public static bool CheckCollision(Player p, Enemy e, DimensionalManager dm)
{
int activeDimensions = dm.GetNumberOfActiveDimensions();
Position playerPostion = p.getPosition();
Position enemyPosition = e.GetPosition();
float playerWidth = p.getRadius();
float enemyRadius = e.GetWidth();
float totalDistance = 0.0f;
for (int i = 0; i < activeDimensions; ++i)
{
float distance = Math.Abs(playerPostion.GetPosition(i) - enemyPosition.GetPosition(i));
totalDistance += (distance * distance);
}
return totalDistance < ((playerWidth + enemyRadius) * (playerWidth + enemyRadius));
}
private float GetSize(Enemy enemy)
{
float totalDistance = 0;
for (int i = 0; i <= dimensionalManager.GetNumberOfActiveDimensions(); ++i)
{
//We don't look in our plane, but if this plane is currently 1D, then the y axis also contributes to size like any other perp dim
if (i == xDimension || (i == yDimension && render2d))
{
continue; //we don't look at this plane as we are this plane!
}
//Does the sphere intersect with this plane eg in axis i (perpendicular to this plane) is the
//position of the enemy in i, +- its width, still intersecting with this plane
//if it is not then the size is 0 (eg don't draw)
float dimOffset = Math.Abs(planePosition.GetPosition(i) - enemy.GetPosition().GetPosition(i));
if (dimOffset >= enemy.GetWidth())
{
return 0.0f;
}
else
{
totalDistance += dimOffset * dimOffset;
}
}
//Otherwise will be some deg 2 polynomial based on how far away it is in each dimension
float radius = (float)Math.Sqrt(enemy.GetWidth() * enemy.GetWidth() - totalDistance);
return radius;
}