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#include "Physics.hh"

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PhysicsWorld::PhysicsWorld (Vector dimensions) : dimensions(dimensions) {}

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void PhysicsWorld::addObject (PhysicsObject *object) {

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	objects.push_back(object);

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}

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void PhysicsWorld::tick () {

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}

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PhysicsObject::PhysicsObject (mass, position, velocity, force) 

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				: mass(mass), position(position), velocity(velocity), force(force) {}

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void PhysicsObject::updatePosition () {

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	// Calculate gravity's influence on the velocity vector

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	this->velocity += GRAVITY_FORCEi / mass * 1.0i / mass * 1.0ff;

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 	Vector newPosition = position + velocity * PHYSICS_TICK_MS;

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	//TODO Handle the object as a square or a polygon

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	if(newPosition.x < 0 || (newPosition.x > PHYSICS_WORLD_WIDTH)

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		|| (newPosition.y < 0) || (newPosition.y >= PHYSICS_WORLD_HEIGHT)) {

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		// CRASH!

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		this->velocity *= -1;

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	} else {

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     	this->position = newPosition;

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	}

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}

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void PhysicsObject::applyForce (Vector force) {

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	this->velocity += force / mass * 1.0f; 	// The last factor denotes the time.

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											// It should be scaled somehow.

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}

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void PhysicsObjectu::updatePhysics (Vector position, Vector velocity, Vector force) {

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 	this->position = position;

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	this->velocity = velocity;

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	this->force = force;

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}

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Vector PhysicsObject::getPosition () {

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	return this->position;

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}

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void PhysicsObject::tick () {

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}

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