Subversion Repositories gelsvn

Rev

Rev 10 | Rev 304 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 bj 1 
#include "Mat4x4f.h"
2 
 
5 jab 3 
namespace CGLA
4 
{
2 bj 5 
 
6 
	Mat4x4f rotation_Mat4x4f(Axis axis, float angle)
7 
	{
10 jab 8 
		Mat4x4f m(0.0f);
2 bj 9 
 
10 
		switch(axis)
11 
			{
12 
			case XAXIS:
13 
				m[0][0] = 1.0;
14 
				m[1][1] = cos(angle);
15 
				m[1][2] = sin(angle);
16 
				m[2][1] = -sin(angle);
17 
				m[2][2] = cos(angle);
18 
				m[3][3] = 1.0;
19 
				break;
20 
			case YAXIS:
21 
				m[0][0] = cos(angle);
22 
				m[0][2] = -sin(angle);
23 
				m[2][0] = sin(angle);
24 
				m[2][2] = cos(angle);
25 
				m[1][1] = 1.0;
26 
				m[3][3] = 1.0;
27 
				break;
28 
			case ZAXIS:
29 
				m[0][0] = cos(angle);
30 
				m[0][1] = sin(angle);
31 
				m[1][0] = -sin(angle);
32 
				m[1][1] = cos(angle);
33 
				m[2][2] = 1.0;
34 
				m[3][3] = 1.0;
35 
				break;
36 
			}
37 
 
38 
		return m;
39 
	}
40 
 
41 
	Mat4x4f translation_Mat4x4f(const Vec3f& v)
42 
	{
10 jab 43 
		Mat4x4f m(0.0f);
2 bj 44 
 
45 
		m[0][0] = 1.0;
46 
		m[1][1] = 1.0;
47 
		m[2][2] = 1.0;
48 
		m[3][3] = 1.0;
49 
 
50 
		m[0][3] = v[0];
51 
		m[1][3] = v[1];
52 
		m[2][3] = v[2];
53 
 
54 
		return m;
55 
	}
56 
 
57 
	Mat4x4f scaling_Mat4x4f(const Vec3f& v)
58 
	{
10 jab 59 
		Mat4x4f m(0.0f);
2 bj 60 
 
61 
		m[0][0] = v[0];
62 
		m[1][1] = v[1];
63 
		m[2][2] = v[2];
64 
		m[3][3] = 1.0;
65 
 
66 
		return m;
67 
	}
68 
}