修改水

2026-01-01 22:00:33 +08:00
parent 040a222bd6
commit 9ceffccd39
1800 changed files with 103929 additions and 139495 deletions
--- a/Assets/Obi/Resources/ObiMaterials/SimpleParticleShader.shader
+++ b/Assets/Obi/Resources/ObiMaterials/SimpleParticleShader.shader
@@ -0,0 +1,131 @@
+Shader "Obi/Simple Particles" {
+
+Properties {
+	_Color 		("Particle color", Color) = (1,1,1,1)
+}
+
+	SubShader { 
+
+		Pass { 
+
+			Name "ParticleFwdBase"
+			Tags {"Queue"="Geometry" "IgnoreProjector"="True" "RenderType"="Opaque" "LightMode" = "ForwardBase"}
+			Blend SrcAlpha OneMinusSrcAlpha  
+			
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+			#pragma fragmentoption ARB_precision_hint_fastest
+
+			#pragma multi_compile_fwdbase nolightmap
+
+			#include "ObiParticles.cginc"
+            #include "ObiUtils.cginc"
+            #include "ObiLightingBuiltIn.cginc"
+
+			fixed4 _Color;
+			fixed4 _LightColor0; 
+
+			struct vin{
+				float4 vertex   : POSITION;
+				float3 corner   : NORMAL;
+				fixed4 color    : COLOR;
+				float4 t0 : TEXCOORD0; // ellipsoid t1 vector
+			};
+
+			struct v2f
+			{
+				float4 pos   : POSITION;
+				fixed4 color    : COLOR;
+				float2 texcoord  : TEXCOORD0;
+				float3 lightDir : TEXCOORD1;
+				LIGHTING_COORDS(3,4)
+			};
+
+			v2f vert(vin v)
+			{ 
+				v2f o;
+		
+				// particle positions are passed in world space, no need to use modelview matrix, just view.
+				float radius = v.t0.w * _RadiusScale;
+				float4 viewpos = mul(UNITY_MATRIX_V, v.vertex) + float4(v.corner.x, v.corner.y, 0, 0) * radius; // multiply by size.
+				o.pos = mul(UNITY_MATRIX_P, viewpos);
+				o.texcoord = float3(v.corner.x*0.5+0.5, v.corner.y*0.5+0.5, radius);
+				o.color = v.color * _Color;
+
+				o.lightDir = mul ((float3x3)UNITY_MATRIX_MV, ObjSpaceLightDir(v.vertex));
+
+				TRANSFER_VERTEX_TO_FRAGMENT(o);
+
+				return o;
+			} 
+
+			fixed4 frag(v2f i) : SV_Target
+			{
+				// generate sphere normals:
+				float3 n = BillboardSphereNormals(i.texcoord);
+
+				// simple lighting: diffuse
+		   	 	float ndotl = saturate( dot( n, normalize(i.lightDir) ) );
+
+				// final lit color:
+				return fixed4(i.color.rgb * (_LightColor0 * ndotl + UNITY_LIGHTMODEL_AMBIENT),i.color.a);
+			}
+			 
+			ENDCG
+
+		} 
+
+		Pass {
+        	Name "ShadowCaster"
+		        Tags { "LightMode" = "ShadowCaster" }
+		        Offset 1, 1
+		       
+		        Fog {Mode Off}
+		        ZWrite On ZTest LEqual
+		 
+				CGPROGRAM
+				#pragma vertex vert
+				#pragma fragment frag
+				#pragma fragmentoption ARB_precision_hint_fastest
+
+				#pragma multi_compile_shadowcaster nolightmap
+
+				#include "ObiParticles.cginc"
+				 
+				struct vin{
+					float4 vertex   : POSITION;
+					float3 corner   : NORMAL;
+					float4 t0 : TEXCOORD0; // ellipsoid t1 vector
+				};
+
+				struct v2f {
+					float4 pos   : POSITION;
+				    float3 texcoord : TEXCOORD0;
+				};
+				 
+				v2f vert( vin v )
+				{
+				    v2f o;
+
+					float radius = v.t0.w * _RadiusScale;
+					float4 viewpos = mul(UNITY_MATRIX_V, v.vertex) + float4(v.corner.x, v.corner.y, 0, 0) * radius;
+					o.pos = mul(UNITY_MATRIX_P, viewpos);
+					o.texcoord = float3(v.corner.x*0.5+0.5, v.corner.y*0.5+0.5, radius);
+				    return o;
+				}
+				 
+				fixed4 frag( v2f i ) : SV_Target
+				{
+					float3 n = BillboardSphereNormals(i.texcoord);
+
+					return fixed4(0,0,0,0);
+				}
+				ENDCG
+		 
+		    }
+
+	} 
+FallBack "Diffuse"
+}
+