[Trigger] Math Formula

[-Berz-]

Hello =)

Again me and my bad math...

So I've been working on a spell that makes special effects in a line from position of caster to targeted location... now everything would be just nice if the cast range would be constant like 700, but now I have the problem with making special effects in order, so it wouldn't matter if cast range is 900 or 100.

You know what i mean, here is a sketch of how it should look


The formula should involve distance between points (from caster to targeted location) Loop for integer A, and something i can't figure out :S

Oh, i forgot to mention loop repeats 20 times ;D

Thanks!

~Berz

 

[DarkAngelAzazel]

1. Set the total distance into a variable
2. Divide this distance by (is "by" right?) the number of special effects you want to have.
3. Set the result into another variable (lets say "b")
4. Use:
Loop 1-MaxNumberEffects
create effect at position of casting Unit offset by (integer A * b)


That should work?!

 

[-Berz-]

I don't understand the second point how to get "b"

Edit, attached trigger, if it makes it any easier?

• Blink Strike Copy
  • Events
    • Unit - A unit Starts the effect of an ability
  • Conditions
    • (Ability being cast) Equal to Shadowstep
  • Actions
    • Set Shadowstep_Caster = (Triggering unit)
    • Set Shadowstep_Target = (Target unit of ability being cast)
    • Set Shadowstep_Location = (Position of Shadowstep_Target)
    • Set Shadowstep_Location_2 = (Position of Shadowstep_Caster)
    • For each (Integer A) from 1 to 20, do (Actions)
      • Loop - Actions
        • Set Shadowstep_Loop_Location = (Shadowstep_Location_2 offset by ((Distance between Shadowstep_Location and Shadowstep_Location_2) / (Real((Integer A)))) towards (Facing of Shadowstep_Caster) degrees)
        • Special Effect - Create a special effect at Shadowstep_Location_2 using Abilities\Spells\Undead\DeathandDecay\DeathandDecayTarget.mdl
        • Special Effect - Destroy (Last created special effect)
        • Custom script: call RemoveLocation(udg_Shadowstep_Loop_Location)
    • Custom script: call RemoveLocation(udg_Shadowstep_Location)
    • Custom script: call RemoveLocation(udg_Shadowstep_Location_2)

 

[aznricepuff]

function addSpecialEffectLine takes string effectPath, unit caster, location targetLoc, int effectCount returns nothing
    local real casterX = GetUnitX(caster)
    local real casterY = GetUnitY(caster)
    local real targetX = GetLocationX(targetLoc)
    local real targetY = GetLocationY(targetLoc)
    local real dx = targetX - casterX
    local real dy = targetY - casterY
    local real angle = Atan2(dy, dx)
    local real dist = Sqrt(dx * dx + dy * dy)
    local integer i = 1

    loop
        exitwhen (i > effectCount)

        call DestroyEffect(AddSpecialEffect(effectPath, casterX + (i * dist / effectCount) * Cos(angle), casterY + (i * dist / effectCount) * Sin(angle)))
    
        set i = i + 1
    endloop
endfunction

EDIT: forgot to add endfunction, hehe...

 

[DarkAngelAzazel]

b is just an example for the variable name.

You divide the total distance by the number of effects and store the result in a variable..
(in my example called "b")...

 

[Restor]

exactly as above.


Create first special effect on position of casting unit offset by (A/B)x1
Create second special effect on position of casting unit offset by (A/B)x2
Create third special effect on position of casting unit offset by (A/B)x3
...

A=distance between caster and target
B=number of special effects
third number is normal A integer starting from 1 to B(number of special effects)


Of course that action can be executed by loop, i just write it this way

 

[-Berz-]

I'll try your ideas out

Edit:

It works!

Thank you all!