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| author | nsfisis <nsfisis@gmail.com> | 2023-01-23 23:47:11 +0900 |
|---|---|---|
| committer | nsfisis <nsfisis@gmail.com> | 2023-01-23 23:47:11 +0900 |
| commit | 4c6f67712f731f8132c157e087e827507b7bebb7 (patch) | |
| tree | 0aba6a51e3edfbe421d997369f210224d32faf46 /src/rtw/texture.zig | |
| parent | 686b8801e6848573d5b9f8bc45bc9ab86153452b (diff) | |
| download | RayTracingInOneWeekend.zig-4c6f67712f731f8132c157e087e827507b7bebb7.tar.gz RayTracingInOneWeekend.zig-4c6f67712f731f8132c157e087e827507b7bebb7.tar.zst RayTracingInOneWeekend.zig-4c6f67712f731f8132c157e087e827507b7bebb7.zip | |
5.4
Diffstat (limited to 'src/rtw/texture.zig')
| -rw-r--r-- | src/rtw/texture.zig | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/rtw/texture.zig b/src/rtw/texture.zig index 63b8f46..cf2b08b 100644 --- a/src/rtw/texture.zig +++ b/src/rtw/texture.zig @@ -29,8 +29,8 @@ pub const Texture = union(TextureTag) { ) }; } - pub fn makeNoise(rng: Random) Texture { - return .{ .noise = .{ .perlin = Perlin.init(rng) } }; + pub fn makeNoise(scale: f64, rng: Random) Texture { + return .{ .noise = .{ .perlin = Perlin.init(rng), .scale = scale } }; } pub fn value(tx: Texture, u: f64, v: f64, p: Vec3) Color { @@ -83,10 +83,11 @@ pub const CheckerTexture = struct { pub const NoiseTexture = struct { perlin: Perlin, + scale: f64, fn value(tx: NoiseTexture, u: f64, v: f64, p: Vec3) Color { _ = u; _ = v; - return rgb(1, 1, 1).mul(tx.perlin.noise(p)); + return rgb(1, 1, 1).mul(tx.perlin.noise(p.mul(tx.scale))); } }; |