87 lines
2.8 KiB
Plaintext
87 lines
2.8 KiB
Plaintext
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Shader "Jupiter/SkyShadow"
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{
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Properties
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{
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[HideInInspector] _OverheadCloudColor("Overhead Cloud Color", Color) = (1, 1, 1, 0.5)
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[HideInInspector] _OverheadCloudAltitude("Overhead Cloud Altitude", Float) = 1000
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[HideInInspector] _OverheadCloudSize("Overhead Cloud Size", Float) = 100
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[HideInInspector] _OverheadCloudStep("Overhead Cloud Step", Float) = 25
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[HideInInspector] _OverheadCloudAnimationSpeed("Overhead Cloud Animation Speed", Float) = 1
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[HideInInspector] _OverheadCloudFlowDirectionX("Overhead Cloud Flow X", Float) = 1
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[HideInInspector] _OverheadCloudFlowDirectionZ("Overhead Cloud Flow X", Float) = 1
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[HideInInspector] _OverheadCloudRemapMin("Overhead Cloud Remap Min", Float) = 0
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[HideInInspector] _OverheadCloudRemapMax("Overhead Cloud Remap Max", Float) = 1
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[HideInInspector] _OverheadCloudShadowClipMask("Overhead Cloud Shadow Clip Mask", Float) = 0.1
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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LOD 100
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Pass
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{
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Name "ShadowCaster"
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Tags { "LightMode" = "ShadowCaster" }
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 2.0
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#pragma multi_compile_shadowcaster
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#pragma multi_compile_instancing // allow instanced shadow pass for most of the shaders
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#include "UnityCG.cginc"
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#pragma shader_feature_local ALLOW_STEP_EFFECT
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#include "./CGIncludes/JCommon.cginc"
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#include "./CGIncludes/JOverheadCloud.cginc"
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struct v2f {
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V2F_SHADOW_CASTER;
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UNITY_VERTEX_OUTPUT_STEREO
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float3 localPos : TEXCOORD1;
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};
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uniform fixed4 _OverheadCloudColor;
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uniform fixed _OverheadCloudAltitude;
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uniform fixed _OverheadCloudSize;
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uniform fixed _OverheadCloudStep;
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uniform fixed _OverheadCloudAnimationSpeed;
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uniform fixed _OverheadCloudFlowDirectionX;
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uniform fixed _OverheadCloudFlowDirectionZ;
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uniform fixed _OverheadCloudRemapMin;
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uniform fixed _OverheadCloudRemapMax;
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uniform fixed _OverheadCloudShadowClipMask;
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v2f vert(appdata_base v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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TRANSFER_SHADOW_CASTER_NORMALOFFSET(o)
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o.localPos = v.vertex;
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return o;
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}
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float4 frag(v2f i) : SV_Target
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{
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float4 localPos = float4(i.localPos.xyz, 1);
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float4 normalizedLocalPos = float4(normalize(localPos.xyz), 1);
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fixed4 overheadCloudColor;
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CalculateOverheadCloudColor(
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normalizedLocalPos,
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_OverheadCloudColor,
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_OverheadCloudAltitude,
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_OverheadCloudSize, _OverheadCloudStep,
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_OverheadCloudAnimationSpeed,
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_OverheadCloudFlowDirectionX, _OverheadCloudFlowDirectionZ,
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_OverheadCloudRemapMin, _OverheadCloudRemapMax,
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overheadCloudColor);
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clip(overheadCloudColor.a - _OverheadCloudShadowClipMask);
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SHADOW_CASTER_FRAGMENT(i)
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}
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ENDCG
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}
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}
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}
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