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    Interface BodyProps<UserDataType>

    each body contains those regardless of type

    interface BodyProps<UserDataType = any> {
        angle?: number;
        bbox: BBox;
        dirty: boolean;
        group?: number;
        isCentered?: boolean;
        isConvex: boolean;
        isStatic?: boolean;
        isTrigger?: boolean;
        offset: SATVector;
        padding?: number;
        system?: System<Body>;
        type: BodyType;
        typeGroup: BodyGroup;
        userData?: UserDataType;
        get scaleX(): number;
        get scaleY(): number;
        draw(context: CanvasRenderingContext2D): void;
        drawBVH(context: CanvasRenderingContext2D): void;
        getAABBAsBBox(): BBox;
        move(speed: number, updateNow?: boolean): SATPolygon | Circle<any>;
        setAngle(angle: number, updateNow?: boolean): SATPolygon | Circle<any>;
        setOffset(offset: Vector, updateNow?: boolean): SATPolygon | Circle<any>;
        setPosition(
            x: number,
            y: number,
            updateNow?: boolean,
        ): SATPolygon | Circle<any>;
        setScale(
            x: number,
            y: number,
            updateNow?: boolean,
        ): SATPolygon | Circle<any>;
    }

    Type Parameters

    • UserDataType = any

    Hierarchy (View Summary)

    Implemented by

    Index

    Properties

    angle? bbox dirty group? isCentered? isConvex isStatic? isTrigger? offset padding? system? type typeGroup userData?

    Accessors

    scaleX scaleY

    Methods

    draw drawBVH getAABBAsBBox move setAngle setOffset setPosition setScale

    Properties

    angle?: number

    body angle in radians use deg2rad to convert move(speed) moves at 1 speed = 1px towards angle

    bbox: BBox

    bounding box cache, without padding

    dirty: boolean

    was the body modified and needs update in the next checkCollision

    group?: number

    group for collision filtering

    Based on Box2D (tutorial)

    Values in BodyGroup are predefined and used each the body type and should not be used for custom filtering

    0b00000001 << 16 to 0b01000000 << 16 (max 0x7fffffff) are free to use for custom groups

    canInteract for how groups are used

    0x7fffffff // member of all groups (can interact with everyting)
    isCentered?: boolean

    is body offset centered for rotation purpouses

    isConvex: boolean

    flag to show is it a convex body or non convex polygon

    isStatic?: boolean

    check2d.separate() doesn't move this body

    isTrigger?: boolean

    check2d.separate() doesn't trigger collision of this body

    offset: SATVector

    each body may have offset from center

    padding?: number

    BHV padding for bounding box, preventing costly updates

    system?: System<Body>

    collisions system reference

    type: BodyType

    type of body

    typeGroup: BodyGroup

    faster for comparision, inner, type of body as number

    userData?: UserDataType

    allows the user to set any misc data for client use

    Accessors

    • get scaleY(): number

      scale getter (y = x for Circle)

      Returns number

    Methods

    • draw the collider

      Parameters

      • context: CanvasRenderingContext2D

      Returns void

    • draw the bounding box

      Parameters

      • context: CanvasRenderingContext2D

      Returns void

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