zvodd’s gists

zvodd / havok_wasm_physics_sim.ts

Last active November 3, 2024 04:25

Do physics sim asynchronously / not locked to renderer. Absolutely borked way to use havok_wasm.

	import HavokPhysics, {
	HavokPhysicsWithBindings,
	Result, HP_ShapeId
	} from "@babylonjs/havok";

	// Global variable to store the initialized Havok physics engine
	globalThis['HK'] = (await HavokPhysics()) as HavokPhysicsWithBindings;
	const HK : HavokPhysicsWithBindings = globalThis.HK;

	// Define helper functions for common physics types (Vector3, Quaternion, etc.)

zvodd / GridVertexSnap.py

Created October 12, 2024 03:39

Blender Operator + Panel: Snaps selected vertices to virtual 3d grid.

	import bpy
	import bmesh
	from mathutils import Vector
	from bpy.props import BoolProperty, FloatVectorProperty
	from bpy.types import Operator, Panel, PropertyGroup


	#######################
	# Props
	#######################

zvodd / loadenv.bat

Last active October 3, 2024 15:23

load a dotenv file in windows cmd line - doesn't support values containing `=`

	@echo off
	if "%~1"=="" (
	set "ENV_FILE=%CD%\.env"
	) else (
	set "ENV_FILE=%~1"
	)

	if not exist "%ENV_FILE%" (
	echo Error: %ENV_FILE% file not found
	exit /b 1

zvodd / 3d-graphics-spaces-and-matrices.md

Last active September 9, 2024 09:50

3D Spaces and Matrices in Godot 4 Shaders

Vertex and Fragment Function Spaces

zvodd / geom_node_instance_positions.py

Last active September 8, 2024 19:35

Blender 4 instance enumeration - Including unrealized Geometry Node generated instances.

	import bpy

	# https://docs.blender.org/api/current/bpy.types.Depsgraph.html
	# https://docs.blender.org/api/current/bpy.types.DepsgraphObjectInstance.html

	def report_instances(obj):
	"""
	Reports the instances under an object in the Blender scene.
	Including unrealized Geometry Node generated instances.

zvodd / gallery_overlay_modal.py

Last active September 4, 2024 16:21

Blender 4 Image Gallery Overlay

	import bpy
	import gpu
	from gpu_extras.batch import batch_for_shader
	import mathutils
	import math

	# from pprint import pprint ###DEBUG

	class ImageGalleryOverlay(bpy.types.Operator):
	bl_idname = "image.image_gallery_overlay"

zvodd / vFacePaint.py

Last active July 26, 2024 20:20

Blender Vertex Face Brush [tested in 3.6]

	#
	# Add a tool to vertex paint mode that paints by FACE
	#

	import bpy
	import bmesh
	from mathutils import Vector
	from bpy.types import WorkSpaceTool
	from bl_ui.space_toolsystem_common import ToolDef
	from bpy_extras import view3d_utils

zvodd / synth_sound_demo.py

Last active March 3, 2024 02:15

pygame, pyaudio, additive "synth" demo with bandpass filter.

zvodd / wave_combiner.py

Created February 24, 2023 10:18

pygame + pyaudio "synth": wave generation inspection and filtering

zvodd / spiralout.py

Created February 23, 2023 07:34

pygame spiral markov chain pixels