I'm working on adding 4 CAEmitterLayers to a subview. Each CAEmitterLayer is a line, and will be positioned on each side. Rotation will be controlled ...
I'm working on adding 4 CAEmitterLayers to a subview. Each CAEmitterLayer is a line, and will be positioned on each side. Rotation will be controlled ...
I want to use a CAEmitterLayer within a macOS app that is based on SwiftUI. Problem: The layer itself is perfectly visible, but it doesn’t emit any p ...
A very bizarre issue we've been seeing (gifs below), We have a presented View Controller that has a TeamBadgeView, which is a button that emits e ...
My aim is to create a fire effect using a CAEmitterLayer, whose strength can be altered via changing the value of the alphaSpeed property of its given ...
I've mostly seen examples of continuous emitters in Swift, and I've found one example in Obj-C by setting the birthRates of the emitter cells to 0.0, ...
I have a custom UI component that produces an image of a round ball with some labels superimposed over top of it. I am taking a snapshot of the compo ...
I'm working on creating a CAEmitterLayer that's the height of the screen, and pushed off -X, so the CAEmitterCells travel from left (off the screen) t ...
I want CAEmitterCell emits in a specific angle. I use emitterCell.emissionLongitude = -CGFloat.pi to specify the orientation angle is -pi(which is lef ...
I have some strange behaviour of CAEmitterCell color property or I don't understand it right. I have a cell With content of simple .png file which ...
I'm trying to create the equivalent of the following Objective-C in Swift. I have tried the following in Swift: However this does not change the ...
I need to do same animation as done in Periscope App, while user is sending heart. Hearts are popping per touch and travel randomly and disappears and ...
I have read a few tutorials and looked over the documentation but I cannot get my CAEmitterLayer to show any particles. I have a CAEmitterLayer and CA ...
I have a CAEmitterLayer and I'd like to have a simple animation run over the course of each particle's life. As soon as particle pops in, I'd like it ...
I have a CAEmitterCell : I would like the sprite to be an animated png sequence (or so) instead of a single image. The only technique I know mak ...
My goal is to make an explosion-like animation where many particles are emitted in a short duration. My problem is that CAEmitterLayer, when it begins ...
Here is my code -- Compiling on Xcode 6.3 for iOS8 and above: I have been struggling with what to release! Thanks! ...
I'm trying to reproduce pieces of small paper falling from top effect, using CAEmitterLayer & CAEmitterCell. So far, I got the 2D animation of i ...
I'm having trouble finding enough documentation on CAEmitterCell. It's contents seem to be able to set to any object, but as far as I can tell from e ...
I'm trying to create a particle system for an iOS app. the app doesn't use SpriteKit, so i'm using CAEmitterLayer and CAEmitterCell to do it. In Objec ...
I want to generate different CAEmitterCells from multiple points. So far my solution is to created multiple CAEmitterLayers, each with one cell, so th ...