PhysicsShapeGroup2D.GetShapeData

参数

描述

获取 PhysicsShapeGroup2D 中的形状和顶点的副本。

注意：因为这是一个副本，所以之后更改指定的 shapes 和 vertices 列表不会更改 PhysicsShapeGroup2D。

using System.Collections.Generic;
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
            );

        // Validate the contents.
        Assert.AreEqual(PhysicsShapeType2D.Circle, shapeGroup.GetShape(circleShapeIndex).shapeType);
        Assert.AreEqual(PhysicsShapeType2D.Capsule, shapeGroup.GetShape(capsuleShapeIndex).shapeType);

        // Fetch the shapes and vertices from the shape group.
        var shapes = new List<PhysicsShape2D>();
        var vertices = new List<Vector2>();
        shapeGroup.GetShapeData(shapes, vertices);

        // Fetch the Circle shape and validate shape and vertex.
        var circleShape = shapes[circleShapeIndex];
        Assert.AreEqual(PhysicsShapeType2D.Circle, circleShape.shapeType);
        Assert.AreApproximatelyEqual(1f, circleShape.radius);
        Assert.AreEqual(new Vector2(-2f, 3f), vertices[circleShape.vertexStartIndex]);

        // Fetch the Capsule shape and validate shape and vertices (2).
        var capsuleShape = shapes[capsuleShapeIndex];
        Assert.AreEqual(PhysicsShapeType2D.Capsule, capsuleShape.shapeType);
        Assert.AreApproximatelyEqual(0.5f, capsuleShape.radius);
        Assert.AreEqual(Vector2.down, vertices[capsuleShape.vertexStartIndex]);
        Assert.AreEqual(Vector2.up, vertices[capsuleShape.vertexStartIndex + 1]);
    }
}

参数

描述

获取 PhysicsShapeGroup2D 中的形状和顶点的副本。

注意：因为这是一个副本，所以之后更改指定的 shapes 和 vertices 数组不会更改 PhysicsShapeGroup2D。

using Unity.Collections;
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
            );

        // Validate the contents.
        Assert.AreEqual(PhysicsShapeType2D.Circle, shapeGroup.GetShape(circleShapeIndex).shapeType);
        Assert.AreEqual(PhysicsShapeType2D.Capsule, shapeGroup.GetShape(capsuleShapeIndex).shapeType);

        // Fetch the shapes and vertices from the shape group.
        var shapes = new NativeArray<PhysicsShape2D>(shapeGroup.shapeCount, Allocator.Temp);
        var vertices = new NativeArray<Vector2>(shapeGroup.vertexCount, Allocator.Temp);
        shapeGroup.GetShapeData(shapes, vertices);

        // Fetch the Circle shape and validate shape and vertex.
        var circleShape = shapes[circleShapeIndex];
        Assert.AreEqual(PhysicsShapeType2D.Circle, circleShape.shapeType);
        Assert.AreApproximatelyEqual(1f, circleShape.radius);
        Assert.AreEqual(new Vector2(-2f, 3f), vertices[circleShape.vertexStartIndex]);

        // Fetch the Capsule shape and validate shape and vertices (2).
        var capsuleShape = shapes[capsuleShapeIndex];
        Assert.AreEqual(PhysicsShapeType2D.Capsule, capsuleShape.shapeType);
        Assert.AreApproximatelyEqual(0.5f, capsuleShape.radius);
        Assert.AreEqual(Vector2.down, vertices[capsuleShape.vertexStartIndex]);
        Assert.AreEqual(Vector2.up, vertices[capsuleShape.vertexStartIndex + 1]);

        // Dispose of the native arrays.
        vertices.Dispose();
        shapes.Dispose();
    }
}