SDF Tool – Signed Distance Field Dissolve Texture Generator

Publisher

Unity China Publisher Hub

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Overview

SDF Generator

A GPU-accelerated Signed Distance Field texture generator based on the Jump Flooding Algorithm (JFA). Converts source
images into SDF textures for text rendering, outlines, soft shadows, shape morphing, collision detection, and UI
effects.

Features

- Three Input Modes — Single texture, custom multi-texture (2–8), and folder batch loading. Supports PNG, JPG, TGA,
BMP, PSD, and more.
- Real-Time Preview — Parameter changes trigger automatic GPU preview refresh with 0.15s debounce.
- SDF Controls — Spread (distance range), Contrast, Center (midpoint shift), Invert, Edge Softness, and Multiply
Alpha.
- Multi-Texture Combination — Each texture is independently converted to SDF, then additively blended and normalized
into a single combined output.
- Flexible Output — 128 to 1024 resolution; PNG 8/16-bit or EXR 16/32-bit, with auto-configured linear and Clamp
import settings.

Use Cases

-SDF facial shadows
-VFX dissolve map creation

Highlights

- Fully GPU-accelerated via Compute Shader — a 1024×1024 texture processes in milliseconds.
- Zero setup: open from Tools → SDF Generator and start immediately. Default config is auto-created on first launch.
- Full Undo/Redo support — all parameter changes can be reverted with Ctrl+Z.