gistfile1.cpp

void Player::Update()
{
	Entity::Update();

	Vector2 lastPosition = position;

	const float walkSpeed = 150;
	const float runSpeed = 220;
	const float maxFallSpeed = 50.0f;
	const float gravity = 980.0f;

	// fall, cap at maxFallSpeed
	velocity.y += MIN(gravity * Monocle::deltaTime, maxFallSpeed);

	position += velocity * Monocle::deltaTime;

	float useSpeed = isWalking?walkSpeed:runSpeed;

	const float turnThresh = 0.25f;
	if (moveDir.x > turnThresh)
		scale.x = 1;
	else if (moveDir.x < -turnThresh)
		scale.x = -1;

	if (fabs(moveDir.x) < 0.5f)
	{
		moveDir.x = 0;
	}

	position += moveDir * useSpeed * Monocle::deltaTime;

	int y = 0;
	int max = 16;
	for (y = 0; y < max; y++)
	{
		CollisionData collisionData;
		if (Collide("Obstruction", &collisionData))
		{
			position.y = lastPosition.y;
			velocity.y = 0;
		}
		else
		{
			break;
		}
		position.y = lastPosition.y - y;
	}
	if (y == max)
	{
		position = lastPosition;
	}

	moveDir = Vector2::zero;
}