Shoegaze is about pushing gear to its breaking point. In Guitar Rig 6, put a Shred distortion before a * Spring Reverb then into a Compressor . Kick the spring reverb tank (simulate this by quickly spiking the input gain). That ugly, crashing "boing" is a genre staple.
To achieve that smeared, atmospheric wash, arrange your components in this exact order: Input / Gates: guitar rig 6 shoegaze
chaotic and losing all note definition, slowly back down the Mix knob on your pre-distortion reverb until you can hear the chord changes again. Split Mixers: Use Guitar Rig’s Shoegaze is about pushing gear to its breaking point
Replika XT is perfect here. Use the "Diffusion" mode to blur the repeats into a cloud. guitar rig 6 shoegaze