kugimasa

using UnityEngine;

public class CircularMotionXY: MonoBehaviour
{
    [SerializeField, Range(0, 1000)] private float _Speed;
    [SerializeField, Range(1, 100)] private float _Radius;
    [SerializeField] private Transform _Center;
    private float _theta = 0.0f;
    
    void Update()

kugimasa

Shader "Custom/RaymarchingSample"
{
    Properties
    {
        [KeywordEnum(WORLD, OBJECT)] _Coordinate ("Coordinate", int) = 0
        [KeywordEnum(SPHERE, TORUS)] _Object ("Object", int) = 0
        _MainTex ("Texture", 2D) = "white" {}
        _MaxStep ("Max Step" , int) = 100
        _MaxDist ("Max Ray Distance", int) = 1000
        _SurfDist ("Surface Distance", float) = 0.01

kugimasa

import numpy as np

def uniform_hemisphere():
  # Sampling 2 random numbers
  u_1 = np.random.rand()
  u_2 = np.random.rand()
  # Angles
  phi = 2 * np.pi * u_1
  theta = np.pi / 2 * u_2
  

kugimasa

import numpy as np

def cosine_lobe(N):
    # Sampling 2 random numbers
    u_1 = np.random.rand()
    u_2 = 1.0 - np.random.rand()
    # angles
    phi = 2 * np.pi * u_1
    theta  = np.arccos(np.power(u_2, 1/(N+1)))