PhysicsShape2D.vertexCount

描述

用于表示形状类型的顶点总数。

有关每种类型如何使用不同数量的顶点来表示自身，请参阅PhysicsShapeType2D。

using UnityEngine;
using UnityEngine.Assertions;

public class Example : MonoBehaviour
{
    void Start()
    {
        // Create a shape group.
        var shapeGroup = new PhysicsShapeGroup2D();

        // Add a Circle to the shape group.
        var circleShapeIndex = shapeGroup.AddCircle
            (
                center: new Vector2(-2f, 3f),
                radius: 1f
            );

        // Add a Capsule to the shape group.
        var capsuleShapeIndex = shapeGroup.AddCapsule
            (
                vertex0: Vector2.down,
                vertex1: Vector2.up,
                radius: 0.5f
            );

        // Fetch the shapes.
        var circleShape = shapeGroup.GetShape(circleShapeIndex);
        var capsuleShape = shapeGroup.GetShape(capsuleShapeIndex);

        // Validate the shape vertex count.
        Assert.AreEqual(1, circleShape.vertexCount);
        Assert.AreEqual(2, capsuleShape.vertexCount);
    }
}