PlaySprite random position - GameCreators Forum

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Rocco Sette

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Posted: 23rd Jul 2018 22:00

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Hi,

When i use PlaySprite in my function, my sprite position have been changed without reason.
The following code is the only place when i change position sprite, without initialisation.

When i comment PlaySprite, all move is fine, but when i uncomment him, sometimes sprites is moved. Why ?
Tween works

+ Code Snippet

    ant_x = GetSpriteX(ant_sprite)
    ant_y = GetSpriteY(ant_sprite)

    new_x = ant_x + coordonnee_x
    new_y = ant_y + coordonnee_y

    if (position_sprite_anthill_type.grass_1[new_x/32,new_y/32] = 0)
        if (GetSpritePlaying(ant_sprite) = 0)
            PlaySprite(ant_sprite)
        endif
        if (ant_x <> new_x or ant_y <> new_y)
            SetTweenSpriteX(ant_tween, ant_x, new_x, TweenLinear())
            SetTweenSpriteY(ant_tween, ant_y, new_y, TweenLinear())
            PlayTweenSprite(ant_tween, ant_sprite, 0)
        endif
    endif

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puzzler2018

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Posted: 23rd Jul 2018 22:22

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You if conditions will run throughout

So if the first IF statement comes true it will run

If the 2nd if statement also comes true - then that will run too

Stick and else in there and see what happens - you got your indentations correct

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Rocco Sette

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Posted: 23rd Jul 2018 22:41

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But if i want play an animation during a tween ?

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puzzler2018

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Posted: 23rd Jul 2018 22:58

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Maybe play the animation on the IF

+ Code Snippet

ant_x = GetSpriteX(ant_sprite)
ant_y = GetSpriteY(ant_sprite)
 
new_x = ant_x + coordonnee_x
new_y = ant_y + coordonnee_y
 
if (position_sprite_anthill_type.grass_1[new_x/32,new_y/32] = 0)
    if (GetSpritePlaying(ant_sprite) = 0)
        PlaySprite(ant_sprite)
    endif
    if (ant_x <> new_x or ant_y <> new_y)
        SetTweenSpriteX(ant_tween, ant_x, new_x, TweenLinear())
        SetTweenSpriteY(ant_tween, ant_y, new_y, TweenLinear())
        PlayTweenSprite(ant_tween, ant_sprite, 0)
        PlaySprite(at_sprite)
    endif
endif

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Rocco Sette

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Posted: 24th Jul 2018 07:16

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Without elseif ?

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Rocco Sette

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Posted: 24th Jul 2018 07:31

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+ Code Snippet

    ant_x = GetSpriteX(ant_sprite)
    ant_y = GetSpriteY(ant_sprite)

    new_x = ant_x + coordonnee_x
    new_y = ant_y + coordonnee_y

    if (position_sprite_anthill_type.grass_1[new_x/32,new_y/32] = 0)
        if (GetSpritePlaying(ant_sprite) = 0)
            PlaySprite(ant_sprite)
        elseif (ant_x <> new_x or ant_y <> new_y)
            SetTweenSpriteX(ant_tween, ant_x, new_x, TweenLinear())
            SetTweenSpriteY(ant_tween, ant_y, new_y, TweenLinear())
            PlayTweenSprite(ant_tween, ant_sprite, 0)
        endif
    endif

I have the same error

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Rocco Sette

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Posted: 24th Jul 2018 07:34

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Same error with that code :

+ Code Snippet

    ant_x = GetSpriteX(ant_sprite)
    ant_y = GetSpriteY(ant_sprite)

    new_x = ant_x + coordonnee_x
    new_y = ant_y + coordonnee_y

    if (position_sprite_anthill_type.grass_1[new_x/32,new_y/32] = 0)
        if (GetSpritePlaying(ant_sprite) = 0)
            PlaySprite(ant_sprite)
        elseif (ant_x <> new_x or ant_y <> new_y)
            //SetTweenSpriteX(ant_tween, ant_x, new_x, TweenLinear())
            //SetTweenSpriteY(ant_tween, ant_y, new_y, TweenLinear())
            //PlayTweenSprite(ant_tween, ant_sprite, 0)
        endif
    endif

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Rocco Sette

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Posted: 24th Jul 2018 08:03

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It's strange because with "black idle" it's works, not with walk.

