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Code cleanup, restructuring. code comments

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This commit is contained in:
Sascha Willems 2024-01-08 19:04:03 +01:00
parent 6740aae4d9
commit 11bef52edc
5 changed files with 176 additions and 404 deletions
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9
shaders/hlsl/computenbody/particle_calculate.comp
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@ -1,4 +1,5 @@
// Copyright 2020 Google LLC
// Copyright 2023 Sascha Willems
struct Particle
{
@ -13,6 +14,9 @@ struct UBO
{
float deltaT;
int particleCount;
float gravity;
float power;
float soften;
};
cbuffer ubo : register(b1) { UBO ubo; }
@ -55,7 +59,7 @@ void main(uint3 GlobalInvocationID : SV_DispatchThreadID, uint3 LocalInvocationI
{
float4 other = sharedData[j];
float3 len = other.xyz - position.xyz;
acceleration.xyz += GRAVITY * len * other.w / pow(dot(len, len) + SOFTEN, POWER);
acceleration.xyz += ubo.gravity * len * other.w / pow(dot(len, len) + ubo.soften, ubo.power);
}
GroupMemoryBarrierWithGroupSync();
@ -65,6 +69,7 @@ void main(uint3 GlobalInvocationID : SV_DispatchThreadID, uint3 LocalInvocationI
// Gradient texture position
particles[index].vel.w += 0.1 * ubo.deltaT;
if (particles[index].vel.w > 1.0)
if (particles[index].vel.w > 1.0) {
particles[index].vel.w -= 1.0;
}
}