), math.min(y1, y2), math.min(z1, z2)
  local maxX, maxY, maxZ = math.max(x1, x2), math.max(y1, y2), math.max(z1, z2)
  local width, height, depth = maxX - minX, maxY - minY, maxZ - minZ
  local cx, cy, cz = (minX + maxX) / 2, (minY + maxY) / 2, (minZ + maxZ) / 2
  local rot = getElementRotation(v)
  dxDrawMaterialLine3D(cx - width / 2, cy - height / 2, cz, cx + width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx + width / 2, cy - height / 2, cz, cx + width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx + width / 2, cy + height / 2, cz, cx - width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx - width / 2, cy + height / 2, cz, cx - width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
end
-- ...

This code will render the outline of each radar area in red color on the radar. You can modify the color and thickness of the lines as needed.

Spectre Official · February 2, 2023

46 minutes ago, Trust aka Tiffergan said:

If the radar area created with the createRadarArea function is not visible, you may need to add it to the rendering process. To do this, you can modify the RADAR function that draws the radar on the screen and add code to draw the radar area.

You can use the dxDrawMaterialLine3D function to draw the shape of the radar area on the radar. You will need to provide the position and size of the radar area, as well as the rotation angle, which can be obtained from the getElementRotation function.

-- ...
--# Blips
local radarAreas = getElementsByType("radararea")
for k, v in ipairs(radarAreas) do
  local x1, y1, z1, x2, y2, z2 = getRadarAreaSize(v)
  local minX, minY, minZ = math.min(x1, x2), math.min(y1, y2), math.min(z1, z2)
  local maxX, maxY, maxZ = math.max(x1, x2), math.max(y1, y2), math.max(z1, z2)
  local width, height, depth = maxX - minX, maxY - minY, maxZ - minZ
  local cx, cy, cz = (minX + maxX) / 2, (minY + maxY) / 2, (minZ + maxZ) / 2
  local rot = getElementRotation(v)
  dxDrawMaterialLine3D(cx - width / 2, cy - height / 2, cz, cx + width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx + width / 2, cy - height / 2, cz, cx + width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx + width / 2, cy + height / 2, cz, cx - width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx - width / 2, cy + height / 2, cz, cx - width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
end
-- ...

This code will render the outline of each radar area in red color on the radar. You can modify the color and thickness of the lines as needed.

line78: bad argument #2 to 'min' (number expected, got nil)

I have to throw such errors because I have no coding knowledge, sorry.

Spectre Official · February 8, 2023

On 02/02/2023 at 19:23, Trust aka Tiffergan said:

If the radar area created with the createRadarArea function is not visible, you may need to add it to the rendering process. To do this, you can modify the RADAR function that draws the radar on the screen and add code to draw the radar area.

You can use the dxDrawMaterialLine3D function to draw the shape of the radar area on the radar. You will need to provide the position and size of the radar area, as well as the rotation angle, which can be obtained from the getElementRotation function.

-- ...
--# Blips
local radarAreas = getElementsByType("radararea")
for k, v in ipairs(radarAreas) do
  local x1, y1, z1, x2, y2, z2 = getRadarAreaSize(v)
  local minX, minY, minZ = math.min(x1, x2), math.min(y1, y2), math.min(z1, z2)
  local maxX, maxY, maxZ = math.max(x1, x2), math.max(y1, y2), math.max(z1, z2)
  local width, height, depth = maxX - minX, maxY - minY, maxZ - minZ
  local cx, cy, cz = (minX + maxX) / 2, (minY + maxY) / 2, (minZ + maxZ) / 2
  local rot = getElementRotation(v)
  dxDrawMaterialLine3D(cx - width / 2, cy - height / 2, cz, cx + width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx + width / 2, cy - height / 2, cz, cx + width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx + width / 2, cy + height / 2, cz, cx - width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
  dxDrawMaterialLine3D(cx - width / 2, cy + height / 2, cz, cx - width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
end
-- ...

This code will render the outline of each radar area in red color on the radar. You can modify the color and thickness of the lines as needed.

line78: bad argument #2 to 'min' (number expected, got nil)

I have to throw such errors because I have no coding knowledge, sorry.

FLUSHBICEPS · February 8, 2023

-- ...

--# Blips
local radarAreas = getElementsByType("radararea")
for k, v in ipairs(radarAreas) do
-- Get the size of the radar area
local x1, y1, z1, x2, y2, z2 = getRadarAreaSize(v)

-- Ensure that x1, y1, z1, x2, y2, z2 are all numbers
if type(x1) == "number" and type(y1) == "number" and type(z1) == "number" and
type(x2) == "number" and type(y2) == "number" and type(z2) == "number" then


-- Calculate the minimum and maximum values for x, y, z
local minX, minY, minZ = math.min(x1, x2), math.min(y1, y2), math.min(z1, z2)
local maxX, maxY, maxZ = math.max(x1, x2), math.max(y1, y2), math.max(z1, z2)

-- Calculate the width, height, and depth
local width, height, depth = maxX - minX, maxY - minY, maxZ - minZ

-- Calculate the center x, y, and z values
local cx, cy, cz = (minX + maxX) / 2, (minY + maxY) / 2, (minZ + maxZ) / 2

-- Get the rotation of the radar area
local rot = getElementRotation(v)

-- Draw the lines for the radar area
dxDrawMaterialLine3D(cx - width / 2, cy - height / 2, cz, cx + width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
dxDrawMaterialLine3D(cx + width / 2, cy - height / 2, cz, cx + width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
dxDrawMaterialLine3D(cx + width / 2, cy + height / 2, cz, cx - width / 2, cy + height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
dxDrawMaterialLine3D(cx - width / 2, cy + height / 2, cz, cx - width / 2, cy - height / 2, cz, rt, 2, tocolor(255, 0, 0), cx, cy, cz, rot)
end
end

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How to add radar areas on the custom radar script?

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