ShadowCaster 代码

    Pass

        {

            Name "ShadowCaster"

            Tags{"LightMode" = "ShadowCaster"}

            CGPROGRAM

            #pragma vertex vert

            #pragma fragment frag

            #pragma multi_compile_shadowcaster

            #include "UnityCG.cginc"

            struct v2f

            {

                V2F_SHADOW_CASTER;

            };

            v2f vert( appdata_base  v)

            {

                v2f o;

                TRANSFER_SHADOW_CASTER_NORMALOFFSET(o)

                return o;

            }

            float4  frag(v2f i):SV_Target

            {

                SHADOW_CASTER_FRAGMENT(i)

            }

            ENDCG

        }