source: cpp/frams/_demos/part_shapes.cpp @ 286

Last change on this file since 286 was 286, checked in by Maciej Komosinski, 5 years ago

Updated headers

  • Property svn:eol-style set to native
File size: 2.0 KB
Line 
1// This file is a part of Framsticks SDK.  http://www.framsticks.com/
2// Copyright (C) 1999-2015  Maciej Komosinski and Szymon Ulatowski.
3// See LICENSE.txt for details.
4
5#include <stdio.h>
6#include <frams/model/model.h>
7#include <frams/model/modelparts.h>
8
9int main()
10{
11        Model m;
12        Part *p1, *p2;
13        Joint *j;
14
15        m.open();
16
17        // chain of ellipsoids - subsequent parts are placed relative to the previous part's orientation and location
18        p1 = m.addNewPart(Part::SHAPE_ELLIPSOID); //initial part
19        p1->scale = Pt3D(1.0, 0.7, 0.4);
20
21        Orient rotation = Orient_1; //must be initialized explicitly because the default Orient constructor does not initialize anything
22        rotation.rotate(Pt3D(0.1, 0.2, 0.3));
23
24        for (int N = 10; N > 0; N--, p1 = p2)
25        {
26                p2 = m.addNewPart(Part::SHAPE_ELLIPSOID);
27                p2->scale = p1->scale*0.9; //each part is smaller than its predecessor
28
29                Pt3D advance(p1->scale.x, 0, 0); //advance by previous part's ellipsoid x radius
30                p2->p = p1->p + p1->o.transform(advance); //advance vector transformed by p1's orientation (i.e., in p1's local coordinates)
31                p2->setOrient(p1->o.transform(rotation)); //rotation transformed by p1's orientation
32
33                m.addNewJoint(p1, p2, Joint::SHAPE_SOLID); //all parts must be connected
34        }
35
36        // 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)
37        Pt3D prev, next;
38        p1 = m.getPart(0);
39        for (float a = 0; a<M_PI; a += M_PI / 10)
40        {
41                Pt3D next(2 - 2 * cos(a), 0, 2 * sin(a));
42                if (a>0)
43                {
44                        p2 = m.addNewPart(Part::SHAPE_CYLINDER);
45                        p2->setPositionAndRotationFromAxis(prev, next);
46                        p2->scale = Pt3D(prev.distanceTo(next)*0.5, 0.05, 0.05);// distance*0.5 because scale is "radius", not cylinder length
47
48                        m.addNewJoint(p1, p2, Joint::SHAPE_SOLID); //all parts must be connected
49                }
50                p1 = p2;
51                prev = next;
52        }
53
54        m.close();
55        puts((const char*)m.getF0Geno().toString());
56        // the genotype can be fed directly to the genotype viewer, like this:
57        // part_shapes | theater -g -
58}
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