How do I chain attacks in a hex-based game?

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- hperk209
- - Joined 8 Jan, 2019
  - 7 topics • 23 posts
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- 21 Oct, 2020
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Hey there! I'm trying to make a hex-based game where the player can chain attacks between enemies on adjacent hexes. For testing purposes, I am just using 5 hexes, but there will be 31 on the final grid.

I am attaching both my project and a screenshot showing an example of what I'm hoping to do with one of the powers, Jolt. With Jolt, the player can shoot lightning at a robotic unit (the 'S' in the screenshot), which will chain to other robotic units (like the 'Z's). So the player will click the power, click an enemy, and the attack will auto-chain to relevant enemies.

I have it so that the spawn points on each tile register which enemy type is where. Which is great. But I'm stumped by the next step: how do I get this attack to a) know which enemies are next to it, and b) chain appropriately?

Thanks in advance for your help!

https://drive.google.com/drive/folders/105X6atSPvtSDtg291ZYKjWd6cAfbcPrC?usp=sharing
Tagged:

attack
chain
grid
hex
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,602 posts
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- 21 Oct, 2020
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You need to post your C3P file, not an exported game.

You can use image points to detect neighbors on a hex grid. Define 6 image points like on the picture below, and you can check if any enemy is overlapping them in a loop:
For "" from 1 to 6 System pick Enemy overlapping point Hex.ImagePointX(loopindex), Hex.ImagePointY(loopindex)

.
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- hperk209
- - Joined 8 Jan, 2019
  - 7 topics • 23 posts
- 1
- 21 Oct, 2020
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Ah sorry, I added the most recent C3p file to that drive as well.

https://drive.google.com/drive/folders/105X6atSPvtSDtg291ZYKjWd6cAfbcPrC?usp=sharing

Okay cool, thanks dop2000. That makes sense. So if I was to use an Event Sheet, that would be a few different lines right? Using 'overlapping at offset'? I've done loops in Unity and Unreal, but not Construct -- but I think based on your recommendation I can figure out one tile.

After that though -- any idea how I would manage the pathfinding from tile to tile? (i.e. okay, there's an enemy adjacent, kill that. But what about enemies adjacent to THAT enemy, and so on?)

Thanks again.
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,602 posts
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- 22 Oct, 2020
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Here you go:

dropbox.com/s/o5fvtfgeecrqgba/Copy%20of%20ThetaProphet_2.c3p
Click any enemy, the whole chain will start flashing.

By the way, I suggest making the grid 44x25 or similar. Check out this article, it was really useful for me:

redblobgames.com/grids/hexagons
- hperk209
- - Joined 8 Jan, 2019
  - 7 topics • 23 posts
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- 22 Oct, 2020
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Wow thank you dop2000, I truly appreciate this. I will dig into that article tomorrow as well. Thanks again!
- hperk209
- - Joined 8 Jan, 2019
  - 7 topics • 23 posts
- 1
- 22 Oct, 2020
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dop2000 I was able to review the changes you made, as well as the article you referenced. Now that I see the logic, and how you've used type, UID, and 'pick nearest', it makes sense! I can't thank you enough. Got some coffee. Thank you!
- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,602 posts
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- 22 Oct, 2020
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No worries! And thanks for the coffee!