1 | /* |
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2 | |
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3 | Brian Curless |
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4 | |
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5 | Computer Graphics Laboratory |
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6 | Stanford University |
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7 | |
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8 | --------------------------------------------------------------------- |
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9 | |
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10 | Copyright (1997) The Board of Trustees of the Leland Stanford Junior |
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11 | University. Except for commercial resale, lease, license or other |
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12 | commercial transactions, permission is hereby given to use, copy, |
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13 | modify this software for academic purposes only. No part of this |
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14 | software or any derivatives thereof may be used in the production of |
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15 | computer models for resale or for use in a commercial |
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16 | product. STANFORD MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND |
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17 | CONCERNING THIS SOFTWARE. No support is implied or provided. |
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18 | |
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19 | */ |
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20 | |
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21 | |
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22 | #ifndef _MATRIX4F_ |
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23 | #define _MATRIX4F_ |
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24 | |
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25 | #include "Vec3f.h" |
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26 | #include "Matrix3f.h" |
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27 | #include "defines.h" |
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28 | |
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29 | class Matrix4f { |
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30 | public: |
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31 | float m[4][4]; |
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32 | |
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33 | Matrix4f() {} |
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34 | Matrix4f(const Matrix4f &a) {setValue(a);} |
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35 | Matrix4f(float a[][4]) {setValue(a);} |
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36 | Matrix4f(float *a0, float *a1, float *a2, float *a3) |
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37 | {setValue(a0, a1, a2, a3);} |
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38 | Matrix4f(float a00, float a01, float a02, float a03, |
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39 | float a10, float a11, float a12, float a13, |
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40 | float a20, float a21, float a22, float a23, |
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41 | float a30, float a31, float a32, float a33) |
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42 | { setValue(a00, a01, a02, a03, |
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43 | a10, a11, a12, a13, |
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44 | a20, a21, a22, a23, |
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45 | a30, a31, a32, a33); } |
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46 | |
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47 | void clear() {setValue(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);} |
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48 | void setValue(const Matrix4f &a); |
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49 | void setValue(float a[][4]); |
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50 | void setValue(float *a0, float *a1, float *a2, float *a3); |
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51 | void setValue(float a00, float a01, float a02, float a03, |
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52 | float a10, float a11, float a12, float a13, |
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53 | float a20, float a21, float a22, float a23, |
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54 | float a30, float a31, float a32, float a33); |
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55 | void setValue(float *a); |
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56 | void getValue(float *a); |
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57 | void multVec(const Vec3f &src, Vec3f &dst); |
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58 | void multVecHomog(const Vec3f &src, Vec3f &dst); |
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59 | void multDir(const Vec3f &src, Vec3f &dst); |
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60 | float elem(int i, int j) {return m[i][j];} |
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61 | void setElem(int i, int j, float val) {m[i][j] = val;} |
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62 | void makeIdentity(); |
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63 | Matrix4f & multRight(const Matrix4f &m); |
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64 | Matrix4f & multLeft(const Matrix4f &m); |
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65 | Matrix4f & multLeft(const Matrix3f &a); |
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66 | void setScale(float s); |
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67 | void setScale(float sx, float sy, float sz); |
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68 | void setScale(const Vec3f &s); |
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69 | void setRotateX(float theta); |
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70 | void setRotateY(float theta); |
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71 | void setRotateZ(float theta); |
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72 | void setTranslate(Vec3f t); |
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73 | void setTranslate(float tx, float ty, float tz); |
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74 | void scale(float s); |
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75 | void scale(float sx, float sy, float sz); |
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76 | void scale(const Vec3f &s); |
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77 | void rotateX(float theta); |
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78 | void rotateY(float theta); |
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79 | void rotateZ(float theta); |
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80 | void translate(Vec3f t); |
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81 | void translate(float tx, float ty, float tz); |
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82 | Matrix4f inverse() const; |
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83 | void transpose(); |
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84 | //void freeNR(float **in) const; |
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85 | //void toNR(Matrix4f &in, float **nrmat) const; |
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86 | int operator==(const Matrix4f &); |
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87 | int operator!=(const Matrix4f &); |
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88 | void print(); |
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89 | void write(FILE *fp); |
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90 | void read(FILE *fp); |
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91 | /* |
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92 | Matrix4f & operator *=(const Matrix4f &m); |
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93 | friend Matrix4f operator *(const Matrix4f &m1, const Matrix4f &m2); |
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94 | */ |
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95 | }; |
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96 | |
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97 | #endif |
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