eryn/terrain
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

In the name of debugging, use a smaller grid and make more local vars

Browse source
This commit is contained in:
Eryn Wells 2018-11-03 15:07:03 -04:00
parent 3ce38b4b8b
commit 49783610e7
1 changed files with 4 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Terrain/Renderer.swift
View file

@ -17,7 +17,7 @@ class Renderer: NSObject, MTKViewDelegate {
var commandQueue: MTLCommandQueue! var commandQueue: MTLCommandQueue!
var renderPipeline: MTLRenderPipelineState! var renderPipeline: MTLRenderPipelineState!
var terrainGridSize = CGSize(width: 11, height: 11) var terrainGridSize = CGSize(width: 2, height: 2)
var terrain = Terrain() var terrain = Terrain()
func setupMetal(withView view: MTKView) { func setupMetal(withView view: MTKView) {
@ -89,10 +89,12 @@ class Renderer: NSObject, MTKViewDelegate {
if let renderPass = view.currentRenderPassDescriptor { if let renderPass = view.currentRenderPassDescriptor {
if let encoder = buffer.makeRenderCommandEncoder(descriptor: renderPass) { if let encoder = buffer.makeRenderCommandEncoder(descriptor: renderPass) {
let vertexCount = terrain.vertexCount(forGridSize: terrainGridSize)
encoder.label = "Terrain" encoder.label = "Terrain"
encoder.setRenderPipelineState(renderPipeline) encoder.setRenderPipelineState(renderPipeline)
encoder.setVertexBuffer(terrain.buffer, offset: 0, index: 0) encoder.setVertexBuffer(terrain.buffer, offset: 0, index: 0)
encoder.drawPrimitives(type: .triangle, vertexStart: 0, vertexCount: terrain.vertexCount(forGridSize: terrainGridSize)) encoder.drawPrimitives(type: .triangle, vertexStart: 0, vertexCount: vertexCount)
encoder.setTriangleFillMode(.lines) encoder.setTriangleFillMode(.lines)
encoder.endEncoding() encoder.endEncoding()
didEncode = true didEncode = true