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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 namespace MaliSDK
25 {
29  class Matrix
30  {
31  private:
36  float elements[16];
37 
45  static Matrix multiply(Matrix *left, Matrix *right);
46 
50  static const float identityArray[];
51  public:
56  float* getAsArray(void);
57 
61  Matrix(void);
62 
68  float& operator[] (unsigned element);
69 
75  Matrix operator* (Matrix right);
76 
80  Matrix& operator=(const Matrix &another);
81 
86  Matrix(const float* array);
87 
93  static Matrix identityMatrix;
94 
102  static Matrix createTranslation(float x, float y, float z);
103 
111  static Matrix createScaling(float x, float y, float z);
112 
122  static Matrix matrixPerspective(float FOV, float ratio, float zNear, float zFar);
123  };
124 }
125 #endif /* MATRIX_H */
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
Functions for manipulating matrices.
Definition: Matrix.h:31
Matrix(void)
Default constructor.
Definition: Matrix.cpp:49
static const float identityArray[]
A 4x4 identity Matrix;.
Definition: Matrix.h:50
static Matrix createTranslation(float x, float y, float z)
Create and return a translation matrix.
Definition: Matrix.cpp:414
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 * getAsArray(void)
Get the matrix elements as a column major order array.
Definition: Matrix.cpp:78
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
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
GLint y
Definition: gl2ext.h:179