Compatibility
Minecraft: Java Edition
Tags
Creators
Details

Spectrum Outline EntzuMC
Upgrade your block highlights with vibrant moving colors and a sleek modern style.
⨠Features
- š Animated spectrum outlines
- š Flowing color loop around edges
- šØ Custom color mode
- š Adjustable thickness
- ā” Lightweight & optimized
- š§© Vanilla shader based
Perfect for PvP, building and cinematic gameplay.
š„ Compatibility
ā Minecraft 1.21.x
ā Vanilla
ā Iris
ā Sodium
ā OptiFine
š¦ Installation
- Download the pack
- Move it to
.minecraft/resourcepacks - Activate it in game
ā¤ļø Credits
Created by EntzuMC
āļø Configuration Guide
Spectrum Outline EntzuMC
All visual effects can be customized directly inside the shader files.
No extra mods or menus required ā just edit a few lines.
š Where to edit
Open the pack and go to:
assets/minecraft/shaders/core/
You will find:
rendertype_lines.vshrendertype_lines.fsh
At the top of both files you will see the configuration panel.
š® Changing the Mode
Find this line in both files:
#define MODE RAINBOW_LOOP
Replace RAINBOW_LOOP with one of these:
VANILLAā Default Minecraft outlineRAINBOW_FADEā Smooth animated color shiftRAINBOW_LOOPā Colors travel around the edgesCUSTOMā Uses your selected color

ā ļø The mode must match in both files.
š Changing the Thickness
In rendertype_lines.vsh:
#define THICKNESS 2.5
Examples:
1.0ā vanilla2.0ā slightly thicker3.0ā bold4.0+ā very thick
šØ Custom Color Mode
If you use:
#define MODE CUSTOM
Change this in rendertype_lines.fsh:
#define CUSTOM_COLOR vec4(0.2, 0.8, 1.0, 1.0)
Format: vec4(R, G, B, A)
Values go from 0.0 to 1.0.
Examples:
White: vec4(1.0, 1.0, 1.0, 1.0)
Red: vec4(1.0, 0.0, 0.0, 1.0)
Purple: vec4(0.7, 0.2, 1.0, 1.0)
š Changing Rainbow Speed
#define SPEED 2000.0
Higher = faster
Lower = slower
š Direction
#define DIRECTION 1.0
1.0ā normal-1.0ā reverse
š Smooth Transitions
#define SMOOTH true
trueā soft gradientfalseā hard color steps
š” Tips
ā Restart Minecraft after editing
ā Use CUSTOM mode for quick testing
ā If nothing changes ā make sure both files match
Enjoy your personalized outlines š„


