This is a style of game that sets the player in the role of protector of an area or structure. The idea being to survive against a series of increasingly powerful invaders.

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13
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4answers
6k views

2D tower defense - A bullet to an enemy

I'm trying to find a good solution for a bullet to hit the enemy. The game is 2D tower defense, the tower is supposed to shoot a bullet and hit the enemy guaranteed. I tried this solution - http://...
15
votes
9answers
6k views

Dynamic pathing algorithm for tower defense game

I'm making a Tower Defense and I need a good pathing algorithm for it. I have thought about Dijkstra but I need one that can be dynamic; it must be able to update itself when one edge is removed or ...
24
votes
4answers
23k views

How do you save game state?

What is the procedure followed by game programmers for saving and resuming game state? like files/mappings. I want to save it for tower defense game and I am using unity3D game engine.
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vote
1answer
751 views

What algorithms can I use for bullet movement toward the enemy?

I'm developing 2D strategy game. There are weapons that shoot at enemies. From what I've read in this, this, this and this post I think that I need linear algebra, but I don't really understand what ...
2
votes
3answers
3k views

How can I specify which enemies to spawn for each round in a tower defense?

I am making a TD game in Unity, and I would like to know the most common approach to spawning enemies each round. I have more than 200 rounds per map, just like Fieldrunners. Is it some kind of ...
0
votes
2answers
221 views

How to calculate the enemy to arrive in the middle of cell?

The game is 2d, and the genre of this game is tower defense. I managed to get it moving to the cell and arrived in the cell. But it never arrives at the middle of a cell. Here's what I did... ...