internal static void HandleAsteroidCollision(GameObject firstCollider, GameObject secondCollider)
{
int speedDivisor = 3; // Decrease the speed change from collision. It is too much without it.
int collisionCooldown = 3000; // Max milliseconds before collission can occur again.
if (firstCollider.collisionTimer.ElapsedMilliseconds > collisionCooldown &&
secondCollider.collisionTimer.ElapsedMilliseconds > collisionCooldown &&
!(firstCollider.X < 0 && firstCollider.X > 900) &&
!(firstCollider.Y < 0 && firstCollider.Y > 800))
{
if (firstCollider.X < secondCollider.X) // firstCollider is to the left of secondCollider.
{
firstCollider.Xspeed -= secondCollider.Xspeed / speedDivisor; // firstCollider increases speed to the left.
secondCollider.Xspeed += firstCollider.Xspeed / speedDivisor; // secondCollider decreases speed to the left.
}
else // firstCollider is to the right of secondCollider.
{
firstCollider.Xspeed += secondCollider.Xspeed / speedDivisor; // firstCollider increases speed to the right.
secondCollider.Xspeed -= firstCollider.Xspeed / speedDivisor; // secondCollider decreases speed to the right.
}
if (firstCollider.Y < secondCollider.Y) // firstCollider is above secondCollider.
{
firstCollider.Yspeed -= secondCollider.Yspeed / speedDivisor; // firstCollider decreases.
firstCollider.Yspeed = Math.Max(firstCollider.Yspeed, 1); // Making sure it doesn't go back up.
secondCollider.Yspeed += firstCollider.Yspeed / speedDivisor; // secondCollider increases speed.
}
else // firstCollider is under secondCollider.
{
firstCollider.Yspeed += secondCollider.Yspeed / speedDivisor; // secondCollider increases speed.
secondCollider.Yspeed -= firstCollider.Yspeed / speedDivisor; // firstCollider decreases speed.
secondCollider.Yspeed = Math.Max(secondCollider.Yspeed, 1); // Making sure it doesn't go back up.
}
firstCollider.collisionTimer.Restart();
secondCollider.collisionTimer.Restart();
}
}
internal static bool TwoObjectsCollide(GameObject firstObject, GameObject secondObject)
{
if (IsPointInCircleRadius(firstObject.X + (firstObject.img.Width / 2), // Try to get the center of each image
firstObject.Y + (firstObject.img.Height / 2), // not the upper left corner
secondObject.X + (secondObject.img.Width / 2),
secondObject.Y + (secondObject.img.Height / 2),
secondObject.collisionRadius))
{
return true;
}
else
{
return false;
}
}
internal static bool IsObjectCenterInsideRectanlge(GameObject firstObject, GameObject secondObject)
{
int rectangleSizeModifier = 50; // Increase the size of the rectangle.
if (isPointInRectangle(firstObject.X + (firstObject.img.Width / 2),
firstObject.Y + (firstObject.img.Height / 2),
secondObject.X - rectangleSizeModifier,
secondObject.Y - rectangleSizeModifier,
secondObject.img.Width + rectangleSizeModifier,
secondObject.img.Height + rectangleSizeModifier))
{
return true;
}
else
{
return false;
}
}