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drk · February 2, 2012

        --vehicle health 
            local vehHealth = getElementHealth(getPedOccupiedVehicle(localPlayer)) 
             if vehHealth then 
               local health = math.max(health - 250, 0)/750 
               local r = -510*(health^2) 
               local g,b = math.max(math.min(r+255*health+255,255),0), math.max(math.min(p+765*health,255),0) 
                dxDrawRectangle(screenWidth-587,screenHeight-63,screenWidth-726,screenHeight-587,math.floor(256-256*(health)),tocolor(g,b,0,getElementAlpha(vehHealth)),false) 
            end

Why don't appear anything in the screen? It is anything wrong?

JR10 · February 2, 2012

Where is screenWidth and screenHeight defined? You need to add dxDrawRectangle to onClientRender event.

The argument in getElementAlpha is wrong, supposed to be an element.

drk · February 2, 2012

Ah,

    local screenWidth, screenHeight = guiGetScreenSize()

and it is on onClientRender event. I will solve getElementAlpha problem .

JR10 · February 2, 2012

math.floor(256-256*(health))

What is that? 0*health, so it will always return zero.

drk · February 2, 2012

I've solved the problem but the bar not appear.

JR10 · February 2, 2012

Show your code now.

drk · February 2, 2012

function Spectate.Render() 
    local screenWidth, screenHeight = guiGetScreenSize() 
    if Spectate.Render == true then 
        --local TextWidth = dxGetTextWidth( string.gsub ( "Currently spectating:", '#%x%x%x%x%x%x', '' ), 0.55, "default-bold" ) 
        --dxDrawColorText( string.gsub ( "#60f8ffCurrently spectating:", '#%x%x%x%x%x%x', '#000000' ) , 1+screenWidth/2-TextWidth/2, 1+screenHeight-120, 1+screenWidth/2-TextWidth/2, 1+screenHeight-120, tocolor(0, 0, 0, 255), 0.55, "default-bold" ) 
        --dxDrawColorText( "#60f8ffCurrently spectating:" , screenWidth/2-TextWidth/2, screenHeight-120, screenWidth/2-TextWidth/2, screenHeight-120, tocolor(255, 255, 255, 255), 0.55, "default-bold" ) 
        if Spectate.TargetPlayer then 
            local r,g,b = 255,255,255 
            local team = getPlayerTeam(Spectate.TargetPlayer) 
            if team then 
                r,g,b = getTeamColor(team) 
            end 
            local TargetWidth = dxGetTextWidth( string.gsub ( _getPlayerName(Spectate.TargetPlayer), '#%x%x%x%x%x%x', '' ), 0.46, "bankgothic" ) 
            local TargetHeight = dxGetFontHeight( 0.55, "bankgothic" ) 
            dxDrawColorText( string.gsub ( _getPlayerName(Spectate.TargetPlayer), '#%x%x%x%x%x%x', '#000000' ) , 1+screenWidth/3.8-TargetWidth/6.25, 1+screenHeight-99+TargetHeight, 1+screenWidth/2-TargetWidth/2, 1+screenHeight-120+TargetHeight, tocolor(0, 0, 0, 255), 0.55, "bankgothic" ) 
            dxDrawColorText( _getPlayerName(Spectate.TargetPlayer) , screenWidth/3.8-TargetWidth/6.25, screenHeight-99+TargetHeight, screenWidth/2-TargetWidth/2, screenHeight-120+TargetHeight, tocolor(r, g, b, 255), 0.55, "bankgothic" ) 
        --vehicle health 
            local vehHealth = getElementHealth(getPedOccupiedVehicle(Spectate.TargetPlayer)) 
             if vehHealth then 
               local health = math.max(health - 250, 0)/750 
               local r = -510*(health^2) 
               local g,b = math.max(math.min(r+255*health+255,255),0), math.max(math.min(p+765*health,255),0) 
                dxDrawRectangle(screenWidth-587,screenHeight-63,screenWidth-726,screenHeight-587,math.floor(200*(health)),tocolor(g,b,0,getElementAlpha(Spectate.TargetPlayer)),false) 
            end 
        else 
            local NoOneWidth = dxGetTextWidth( string.gsub ( "No one to spectate", '#%x%x%x%x%x%x', '' ), 0.55, "bankgothic" ) 
            local NoOneHeight = dxGetFontHeight( 0.55, "bankgothic" ) 
            dxDrawColorText( string.gsub ( "#FFFFFFNo one to spectate", '#%x%x%x%x%x%x', '#000000' ), 1+screenWidth/4-NoOneWidth/6, 1+screenHeight-90+NoOneHeight, 1+screenWidth/2-NoOneWidth/2, 1+screenHeight-120+NoOneHeight, tocolor(0, 0, 0, 255), 0.55, "bankgothic" ) 
            dxDrawColorText( "#FFFFFFNo one to spectate", screenWidth/4-NoOneWidth/6, screenHeight-90+NoOneHeight, screenWidth/2-NoOneWidth/2, screenHeight-120+NoOneHeight, tocolor(255, 255, 255, 255), 0.55, "bankgothic" ) 
        end 
        if Spectate.active and Spectate.savePos then 
            --local JoinWidth = dxGetTextWidth( string.gsub ( "Press 'B' to join", '#%x%x%x%x%x%x', '' ), 0.55, "default-bold" ) 
            --local JoinHeight = dxGetFontHeight( 0.55, "default-bold" ) 
            --dxDrawColorText( string.gsub ("#FFFFFFPress #ffffff'B'#FFFFFF to join", '#%x%x%x%x%x%x', '' ), 1+screenWidth/4-JoinWidth/6, 1+screenHeight-90+JoinHeight*3, 1+screenWidth/2-JoinWidth/2, 1+screenHeight-120+JoinHeight*3, tocolor(0, 0, 0, 255), 0.55, "default-bold" ) 
            --dxDrawColorText( "#FFFFFFPress #ffffff'B'#60f8ff to join", screenWidth/4-JoinWidth/6, screenHeight-90+JoinHeight*3, screenWidth/2-JoinWidth/2, screenHeight-120+JoinHeight*3, tocolor(255, 255, 255, 255), 0.55, "default-bold" ) 
        end 
    end 
end 
addEventHandler("onClientRender", g_Root, Spectate.Render)

