${VFXBegin:VFXVertexDistortionProcess}

#if DISTORTION_SCREENSPACE
		${VFXLoadParameter:{distortionScale}}
		o.distortionInterpolants.xy = distortionScale;
#endif

#if DISTORTION_NORMALBASED
		${VFXLoadParameter:{distortionScale}}
		o.distortionInterpolants.x = distortionScale;
		o.distortionInterpolants.y = 0.0;
#endif

		${VFXLoadParameter:{blurScale}}
		o.distortionInterpolants.z = blurScale;

#if DISTORTION_SCALE_BY_DISTANCE
		// Scale Distortion by Distance
		float clipPosW = o.VFX_VARYING_POSCS.w;
		o.distortionInterpolants.xy /= clipPosW;
#endif

${VFXEnd}



${VFXBegin:VFXFragmentDistortionProcess}

		float2 distortion;
		float blur;

#if DISTORTION_SCREENSPACE
		float3 smpDistort = VFXGetTextureColor(VFX_SAMPLER(distortionBlurMap),i).xyz;
		distortion = (smpDistort.xy * 2.0 - 1.0) * i.distortionInterpolants.xy;
		blur = smpDistort.z * i.distortionInterpolants.z;
#endif

#if DISTORTION_NORMALBASED
		${VFXComputeNormalWS}
		float3 viewNormal = mul(VFXGetWorldToViewRotMatrix(),normalWS);
		float smpSmoothness = VFXGetTextureColor(VFX_SAMPLER(smoothnessMap),i).a;
		float smpMask = VFXGetTextureColor(VFX_SAMPLER(alphaMask),i).a;
		distortion = viewNormal.xy * i.distortionInterpolants.x * smpMask;
		blur = (1.0-smpSmoothness) * i.distortionInterpolants.z * smpMask; 
#endif
		float fade = VFXGetSoftParticleFade(i);
		o.distortion.xyw = fade * i.VFX_VARYING_ALPHA * float3(distortion.xy, blur);
		o.distortion.z = 1.0;
		return o;

${VFXEnd}