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- skycube example - added fatal_log - changed the dataset to keep the whole path while searching for data files
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 17 Nov 2013 03:22:40 +0200
parents
children 7d6b667821cf
line source
1 #ifndef CURVE_H_
2 #define CURVE_H_
3
4 #include <string>
5 #include <vector>
6 #include "vmath/vmath.h"
7 #include "mesh.h"
8
9 class Curve {
10 private:
11 std::string name;
12
13 std::vector<Vector3> cv;
14 float thickness;
15
16 int segm_subdiv, ring_subdiv;
17
18 /// normalized arc-lengths of each control vertex from the beginning
19 mutable std::vector<float> length;
20 mutable bool lengths_valid;
21
22 mutable Vector3 bbmin, bbmax;
23 mutable bool bbox_valid;
24
25 mutable Mesh mesh;
26 mutable bool mesh_valid;
27
28 float reparametrize(float t) const;
29
30 void calc_cvlengths() const;
31 void update_mesh() const;
32
33 public:
34 Curve();
35 Curve(const Vector3 *points, int num_points);
36 Curve(const Vector2 *points, int num_points);
37
38 void set_name(const char *name);
39 const char *get_name() const;
40
41 bool empty() const;
42
43 void set_thickness(float thickness);
44 void set_subdiv(int seg, int ring);
45
46 void clear();
47 void add_point(const Vector3 &pt);
48 Vector3 &get_point(int idx);
49 const Vector3 &get_point(int idx) const;
50 int get_count() const;
51
52 Vector3 &operator[] (int idx);
53 const Vector3 &operator[] (int idx) const;
54
55 void get_bbox(Vector3 *bbmin, Vector3 *bbmax) const;
56 void normalize();
57
58 Vector3 get_pos(float t) const;
59 Vector3 operator() (float t) const;
60
61 void draw() const;
62 };
63
64 #endif // CURVE_H_