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[kit] Add target and feather properties to the Parameters struct

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Eryn Wells 2017-08-24 18:35:16 -07:00
parent 859127d537
commit 6c06aadd37
2 changed files with 9 additions and 8 deletions
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10
MetaballsKit/Metaballs.swift
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@ -36,12 +36,14 @@ public struct Parameters {
var size = Size(width: 0, height: 0)
var numberOfBalls: UInt16 = 0
let unused1: UInt16 = 0xAB
let unused2: UInt32 = 0xCDEF
let unused3: UInt16 = 0xBA
private var _colorStyle = ColorStyle.singleColor.rawValue
/// The target sample value. Above this value results in a colored pixel; below is a dark pixel.
var target: Float = 1.0
/// The amount to feather the alpha of each ball. A value between 0.0 and 1.0.
var feather: Float = 0.0
// Color parameters
private var _colorStyle = ColorStyle.singleColor.rawValue
public var color0 = Float4(r: 0, g: 1, b: 0, a: 1)
public var color1 = Float4()
public var color2 = Float4()

7
MetaballsKit/Shaders.metal
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@ -41,11 +41,10 @@ typedef struct {
short2 size;
ushort numberOfBalls;
ushort unused1;
uint unused2;
ushort unused3;
ushort colorStyle;
float target;
float feather;
float4 colors[4];
} Parameters;