Shader Graph Editor — Channel/Letter Matching

Rule: two shaders connect only if they share the same letter in the same non-red channel. Use the inspector to assign letters per channel, then click Recompute.

Nodes

Select:

Tip: In Connect mode, click first node (yellow border), then second node. Click empty space to cancel.

Edge Style (manual)

In Select mode, click an edge to apply current color/letter.

Inspector — Letters per Channel

Select a node to edit its channel letters (Black / Green / Dark Blue / Light Blue). Red is independent and not used for linking.

Import / Export