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[Metaballs] Clean up declaration of Vertex data

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This commit is contained in:
Eryn Wells 2017-08-05 09:30:55 -07:00
parent 5c37010229
commit fd2f2251bf
1 changed files with 14 additions and 9 deletions
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23
Metaballs/Renderer.swift
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@ -19,11 +19,14 @@ protocol RendererDelegate {
var field: Field { get } var field: Field { get }
} }
struct Vertex { struct Point {
let x: Float let x: Float
let y: Float let y: Float
let texX: Float }
let texY: Float
struct Vertex {
let position: Point
let textureCoordinate: Point
} }
class Renderer: NSObject, MTKViewDelegate { class Renderer: NSObject, MTKViewDelegate {
@ -73,13 +76,15 @@ class Renderer: NSObject, MTKViewDelegate {
} }
// Two triangles, plus texture coordinates. // Two triangles, plus texture coordinates.
let points: [Vertex] = [Vertex(x: 1, y: -1, texX: 1, texY: 0), let points: [Vertex] = [
Vertex(x: -1, y: -1, texX: 0, texY: 0), Vertex(position: Point(x: 1, y: -1), textureCoordinate: Point(x: 1, y: 0)),
Vertex(x: -1, y: 1, texX: 0, texY: 1), Vertex(position: Point(x: -1, y: -1), textureCoordinate: Point(x: 0, y: 0)),
Vertex(position: Point(x: -1, y: 1), textureCoordinate: Point(x: 0, y: 1)),
Vertex(x: 1, y: -1, texX: 1, texY: 0), Vertex(position: Point(x: 1, y: -1), textureCoordinate: Point(x: 1, y: 0)),
Vertex(x: -1, y: 1, texX: 0, texY: 1), Vertex(position: Point(x: -1, y: 1), textureCoordinate: Point(x: 0, y: 1)),
Vertex(x: 1, y: 1, texX: 1, texY: 1)] Vertex(position: Point(x: 1, y: 1), textureCoordinate: Point(x: 1, y: 1))
]
let buffer = commandQueue.makeCommandBuffer() let buffer = commandQueue.makeCommandBuffer()
do { do {