void mrotate( mat* ma, const triple* v, f32 a ){
f32 c = vcos( a );
f32 s = vsin( a );
f32 t = 1 - c;
static mat m;
m.m[ 0 ][ 0 ] = t * v->x * v->x + c;
m.m[ 0 ][ 1 ] = t * v->x * v->y + s * v->z;
m.m[ 0 ][ 2 ] = t * v->x * v->z - s * v->y;
m.m[ 0 ][ 3 ] = 0;
m.m[ 1 ][ 0 ] = t * v->x * v->y - s * v->z;
m.m[ 1 ][ 1 ] = t * v->y * v->y + c;
m.m[ 1 ][ 2 ] = t * v->y * v->z + s * v->x;
m.m[ 1 ][ 3 ] = 0;
m.m[ 2 ][ 0 ] = t * v->x * v->z + s * v->y;
m.m[ 2 ][ 1 ] = t * v->y * v->z - s * v->x;
m.m[ 2 ][ 2 ] = t * v->z * v->z + c;
m.m[ 2 ][ 3 ] = 0;
m.m[ 3 ][ 0 ] = 0;
m.m[ 3 ][ 1 ] = 0;
m.m[ 3 ][ 2 ] = 0;
m.m[ 3 ][ 3 ] = 1;
mmult( ma, &m );
}
void CMatrix33::SetRotation(const CVector3D& axis, float ang)
{
float nx = axis.m_X;
float ny = axis.m_Y;
float nz = axis.m_Z;
e[0][0] = nx*nx*vsin(ang) + cos(ang);
e[0][1] = nx*ny*vsin(ang) - nz*sin(ang);
e[0][2] = nx*nz*vsin(ang) + ny*sin(ang);
e[1][0] = nx*ny*vsin(ang) + nz*sin(ang);
e[1][1] = ny*ny*vsin(ang) + cos(ang);
e[1][2] = ny*nz*vsin(ang) - nx*sin(ang);
e[2][0] = nx*nz*vsin(ang) - ny*sin(ang);
e[2][1] = ny*nz*vsin(ang) + nx*sin(ang);
e[2][2] = nz*nz*vsin(ang) + cos(ang);
}
Tonemap()
{
std::ifstream vsin("../examples/shaders/screenquad.vert", std::ios::in);
const std::string &vs = std::string((std::istreambuf_iterator<char>(vsin)), std::istreambuf_iterator<char>());
std::ifstream fsin("../examples/shaders/tonemap.frag", std::ios::in);
const std::string &fs = std::string((std::istreambuf_iterator<char>(fsin)), std::istreambuf_iterator<char>());
Program = ProgramShaderLoading::LoadProgram(
GL_VERTEX_SHADER, vs.c_str(),
GL_FRAGMENT_SHADER, fs.c_str());
AssignSamplerNames(Program, "tex");
}
IBLShader()
{
std::ifstream vsin("../examples/shaders/screenquad.vert", std::ios::in);
const std::string &vs = std::string((std::istreambuf_iterator<char>(vsin)), std::istreambuf_iterator<char>());
std::ifstream fsin("../examples/shaders/ibl.frag", std::ios::in);
const std::string &fs = std::string((std::istreambuf_iterator<char>(fsin)), std::istreambuf_iterator<char>());
Program = ProgramShaderLoading::LoadProgram(
GL_VERTEX_SHADER, vs.c_str(),
GL_FRAGMENT_SHADER, fs.c_str());
AssignSamplerNames(Program, "VIEWDATA", "IBLDATA", "ntex", "ctex", "dtex", "probe", "dfg");
}
ImportanceSamplingForSpecularCubemap()
{
std::ifstream vsin("../examples/shaders/screenquad.vert", std::ios::in);
const std::string &vs = std::string((std::istreambuf_iterator<char>(vsin)), std::istreambuf_iterator<char>());
std::ifstream fsin("../examples/shaders/importance_sampling_specular.frag", std::ios::in);
const std::string &fs = std::string((std::istreambuf_iterator<char>(fsin)), std::istreambuf_iterator<char>());
Program = ProgramShaderLoading::LoadProgram(
GL_VERTEX_SHADER, vs.c_str(),
GL_FRAGMENT_SHADER, fs.c_str());
AssignSamplerNames(Program, "Matrix", "tex", "samples");
}
Skybox()
{
std::ifstream vsin("../examples/shaders/skybox.vert", std::ios::in);
const std::string &vs = std::string((std::istreambuf_iterator<char>(vsin)), std::istreambuf_iterator<char>());
std::ifstream fsin("../examples/shaders/skybox.frag", std::ios::in);
const std::string &fs = std::string((std::istreambuf_iterator<char>(fsin)), std::istreambuf_iterator<char>());
Program = ProgramShaderLoading::LoadProgram(
GL_VERTEX_SHADER, vs.c_str(),
GL_FRAGMENT_SHADER, fs.c_str());
AssignSamplerNames(Program, "Matrixes", "skytexture");
}
ObjectShader()
{
std::ifstream vsin("../examples/shaders/object.vert", std::ios::in);
const std::string &vs = std::string((std::istreambuf_iterator<char>(vsin)), std::istreambuf_iterator<char>());
std::ifstream fsin("../examples/shaders/object_gbuffer.frag", std::ios::in);
const std::string &fs = std::string((std::istreambuf_iterator<char>(fsin)), std::istreambuf_iterator<char>());
Program = ProgramShaderLoading::LoadProgram(
GL_VERTEX_SHADER, vs.c_str(),
GL_FRAGMENT_SHADER, fs.c_str());
AssignSamplerNames(Program, "ViewMatrices", "ObjectData", "tex");
}
void shr_vmath_fwrap_vsin_(double *X, double *Y, int *n)
{
vsin(X, Y, *n, 1, 1);
}
