elbeem_control.h

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/******************************************************************************
 *
 * El'Beem - Free Surface Fluid Simulation with the Lattice Boltzmann Method
 * All code distributed as part of El'Beem is covered by the version 2 of the 
 * GNU General Public License. See the file COPYING for details.
 * Copyright 2003-2006 Nils Thuerey
 *
 * Control API header
 */
#ifndef ELBEEMCONTROL_API_H
#define ELBEEMCONTROL_API_H

// a single control particle set
typedef struct elbeemControl {
    /* influence forces */
    float influenceAttraction;
    float *channelInfluenceAttraction;
    float channelSizeInfluenceAttraction;

    float influenceVelocity;
    float *channelInfluenceVelocity;
    float channelSizeInfluenceVelocity;

    float influenceMaxdist;
    float *channelInfluenceMaxdist;
    float channelSizeInfluenceMaxdist;

    /* influence force radii */
    float radiusAttraction;
    float *channelRadiusAttraction;
    float channelSizeRadiusAttraction;

    float radiusVelocity;
    float *channelRadiusVelocity;
    float channelSizeRadiusVelocity;

    float radiusMindist;
    float *channelRadiusMindist;
    float channelSizeRadiusMindist;
    float radiusMaxdist;
    float *channelRadiusMaxdist;
    float channelSizeRadiusMaxdist;

    /* control particle positions/scale */
    float offset[3];
    float *channelOffset;
    float channelSizeOffset;
    
    float scale[3];
    float *channelScale;
    float channelSizeScale;
    
} elbeemControl;


// add mesh as fluidsim object
int elbeemControlAddSet(struct elbeemControl*);

// sample & track mesh control particles, TODO add return type...
int elbeemControlComputeMesh(struct elbeemMesh*);

#endif // ELBEEMCONTROL_API_H