Objects Reference

class mat4x4

Definition

class mat4x4
{
  public:
  float m[4][4];

  inline void null(void)
  { memset(&m,0,sizeof(m)); }

  inline void load_identity(void)
  {
    memset(m,0,sizeof(m));
    m[0][0]=m[1][1]=m[2][2]=m[3][3]=1.0;
  }

  void set_rotation( float ang, vector& dir );
  mat4x4 operator*(mat4x4& m1)
};

Data Members

Member Type Description
m float[][] matrix elements

Methods

null, load_identity, set_rotation, operators

Remarks

This class implements a 4x4 matrix. The matrix can represent any linear transformation and is used for rotation, translation, scaling, etc...

See Also

vector

Example

mat4x4 m1,m2,m3;
m2.load_identity();
m3.load_identity();
m2.set_rotation(45,vector(0,0,1));
m3.set_rotation(30,vector(0,1,0));
m1=m2*m3;