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Matrix.h
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1 /* Copyright (c) 2014-2017, ARM Limited and Contributors
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20 
21 #ifndef MATRIX_H
22 #define MATRIX_H
23 
24 #include "VectorTypes.h"
25 
26 namespace MaliSDK
27 {
31  class Matrix
32  {
33  private:
38  float elements[16];
39 
48  static Matrix multiply(Matrix *left, Matrix *right);
49 
53  static const float identityArray[];
54  public:
60  float* getAsArray(void);
61 
65  Matrix(void);
66 
74  float& operator[] (unsigned element);
75 
83  Matrix operator* (Matrix right);
84 
88  Matrix& operator=(const Matrix &another);
89 
95  Matrix(const float* array);
96 
102  static Matrix identityMatrix;
103 
112  static Vec4f vertexTransform(Vec4f *vector, Matrix *matrix);
113 
122  static Vec3f vertexTransform(Vec3f *vector, Matrix *matrix);
123 
128  static void matrixTranspose(Matrix *matrix);
129 
130 
138  static Matrix createRotationX(float angle);
139 
147  static Matrix createRotationY(float angle);
148 
156  static Matrix createRotationZ(float angle);
157 
167  static Matrix createTranslation(float x, float y, float z);
168 
178  static Matrix createScaling(float x, float y, float z);
179 
183  void print(void);
184 
196  static Matrix matrixPerspective(float FOV, float ratio, float zNear, float zFar);
197 
207  static Matrix matrixCameraLookAt(Vec3f eye, Vec3f center, Vec3f up);
208 
223  static Matrix matrixOrthographic(float left, float right, float bottom, float top, float zNear, float zFar);
224 
230  static Matrix matrixInvert(Matrix *matrix);
231 
240  static float matrixDeterminant(float *matrix);
241 
249  static float matrixDeterminant(Matrix *matrix);
250 
259  static Matrix matrixScale(Matrix *matrix, float scale);
260  };
261 }
262 #endif /* MATRIX_H */
void print(void)
Print the matrix.
Definition: Matrix.cpp:614
float & operator[](unsigned element)
Array operator for accessing the elements of the matrix.
Definition: Matrix.cpp:53
Matrix operator*(Matrix right)
Multiply operator to post multiply a matrix by another.
Definition: Matrix.cpp:63
static Matrix identityMatrix
The identity matrix.
Definition: Matrix.h:90
Matrix(void)
Default constructor.
Definition: Matrix.cpp:49
static const float identityArray[]
A 4x4 identity Matrix;.
Definition: Matrix.h:50
static Matrix matrixInvert(Matrix *matrix)
Get the inverse of a matrix.
Definition: Matrix.cpp:155
static Matrix createTranslation(float x, float y, float z)
Create and return a translation matrix.
Definition: Matrix.cpp:414
static Matrix matrixOrthographic(float left, float right, float bottom, float top, float zNear, float zFar)
Create and return an orthographic projection matrix.
Definition: Matrix.cpp:483
static Matrix createScaling(float x, float y, float z)
Create and return a scaling matrix.
Definition: Matrix.cpp:403
static Matrix matrixPerspective(float FOV, float ratio, float zNear, float zFar)
Create and return a perspective projection matrix.
Definition: Matrix.cpp:425
float angle
Definition: Native.cpp:158
float * getAsArray(void)
Get the matrix elements as a column major order array.
Definition: Matrix.cpp:78
static Matrix matrixCameraLookAt(Vec3f eye, Vec3f center, Vec3f up)
Create and return a camera matrix.
Definition: Matrix.cpp:441
static Vec4f vertexTransform(Vec4f *vector, Matrix *matrix)
Transform a 4D vertex by a matrix.
Definition: Matrix.cpp:559
Matrix scale
Definition: RotoZoom.cpp:64
static Matrix createRotationY(float angle)
Create and return a rotation matrix around the y-axis matrix.
Definition: Matrix.cpp:511
static Matrix createRotationZ(float angle)
Create and return a rotation matrix around the z-axis matrix.
Definition: Matrix.cpp:523
static float matrixDeterminant(float *matrix)
Calculate determinant of supplied 3x3 matrix.
Definition: Matrix.cpp:83
static void matrixTranspose(Matrix *matrix)
Transpose a matrix in-place.
Definition: Matrix.cpp:374
GLint GLint GLint GLint GLint x
Definition: gl2ext.h:574
static Matrix multiply(Matrix *left, Matrix *right)
Multiply 2 matrices to return a third.
Definition: Matrix.cpp:535
Vector types.
Matrix & operator=(const Matrix &another)
Overloading assingment operater to do deep copy of the Matrix elements.
Definition: Matrix.cpp:68
GLint left
Definition: gl2ext.h:2704
float elements[16]
A 16 element floating point array used to represent a 4x4 matrix.
Definition: Matrix.h:38
static Matrix createRotationX(float angle)
Create and return a rotation matrix around the x-axis matrix.
Definition: Matrix.cpp:499
GLint y
Definition: gl2ext.h:179
static Matrix matrixScale(Matrix *matrix, float scale)
Scale each element in a matrix by a constant.
Definition: Matrix.cpp:362
GLint GLint bottom
Definition: gl2ext.h:2704