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FCG_VisualizzatoreCamminata/src/rigidbody/methods/rb_class.cpp
T

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2.7 KiB
C++
Executable File

#include "../headers/rb.hpp"
using namespace rb ;
rigidbody::rigidbody(Vector3 coords, Vector3 centerOfMass, _Float16 mass, float radius)
{
if (coords.size() != 3) throw "Coords must be 3";
if (centerOfMass.size() != 3) throw "COM coords must be 3";
this->coords = coords;
this->centerOfMass = centerOfMass;
this->mass = mass;
this->R = radius;
}
rigidbody::~rigidbody()
{
}
Vector3 rigidbody::getPos(){
return Vector3 {coords};
}
Vector3 rigidbody::getRot(){
return Vector3 {rot};
}
void rigidbody::setPos(Vector3 Npos){
if (Npos.size() != 3) throw "Pos must be 3 in lenght!";
int i = 0;
for (float axis : Npos){
coords[i] = axis;
i++;
}
}
void rigidbody::setAcc(const Vector3 Nacc){
if (Nacc.size() != 3) throw "Acc vector must be 3 in lenght!";
int i = 0;
for (float axis : Nacc){
acc[i] = axis;
i++;
}
}
void rigidbody::setRot(const Vector3 Nrot){
if (Nrot.size() != 3) throw "Vel vector must be 3 in lenght!";
int i = 0;
for (float axis : Nrot){
rot[i] = axis;
i++;
}
}
void rigidbody::calcVel(const float Dtime){
Vector3 tmpVel;
for (float a : acc){
//if (a>0.8 || a<-0.8)
tmpVel.push_back( a*Dtime );
}
int i = 0;
for (float nv : tmpVel){
vel[i++] += nv;
}
}
void rigidbody::calcPos(const float Dtime){
Vector3 tmpPos;
for (float v : vel){
tmpPos.push_back( v*Dtime );
}
int i = 0;
for (float np : tmpPos){
coords[i++] += np *100;//(np* cos(float(rot[i]))) *100;
}
}
void rigidbody::step(const sf::Clock time, float multiplier){
int64_t Dtime = time.getElapsedTime().asMicroseconds();
if (prevT == 0) prevT >= Dtime;
float dt = ((float(Dtime) / 1000000.0) - (float(prevT) / 1000000.0)) * multiplier;
prevT = Dtime;
calcRot(dt);
calcPos(dt);
calcVel(dt);
}
void rigidbody::setTanAcc(const Vector3 Dacc){
if (Dacc.size() != 3) throw "Vel vector must be 3 in lenght!";
int i = 0;
for (float a : Dacc ){
tanAcc[i] = a;
i++;
}
}
void rigidbody::calcRot(const float Dtime){
// Ds = wt +1/2*at^2 -> l'accelerazione angolare la trovo ac = v^2/R
Vector3 tmpVel;
for (float a : tanAcc){
tmpVel.push_back( a*Dtime );
}
int i = 0;
for (float nv : tmpVel){
tanVel[i++] += nv;
}
Vector3 tmpTanAcc;
for (int i = 0; i<3; i++){
tmpTanAcc.push_back( pow(tanVel[i],2) / R );
}
i=0;
for (auto axes : rot){
rot[i] = axes + (0.5 * tmpTanAcc[i] * pow(Dtime,2));
i++;
}
}
rb::Vector3 rigidbody::getAcc(){
return Vector3(acc);
}