Shader

pattern draw take 2

Cristian Díaz Peredo

Aug 3, 2019

Proof of concept for an iOS app that lets you make patterns using metal shaders and hand drawing

An illustration of the spiky wheel scene: a blue ball covered in cone spikes turns pink where it presses into rows of upright pink, orange and white capsules standing on a cream base

RealitySDFPhysics

Rigid bodies made of signed distance fields for RealityKit, so concave shapes collide as they are.

Banner on teal: the title Selection Effects and the pills .outline, .highlight, .shader; a white slab with a cube inside a yellow outline ring, a glowing orange sphere and a purple prism

Selection Effects for RealityKit

A HoverEffectComponent-shaped API for selections in RealityKit.

LYGIA Metal Viewer

A native viewer for the Metal port of LYGIA

Illustration of a rectangle wrapped by a three-dimensional ribbon giving the sensation of melting in reference to the dilation process for outline drawing

RealityKit Outline Selection

ℹ️Update (October 2026): This is now a Swift package Beyond the RealityView effect described here, it adds: * ARView support back to iOS 15 (UIKit/AppKit) via install(on:), prompted by Richard Hasson's email * outlines that follow moving entities (transforms refresh every frame, not just at selection) * multi-

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RealitySDFPhysics

Selection Effects for RealityKit

LYGIA Metal Viewer

RealityKit Outline Selection