Type 'UIImage' has no member 'radialGradientImage'












0















I'm trying to use a color gradient for the background of a scene in my sprite kit game. So it looks similar to this:



enter image description here



I need help solving the following error:




Type 'UIImage' has no member 'radialGradientImage'




The code:



import UIKit

import SpriteKit

import StoreKit

import GameKit

import AVFoundation

import SpriteKit.SKTexture



class Start: SKScene {

    let color1 = UIColor(red: 255/255, green: 153/255, blue: 102/255, alpha: 1)

    let color2 = UIColor(red: 255/255, green: 204/255, blue: 153/255, alpha: 1)



    //Error ->

    let backgroundImg = UIImage.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)



    //



    let backgroundTexture = SKTexture(image: backgroundImg)

    let background = SKSpriteNode(texture: backgroundTexture)



    override func didMove(to view: SKView) {

        //Background

        background.position = CGPoint(x: self.size.width/2, y: self.size.height/2)

        addChild(background)

    }



    static func radialGradientImage(size: CGSize, outerColor: UIColor, innerColor: UIColor) -> UIImage

    {

        let colorSpace = CGColorSpaceCreateDeviceRGB()

        let gradient = CGGradient(colorsSpace: colorSpace, colors: [outerColor.cgColor, innerColor.cgColor] as CFArray, locations: [1.0, 0.0])

        let center = CGPoint(x: size.width / 2.0, y: size.height / 2.0)



        UIGraphicsBeginImageContextWithOptions(size, false, UIScreen.main.scale)

        let imageContext = UIGraphicsGetCurrentContext()



        imageContext!.drawRadialGradient(gradient!, startCenter: center, startRadius: 0.0, endCenter: center, endRadius: size.width / 2.0, options: CGGradientDrawingOptions.drawsAfterEndLocation)



        let image = UIGraphicsGetImageFromCurrentImageContext()

        UIGraphicsEndImageContext()



        return image!

    }

}





ios swift sprite-kit gradient radial-gradients







share|improve this question

























  • stackoverflow.com/questions/24380535/…

    – Leo Dabus
    Nov 25 '18 at 16:08











  • But I have a SKScene @LeoDabus

    – Joy Lucas
    Nov 25 '18 at 16:15
















0















I'm trying to use a color gradient for the background of a scene in my sprite kit game. So it looks similar to this:



enter image description here



I need help solving the following error:




Type 'UIImage' has no member 'radialGradientImage'




The code:



import UIKit

import SpriteKit

import StoreKit

import GameKit

import AVFoundation

import SpriteKit.SKTexture



class Start: SKScene {

    let color1 = UIColor(red: 255/255, green: 153/255, blue: 102/255, alpha: 1)

    let color2 = UIColor(red: 255/255, green: 204/255, blue: 153/255, alpha: 1)



    //Error ->

    let backgroundImg = UIImage.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)



    //



    let backgroundTexture = SKTexture(image: backgroundImg)

    let background = SKSpriteNode(texture: backgroundTexture)



    override func didMove(to view: SKView) {

        //Background

        background.position = CGPoint(x: self.size.width/2, y: self.size.height/2)

        addChild(background)

    }



    static func radialGradientImage(size: CGSize, outerColor: UIColor, innerColor: UIColor) -> UIImage

    {

        let colorSpace = CGColorSpaceCreateDeviceRGB()

        let gradient = CGGradient(colorsSpace: colorSpace, colors: [outerColor.cgColor, innerColor.cgColor] as CFArray, locations: [1.0, 0.0])

        let center = CGPoint(x: size.width / 2.0, y: size.height / 2.0)



        UIGraphicsBeginImageContextWithOptions(size, false, UIScreen.main.scale)

        let imageContext = UIGraphicsGetCurrentContext()



        imageContext!.drawRadialGradient(gradient!, startCenter: center, startRadius: 0.0, endCenter: center, endRadius: size.width / 2.0, options: CGGradientDrawingOptions.drawsAfterEndLocation)



        let image = UIGraphicsGetImageFromCurrentImageContext()

        UIGraphicsEndImageContext()



        return image!

