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Use a fixed size 512x512 texture for the height map

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This will make implementing other algorithms easier. :D
This commit is contained in:
Eryn Wells 2018-11-04 11:34:25 -05:00
parent af5e5a6123
commit 96730ecd41
3 changed files with 17 additions and 16 deletions
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10
Terrain2/Renderer.swift
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@ -61,7 +61,7 @@ class Renderer: NSObject, MTKViewDelegate {
metalKitView.colorPixelFormat = MTLPixelFormat.bgra8Unorm_srgb
metalKitView.sampleCount = 1
terrain = Terrain(dimensions: float2(8, 8), segments: uint2(20, 20), device: device)!
terrain = Terrain(dimensions: float2(10, 10), segments: uint2(100, 100), device: device)!
do {
pipelineState = try Renderer.buildRenderPipelineWithDevice(device: device,
@ -145,11 +145,11 @@ class Renderer: NSObject, MTKViewDelegate {
uniforms[0].projectionMatrix = projectionMatrix
let rotationAxis = float3(1, 1, 0)
let rotationAxis = float3(0, 1, 0)
let modelMatrix = matrix4x4_rotation(radians: rotation, axis: rotationAxis)
let viewMatrix = matrix4x4_translation(0.0, 0.0, -8.0)
let viewMatrix = matrix4x4_translation(0.0, -2.0, -8.0)
uniforms[0].modelViewMatrix = simd_mul(viewMatrix, modelMatrix)
rotation += 0.01
rotation += 0.0025
}
func draw(in view: MTKView) {
@ -203,7 +203,7 @@ class Renderer: NSObject, MTKViewDelegate {
}
}
renderEncoder.setVertexTexture(terrain.heights, index: 0)
renderEncoder.setVertexTexture(terrain.heightMap, index: 0)
renderEncoder.setFragmentTexture(colorMap, index: TextureIndex.color.rawValue)
for submesh in terrain.mesh.submeshes {