But it's the same number of frames :

+ Code Snippet

    for i = 0 to 19
        image_ant_type.black_image_ant.insert(LoadSubImage(image_ant_type.black_idle, "img"+str(i)))
    next i
    for i = 0 to 19
        image_ant_type.black_image_ant.insert(LoadSubImage(image_ant_type.black_walk, "img"+str(i)))
    next i

    for i = 0 to 19
        image_ant_type.red_image_ant.insert(LoadSubImage(image_ant_type.red_idle, "img"+str(i)))
    next i
    for i = 0 to 19
        image_ant_type.red_image_ant.insert(LoadSubImage(image_ant_type.red_walk, "img"+str(i)))
    next i

+ Code Snippet

    for i = 0 to 4999
        ant_sprite = CreateSprite(0)
        for j = 0 to image_ant_type.black_image_ant.length
            AddSpriteAnimationFrame(ant_sprite, image_ant_type.black_image_ant[j])
        next j

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fubarpk

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Posted: 24th Jul 2018 08:10

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taken from the help file

+ Code Snippet

tweenID - ID of the tween to modify
beginSX - The starting SizeX value for the sprite, the sprite will be this size when playing starts
endSX - The end SizeX value for the sprite, the sprite will be this size when playing ends
interpolation - The interpolation method whilst the sprite is moving from beginSX to endSX

so in effect these lines

+ Code Snippet

new_x = ant_x + coordonnee_x
new_y = ant_y + coordonnee_y

change the dimensions of the sprite this can have an effect on the position of the sprite
using this command

+ Code Snippet

Definition
SetSpriteOffset( iSpriteIndex, x, y ) 
Parameters
iSpriteIndex - The ID of the sprite to modify.
x - The X distance from the top left corner to offset the rotation point.
y - The Y distance from the top left corner to offset the rotation point.

may help if you make sure the offset is always in the centre

another workaround may be to position the sprite again before the sync()

fubar

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Rocco Sette

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Posted: 24th Jul 2018 11:41

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You have made an error, i don't use it SetTweenSpriteSizeX, but SetTweenSpriteX

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Rocco Sette

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Posted: 24th Jul 2018 12:00

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It's incredible i can use tween perfectly but position change when i uncomment PlaySprite, i have already check all things but i'm sure the problem is from PlaySprite

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Rocco Sette

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Posted: 24th Jul 2018 12:01

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+ Code Snippet

    ant_x = GetSpriteX(ant_sprite)
    ant_y = GetSpriteY(ant_sprite)

    new_x = ant_x + coordonnee_x
    new_y = ant_y + coordonnee_y

    if (position_sprite_anthill_type.grass_1[new_x/32,new_y/32] = 0)
        if (GetSpritePlaying(ant_sprite) = 0)
            //PlaySprite(ant_sprite, end_sprite - begin_sprite, 0, begin_sprite, end_sprite)
            SetSpritePosition(ant_sprite, ant_x, ant_y)
        endif
        if (ant_x <> new_x or ant_y <> new_y)
            SetTweenSpriteX(ant_tween, ant_x, new_x, TweenLinear())
            SetTweenSpriteY(ant_tween, ant_y, new_y, TweenLinear())
            PlayTweenSprite(ant_tween, ant_sprite, 0)
            SetSpritePosition(ant_sprite, new_x, new_y)
        endif
    endif

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Rocco Sette

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Posted: 24th Jul 2018 12:30

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I don't understand... Because the playsprite works with idle but not walk image, i don't understand why...

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Rocco Sette

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Posted: 24th Jul 2018 12:39

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PlaySprite(ant_sprite, 4, 0, 1, 4) works
But not :
PlaySprite(ant_sprite, 4, 0, 1, 15) or PlaySprite(ant_sprite, 15, 0, 1, 15) = don't works... (i use 15 subimages)

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Bengismo

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Posted: 24th Jul 2018 13:12

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Perhaps it would be best to post up an actual example project including the sprite file as we will be guessing as to what your error is otherwise.

I've used Playsprite and tweens together before and not had this issue.

Are the images in the walk animation offset on the x,y axis so the centre of the sprite is no longer where you think? Do you have some other code that is causing the fault etc..

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Rocco Sette

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Posted: 24th Jul 2018 13:38

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I think it's my number of frames... Maybe i use this function wrong.

I will try to make a little project for testing

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Rocco Sette

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Posted: 24th Jul 2018 16:29

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The file for loaded image is initialisation/anthill.agc
The file that playSprite is map/move/ant.agc

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Rocco Sette

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Posted: 24th Jul 2018 16:31

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I forgotten to upload it... Sorry

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Rocco Sette

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Posted: 24th Jul 2018 18:04

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This post has been marked by the post author as the answer.

Someone can remove my attach file ?

I found the solution, sprites bad declared in subimages.txt

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smallg

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Posted: 24th Jul 2018 19:21

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you can edit your post and click the delete button next to the attachment

life's one big game
spec= 4ghz, 16gb ram, AMD R9 2700 gpu

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Rocco Sette

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Posted: 24th Jul 2018 20:18

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In fact...

I have been search for 5 minutes for find it... Sorry... Thank's !

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AppGameKit Classic Chat / [SOLVED] PlaySprite random position

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