    }

}





ios swift sprite-kit gradient radial-gradients







share|improve this question

























  • stackoverflow.com/questions/24380535/…

    – Leo Dabus
    Nov 25 '18 at 16:08











  • But I have a SKScene @LeoDabus

    – Joy Lucas
    Nov 25 '18 at 16:15














0












0








0








I'm trying to use a color gradient for the background of a scene in my sprite kit game. So it looks similar to this:



enter image description here



I need help solving the following error:




Type 'UIImage' has no member 'radialGradientImage'




The code:



import UIKit

import SpriteKit

import StoreKit

import GameKit

import AVFoundation

import SpriteKit.SKTexture



class Start: SKScene {

    let color1 = UIColor(red: 255/255, green: 153/255, blue: 102/255, alpha: 1)

    let color2 = UIColor(red: 255/255, green: 204/255, blue: 153/255, alpha: 1)



    //Error ->

    let backgroundImg = UIImage.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)



    //



    let backgroundTexture = SKTexture(image: backgroundImg)

    let background = SKSpriteNode(texture: backgroundTexture)



    override func didMove(to view: SKView) {

        //Background

        background.position = CGPoint(x: self.size.width/2, y: self.size.height/2)

        addChild(background)

    }



    static func radialGradientImage(size: CGSize, outerColor: UIColor, innerColor: UIColor) -> UIImage

    {

        let colorSpace = CGColorSpaceCreateDeviceRGB()

        let gradient = CGGradient(colorsSpace: colorSpace, colors: [outerColor.cgColor, innerColor.cgColor] as CFArray, locations: [1.0, 0.0])

        let center = CGPoint(x: size.width / 2.0, y: size.height / 2.0)



        UIGraphicsBeginImageContextWithOptions(size, false, UIScreen.main.scale)

        let imageContext = UIGraphicsGetCurrentContext()



        imageContext!.drawRadialGradient(gradient!, startCenter: center, startRadius: 0.0, endCenter: center, endRadius: size.width / 2.0, options: CGGradientDrawingOptions.drawsAfterEndLocation)



        let image = UIGraphicsGetImageFromCurrentImageContext()

        UIGraphicsEndImageContext()



        return image!

    }

}





ios swift sprite-kit gradient radial-gradients







share|improve this question
















I'm trying to use a color gradient for the background of a scene in my sprite kit game. So it looks similar to this:



enter image description here



I need help solving the following error:




Type 'UIImage' has no member 'radialGradientImage'




The code:



import UIKit

import SpriteKit

import StoreKit

import GameKit

import AVFoundation

import SpriteKit.SKTexture



class Start: SKScene {

    let color1 = UIColor(red: 255/255, green: 153/255, blue: 102/255, alpha: 1)

    let color2 = UIColor(red: 255/255, green: 204/255, blue: 153/255, alpha: 1)



    //Error ->

    let backgroundImg = UIImage.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)



    //



    let backgroundTexture = SKTexture(image: backgroundImg)

    let background = SKSpriteNode(texture: backgroundTexture)



    override func didMove(to view: SKView) {

        //Background

        background.position = CGPoint(x: self.size.width/2, y: self.size.height/2)

        addChild(background)

    }



    static func radialGradientImage(size: CGSize, outerColor: UIColor, innerColor: UIColor) -> UIImage

    {

        let colorSpace = CGColorSpaceCreateDeviceRGB()

        let gradient = CGGradient(colorsSpace: colorSpace, colors: [outerColor.cgColor, innerColor.cgColor] as CFArray, locations: [1.0, 0.0])

        let center = CGPoint(x: size.width / 2.0, y: size.height / 2.0)



        UIGraphicsBeginImageContextWithOptions(size, false, UIScreen.main.scale)

        let imageContext = UIGraphicsGetCurrentContext()



        imageContext!.drawRadialGradient(gradient!, startCenter: center, startRadius: 0.0, endCenter: center, endRadius: size.width / 2.0, options: CGGradientDrawingOptions.drawsAfterEndLocation)



        let image = UIGraphicsGetImageFromCurrentImageContext()

        UIGraphicsEndImageContext()



        return image!

