added screen collisions using an Effect

[physics.git] / src / effectManager.cpp

#include "effectManager.h"

#include "Effects/Effect.h"
#include "Effects/Gravity.h"
#include "Effects/Screen.h"

/// ***** Private Variables *****
Effect** effects;
int numEffects;

/// ***** Public Methods *****

void effect::init()
{
    numEffects = 2;
    effects = new Effect*[numEffects]();

    effects[0] = new Gravity();
    effects[1] = new Screen();
}
void effect::clean()
{
    for(int i=0; i < numEffects; i++)
    {
        delete effects[i];
    }

    delete effects;
}

Vector2 effect::positionDelta(const PhysicsEntity* e, float time_step)
{
    Vector2 acc(0,0);

    for(int i=0; i < numEffects; i++)
    {
        acc += effects[i]->positionDelta(e, time_step);
    }

    return acc;
}
Vector2 effect::velocityDelta(const PhysicsEntity* e, float time_step)
{
    Vector2 acc(0,0);

    for(int i=0; i < numEffects; i++)
    {
        acc += effects[i]->velocityDelta(e, time_step);
    }

    return acc;
}
Vector2 effect::forceDelta(const PhysicsEntity* e, float time_step)
{
    Vector2 acc(0,0);

    for(int i=0; i < numEffects; i++)
    {
        acc += effects[i]->forceDelta(e, time_step);
    }

    return acc;
}