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improved body.parts docs, closes #600

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liabru 2023-03-18 16:24:12 +00:00
parent 5ed985db18
commit c1f9584e1f
1 changed files with 24 additions and 10 deletions
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src/body/Body.js
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@ -376,10 +376,15 @@ var Axes = require('../geometry/Axes');
};
/**
* Sets the parts of the `body` and updates mass, inertia and centroid.
* Each part will have its parent set to `body`.
* By default the convex hull will be automatically computed and set on `body`, unless `autoHull` is set to `false.`
* Note that this method will ensure that the first part in `body.parts` will always be the `body`.
* Sets the parts of the `body`.
*
* See `body.parts` for details and requirements on how parts are used.
*
* This function updates `body` mass, inertia and centroid based on the parts geometry.
* Sets each `part.parent` to be this `body`.
*
* The convex hull is computed and set on this `body` (unless `autoHull` is `false`).
* Automatically ensures that the first part in `body.parts` is the `body`.
* @method setParts
* @param {body} body
* @param {body[]} parts
@ -922,11 +927,20 @@ var Axes = require('../geometry/Axes');
/**
* _Read only_. Use `Body.setParts` to set.
*
* An array of bodies that make up this body.
* The first body in the array must always be a self reference to the current body instance.
* All bodies in the `parts` array together form a single rigid compound body.
* Parts are allowed to overlap, have gaps or holes or even form concave bodies.
* Parts themselves should never be added to a `World`, only the parent body should be.
* An array of bodies ('parts') that make up this body. The first body in this array must always be a self-reference to this `body`.
*
* The parts are fixed together and will move and rotate as a single rigid body.
*
* Parts when combined are allowed to overlap, form gaps, have holes so can be used to create complex concave bodies unlike bodies with a single part.
*
* Only the geometry of the parts is considered, e.g. the individual material properties of parts (e.g. `part.friction`) are not used in favour of the parent body's properties.
*
* Parts individual vertices must still be convex.
* Parts should not have their own parts, they are not handled recursively.
* Parts should not be added to the world directly or any other body or composite.
*
* A body with more than one part is sometimes referred to as a 'compound' body.
*
* Use `Body.setParts` when setting parts to ensure correct updates of all properties.
*
* @readOnly