I applied "Chase" to a special move and have a question.

DD Tokki

DD Tokki

Well-known member
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I’ve applied a "chase" mechanic to the special move; while it tracks airborne enemies, it doesn't move upwards toward them. I want to implement a way to make it ascend.
 
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I think I had the same issue back when I was workin on UDD, and what I did was giving the projectile a jumpframe on its very 1st frame so it becomes airbone, and then it would track an airbone enemy. I could be wrong about it or there could be better methods, but at least this worked for me.

Of course it needs subject_to_gravity 0 in its header.
 
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Mr.Q! said:
I think I had the same issue back when I was workin on UDD, and what I did was giving the projectile a jumpframe on its very 1st frame so it becomes airbone, and then it would track an airbone enemy. I could be wrong about it or there could be better methods, but at least this worked for me.

Of course it needs subject_to_gravity 0 in its header.
Click to expand...
I followed the advice you just give, and it attacks upwards now. That works well, but I’d also like to account for cases where there are no enemies in the air.
 
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Chaser projectiles are only chasing in xz plane by default. For xyz zone, you'd need to use other method, either:
1. Give projectile vertical attack in which projectile flies upwards when it is directly below target.
2. Script movement script for projectile which moves it in all 3 axes.

There's third method but aside of harder to code, it might cause some issues.
I have made example of #1 before but couldn't find it anywhere.
 
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[couple hours later]

I've found that example of #1.
Code: 
name        ChaseRo
health        100
speed        30
lifespan    5
type        npc
aimove        chase
stealth        350
nopain        1
nodrop        2
shadow        1
aggression    50
hostile        enemy
candamage    enemy obstacle


anim    idle
    loop    1
    delay    10
    offset    19 14
    attack    9 6 19 8 10 1 0
    frame    data/chars/ironman/za6.png
    frame    data/chars/ironman/za7.png
    frame    data/chars/ironman/za6.png
    attack    0
    frame    data/chars/ironman/za7.png

anim    attack1
    range    -10 10
    rangez    -10 10
    rangea    50 4000
    loop    1 2 4
    delay    10
    offset    10 23
    jumpframe 0 6 0 0
    landframe 7
    attack    6 6 8 19 10 1 0
    frame    data/chars/ironman/za8.png
    frame    data/chars/ironman/za9.png
    frame    data/chars/ironman/za8.png
    frame    data/chars/ironman/za9.png
    frame    data/chars/ironman/za8.png
    frame    data/chars/ironman/za9.png
    frame    data/chars/ironman/za8.png
    attack    0
    frame    data/chars/ironman/za9.png
 
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Bloodbane said:
[couple hours later]

I've found that example of #1.
Code: 
name        ChaseRo
health        100
speed        30
lifespan    5
type        npc
aimove        chase
stealth        350
nopain        1
nodrop        2
shadow        1
aggression    50
hostile        enemy
candamage    enemy obstacle


anim    idle
    loop    1
    delay    10
    offset    19 14
    attack    9 6 19 8 10 1 0
    frame    data/chars/ironman/za6.png
    frame    data/chars/ironman/za7.png
    frame    data/chars/ironman/za6.png
    attack    0
    frame    data/chars/ironman/za7.png

anim    attack1
    range    -10 10
    rangez    -10 10
    rangea    50 4000
    loop    1 2 4
    delay    10
    offset    10 23
    jumpframe 0 6 0 0
    landframe 7
    attack    6 6 8 19 10 1 0
    frame    data/chars/ironman/za8.png
    frame    data/chars/ironman/za9.png
    frame    data/chars/ironman/za8.png
    frame    data/chars/ironman/za9.png
    frame    data/chars/ironman/za8.png
    frame    data/chars/ironman/za9.png
    frame    data/chars/ironman/za8.png
    attack    0
    frame    data/chars/ironman/za9.png
Click to expand...

C: 
name         ChibiMoon-EF-C2
type             npc
aimove            chase
aggression        200
stealth            350
health            100   
speed            30
remove            0
lifespan        2
nopain            1
nodrop            2
offscreenkill    -1
candamage          enemy obstacle
hostile         enemy

anim    idle
    loop    1 0 4
    forcedirection    -1
    delay     3
    offset    11 11
    attack    -4 -4 16 30 18 1 0 0 40 22
    hitflash    flash-chibimoon
    hitfx    data/sounds/flash-normal.wav
    dropv    2.2 3 0   
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a1.gif
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a2.gif
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a3.gif
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a2.gif
    frame    none

anim    attack1
    range    -400 400
    rangez    -300 300
    rangea    0 4000
    loop    1 0 4
    forcedirection    -1
    delay     3
    jumpframe 0 6 0 0
    landframe 4   
    offset    11 11
    attack    -4 -4 16 30 18 1 0 0 40 22
    hitflash    flash-chibimoon
    hitfx    data/sounds/flash-normal.wav
    dropv    2.2 3 0   
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a1.gif
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a2.gif
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a3.gif
    frame    data/sprites/chars/chibimoon/chibimoon-ef-a2.gif
    frame    none

I applied the example, and while the NPC-type projectile is supposed to detect and track enemies, in my case, it isn't tracking them and just flies in a straight line. It seems I’ve missed something.
 
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