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The Wisdom of Quinn

Informative DevForum posts from everyone's favorite DTS member.

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pixelsnafu

Volumetric Clouds Resources List

1. A. Schneider, "Real-Time Volumetric Cloudscapes," in GPU Pro 7: Advanced Rendering Techniques, 2016, pp. 97-127. (Follow up presentations here, and here.)

2. S. Hillaire, "Physically Based Sky, Atmosphere and Cloud Rendering in Frostbite" in Physically Based Shading in Theory and Practice course, SIGGRAPH 2016. [video] [course notes] [scatter integral shadertoy]

3. [R. Högfeldt, "Convincing Cloud Rendering – An Implementation of Real-Time Dynamic Volumetric Clouds in Frostbite"](https://odr.chalmers.se/hand

douglashill

// A minimal iOS app set up entirely in code using Objective-C rather than using a storyboard and UIApplicationSceneManifest in the Info.plist.
// Last updated for iOS 18.
// Swift version: https://gist.github.com/douglashill/b8125f7e2336b6a47461df0d4898f64d

@import UIKit;

@interface SceneDelegate : UIResponder <UIWindowSceneDelegate>
@end

@implementation SceneDelegate

castano

#include "hemicube.h"

#define PACK_HEMICUBES 1


static void get_hemicube_face_normal(int index, Vector3 *forward, Vector3 *left, Vector3 *up) {
    // Unwrapped hemicube with positive-Z in the middle.
    switch (index) {
        case 0: *forward = Vector3(+1,  0,  0); *left = Vector3( 0,  1,  0); break;