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[app] Copy the rawValue of the colorStyle enum into the buffer

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Eryn Wells 2017-08-09 08:52:05 -07:00
parent 17e91b13b6
commit 99fe2147ad
1 changed files with 12 additions and 3 deletions
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15
MetaballsKit/Metaballs.swift
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@ -41,19 +41,28 @@ public struct Parameters {
let unused3: UInt16 = 0xBA let unused3: UInt16 = 0xBA
// Color parameters // Color parameters
public var colorStyle = ColorStyle.gradient2Horizontal private var _colorStyle = ColorStyle.singleColor.rawValue
public var color0 = Float4() public var color0 = Float4(r: 0, g: 1, b: 0, a: 1)
public var color1 = Float4() public var color1 = Float4()
public var color2 = Float4() public var color2 = Float4()
public var color3 = Float4() public var color3 = Float4()
public var colorStyle: ColorStyle {
get {
return ColorStyle(rawValue: _colorStyle)!
}
set {
_colorStyle = newValue.rawValue
}
}
public init() { } public init() { }
public mutating func write(to buffer: MTLBuffer, offset: Int = 0) { public mutating func write(to buffer: MTLBuffer, offset: Int = 0) {
let start = buffer.contents().advanced(by: offset) let start = buffer.contents().advanced(by: offset)
let stride = MemoryLayout.stride(ofValue: self) let stride = MemoryLayout.stride(ofValue: self)
start.copyBytes(from: &self, count: stride) start.copyBytes(from: &self, count: stride)
NSLog("Populated parameters: size:\(size), n:\(numberOfBalls)") NSLog("Populated parameters: size:\(size), n:\(numberOfBalls), style:\(colorStyle)(\(_colorStyle))")
} }
} }