From 9216a22a79d68bf7a32efe4156ae3eac54fc8bcc Mon Sep 17 00:00:00 2001 From: CrispyPin Date: Sat, 15 Jul 2023 13:35:35 +0200 Subject: [PATCH] add distorted julia fractal --- Assets/julia/JuliaFractal Distorted.mat | 85 ++++++++ Assets/julia/JuliaFractal Distorted.mat.meta | 8 + Assets/julia/JuliaFractal.mat | 2 +- Assets/julia/JuliaFractal.unity | 181 +++++++++++++++++- Assets/julia/julia_fractal.shader | 2 +- Assets/julia/julia_fractal_distorted.shader | 74 +++++++ .../julia/julia_fractal_distorted.shader.meta | 9 + 7 files changed, 358 insertions(+), 3 deletions(-) create mode 100644 Assets/julia/JuliaFractal Distorted.mat create mode 100644 Assets/julia/JuliaFractal Distorted.mat.meta create mode 100644 Assets/julia/julia_fractal_distorted.shader create mode 100644 Assets/julia/julia_fractal_distorted.shader.meta diff --git a/Assets/julia/JuliaFractal Distorted.mat b/Assets/julia/JuliaFractal Distorted.mat new file mode 100644 index 0000000..9e86b96 --- /dev/null +++ b/Assets/julia/JuliaFractal Distorted.mat @@ -0,0 +1,85 @@ +%YAML 1.1 +%TAG !u! tag:unity3d.com,2011: +--- !u!21 &2100000 +Material: + serializedVersion: 6 + m_ObjectHideFlags: 0 + m_CorrespondingSourceObject: {fileID: 0} + m_PrefabInstance: {fileID: 0} + m_PrefabAsset: {fileID: 0} + m_Name: JuliaFractal Distorted + m_Shader: {fileID: 4800000, guid: 284dd8a7ee30dc2c2b1a02cf67bea87f, type: 3} + m_ShaderKeywords: + m_LightmapFlags: 4 + m_EnableInstancingVariants: 0 + m_DoubleSidedGI: 0 + m_CustomRenderQueue: -1 + stringTagMap: {} + disabledShaderPasses: [] + m_SavedProperties: + serializedVersion: 3 + m_TexEnvs: + - 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You need to check 'Enable Instancing' on materials that use the shader. + // // See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing. + // // #pragma instancing_options assumeuniformscaling + // UNITY_INSTANCING_BUFFER_START(Props) + // // put more per-instance properties here + // UNITY_INSTANCING_BUFFER_END(Props) + + void surf (Input IN, inout SurfaceOutputStandard o) + { + float2 pos = IN.uv_MainTex * 4 - 2; + float angle = _Time.y * _RotSpeed + IN.worldPos.x * IN.worldPos.y; + float2 offset = float2(sin(angle) * _RadiusX, cos(angle) * _RadiusY); + + int i = 0; + while (pos.x * pos.x + pos.y * pos.y < 4 && i < _MaxIter) + { + float temp_x = pos.x * pos.x - pos.y * pos.y; + pos.y = 2 * pos.x * pos.y + offset.y; + pos.x = temp_x + offset.x; + i++; + } + + fixed3 col = + min( + pow( + fixed3(5, 2, 11) * i / (float)_MaxIter + , 2) + , 1); + o.Albedo = col; + o.Emission = col * _Emission; + } + ENDCG + } + FallBack "Diffuse" +} diff --git a/Assets/julia/julia_fractal_distorted.shader.meta b/Assets/julia/julia_fractal_distorted.shader.meta new file mode 100644 index 0000000..04186c0 --- /dev/null +++ b/Assets/julia/julia_fractal_distorted.shader.meta @@ -0,0 +1,9 @@ +fileFormatVersion: 2 +guid: 284dd8a7ee30dc2c2b1a02cf67bea87f +ShaderImporter: + externalObjects: {} + defaultTextures: [] + nonModifiableTextures: [] + userData: + assetBundleName: + assetBundleVariant: