Improve the appearance of simple parallax in StandardMaterial3D
Improve the appearance of simple parallax in StandardMaterial3D

This uses offset limiting to avoid distortion in the distance,
and makes simple (non-deep) parallax more usable overall.

Zylann/godot,Shockblast/godot,DmitriySalnikov/godot,pkowal1982/godot,godotengine/godot,firefly2442/godot,sanikoyes/godot,vkbsb/godot,Valentactive/godot,vkbsb/godot,josempans/godot,ZuBsPaCe/godot,DmitriySalnikov/godot,Faless/godot,Zylann/godot,DmitriySalnikov/godot,akien-mga/godot,godotengine/godot,akien-mga/godot,DmitriySalnikov/godot,ZuBsPaCe/godot,Faless/godot,BastiaanOlij/godot,sanikoyes/godot,Valentactive/godot,godotengine/godot,BastiaanOlij/godot,BastiaanOlij/godot,Valentactive/godot,Shockblast/godot,pkowal1982/godot,godotengine/godot,firefly2442/godot,Zylann/godot,pkowal1982/godot,Shockblast/godot,sanikoyes/godot,DmitriySalnikov/godot,vnen/godot,Faless/godot,Valentactive/godot,sanikoyes/godot,Faless/godot,akien-mga/godot,akien-mga/godot,akien-mga/godot,ZuBsPaCe/godot,firefly2442/godot,josempans/godot,Zylann/godot,Shockblast/godot,guilhermefelipecgs/godot,godotengine/godot,pkowal1982/godot,Faless/godot,vnen/godot,sanikoyes/godot,Shockblast/godot,BastiaanOlij/godot,DmitriySalnikov/godot,vkbsb/godot,ZuBsPaCe/godot,Shockblast/godot,Valentactive/godot,guilhermefelipecgs/godot,josempans/godot,ZuBsPaCe/godot,BastiaanOlij/godot,josempans/godot,vnen/godot,vnen/godot,josempans/godot,godotengine/godot,Valentactive/godot,guilhermefelipecgs/godot,ZuBsPaCe/godot,vkbsb/godot,sanikoyes/godot,godotengine/godot,BastiaanOlij/godot,Shockblast/godot,vnen/godot,Valentactive/godot,firefly2442/godot,pkowal1982/godot,josempans/godot,DmitriySalnikov/godot,firefly2442/godot,josempans/godot,firefly2442/godot,pkowal1982/godot,firefly2442/godot,vkbsb/godot,guilhermefelipecgs/godot,Faless/godot,akien-mga/godot,ZuBsPaCe/godot,Faless/godot,sanikoyes/godot,akien-mga/godot,ZuBsPaCe/godot,guilhermefelipecgs/godot,pkowal1982/godot,vkbsb/godot,josempans/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,Faless/godot,Shockblast/godot,vnen/godot,pkowal1982/godot,godotengine/godot,Zylann/godot,vnen/godot,BastiaanOlij/godot,vnen/godot,vkbsb/godot,Zylann/godot,sanikoyes/godot,Zylann/godot,Valentactive/godot,guilhermefelipecgs/godot,akien-mga/godot,vkbsb/godot,firefly2442/godot,Zylann/godot,BastiaanOlij/godot