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    Class PolygonCollider

    PolygonCollider class is a collider that represents a polygon shape

    Hierarchy (View Summary)

    Index

    Constructors

    constructor

    Properties

    data gameObject onDataChanged rigidbody? vertices

    Methods

    collide detach getGravitationCenter getVerticesWithTransform notifyDataChanged onDisable onEnable setup tick

    Constructors

    Properties

    data: Collision[]
    gameObject: GameObject
    onDataChanged: Event<Collision[]> = ...
    rigidbody?: Rigidbody
    vertices: Vector2[]

    Methods

    • Detach this behavior from the GameObject it is attached to.

      Parameters

      • from: GameObject

        The GameObject to detach this behavior from.

      Returns void

      Error if the behavior is not attached to the GameObject.

    • Get the gravitation center of the polygon

      Returns Vector3

      The centroid ( (C_x, C_y) ) of a polygon is given by:

      • $C_x = \frac{1}{6A} \sum_{i=1}^{n} (x_i + x_{i+1})(x_i y_{i+1} - x_{i+1} y_i)$
      • $C_y = \frac{1}{6A} \sum_{i=1}^{n} (y_i + y_{i+1})(x_i y_{i+1} - x_{i+1} y_i)$
      • $A$ is the area of the polygon.
      • $(x_i, y_i)$ are the coordinates of the vertices.
      • $n$ is the number of vertices.

    • Like onEnable, but should only be for internal use, so some non-abstact direct behaviors could expose attachedOn to the user. AT THE END OF THIS FUNCTION, WE EXPECT this.data to be filled (and not undefined). This isn't an assertion becaus we support T as void.

      Parameters

      • attachedOn: GameObject

        The GameObject this behavior is attached to.

      Returns void

      Error if the behavior is already attached to a GameObject.

    • Protected

      Called every frame. Override this method to add custom behavior.

      Parameters

      • _deltaTime: number

        The time in seconds since the last frame.

        • This method should not be called directly except by the GameEngineWindowComponent.

      Returns void

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