Matrix4x4 DataProcessor::calcTransMat(std::vector<CS123SceneTransformation*> tranVect){
Matrix4x4 totalMat = Matrix4x4::identity();
//how to handle one transformation
std::vector<CS123SceneTransformation*>::const_iterator i;
for(i = tranVect.begin(); i!=tranVect.end(); i++){
Matrix4x4 tmat;
CS123SceneTransformation cTran = **i;
switch(cTran.type){
case TRANSFORMATION_TRANSLATE:
tmat = getTransMat(cTran.translate);
break;
case TRANSFORMATION_SCALE:
tmat = getScaleMat(cTran.scale);
break;
case TRANSFORMATION_ROTATE:
tmat = getRotMat(Vector4(0,0,0,0),cTran.rotate,cTran.angle);
break;
case TRANSFORMATION_MATRIX:
tmat = cTran.matrix;
break;
}
totalMat = totalMat*tmat;
}
return totalMat;
}
void PlanetMaster::addPlanet(Vector3 cam_pos) {
// TODO perturb triangles
random_vals_t *rv;
Vector4 p=stochastic::position(rv,cam_pos);
Vector4 v=stochastic::velocity(rv)/32.0;
int r=rand();
r=r%101;
double rd=r/100.0f;
rd=rd*M_PI/128.0;
int r2=rand();
r2=r2%101;
double ra=r/100.0f;
ra*=M_PI/2.0;
int orbit=rand();
orbit=(orbit)%101;
double orbitd=orbit/100.0f;
orbitd*=M_PI/16.0;
int s=rand();
s=s%32;
s+=64;
double density=(rand()%1000)/999.0;
density=1.0;
int texture=rand();
texture=texture%13;
texture+=3;
// if (texture==1||texture==2){
// texture=3;
// }
Planet* temp = new Planet();
temp->set_velocity(v);
temp->set_scale(getScaleMat(Vector4(s,s,s,1)));
temp->set_radius(s);
temp->set_trans(getTransMat(p));
temp->set_axis_angle(ra);
temp->set_density(density);
Matrix4x4 rot=getRotXMat(rd);
temp->set_rot(rot);
temp->set_orbit_rot(getRotZMat(orbitd));
temp->calculate_composite_transformations();
temp->set_texture(texture);
m_planets.append(temp);
}
void PlanetMaster::create_solar_system(){
Vector4 v,p;
double s,ra, rd, mass,texture;
Matrix4x4 rot;
//make a sun
Planet* sun=new Planet();
s=400;
ra=0.0;
rd=0.01;
v=Vector4(0,0,0,0);
texture=15;
p=Vector4(0.0,0.0,0.0,1.0);
mass=100000000.0;
Planet * temp=sun;
temp->set_velocity(v);
temp->set_scale(getScaleMat(Vector4(s,s,s,1)));
temp->set_radius(s);
temp->set_trans(getTransMat(p));
temp->set_axis_angle(ra);
temp->set_mass(mass);
rot=getRotXMat(rd);
temp->set_rot(rot);
temp->calculate_composite_transformations();
temp->set_texture(texture);
m_planets.append(temp);
Planet* earth=new Planet();
mass=1.0;
temp=earth;
s=32;
texture=10;
p=Vector4(512.0,0.0,0.0,1.0);
v=Vector4(0.0,0.0,50.0,0.0);
temp->set_velocity(v);
temp->set_scale(getScaleMat(Vector4(s,s,s,1)));
temp->set_radius(s);
temp->set_trans(getTransMat(p));
temp->set_axis_angle(ra);
temp->set_mass(mass);
rot=getRotXMat(rd);
temp->set_rot(rot);
temp->calculate_composite_transformations();
temp->set_texture(texture);
m_planets.append(temp);
Planet* jupiter=new Planet();
mass=317.8;
temp=jupiter;
s=96;
texture=14;
p=Vector4(-1024.0,0.0,0.0,1.0);
v=Vector4(0.0,0.0,-30.0,0.0);
temp->set_velocity(v);
temp->set_scale(getScaleMat(Vector4(s,s,s,1)));
temp->set_radius(s);
temp->set_trans(getTransMat(p));
temp->set_axis_angle(ra);
temp->set_mass(mass);
rot=getRotXMat(rd);
temp->set_rot(rot);
temp->calculate_composite_transformations();
temp->set_texture(texture);
m_planets.append(temp);
}
void SceneNode::scale(const Vector3D& amount)
{
m_rotate = m_rotate * getScaleMat(amount[0], amount[1], amount[2]);
}
// @returns the inverse scale matrix described by the vector
Matrix4x4 getInvScaleMat(const Vector4 &v) {
const Vector4 &v2=Vector4(1.0/v.x,1.0/v.y,1.0/v.z,1);
return getScaleMat(v2);
// @TODO: (CAMTRANS) Fill this in...
}
// @returns the inverse scale matrix described by the vector
Matrix4x4 getInvScaleMat(const Vector4 &v) {
return getScaleMat(Vector4(1/v.x,1/v.y,1/v.z,0));
}
