787b285227
1.导入URP
2.配置了URP
3.导入Dotween
4.导入Odin
5.导入了InputSystem
6.设置项目为新旧输入系统并用
7.导入了FunGus
8.创建了一些空文件夹
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85 lines
3.5 KiB
C#
85 lines
3.5 KiB
C#
// This code is part of the Fungus library (https://github.com/snozbot/fungus)
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// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
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using UnityEngine;
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namespace Fungus
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{
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/// <summary>
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/// Attach this component to a sprite object to apply a simple parallax scrolling effect.
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/// The horizontal and vertical parallax offset is calculated based on the distance from the camera to the position of the background sprite.
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/// The scale parallax is calculated based on the ratio of the camera size to the size of the background sprite. This gives a 'dolly zoom' effect.
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/// Accelerometer based parallax is also applied on devices that support it.
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/// </summary>
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public class Parallax : MonoBehaviour
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{
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/// <summary>
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/// The background sprite which this sprite is layered on top of.
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/// The position of this sprite is used to calculate the parallax offset.
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/// </summary>
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[SerializeField] protected SpriteRenderer backgroundSprite;
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/// <summary>
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/// Scale factor for calculating the parallax offset.
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/// </summary>
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[SerializeField] protected Vector2 parallaxScale = new Vector2(0.25f, 0f);
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/// <summary>
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/// Scale factor for calculating parallax offset based on device accelerometer tilt angle.
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/// Set this to 0 to disable the accelerometer parallax effect.
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/// </summary>
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[SerializeField] protected float accelerometerScale = 0.5f;
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protected Vector3 startPosition;
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protected Vector3 acceleration;
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protected Vector3 velocity;
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protected virtual void Start ()
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{
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// Store the starting position and scale of the sprite object
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startPosition = transform.position;
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// Default to using parent sprite as background
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if (backgroundSprite == null)
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{
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backgroundSprite = gameObject.GetComponentInParent<SpriteRenderer>();
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}
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}
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protected virtual void Update ()
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{
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if (backgroundSprite == null)
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{
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return;
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}
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Vector3 translation = Vector3.zero;
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// Apply parallax translation based on camera position relative to background sprite
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{
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Vector3 a = backgroundSprite.bounds.center;
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Vector3 b = Camera.main.transform.position;
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translation = (a - b);
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translation.x *= parallaxScale.x;
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translation.y *= parallaxScale.y;
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translation.z = 0;
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// TODO: Limit parallax offset to just outside the bounds of the background sprite
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}
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// Apply parallax translation based on device accelerometer
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if (SystemInfo.supportsAccelerometer)
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{
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float maxParallaxScale = Mathf.Max(parallaxScale.x, parallaxScale.y);
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// The accelerometer data is quite noisy, so we apply smoothing to even it out.
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acceleration = Vector3.SmoothDamp(acceleration, Input.acceleration, ref velocity, 0.1f);
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// Assuming a 45 degree "neutral position" when holding a mobile device
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Vector3 accelerometerOffset = Quaternion.Euler(45, 0, 0) * acceleration * maxParallaxScale * accelerometerScale;
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translation += accelerometerOffset;
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}
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transform.position = startPosition + translation;
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}
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}
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}
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