kahunamoore’s gists

Matt54 / SphereMeshTextureComparisonView.swift

Created August 10, 2024 23:00

RealityView comparing built-in generateSphere with LowLevelMesh implementation - both having and excluding uv data in vertex attributes

	import SwiftUI
	import RealityKit

	struct SphereMeshTextureComparisonView: View {
	let latitudeBands = 128
	let longitudeBands = 80
	let radius: Float = 0.1

	// Metal-related properties
	let device: MTLDevice

Matt54 / LightBeamSynthView.swift

Last active August 11, 2024 15:29

RealityView of light beam synth with touch gesture interactions

	import AVFoundation
	import SwiftUI
	import RealityKit

	#Preview { LightBeamSynthView() }
	struct LightBeamSynthView: View {
	@Environment(\.physicalMetrics) var physicalMetrics
	@State var outerCylinderEntity: Entity?
	@State var innerCylinderEntity: Entity?
	@State var touchEntity: Entity?

Matt54 / LaserSynthView.swift

Last active August 8, 2024 17:52

RealityView where a cylinder's detected SpatialEventGesture modulates a signal generator's output

	import AVFoundation
	import SwiftUI
	import RealityKit

	struct LaserSynthView: View {
	@Environment(\.physicalMetrics) var physicalMetrics
	let signalGenerator = SignalGenerator()

	@State var outerCylinderEntity: Entity?
	@State var innerCylinderEntity: Entity?

Matt54 / FireballCirclesAddBlendView.swift

Created August 6, 2024 02:16

RealityView resembling a fireball spell created from many low opacity spheres swarming around with add blend mode applied

	import RealityKit
	import SwiftUI

	struct FireballCirclesAddBlendView: View {
	@State var rootEntity: Entity?
	@State var sphereTargets: [Entity: SIMD3<Float>] = [:]
	@State private var rotationAngles: SIMD3<Float> = [0, 0, 0]
	@State private var modulationTimer: Timer?
	@State private var lastRotationUpdateTime = CACurrentMediaTime()

Matt54 / LowLevelMeshNormalsComparisonView.swift

Created August 4, 2024 14:48

RealityView comparing LowLevelMesh spheres with and without surface normal data

	import SwiftUI
	import RealityKit

	struct LowLevelMeshNormalsComparisonView: View {
	var body: some View {
	RealityView { content in
	let sphereWithoutNormals = try! sphereEntity(includeNormals: false)
	sphereWithoutNormals.position.x = -0.11

	let sphereWithNormals = try! sphereEntity(includeNormals: true)

Matt54 / MetalWavyPlaneView.swift

Created July 31, 2024 04:23

RealityView comparing a wave plane animation of a LowLevelMesh between a pure Swift and a Metal shader implementation

	import SwiftUI
	import RealityKit
	import Metal

	struct MetalWavyPlaneView: View {
	@State private var phase: Float = 0.0
	@State private var mesh: LowLevelMesh?
	@State private var timer: Timer?
	let resolution = 250

Matt54 / WavyPlaneView.swift

Created July 29, 2024 04:05

RealityView with a plane (modulated by a sine wave) and a point light

	import SwiftUI
	import RealityKit

	struct WavyPlaneView: View {
	@State private var phase: Float = 0.0
	@State private var mesh: LowLevelMesh?
	@State private var timer: Timer?
	let resolution = 60

	var body: some View {

Matt54 / SpotLightBoxView.swift

Last active July 21, 2024 20:06

RealityKit View showcasing a SpotLightComponent using a rotating cone inside a box with a transparent front face

	import RealityKit
	import SwiftUI

	struct SpotLightBoxView: View {
	@State private var rootEntity: Entity?
	@State private var timer: Timer?
	@State private var childEntityPosition: SIMD3<Float> = [0, 0, 0]
	@State private var childEntityTargetPosition: SIMD3<Float> = [0, 0, 0]
	@State private var childEntityMoveSpeed: Float = 0.0005
	@State private var rotationAngles: SIMD3<Float> = [0, 0, 0]

ynagatomo / RealityRendererTest.swift

Last active October 12, 2024 20:57 — forked from arthurschiller/RealityRendererTest.swift

RealityRenderer Test (visionOS)

	//
	// RealityRendererView.swift
	// RealityRendererTest
	//
	// Created by Arthur Schiller on 11.01.24.
	//

	// Change Log: by Yasuhito Nagatomo
	// - Added ImageBasedLighting, Mar 2, 2024
	// - Added Camera a rotation animation, Mar 2, 2024

drewolbrich / Entity+MoveAsync.swift

Last active November 6, 2024 00:31

An async version of RealityKit's Entity/move that returns when the animation completes

	//
	// Entity+MoveAsync.swift
	//
	// Created by Drew Olbrich on 1/15/24.
	// Copyright © 2024 Lunar Skydiving LLC. All rights reserved.
	//
	// MIT License
	//
	// Permission is hereby granted, free of charge, to any person obtaining a copy
	// of this software and associated documentation files (the "Software"), to deal

Alan Moore kahunamoore