Files
2026-07-13 13:13:17 +08:00

28 lines
641 B
HLSL

#include "shared/hash-functions.hlsl"
#include "shared/noise-functions.hlsl"
#include "shared/point.hlsl"
#include "shared/quat-functions.hlsl"
cbuffer Params : register(b0)
{
float3 Direction;
float Amount;
float RandomAmount;
float SpeedFactor;
}
RWStructuredBuffer<Particle> Particles : u0;
[numthreads(64, 1, 1)] void main(uint3 i : SV_DispatchThreadID)
{
uint maxParticleCount, _;
Particles.GetDimensions(maxParticleCount, _);
if (i.x >= maxParticleCount)
return;
float3 offset = Direction * Amount * (1 + hash11(i.x) * RandomAmount) * SpeedFactor;
Particles[i.x].Velocity += offset;
}