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Questions tagged [skeffectnode]

An SKEffectNode object applies a Core Image filter to its rendered output, allowing you to incorporate sophisticated special effects in a scene. Available in iOS 7.0 and later.

41 questions
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How can you create a glow around a sprite via SKEffectNode

I have a SKSpriteNode that I'd like to have a blue glow around it's edges for highlighting purposes. I am guessing that I would need to make my sprite a child of a SKEffectNode and then create/apply a filter of some sort. UPDATE : I have…
prototypical
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Add glowing effect to an SKSpriteNode

I have a moving black image on a dark screen, to make it easier to see I would like to add in a white glow to the image. This is my code for the moving image: Ghost = SKSpriteNode(imageNamed: "Ghost1") Ghost.size = CGSize(width: 50, height:…
Oren Edrich
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Metal crash upon adding SKSpriteNode to SKEffectNode

> -[MTLDebugRenderCommandEncoder setScissorRect:]:2028: failed assertion (rect.x(0) + rect.width(1080))(1080) must be <= 240 I am getting this crash when adding a simple SKSpriteNode to a SKEffectNode with the following code SKSpriteNode…
user3765506
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SpriteKit: SKSpriteNodes disappear from SKEffectNode after a few seconds

I'm working on a metaballs effect in SpriteKit. I have an SKEffectNode with a shader that compresses the colour range of its buffer. This effectnode has a hundred-odd SKSpriteNode as its children. The effect works great for a couple of seconds, but…
OliverD
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How to apply full-screen SKEffectNode for post-processing in SpriteKit

I'm trying out SpriteKit with the following setup: An SKScene with two child nodes used merely for grouping other nodes: foreground and background. background is really empty as of now, but would eventually hold some type of background sprite /…
SaldaVonSchwartz
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CIGaussianBlur takes too much processing

I am trying to apply CIGaussianBlur effect on Game Pause screen. Here is my code: effectsNode = SKEffectNode(); let filter = CIFilter(name: "CIGaussianBlur"); let blurAmount = 10.0; filter.setValue(blurAmount, forKey:…
Adnan Zahid
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Blurring a SKShapeNode incrementally using SKEffectNode

I'm trying to blur a SKShapenode in my program. However, I want the shapenode to blur progressively, with a duration of about 1 second. How do I achieve that? The current code blurs it instantly. func generateAnimation() { var blurAction : SKAction…
Raghu
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Render SKScene to SKTexture?

Is there a way in Sprite Kit that I can capture the screen (all the current SKScene rendered nodes) to an SKTexture so that I can apply a CIFilter and then assign the SKTexture back to a new SKSpriteNode? I know that I can set an SKEffectNode, as…
fuzzygoat
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Querying graphics capabilities for deciding whether to apply GPU-intensive effects (through SpriteKit)

I have a game written with SpriteKit which uses a SKEffectNode with blur effect to blur a set of sprites, one of which has a fairly large texture, and which together cover a fairly large area of the screen. An iMac and Mac Book Pro cope quite…
Neil Coffey
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SKWarpGeometry on SKLabelNode as child of SKEffectNode flips label upside-down

I'm trying to warp an SKLabelNode as a child of SKEffectNode (documentation says you can do that), but it flips the label node upside-down before it applies the warp. This may be a bug, but before I file it, I thought I'd ask on here... Here's my…
Darth Flyeater
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SKEffectNode Performance Issue for CIFilter(name: "CIGaussianBlur") with shouldRasterize = true

I am trying to add a glow to characters or objects in my game that cause damage. I want a red glow for "bad" things in the game, i.e., spikes, guards, etc. I am using the following code, but the performance is really bad even with rasterize set to…
Jacksonsox
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On iOS, can you add multiple CIFilters to a SpriteKit node?

On iOS, can you add more than one CIFilter to a SKEffectsNode? CIFilterGenerator seems like what I want but it isn't available on iOS. I know you can use multiple filters on an image by passing the output of one as the input of the next, but that's…
zekel
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Core Image NSException Crash, why/what?

In SpriteKit, using an Effect node, I apply a simple gradient to a simple rectangle. That seems to work fine, however adding it to the scene causes a NSException. PLEASE: What am I doing wrong? import SpriteKit import GameplayKit import…
Confused
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SKEffectNode to an SKTexture?

SKEffectionNodes have a shouldRasterise "switch" that bakes them into a bitmap, and doesn't update them until such time as the underlying nodes that are impacted by the effect are changed. However I can't find a way to create an SKTexture from this…
Confused
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How do I alpha-mask a SKSpriteNode?

I know there's SKCropNode, but it will only fully in- or exclude pixels based on an alpha threshold of the maskNode. What I already tried is using the SKEffectNode with a CIBlendWithAlphaMask filter, but the result I'm getting is invisible and I…
Larry
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