Add inital API documentation

README.md

@@ -95,12 +95,98 @@ The files from the src folder will we re-built automatically into a virtual buil
 
 ### API Docs
 
-To be created ...
-
-- Particle extends Vector3
-- Vector3 API is fully compatible with [THREE.js](https://github.com/mrdoob/three.js/) Vector3.
-
-Available Behaviors:
+#### SimplePhysics class
+
+**Constructor**
+
+`new SimplePhysics({ friction = 0.95, springIterationsCount = 50 } = {});`
+
+**Members:**
+
+Member | Type | Default | Description
+:----- | :--- | :------ | :----------
+`behaviors` | Set | new Set() | Behaviors for all particles
+`constraints` | Set | new Set() | Constraints for all particles
+`groups` | Set | new Set() | Groups of particles (not implemented yet)
+`particles` | Set | new Set() | All particles
+`springs` | Set | new Set() | All springs (not implemented yet)
+`friction` | number | 0.95;
+`springIterationsCount` | number | 50;
+
+**Public Methods:**
+
+Method | Return value | Description
+:----- | :----------- | :----------
+`addBehavior(behavior: Object)` | | Add behavior to all particles
+`addParticle(particle: Particle)` | | Add particle
+`addSpring(spring: Spring)` | | Not implmemented yet
+`addGroup(group: Group)` | | Not implmemented yet
+`clear()` | | Clear particles, groups and springs
+`getSpring(a: Particle, b: Particle)` | Spring | Attempts to find the spring element between the 2 particles supplied
+`getnumConnected(spring: Spring)` | number | Get the count of how many springs are connected to A
+`hasBehavior(behavior: Behavior)` | Behavior | Check, if physics has this behavior
+`hasGroup(group: Group)` | Group | Check, if physics has this group
+`hasParticle(particle: Particle)` | Particle | Check, if physics has this particle
+`hasSpring(spring: Spring)` | Spring | Check, if physics has this spring
+`removeBehavior(behavior: Behavior)` | boolean | Remove behavior
+`removeParticle(particle: Particle)` | boolean | Remove particle
+`removeSpring(spring: Spring)` | boolean | Remove spring
+`removeSpringElements(spring: Spring)` | boolean | Removes a spring connector and its both end point particles
+`removeGroup(group: Group)` | boolean | Remove group
+`update(deltaTime: number = 1)` | | Update simulation
+
+
+#### Particle class
+
+Extends Vector3 class
+
+Vector3 API is fully compatible with [THREE.js](https://github.com/mrdoob/three.js/) Vector3.
+
+**Constructor**
+
+`new Particle(x: number = 0.0, y: number = 0.0, z: number = 0.0, mass: number = 1.0, radius: number = 1.0);`
+
+**Members:**
+
+Member | Type | Default | Description
+:----- | :--- | :------ | :----------
+`x` | number | 0.0
+`y` | number | 0.0
+`z` | number | 0.0
+`locked` | boolean | false | Particle lock status
+`behaviors` | Set | null | Particle behaviors
+`neighbors` | Set | null | Particle neighbors
+`mass` | number | 1.0
+`radius` | number | 1.0
+`friction` | number | 0.0
+`maxSpeed` | number | 3.0
+`force` | Vector3 | new Vector3()
+`velocity` | Vector3 | new Vector3()
+`velocitySmooth` | Vector3 | new Vector3()
+`followers` | Set | new Set() | Follower which will copy this particle’s position
+
+**Public Methods:**
+
+Method | Return value | Description
+:----- | :----------- | :----------
+`addBehavior(behavior: Object, addEvenIfExists: boolean = false)` | this | Add behavior to this particle only
+`getBehavior(behaviorClass: Class)` | Instance of Behavior | Get behavior by behavior class
+`addFollower(vector: Vector3)` | | Will copy this particle’s position
+`addForce(force: Vector3)` | this | Add force to this particle, used by behaviors
+`clearForce()` | this | Clear force
+`clearVelocity()` | this | Clear velocity
+`getVelocity()` | Vector3 | Get velocity
+`lock()` | this | Lock this particle’s position
+`removeBehavior(behavior: Object)` | boolean | Remove behavior, returns true, if behavior was found
+`removeFollower(follower: Object)` | boolean | Remove follower, returns true, if follower was found
+`unlock()` | this | Unlock this particle’s position
+`constrainX(min: number, max: number)` | | Constrain x
+`constrainY(min: number, max: number)` | | Constrain y
+`constrainZ(min: number, max: number)` | | Constrain z
+
+
+
+### Available Behaviors:
 
 - Align: align movement with neighbors
 - Avoid: avoid single target
@@ -133,7 +219,6 @@ The files in the `build` folder will automatically be rebuilt when modified.
 - Add missing behaviors and params to all behaviors example
 - Consider writing behaviors as a plugin for matter.js
 - Create other shapes (box, polygon)
-- Create tabular api docs like https://swiperjs.com/swiper-api
 
 ### License