Help please!! moving cross object by pointer moving

This topic has 10 replies, 2 voices, and was last updated 1 year, 12 months ago by liranhersh.

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2022-12-25 at 2:51 pm #59224

liranhersh
Participant

hello everyone I am discouraged dont find answer

I create in blender 3d character walking animation in a loop. the “headbone” of this amature (there is no keyframe to this bone) I connect to Cross with bone constraint – track to.
in blender when the walk animation working, I can take the cross and move around, the head follow the rotation after the cross.

now, in Verge3D, I want to move the head to side by move the cross after the mouse pointer around, how can I do it?

here I upload a video with the problem, tnx!
https://youtu.be/buyQo_9P5aQ

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2022-12-26 at 2:48 am #59234

kdv
Participant

You already have the solution https://www.soft8soft.com/topic/camera-problem-with-puzzles/ in your own topic.

Just uncheck “inverted” and increase the factor from 3 to 10+. This factor defines the distance between the scene camera and your object.

https://v3d.net/av8

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2022-12-26 at 9:47 am #59243

liranhersh
Participant

ok, the cube follow the cross mouse this is good. but the headbone didn’t follow the cube, even the “track to” constraint in blender.

maybe something that define the connection between the cube to the headbone of the character with “track to” constrain.

I used “chatgpt” it provied me a javascript code that define the conection.
this is the code but it still dont working:

// Get a reference to the object with the constraint applied
var object = app.getObjectByName(“Armature_mixamorig_Head”);

// Set the target object or point for the constraint
var target = app.getObjectByName(“Cube”);

// Apply the constraint to the object
object.trackTo(target);

can you help please?

2022-12-26 at 12:20 pm #59244

kdv
Participant

liranhersh wrote:

app.getObjectByName(‘Cube’)

this won’t work. app has no getObjectByName function. this will return an error. app.scene.getObjectByName('Cube') will work. and objects don’t have trackTo() function. The entire code above is a nonsence.

I’m not sure that Verge3D supports bone constraints. Looks like they are not exported. But you can break the system and create a standard constraint.

https://v3d.net/dqv

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2022-12-26 at 10:11 pm #59251

liranhersh
Participant

I did the same code like in the picture I add.
no working. but when I delete the exec script, the cube following well after the mousemovement/

what is the problem with the java script?

app.controls.enableRotate = false; //disable camera rotation
const target = app.scene.getObjectByName(‘Cube’);
const constraint = new v3d.TrackToConstraint(target);
constraint.trackAxis = ‘Y’;
constraint.upAxis = ‘Z’;
constraint.fixCameraLightRotation = true;
const bone = app.scene.getObjectByName(‘Armature_mixamorig_Head’);
bone.constraints.push(constraint);

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2022-12-27 at 5:35 am #59253

kdv
Participant

press F12 and see errors in the browser console. your code is working (one typo: constraint.upAxis = ‘-Z‘;). problems can be with the target or bone objects. see the log which of them is undefined.

p.s. share your app files or blend file.

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2022-12-27 at 1:45 pm #59263

liranhersh
Participant

TNX :)
WHAT IT MEAN THE PROBLEMS, I DONT UNDERSTAND, WHAT I NEED TO CHANGE IN THE SCRIPT CODE?

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2022-12-27 at 2:59 pm #59265

kdv
Participant

remove the first line in the script. Looks like you use camera with no controls or it’s not the orbit camera and there is no need to disable the camera rotation. red error warnings are in English and they can be read and analyzed )))

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.

2022-12-27 at 3:46 pm #59266

liranhersh
Participant

Thank you very much kdv77kdv,
I tried deleting the first row and it still doesn’t work, very frustrating.

I tried to understand the comments in red and could not solve the problem. I am uploading here a link to the file in Blender, could you please help me to do it correctly in verge3d?

thank you very much for everything

2022-12-27 at 4:20 pm #59267
kdv
Participant
see no problems with your sheep. it works as expected with no additional actions from my side…
```
const target = app.scene.getObjectByName('cross');
const constraint = new v3d.TrackToConstraint(target);
constraint.trackAxis = 'Y';
constraint.upAxis = '-Z';
constraint.fixCameraLightRotation = true;
const bone = app.scene.getObjectByName('Armature_mixamorig_Head');
bone.constraints.push(constraint);
```
https://v3d.net/dr5

Puzzles and JS coding. Fast and expensive.

If you don’t see the meaning in something it primarily means that you just don’t see it but not the absence of the meaning at all.
2022-12-27 at 4:27 pm #59270

liranhersh
Participant

thank you so much!!!!!!!!!!!!!!!!!!!!!! it working
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