Particle.cpp

#include "Particle.h"

void Particle::Draw()
{
	glPushMatrix();
	glColor3f(0.F, 1.F, 0.F);
	glTranslatef(position.x, position.y, position.z);
	glutSolidSphere(1.f, 10, 10);
	glPopMatrix();
}





Particle::Particle(float m, CR217::CRVec3 position) : GameObject (position.x, position.y, position.z)
{
	mass = m;
	velocity = CR217::CRVec3(0, 0, 0);
	acceleration = CR217::CRVec3(0, 0, 0);
    totalForce = CR217::CRVec3(0, 0, 0);
}



void Particle::calculateForces()
{
	totalForce = CR217::CRVec3(0, 0, 0);
	totalForce += CR217::CRVec3(0, -9.8f, 0) * mass;
	

}


void Particle::Update(float deltaTime)
{
	acceleration += totalForce / mass;
	futureVelocity = CR217::CRVec3(0, 0, 0);
	futureVelocity += acceleration + (velocity * deltaTime);
	futurePosition = CR217::CRVec3(0, 0, 0);
	futurePosition += position + (velocity * deltaTime);
	position = futurePosition;
	velocity = futureVelocity;
}

Particle::~Particle()
{
}