PhysicsShapeGroup2D.SetShapeVertex

参数

说明

设置形状的单个顶点。

注意：访问多个顶点时，执行以下操作之一更有效

• 使用 GetShapeVertices 获取所有形状顶点
• 使用 GetShapeData 获取所有形状组顶点
• 使用形状组 构造函数 使用明确的形状和顶点列表创建 PhysicsShapeGroup2D

其他资源： GetShapeVertex。

using UnityEngine;
using UnityEngine.Assertions;

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

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

        // Fetch the shape vertices from the shape group.
        var vertex0 = shapeGroup.GetShapeVertex(shapeIndex, vertexIndex: 0);
        var vertex1 = shapeGroup.GetShapeVertex(shapeIndex, vertexIndex: 1);

        // Validate the Capsule vertices.
        Assert.AreEqual(Vector2.down, vertex0);
        Assert.AreEqual(Vector2.up, vertex1);

        // Set the shape vertices in the shape group.
        shapeGroup.SetShapeVertex(shapeIndex, vertexIndex: 0, vertex: Vector2.left);
        shapeGroup.SetShapeVertex(shapeIndex, vertexIndex: 1, vertex: Vector2.right);

        // Fetch the shape vertices from the shape group.
        vertex0 = shapeGroup.GetShapeVertex(shapeIndex, vertexIndex: 0);
        vertex1 = shapeGroup.GetShapeVertex(shapeIndex, vertexIndex: 1);

        // Validate the Capsule vertices.
        Assert.AreEqual(Vector2.left, vertex0);
        Assert.AreEqual(Vector2.right, vertex1);
    }
}