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1 #include <string.h>
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2
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3 Matrix3x3 Matrix3x3::id = Matrix3x3(1, 0, 0, 0, 1, 0, 0, 0, 1);
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4 Matrix4x4 Matrix4x4::id = Matrix4x4(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
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5
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6 Matrix3x3::Matrix3x3()
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7 {
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8 memcpy(m, Matrix3x3::id.m, sizeof m);
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9 }
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10
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11 Matrix3x3::Matrix3x3(const float *m)
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12 {
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13 memcpy(this->m, m, sizeof this->m);
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14 }
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15
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16 Matrix3x3::Matrix3x3(float m00, float m01, float m02,
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17 float m10, float m11, float m12,
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18 float m20, float m21, float m22)
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19 {
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20 m[0][0] = m00; m[0][1] = m01; m[0][2] = m02;
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21 m[1][0] = m10; m[1][1] = m11; m[1][2] = m12;
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22 m[2][0] = m20; m[2][1] = m21; m[2][2] = m22;
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23 }
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24
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25
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26 Matrix4x4::Matrix4x4()
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27 {
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28 memcpy(m, Matrix4x4::id.m, sizeof m);
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29 }
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30
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31 Matrix4x4::Matrix4x4(const float *m)
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32 {
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33 memcpy(this->m, m, sizeof this->m);
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34 }
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35
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36 Matrix4x4::Matrix4x4(float m00, float m01, float m02, float m03,
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37 float m10, float m11, float m12, float m13,
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38 float m20, float m21, float m22, float m23,
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39 float m30, float m31, float m32, float m33)
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40 {
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41 m[0][0] = m00; m[0][1] = m01; m[0][2] = m02; m[0][3] = m03;
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42 m[1][0] = m10; m[1][1] = m11; m[1][2] = m12; m[1][3] = m13;
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43 m[2][0] = m20; m[2][1] = m21; m[2][2] = m22; m[2][3] = m23;
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44 m[3][0] = m20; m[3][1] = m21; m[3][2] = m22; m[3][3] = m23;
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45 }
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