Author

Opunundo

@opunundo

articles: 11
total claps: 27
top claps: 11
avg read: 3.9 min
active: 2025-03-04 → 2026-02-06

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#metal ·5 #computer-graphics ·3 #graphics-programming ·3 #visionos-app-development ·2 #stereoscopic ·2 #swift-programming ·2 #apple-vision-pro ·2 #avfoundation ·2 #development ·2 #swift ·2

OP Opunundo · HIPPO TechBlog

HIPPO는 Vision Pro에서 3D내시경 영상을 어떻게 출력하나요?

*이해를 위해 구조를 단순화한 설명입니다. 여기서는 핵심 흐름만 다루었기 때문에. 실제구현 시 추가 고려 사항이 존재합니다.

Dec 01, 2025 · 12 min read · 11 claps #apple-vision-pro #stereoscopic #avfoundation

HIPPO는 Vision Pro에서 3D내시경 영상을 어떻게 출력하나요?

SPT HUM MDA TCH

OP Opunundo

The Basic Functions of Animation in SwiftUI

CS193p Lecture 7— My Own Summary

Mar 04, 2025 · 4 min read · 11 claps #swiftui #swift-animation #learning-and-development

The Basic Functions of Animation in SwiftUI

DSN ECO

OP Opunundo

Converting side-by-side 3D video to multiview HEVC and spatial video

Long time no see. Recently, I’ve been developing a VisionOs app that displays stereo video. I’d like to share what I’ve learned from…

Oct 11, 2025 · 8 min read · 1 claps #visionos-app-development #3d-video #stereoscopic

Converting side-by-side 3D video to multiview HEVC and spatial video

DSN

OP Opunundo · HIPPO TechBlog

Displaying video from connected devices

The English version is provided below. On a website, you could click this link to jump to that section automatically.

Nov 05, 2025 · 6 min read · 1 claps #apple-vision-pro #visionos #visionos-app-development

LIF TCH

OP Opunundo

When a texture come out distorted in Metal

Resource: Thirty Days of Metal — Day 16. This post is records an error caused by a mistake made during a Metal graphics exercise.

Jan 29, 2026 · 3 min read · 1 claps #metal #graphics-programming #swift-programming

When a texture come out distorted in Metal

TCH

OP Opunundo

Parts I got stuck on Thirty Days of Metal — Day 11: Meshes

This post records the points where a graphics beginner got stuck while working through Warren Moore’s Thirty Days of Metal — Day 11…

Jan 26, 2026 · 2 min read · 1 claps #metal #computer-graphics #swift

Parts I got stuck on Thirty Days of Metal — Day 11: Meshes

TCH

OP Opunundo

When a 3D mesh renders flat

I followed Warren Moore’s post Thirty Days of Metal — Day 15: Hierarchy and implemented the code, producing the following result.

Jan 28, 2026 · 1 min read · 1 claps #metal #swift #graphics-programming

OP Opunundo

How does a computer actually draw a line?

When using programs like Rhino3D or CAD, you may have wondered how they actually display lines on a monitor. This is because such programs…

Jan 16, 2026 · 3 min read · 0 claps #computer-graphics #rhino-3d #cad

How does a computer actually draw a line?

OP Opunundo

When loading an OBJ file using MDLAsset in Metal, the texture is missing

Resource: Thiry Days of Metal — Day 17: Assets.

Jan 30, 2026 · 2 min read · 0 claps #texture #computer-graphics #metal

When loading an OBJ file using MDLAsset in Metal, the texture is missing

LIF

OP Opunundo

When a runtime error occurs while applying a stencil buffer

This post describes a troubleshooting case by a non-expert who encountered a runtime error while following the code exercises from Thirty…

Jan 27, 2026 · 1 min read · 0 claps

When a runtime error occurs while applying a stencil buffer

SPT TCH

OP Opunundo

failed assertion `Set Vertex Buffer Offset Validation invalid usage because encoding has ended.

This error usually occurs when renderCommandEncoder.endEncoding() is placed incorrectly. In Metal, endEncoding() must be calledd exactly…

Feb 06, 2026 · 1 min read · 0 claps #metal #graphics-programming #swift-programming