CustomCollider2D.GetCustomShapes

参数

返回

int 返回放置在指定physicsShapeGroup中的物理形状的总数。

描述

获取碰撞器中的所有物理形状和顶点，并将它们放置在指定的PhysicsShapeGroup2D中。

using UnityEngine;
using UnityEngine.Assertions;

public class Example : MonoBehaviour
{
    void Start()
    {
        // Fetch the custom collider.
        var customCollider = GetComponent<CustomCollider2D>();

        // Create an input shape group.
        var inputShapeGroup = new PhysicsShapeGroup2D();

        // Add 5 Circles to the shape group.
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.5f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.6f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.7f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.8f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.9f);

        // Assign our shapes.
        customCollider.SetCustomShapes(inputShapeGroup);

        // Validate the contents of the custom collider.
        Assert.AreEqual(5, customCollider.customShapeCount);

        // Create an output shape group.
        var outputShapeGroup = new PhysicsShapeGroup2D();

        // Get all the custom shapes.
        var shapeCount = customCollider.GetCustomShapes(outputShapeGroup);

        // Validate the results.
        Assert.AreEqual(5, shapeCount);
        Assert.AreEqual(5, outputShapeGroup.shapeCount);
        Assert.AreApproximatelyEqual(0.5f, outputShapeGroup.GetShape(shapeIndex: 0).radius);
        Assert.AreApproximatelyEqual(0.6f, outputShapeGroup.GetShape(shapeIndex: 1).radius);
        Assert.AreApproximatelyEqual(0.7f, outputShapeGroup.GetShape(shapeIndex: 2).radius);
        Assert.AreApproximatelyEqual(0.8f, outputShapeGroup.GetShape(shapeIndex: 3).radius);
        Assert.AreApproximatelyEqual(0.9f, outputShapeGroup.GetShape(shapeIndex: 4).radius);
    }
}

参数

返回

int 放置在指定physicsShapeGroup中的物理形状的总数。

描述

从shapeIndex开始获取由shapeCount定义的指定数量的物理形状以及这些形状使用且放置在指定的PhysicsShapeGroup2D中的所有关联顶点。

using UnityEngine;
using UnityEngine.Assertions;

public class Example : MonoBehaviour
{
    void Start()
    {
        // Fetch the custom collider.
        var customCollider = GetComponent<CustomCollider2D>();

        // Create an input shape group.
        var inputShapeGroup = new PhysicsShapeGroup2D();

        // Add 5 Circles to the shape group.
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.5f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.6f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.7f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.8f);
        inputShapeGroup.AddCircle(center: Vector2.zero,  radius: 0.9f);

        // Assign our shapes.
        customCollider.SetCustomShapes(inputShapeGroup);

        // Validate the contents of the custom collider.
        Assert.AreEqual(5, customCollider.customShapeCount);

        // Create an output shape group.
        var outputShapeGroup = new PhysicsShapeGroup2D();

        // Get the last 3 custom shapes.
        var shapeCount = customCollider.GetCustomShapes(outputShapeGroup, shapeIndex: 2, shapeCount: 3);

        // Validate the results.
        Assert.AreEqual(3, shapeCount);
        Assert.AreEqual(3, outputShapeGroup.shapeCount);
        Assert.AreApproximatelyEqual(0.7f, outputShapeGroup.GetShape(shapeIndex: 0).radius);
        Assert.AreApproximatelyEqual(0.8f, outputShapeGroup.GetShape(shapeIndex: 1).radius);
        Assert.AreApproximatelyEqual(0.9f, outputShapeGroup.GetShape(shapeIndex: 2).radius);
    }
}

参数

返回

int 返回置于指定数组中的 物理形状 的总数。

描述

获取碰撞器中的所有物理形状和顶点，并将其置于指定的数组中。

using Unity.Collections;
using UnityEngine;
using UnityEngine.Assertions;

public class Example : MonoBehaviour
{
    void Start()
    {
        // Fetch the custom collider.
        var customCollider = GetComponent<CustomCollider2D>();

        // Create an input shape group.
        var inputShapeGroup = new PhysicsShapeGroup2D();

        // Add 5 Circles to the shape group.
        inputShapeGroup.AddCircle(center: new Vector2(3f, 8f), radius: 0.5f);
        inputShapeGroup.AddCircle(center: new Vector2(6f, 3f), radius: 0.6f);
        inputShapeGroup.AddCircle(center: new Vector2(2f, 5f), radius: 0.7f);
        inputShapeGroup.AddCircle(center: new Vector2(9f, 2f), radius: 0.8f);
        inputShapeGroup.AddCircle(center: new Vector2(1f, 7f), radius: 0.9f);

        // Assign our shapes.
        customCollider.SetCustomShapes(inputShapeGroup);

        // Validate the contents of the custom collider.
        Assert.AreEqual(5, customCollider.customShapeCount);

        // Get all the custom shapes.
        var shapes = new NativeArray<PhysicsShape2D>(customCollider.customShapeCount, Allocator.Temp);
        var vertices = new NativeArray<Vector2>(customCollider.customVertexCount, Allocator.Temp);
        var shapeCount = customCollider.GetCustomShapes(shapes, vertices);

        // Validate the shapes.
        Assert.AreEqual(5, shapeCount);
        Assert.AreApproximatelyEqual(0.5f, shapes[0].radius);
        Assert.AreApproximatelyEqual(0.6f, shapes[1].radius);
        Assert.AreApproximatelyEqual(0.7f, shapes[2].radius);
        Assert.AreApproximatelyEqual(0.8f, shapes[3].radius);
        Assert.AreApproximatelyEqual(0.9f, shapes[4].radius);

        // Validate the vertices.
        Assert.AreEqual(new Vector2(3f, 8f), vertices[0]);
        Assert.AreEqual(new Vector2(6f, 3f), vertices[1]);
        Assert.AreEqual(new Vector2(2f, 5f), vertices[2]);
        Assert.AreEqual(new Vector2(9f, 2f), vertices[3]);
        Assert.AreEqual(new Vector2(1f, 7f), vertices[4]);

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