1 | #include <stdio.h> |
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2 | #include <frams/model/model.h> |
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3 | #include <frams/model/modelparts.h> |
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4 | |
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5 | int main() |
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6 | { |
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7 | Model *m=new Model; |
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8 | Part *p1,*p2; |
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9 | Joint *j; |
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10 | |
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11 | m->open(); |
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12 | |
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13 | // chain of ellipsoids - subsequent parts are placed relative to the previous part's orientation and location |
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14 | p1=m->addNewPart(Part::SHAPE_ELLIPSOID); //initial part |
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15 | p1->scale=Pt3D(1.0,0.7,0.4); |
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16 | |
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17 | Orient rotation=Orient_1; //must be initialized explicitly because the default Orient constructor does not initialize anything |
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18 | rotation.rotate(Pt3D(0.1,0.2,0.3)); |
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19 | |
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20 | for(int N=10;N>0;N--,p1=p2) |
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21 | { |
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22 | p2=m->addNewPart(Part::SHAPE_ELLIPSOID); |
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23 | p2->scale=p1->scale*0.9; //each part is smaller than its predecessor |
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24 | |
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25 | Pt3D advance(p1->scale.x,0,0); //advance by previous part's ellipsoid x radius |
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26 | p2->p = p1->p + p1->o.transform(advance); //advance vector transformed by p1 orientation == in p1 local coordinates |
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27 | p2->setOrient(p1->o.transform(rotation)); //rotation transformed by p1 orientation |
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28 | |
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29 | m->addNewJoint(p1,p2,Joint::SHAPE_SOLID); //all parts must be connected |
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30 | } |
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31 | |
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32 | // chain of cyllinders - line segments between points calculated from the parametric formula P(a)=(2-2*cos(a),2*sin(a)) (circle with r=2) |
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33 | Pt3D prev,next; |
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34 | p1=m->getPart(0); |
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35 | for(float a=0;a<M_PI;a+=M_PI/10) |
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36 | { |
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37 | Pt3D next(2-2*cos(a),0,2*sin(a)); |
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38 | if (a>0) |
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39 | { |
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40 | p2=m->addNewPart(Part::SHAPE_CYLINDER); |
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41 | p2->setPositionAndRotationFromAxis(prev,next); |
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42 | p2->scale=Pt3D(prev.distanceTo(next)*0.5,0.05,0.05);// distance*0.5 because scale is "radius", not cylinder length |
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43 | |
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44 | m->addNewJoint(p1,p2,Joint::SHAPE_SOLID); //all parts must be connected |
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45 | } |
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46 | p1=p2; |
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47 | prev=next; |
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48 | } |
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49 | |
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50 | m->close(); |
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51 | puts((const char*)m->getF0Geno().toString()); |
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52 | // the genotype can be fed directly to the genotype viewer, like this: |
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53 | // part_shapes | theater -g -vpart_shapes - |
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54 | } |
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