    }

}





ios swift sprite-kit gradient radial-gradients




ios swift sprite-kit gradient radial-gradients






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 25 '18 at 15:48









rmaddy

245k27324388




245k27324388










asked Nov 25 '18 at 15:17









Joy LucasJoy Lucas

115




115













  • stackoverflow.com/questions/24380535/…

    – Leo Dabus
    Nov 25 '18 at 16:08











  • But I have a SKScene @LeoDabus

    – Joy Lucas
    Nov 25 '18 at 16:15



















  • stackoverflow.com/questions/24380535/…

    – Leo Dabus
    Nov 25 '18 at 16:08











  • But I have a SKScene @LeoDabus

    – Joy Lucas
    Nov 25 '18 at 16:15

















stackoverflow.com/questions/24380535/…

– Leo Dabus
Nov 25 '18 at 16:08





stackoverflow.com/questions/24380535/…

– Leo Dabus
Nov 25 '18 at 16:08













But I have a SKScene @LeoDabus

– Joy Lucas
Nov 25 '18 at 16:15





But I have a SKScene @LeoDabus

– Joy Lucas
Nov 25 '18 at 16:15












1 Answer
1






active

oldest

votes


















0














radialGradientImage is a static method of your Start class, not the UIImage class.



You want:



let backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)


But that is going to fail with more errors because you can't access frame, color1, or color2 there.



You need to change let to lazy var:



lazy var backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)





share|improve this answer
























  • Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

    – Joy Lucas
    Nov 25 '18 at 15:44











  • That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

    – rmaddy
    Nov 25 '18 at 15:46











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1 Answer
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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









0














radialGradientImage is a static method of your Start class, not the UIImage class.



You want:



let backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)


But that is going to fail with more errors because you can't access frame, color1, or color2 there.



You need to change let to lazy var:



lazy var backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)





share|improve this answer
























  • Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

    – Joy Lucas
    Nov 25 '18 at 15:44











  • That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

    – rmaddy
    Nov 25 '18 at 15:46
















0














radialGradientImage is a static method of your Start class, not the UIImage class.



You want:



let backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)


But that is going to fail with more errors because you can't access frame, color1, or color2 there.



You need to change let to lazy var:



lazy var backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)





share|improve this answer
























  • Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

    – Joy Lucas
    Nov 25 '18 at 15:44











  • That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

    – rmaddy
    Nov 25 '18 at 15:46














0












0








0







radialGradientImage is a static method of your Start class, not the UIImage class.



You want:



let backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)


But that is going to fail with more errors because you can't access frame, color1, or color2 there.



You need to change let to lazy var:



lazy var backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)





share|improve this answer













radialGradientImage is a static method of your Start class, not the UIImage class.



You want:



let backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)


But that is going to fail with more errors because you can't access frame, color1, or color2 there.



You need to change let to lazy var:



lazy var backgroundImg = Start.radialGradientImage(size: frame.size, outerColor: color1, innerColor: color2)






share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 25 '18 at 15:30









rmaddyrmaddy

245k27324388




245k27324388













  • Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

    – Joy Lucas
    Nov 25 '18 at 15:44











  • That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

    – rmaddy
    Nov 25 '18 at 15:46



















  • Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

    – Joy Lucas
    Nov 25 '18 at 15:44











  • That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

    – rmaddy
    Nov 25 '18 at 15:46

















Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

– Joy Lucas
Nov 25 '18 at 15:44





Thanks that worked well. Is there also a possibility to use a vertical gradient instead of a radial gradient (like the gradient from the screenshot in my question)?

– Joy Lucas
Nov 25 '18 at 15:44













That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

– rmaddy
Nov 25 '18 at 15:46





That's a completely separate question. Mark this one as solved by clicking the checkmark to the left of the answer. If you have a new question about gradients, post an new question if needed after doing some research first.

– rmaddy
Nov 25 '18 at 15:46




















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