GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Add Position (Global SDF) particle module

Browse Source
This commit is contained in:
Wojciech Figat
2022-03-28 10:27:33 +02:00
parent f608d2537f
commit bcc4a2c0a4
4 changed files with 43 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
Source/Engine/Particles/Graph/CPU/ParticleEmitterGraph.CPU.ParticleModules.cpp
View File

@@ -1204,6 +1204,12 @@ void ParticleEmitterGraphCPUExecutor::ProcessModule(ParticleEmitterGraphCPUNode*
#undef LOGIC
break;
}
// Position (Global SDF)
case 215:
{
// Not supported
break;
}
// Helper macros for collision modules to share the code
#define COLLISION_BEGIN() \

21
Source/Engine/Particles/Graph/GPU/ParticleEmitterGraph.GPU.ParticleModules.cpp
View File

@@ -610,6 +610,27 @@ void ParticleEmitterGPUGenerator::ProcessModule(Node* node)
), positionAttr.Value, velocityAttr.Value, center.Value, rotationSpeed.Value, velocityScale.Value, customDataOffset);
break;
}
// Position (Global SDF)
case 215:
{
auto position = AccessParticleAttribute(node, nodeGpu->Attributes[0], AccessMode::ReadWrite);
auto param = findOrAddGlobalSDF();
String wsPos = position.Value;
if (((ParticleEmitterGraphGPU*)_graphStack.Peek())->SimulationSpace == ParticlesSimulationSpace::Local)
wsPos = String::Format(TEXT("mul(float4({0}, 1), WorldMatrix).xyz"), wsPos);
_includes.Add(TEXT("./Flax/GlobalSignDistanceField.hlsl"));
_writer.Write(
TEXT(
" {{\n"
" // Position (Global SDF)\n"
" float3 wsPos = {2};\n"
" float dist;\n"
" float3 dir = -normalize(SampleGlobalSDFGradient({1}, {1}_Tex, wsPos, dist));\n"
" {0} += dir * dist;\n"
" }}\n"
), position.Value, param.ShaderName, wsPos);
break;
}
// Helper macros for collision modules to share the code
#define COLLISION_BEGIN() \

3
Source/Engine/Particles/Graph/ParticleEmitterGraph.h
View File

@@ -355,7 +355,7 @@ public:
USE_ATTRIBUTE(Mass, Float, 2);
break;
}
// Position (plane/box surface/box volume/cylinder/line/sphere/circle/disc/torus)
// Position (plane/box surface/box volume/cylinder/line/sphere/circle/disc/torus/Global SDF)
case GRAPH_NODE_MAKE_TYPE(15, 202):
case GRAPH_NODE_MAKE_TYPE(15, 203):
case GRAPH_NODE_MAKE_TYPE(15, 204):
@@ -366,6 +366,7 @@ public:
case GRAPH_NODE_MAKE_TYPE(15, 209):
case GRAPH_NODE_MAKE_TYPE(15, 210):
case GRAPH_NODE_MAKE_TYPE(15, 211):
case GRAPH_NODE_MAKE_TYPE(15, 215):
{
USE_ATTRIBUTE(Position, Vector3, 0);
break;