1.0 mFadeIN = tex2D( fadeMask, float2( object.fadeProgress.x, 0 ) + ( 1 - mUV1 ) ).r; // 1.0 ==> -1.0 mFadeOUT = tex2D( fadeMask, float2( object.fadeProgress.y, 0 ) + mUV1 ).r; // ================================= float mAlphaValue = mEndAlpha * mFadeIN * mFadeOUT; alpha = lerp( object.alphaRemap.x, object.alphaRemap.y, saturate(mAlphaValue) ); ]]>