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Use MemoryLayout.stride instead of a hardcoded value for spacing

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Eryn Wells 2018-10-13 20:55:39 -07:00
parent 2ed72491b1
commit 0a75161759
1 changed files with 1 additions and 1 deletions
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2
MetaballsKit/Metaballs.swift
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@ -233,7 +233,7 @@ public class Field {
private func populateBallBuffer() { private func populateBallBuffer() {
if ballBuffer == nil && balls.count > 0 { if ballBuffer == nil && balls.count > 0 {
guard let device = self.device else { return } guard let device = self.device else { return }
let sizeOfBall = 16 // A Ball in shader-land is a float3, which takes 16 bytes. let sizeOfBall = MemoryLayout<Float3>.stride // A Ball in shader-land is a float3, which takes 16 bytes.
let length = balls.count * sizeOfBall let length = balls.count * sizeOfBall
NSLog("Making ball buffer, length:\(length)") NSLog("Making ball buffer, length:\(length)")
ballBuffer = device.makeBuffer(length: length, options: []) ballBuffer = device.makeBuffer(length: length, options: [])