1.0 float2 uv1 = float2( object.fadeProgress.x, 0 ) + ( 1 - mUV )+ 0.05*globals.gCloud.ab ; float mFadeIN = alphaGradient(mResultColor.a, tex2D( fadeMask, uv1 ).r ,0.1); // 1.0 ==> -1.0 float2 uv2 = float2( object.fadeProgress.y, 0 ) + mUV - 0.05*globals.gCloud.ab; float mFadeOUT = alphaGradient(mResultColor.a, tex2D( fadeMask, uv2 ).r ,0.1); // ================================= alpha = saturate(mEndAlpha * mFadeIN * mFadeOUT); ]]>