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This extension is a geometry modifier. It loads a particle file, or reads particles stored internally and creates instances of the selected geometry at the particles positions.
Example of how to create a MaxwellCloner object, add a uv channel, set its custom type to "Density" and enable loading the particle densities arraymodifier, and apply it to an already existing object in the scene.
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CextensionManager* extensionManager = CextensionManager::instance(); CgeometryModifierExtension* geomModifExtension = extensionManager->createGeometryModifierExtension( "MaxwellCloner" ); //Get the extension container. When using this method of getting the container, //nearly all parameters have default values, and there is no need to explicitly set them. MXparamList* clonerParams = geomModifExtension->getExtensionData(); //Fill the required data char* filename = "/home/rocco/Emitter01_00023.bin"; clonerParams->setString( "FileName", filename ); //Get the object we want to clone Cmaxwell::Cobject mxObject = scene->getObject( "MyGeometry" ); isOk = mxObject.applyGeometryModifierExtension( clonerParams ); |
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Name | Type | Description |
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char* | Particles filename | |
float | Particle radius multiplier | |
float | Motion blur multiplier | |
float | Camera shutterspeed | |
| "Load particles %" | float | Percentage of particles to load |
| " Start offset" | unsigned int | Skip some particles before loading |
| "Create N particles per particle" | unsigned int | Enables Multipoint feature if N > 0 |
| "Extra particles dispersion" | float | Dispersion of the extra particles cloud |
| "Extra particles deformation" | float | Deformation of the extra particles cloud |
| "Use velocity" | byte | Use the velocity vector to as Y axis of the instance |
| "Scale with particle radius" | byte | Scale instances with particle radius |
| "PARTICLE_POSITIONS" | float* | Array of particle positions |
| "PARTICLE_SPEEDS" | float* | Array of particle speeds |
| "PARTICLE_RADII" | float* | Array of particle radii |
| "PARTICLE_IDS" | int* | Array of particleID's |
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float deformation = 1.1f; extParam->setFloat( "Extra particles deformation", deformation ); |
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Use velocity"
Use the particle velocity vector as the Y (up) axis of the instanced geometry.
Example:
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byte useVel = 1;
extParam->setByte( "Use velocity", useVel ); |
"Scale with particle radius"
Scale the instanced geometry with the particle radius.
Example:
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byte loadArrayuseRad = 1; extParam->setByte( "LoadScale with particle Viscosityradius", loadArrayuseRad ); |
"Min Force" "Max Force" "Min Vorticity" "Max Vorticity" "Min Nneighbors" "Max Nneighbors" "Min Age" "Max Age" "Min Isolation Time" "Max Isolation Time" "Min Viscosity" "Max Viscosity" "Min Density" "Max Density" "Min Pressure" "Max Pressure" "Min Mass" "Max Mass" "Min Temperature" "Max Temperature"
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"PARTICLE_POSITIONS"
Particle data can come whether in a file or internally stored in the .mxs file. If a filename is not supplied, the extension checks for internal data, and if successful, loads it. This parameter is a linear array of floats x0 y0 z0 x1 y1 z1 x2 y2 z2 x3 y3 z3 x4 y4 z4 ...., its length is 3*numberOfParticles.
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