I get this error: "Cannot perform arithmetic on global 'health' ( a nil value )"

Castillo · February 2, 2012

function Spectate.Render() 
    local screenWidth, screenHeight = guiGetScreenSize() 
    if Spectate.Render == true then 
        --local TextWidth = dxGetTextWidth( string.gsub ( "Currently spectating:", '#%x%x%x%x%x%x', '' ), 0.55, "default-bold" ) 
        --dxDrawColorText( string.gsub ( "#60f8ffCurrently spectating:", '#%x%x%x%x%x%x', '#000000' ) , 1+screenWidth/2-TextWidth/2, 1+screenHeight-120, 1+screenWidth/2-TextWidth/2, 1+screenHeight-120, tocolor(0, 0, 0, 255), 0.55, "default-bold" ) 
        --dxDrawColorText( "#60f8ffCurrently spectating:" , screenWidth/2-TextWidth/2, screenHeight-120, screenWidth/2-TextWidth/2, screenHeight-120, tocolor(255, 255, 255, 255), 0.55, "default-bold" ) 
        if Spectate.TargetPlayer then 
            local r,g,b = 255,255,255 
            local team = getPlayerTeam(Spectate.TargetPlayer) 
            if team then 
                r,g,b = getTeamColor(team) 
            end 
            local TargetWidth = dxGetTextWidth( string.gsub ( _getPlayerName(Spectate.TargetPlayer), '#%x%x%x%x%x%x', '' ), 0.46, "bankgothic" ) 
            local TargetHeight = dxGetFontHeight( 0.55, "bankgothic" ) 
            dxDrawColorText( string.gsub ( _getPlayerName(Spectate.TargetPlayer), '#%x%x%x%x%x%x', '#000000' ) , 1+screenWidth/3.8-TargetWidth/6.25, 1+screenHeight-99+TargetHeight, 1+screenWidth/2-TargetWidth/2, 1+screenHeight-120+TargetHeight, tocolor(0, 0, 0, 255), 0.55, "bankgothic" ) 
            dxDrawColorText( _getPlayerName(Spectate.TargetPlayer) , screenWidth/3.8-TargetWidth/6.25, screenHeight-99+TargetHeight, screenWidth/2-TargetWidth/2, screenHeight-120+TargetHeight, tocolor(r, g, b, 255), 0.55, "bankgothic" ) 
        --vehicle health 
            local health = getElementHealth(getPedOccupiedVehicle(Spectate.TargetPlayer)) 
             if health then 
               local health = math.max(health - 250, 0)/750 
               local r = -510*(health^2) 
               local g,b = math.max(math.min(r+255*health+255,255),0), math.max(math.min(p+765*health,255),0) 
                dxDrawRectangle(screenWidth-587,screenHeight-63,screenWidth-726,screenHeight-587,math.floor(200*(health)),tocolor(g,b,0,getElementAlpha(Spectate.TargetPlayer)),false) 
            end 
        else 
            local NoOneWidth = dxGetTextWidth( string.gsub ( "No one to spectate", '#%x%x%x%x%x%x', '' ), 0.55, "bankgothic" ) 
            local NoOneHeight = dxGetFontHeight( 0.55, "bankgothic" ) 
            dxDrawColorText( string.gsub ( "#FFFFFFNo one to spectate", '#%x%x%x%x%x%x', '#000000' ), 1+screenWidth/4-NoOneWidth/6, 1+screenHeight-90+NoOneHeight, 1+screenWidth/2-NoOneWidth/2, 1+screenHeight-120+NoOneHeight, tocolor(0, 0, 0, 255), 0.55, "bankgothic" ) 
            dxDrawColorText( "#FFFFFFNo one to spectate", screenWidth/4-NoOneWidth/6, screenHeight-90+NoOneHeight, screenWidth/2-NoOneWidth/2, screenHeight-120+NoOneHeight, tocolor(255, 255, 255, 255), 0.55, "bankgothic" ) 
        end 
        if Spectate.active and Spectate.savePos then 
            --local JoinWidth = dxGetTextWidth( string.gsub ( "Press 'B' to join", '#%x%x%x%x%x%x', '' ), 0.55, "default-bold" ) 
            --local JoinHeight = dxGetFontHeight( 0.55, "default-bold" ) 
            --dxDrawColorText( string.gsub ("#FFFFFFPress #ffffff'B'#FFFFFF to join", '#%x%x%x%x%x%x', '' ), 1+screenWidth/4-JoinWidth/6, 1+screenHeight-90+JoinHeight*3, 1+screenWidth/2-JoinWidth/2, 1+screenHeight-120+JoinHeight*3, tocolor(0, 0, 0, 255), 0.55, "default-bold" ) 
            --dxDrawColorText( "#FFFFFFPress #ffffff'B'#60f8ff to join", screenWidth/4-JoinWidth/6, screenHeight-90+JoinHeight*3, screenWidth/2-JoinWidth/2, screenHeight-120+JoinHeight*3, tocolor(255, 255, 255, 255), 0.55, "default-bold" ) 
        end 
    end 
end 
addEventHandler("onClientRender", g_Root, Spectate.Render)

drk · February 3, 2012

Now I get no error but dx rectangle don't appear.

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