#include "stdafx.h"
#include "Matrix3.h"
Matrix3f::Matrix3f(){
m3[0][0] = 1; m3[0][1] = 0; m3[0][2] = 0;
m3[1][0] = 0; m3[1][1] = 1; m3[1][2] = 0;
m3[2][0] = 0; m3[2][1] = 0; m3[2][2] = 1;
}
Matrix3f Matrix3f::Identity(){
Matrix3f T;
T.m3[0][0] = 1; T.m3[0][1] = 0; T.m3[0][2] = 0;
T.m3[1][0] = 0; T.m3[1][1] = 1; T.m3[1][2] = 0;
T.m3[2][0] = 0; T.m3[2][1] = 0; T.m3[2][2] = 1;
return T;
}
Matrix3f Matrix3f::SetupRotateX(float a_Angle){
Matrix3f T;
T.m3[1][1] = cosf(a_Angle);
T.m3[1][2] = sinf(a_Angle);
T.m3[2][1] = -sinf(a_Angle);
T.m3[2][2] = cosf(a_Angle);
return T;
}
Matrix3f Matrix3f::SetupRotateY(float a_Angle){
Matrix3f T;
T.m3[0][0] = cosf(a_Angle);
T.m3[2][0] = sinf(a_Angle);
T.m3[0][2] = -sinf(a_Angle);
T.m3[2][2] = cosf(a_Angle);
return T;
}
Matrix3f Matrix3f::SetupRotateZ(float a_Angle){
Matrix3f T;
T.m3[0][0] = cosf(a_Angle);
T.m3[0][1] = sinf(a_Angle);
T.m3[1][0] = -sinf(a_Angle);
T.m3[1][1] = cosf(a_Angle);
return T;
}
Matrix3f Matrix3f::SetupRotateXYZ(float a_Xangle, float a_Yangle, float a_Zangle){
Matrix3f rx; Matrix3f ry; Matrix3f rz;
rx = SetupRotateX(a_Xangle);
ry = SetupRotateY(a_Yangle);
rz = SetupRotateZ(a_Zangle);
Matrix3f T = rx*ry*rz;
return T;
}
Matrix3f Matrix3f::SetupRotateXYZ(Vector3f a_Vector3f){
return Matrix3f::SetupRotateXYZ(a_Vector3f.x, a_Vector3f.y, a_Vector3f.z);
}
Matrix3f Matrix3f::SetupScale(Vector3f a_Scale){
Matrix3f T;
T.Identity();
T.m3[0][0] = a_Scale.x;
T.m3[1][1] = a_Scale.y;
T.m3[2][2] = a_Scale.z;
return T;
}/*
Matrix3f Matrix3f::SetupTranslation(Vector2f a_Trans){
Matrix3f T;
T.Identity();
T.m3[0][2] = a_Trans.x;
T.m3[1][2] = a_Trans.y;
T.m3[2][2] = 1;
return T;
}*/
Matrix3f Matrix3f::SetupTranslation(Vector3f a_Trans){
Matrix3f T;
T.Identity();
T.m3[0][2] = a_Trans.x;
T.m3[1][2] = a_Trans.y;
T.m3[2][2] = a_Trans.z;
return T;
}
Matrix3f Matrix3f::SetupScale(Vector3f a_Scale){
Matrix3f T;
T.Identity();
T.m3[0][0] = a_Scale.x;
T.m3[1][1] = a_Scale.y;
T.m3[2][2] = a_Scale.z;
return T;
}/*