From b8d4a815453acac752c6fb3c56d047e39a76fd05 Mon Sep 17 00:00:00 2001 From: skal Date: Sat, 14 Feb 2026 19:05:34 +0100 Subject: feat(gpu): add SDF camera infrastructure and effect base class Add unified camera system for SDF raymarching effects: - CameraParams struct (80 bytes): inv_view matrix + FOV/near/far/aspect - SDFEffect base class: manages camera uniform, provides update_camera() helpers - camera_common.wgsl: getCameraRay(), position/forward/up/right extractors - SDFTestEffect: working example with orbiting camera + animated sphere Refactor effect headers: - Extract class definitions from demo_effects.h to individual .h files - Update includes in .cc files to use specific headers - Cleaner compilation dependencies, faster incremental builds Documentation: - Add SDF_EFFECT_GUIDE.md with complete workflow - Update ARCHITECTURE.md, UNIFORM_BUFFER_GUIDELINES.md - Update EFFECT_WORKFLOW.md, CONTRIBUTING.md Tests: 34/34 passing, SDFTestEffect validated Co-Authored-By: Claude Sonnet 4.5 --- src/effects/particle_defs.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 src/effects/particle_defs.h (limited to 'src/effects/particle_defs.h') diff --git a/src/effects/particle_defs.h b/src/effects/particle_defs.h new file mode 100644 index 0000000..dcbb830 --- /dev/null +++ b/src/effects/particle_defs.h @@ -0,0 +1,13 @@ +// This file is part of the 64k demo project. +// It defines common structures for particle-based effects. + +#pragma once + +static const int NUM_PARTICLES = 10000; + +struct Particle { + float pos[4]; + float vel[4]; + float rot[4]; + float color[4]; +}; -- cgit v1.2.3