/* order. */
vec4 operator* (const vec4& v, const mat4& m)
{
vec4 product = vec4();
/* Multiply the rows of m by the vector to get the products components. */
for(int i = 0; i < 4; i++)
{
product[i] = m.getColumn(i) * v;
}
/* Return the new product vector*/
return product;
}
/* Multiply the given two 3x3 matrices and return the new matrix. */
mat4 operator* (const mat4& m1, const mat4& m2)
{
mat4 product = mat4();
/* Multiply the rows of m1 times the columns of m2. */
for(int r = 0; r < 4; r++)
{
for(int c = 0; c < 4; c++)
{
product[r][c] = m1[r] * m2.getColumn(c);
}
}
return product;
}
