[project1dev] Re: fireballs hurting enemies
- From: Kent Petersen <kentkmp@xxxxxxxxx>
- To: project1dev@xxxxxxxxxxxxx
- Date: Sun, 16 May 2010 21:08:10 -0700
Yeah sounds good man. I think that covers all of it
On Sun, May 16, 2010 at 2:05 PM, Alan Wolfe <alan.wolfe@xxxxxxxxx> wrote:
> oh and i think we'd need a way to look up a mob by model id so that you
> could send a message to a mob to make it take damage or something
>
>
> On Sun, May 16, 2010 at 12:04 PM, Alan Wolfe <alan.wolfe@xxxxxxxxx> wrote:
>
>> Hey Kent,
>>
>> I've been mulling over the stuff you said and here's what im thinking for
>> being able to do collision tests from script. I think we can solve both
>> projectile impact as well as lightning bolt impact with the same solution.
>> let me know what you think...
>>
>> #1 - make a script command Model_SetProperty where you can set properties
>> to a model such as Model_SetProperty(Model,"Enemy"); or
>> Model_SetProperty(Model,"PlayerProjectile");. You can set multiple
>> properties on a model, you aren't just limited to one.
>>
>> #2 - make a script command Model_HasProperty which tells you whether or
>> not a property is present on a model. For instance if you wanted to know if
>> a model was an enemy, you could call... Model_HasProperty(Model,"Enemy");
>> and it would return true or false depending on whether the model had that
>> property or not.
>>
>> #3 - make commands to query regions of space to return all the models in
>> that region and let you loop through them one by one.
>>
>> Putting that all together we could do something like this:
>>
>> -- search a 2d rectangle (ie ignore height) for any models
>> ModelQuery_Rect2D(10,10,20,20);
>>
>> NextModel = ModelQuery_GetNextResult();
>>
>> -- for each model found
>> while NextModel != -1 do
>> if Model_HasProperty(NextModel,"Enemy") then
>> Debug_Print("there was an enemy in there!");
>> end
>> NextModel = ModelQuery_GetNextResult();
>> end
>>
>> I think setting it up that way we could solve all the collision stuff:
>>
>> Player fireballs: Each frame for each fireball, do a 2d rect query to see
>> what's near the fireball. When a fireball gets close enough to an enemy, it
>> homes at that enemy, does damage to it when it's close enough and then
>> disappears (solving the height issue we talked about)
>>
>> Enemy rocks: Each frame for each rock, do a query to see whats near the
>> rock. If the player or a citizen is close enough to the rock, it homes at
>> the target, does damage when close enough and then disappears (also possibly
>> solving the problem of how enemies aim the rocks!)
>>
>> Player lightning: When casting the lightning spell, do a query to see
>> whats within range of where the lightning bolt was cast. All enemies found
>> within range take damage.
>>
>> Sound ok to you?
>>
>>
>> On Sun, May 16, 2010 at 8:44 AM, Alan Wolfe <alan.wolfe@xxxxxxxxx> wrote:
>>
>>> yeah this seems like the good solution, i added it to the wiki.
>>>
>>>
>>> On Sat, May 15, 2010 at 11:42 PM, Alan Wolfe <alan.wolfe@xxxxxxxxx>wrote:
>>>
>>>> Thats a good point.
>>>>
>>>> If we have bullets that hit the first enemy they encounter then stop
>>>> (which i think we should... and i think act raiser did), we could totally
>>>> do
>>>> it that way where when it figures out which enemy it's hitting (ie it gets
>>>> real close disregarding height) , it literally homes in on it and hits it.
>>>>
>>>> that is a really cool solution and might not look un-natural (:
>>>>
>>>>
>>>> On Sat, May 15, 2010 at 11:37 PM, Kent Petersen <kentkmp@xxxxxxxxx>wrote:
>>>>
>>>>> oh another thought. You could simply have them slightly homing. Where
>>>>> they automatically curve in towards enemies but they will minimally effect
>>>>> the X and Y axis and effect the Z as much as it needs to. If you don't
>>>>> want
>>>>> to give this kind of power early on it could be an ability upgrade later.
>>>>>
>>>>> You could also have if the attack is withing so many units of the
>>>>> target then it will automatically home in. So it would not curve in early
>>>>> but if it is close to the target it would track on and hit. This way a
>>>>> close
>>>>> enough attack would always hit. This could also be some kind of an attack
>>>>> upgrade.
>>>>>
>>>>>
>>>>> On Sat, May 15, 2010 at 11:31 PM, Kent Petersen <kentkmp@xxxxxxxxx>wrote:
>>>>>
>>>>>> If you wanted to take the magical approach you could make it like the
>>>>>> old 2d ones. Where if the flying projectile appears to hit the ground
>>>>>> unit
>>>>>> it collides. You would need to adjust the ground enemies hit box to line
>>>>>> up
>>>>>> with the projectile in the air.
>>>>>>
>>>>>>
>>>>>> On Sat, May 15, 2010 at 11:22 PM, Alan Wolfe <alan.wolfe@xxxxxxxxx>wrote:
>>>>>>
>>>>>>> when i was thinking about making an updated version of act raiser (3d
>>>>>>> version) origionaly, the biggest hurdle in my head was "how could we
>>>>>>> have
>>>>>>> you shoot an arrow (or something like that) and have it hit any enemy
>>>>>>> whether it was on the ground or in the air?"
>>>>>>>
>>>>>>> my idea was that we just make it hit all enemies regardless of height
>>>>>>> but try to hide the fact that it doesnt make sense by doing some "art
>>>>>>> magic"
>>>>>>>
>>>>>>> like make the art in such a way where it doesn't look weird.
>>>>>>>
>>>>>>> i know that is kinda like saying "make it magically work" but i bet
>>>>>>> theres a way to make it seem ok.
>>>>>>>
>>>>>>> having to shoot a fireball down at an angle means that its a
>>>>>>> different type of attack and that now youd have to aim it to hit the
>>>>>>> ground
>>>>>>> near the enemy instead of just shooting that direction and hitting him.
>>>>>>>
>>>>>>> we might have to go that route in the end but i think it would be
>>>>>>> nice if we could make it work where you just shoot left and anything
>>>>>>> that it
>>>>>>> hits (disregarding height) gets damaged :P
>>>>>>>
>>>>>>>
>>>>>>> On Sat, May 15, 2010 at 11:15 PM, Kent Petersen
>>>>>>> <kentkmp@xxxxxxxxx>wrote:
>>>>>>>
>>>>>>>> Fireballs should be able to be able to be shot down at an angle.
>>>>>>>> Maybe there could be 2 different shoot buttons. 1 for shooting
>>>>>>>> straight and
>>>>>>>> another for shooting forward.
>>>>>>>>
>>>>>>>> Another option could be holding a key like ctrl down to make
>>>>>>>> shooting go downward and releasing ctrl would return the aim to level
>>>>>>>> height.
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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