Easy Paint 3D

Compatibility

• Designed for Unity 2022 and later

• Built-in Render Pipeline support

• Universal Render Pipeline support

• High Definition Render Pipeline support

• Pipeline-specific SubShaders are contained inside the same shader files

Core Runtime System

• Modular and extensible component architecture

• Central PaintingSystem controller

• Individual PaintSurface component for each paintable object

• Shared PainterBase class for painting implementations

• Reusable PaintBrushPreset ScriptableObjects

• MaterialPropertyBlock-based runtime texture assignment

• Direct runtime API for custom painting integrations

Painting Methods

• MousePainter

• TouchPainter

• ObjectTrailPainter

• CollisionPainter

• RayPainter

• SphereCastPainter

• Direct PaintingSystem API access

Brush Preset Features

• Optional custom brush shape texture

• Configurable brush color

• Configurable opacity

• Configurable diameter

• Configurable hardness

• Configurable stamp spacing

• Runtime size multiplier

• Runtime opacity multiplier

• Generated circular brush fallback

• Cached brush stamp data

Blend Modes

• Replace

• Alpha Blend

• Additive

• Multiply

• Maximum

• Minimum

• Erase

PaintSurface Features

• Configurable runtime paint texture

• Texture resolutions from 128 × 128 to 2048 × 2048

• Default package texture size: 512 × 512

• Configurable initial color

• Bilinear and other Unity filter modes

• Configurable texture wrap mode

• Optional mipmap generation

• Lightmap coordinate support

• UV0 support

• UV2 support

• Configurable Undo and Redo history

• Clear operation

• PNG export

Stroke Features

• Continuous stroke interpolation

• Configurable stamp spacing

• Reduced gaps during fast movement

• Per-stroke history handling

• Paint and erase modes

• Layer mask filtering

Included Custom Shaders

• Custom/Paint

• Custom/Transparent

Custom/Paint Features

• Runtime paint texture support

• Base albedo texture and color

• Metallic and smoothness controls

• Separate paint smoothness

• Paint normal texture support

• Paint normal strength

• Noise-based paint variation

• Configurable noise scale

• Detail texture support

• Texture tiling and offset

• Optional cubemap reflection

• Built-in, URP and HDRP SubShaders

Custom/Transparent Features

• Transparent rendering

• Alpha blending

• Texture tint

• Built-in, URP and HDRP SubShaders

• Suitable for brush previews and helper visuals

Paint Spray VFX

• Standard Unity Particle System

• Configurable spray color

• Cone-shaped emission

• Configurable particle size

• Configurable lifetime and speed ranges

• Color over lifetime

• Size over lifetime

• Noise-based spray movement

• Optional world collision

• PlaySpray and StopSpray runtime methods

Included Demo Scenes

• Mouse Painter

• Object Trail

• Physics

Included Example Content

• Four color brush presets: Blue, Purple, Red and Yellow

• Paintable materials

• Example prefabs

• Paint spray example

• Random bouncing ball example

• Physics-based random movement example

• Daylight skybox

• 512 × 512 textures

Requirements

• Renderer on each paintable object

• Collider for ray, collision or sphere-cast painting

• MeshCollider recommended for accurate mesh UV coordinates

• Suitable non-overlapping paint UV coordinates

• Classic Input Manager or Active Input Handling set to Both for the included mouse and touch examples

• Mouse surface painting

• Touch surface painting

• Object trail painting

• Collision and contact painting

• Ray-based painting

• Sphere-cast painting

• Paint spray particle effect

512 × 512 included paint and brush textures.