How do I Setup directional based attacks

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Post » Sat Nov 08, 2014 12:25 am

Project is a sidescrolling fighting game

Currently I have 4 playerboxes used as hitboxes for each player. I have 14 characters that are positioned ontop the those playerboxes. Right now I have 4 directional based melee attacks (punch left, right up down etc) but I'm trying to decide how to go about making 4 more attacks that are more complex and unique to each character. What would be a good way to setup a function for this? So when a player is holding left and pressing C they will do the associated attack for the character they are playing as
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Post » Sat Nov 08, 2014 2:54 am

Hey Prazon, :)

Hopefully I'm interpreting this right, it sounds like there are 14 different selectable characters in the game, and you have a generalized character rig setup that has a spot for the selected character in the middle, and then 4 boxes situated around the character, representing attack zones to the left, right, top, and bottom of the character.

You want a control input, like Towards + C, to trigger a unique action depending on the chosen character.

Two options come to mind, global variables is one, and a callback function system is the other. The global variable method is easier but a little less flexible, though it should still work just fine in this case.


Global variables:
You can use a global variable to store the name of the character chosen by the player, and only trigger that character's attack if their name is found in the global.

e.g.
* Event: If keyboard pressed Left + C.
* * SubEvent: If global characterName = "lulu". -- Action: Call function "luluShield".
* * SubEvent: If global characterName = "veigar". -- Action: Call function "veigarStun".
* * SubEvent: If global characterName = "teemo". -- Action: Call function "teemoSelfDestruct".


Callback functions:
You can create a Dictionary object, that maps control input events (Dictionary keys) to function names (Dictionary values). At the point that a player selects a character, you can populate the Dictionary with the chosen character's functions. These functions will execute the character's actions.

e.g.
* Event: Player chooses "lulu".
Actions:
Add to Dictionary key = "Left+C", value = "luluShield" .
Add to Dictionary key = "Right+C", value = "luluSpeedUp".
etc ...

* Event: If keyboard pressed Left + C. -- Action: Call function ( Dictionary.getValue( "Left+C" ) ).

Note: Dictionary.getValue( "Left+C" ) will return "luluShield", which we added earlier, and so the action evaluates to [Call function ( "luluShield" ).]

* Event: On function "luluShield". -- Action: Execute the stuff that's supposed to happen when Lulu uses her shield ability.


Hope that helps. :)
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