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301
Assets/Scripts/Tween/TweenSystem.cs
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301
Assets/Scripts/Tween/TweenSystem.cs
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using Unity.Collections;
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using Unity.Entities;
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using UnityEngine;
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namespace Tween
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{
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public class TweenSystem : ComponentSystem
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{
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private NativeMultiHashMap<Entity, Entity> ActiveTweens;
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protected override void OnCreate()
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{
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ActiveTweens = new NativeMultiHashMap<Entity, Entity>(8, Allocator.Persistent);
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}
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protected override void OnDestroy()
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{
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ActiveTweens.Dispose();
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}
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protected override void OnUpdate()
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{
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var deltaTime = Time.DeltaTime;
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Entities.ForEach(
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(TweenValueFromToData props, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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props.OnUpdate?.Invoke(Mathf.Lerp(props.From, props.To, data.EaseType.Ease(data.Time)));
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});
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Entities.ForEach(
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(TweenMoveFromToData props, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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var pos = Vector2.Lerp(props.From, props.To, data.EaseType.Ease(data.Time));
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if (EntityManager.HasComponent<Rigidbody2D>(data.Target))
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{
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var rigidBody = EntityManager.GetComponentObject<Rigidbody2D>(data.Target);
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if (props.IgnorePhysics)
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{
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if (props.Space == Space.World)
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{
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rigidBody.position = pos;
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}
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else
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{
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rigidBody.position = rigidBody.transform.TransformPoint(pos);
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}
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}
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else
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{
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if (props.Space == Space.World)
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{
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rigidBody.MovePosition(pos);
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}
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else
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{
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rigidBody.MovePosition(rigidBody.transform.TransformPoint(pos));
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}
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}
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}
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else if (EntityManager.HasComponent<Transform>(data.Target))
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{
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var transform = EntityManager.GetComponentObject<Transform>(data.Target);
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switch (props.Space)
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{
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case Space.World:
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transform.position = pos;
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break;
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case Space.Self:
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transform.localPosition = pos;
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break;
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}
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}
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else if (EntityManager.HasComponent<RectTransform>(data.Target))
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{
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var transform = EntityManager.GetComponentObject<RectTransform>(data.Target);
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switch (props.Space)
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{
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case Space.World:
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transform.position = pos;
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break;
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case Space.Self:
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transform.localPosition = pos;
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break;
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}
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}
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});
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Entities.ForEach(
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(TweenMoveToMouseData props, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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var time = data.EaseType.Ease(data.Time);
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if (EntityManager.HasComponent<RectTransform>(data.Target))
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{
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var rectTransform = EntityManager.GetComponentObject<RectTransform>(data.Target);
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rectTransform.anchoredPosition = Vector2.Lerp(props.FromPosition, Input.mousePosition, time);
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}
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});
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Entities.ForEach(
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(TweenRotateFromToData props, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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var angle = Mathf.LerpAngle(props.From, props.To, data.EaseType.Ease(data.Time));
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if (EntityManager.HasComponent<Rigidbody2D>(data.Target))
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{
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var rigidBody = EntityManager.GetComponentObject<Rigidbody2D>(data.Target);
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if (props.Space == Space.World)
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{
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rigidBody.MoveRotation(angle);
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}
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}
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else if (EntityManager.HasComponent<Transform>(data.Target))
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{
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var transform = EntityManager.GetComponentObject<Transform>(data.Target);
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switch (props.Space)
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{
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case Space.World:
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transform.rotation = Quaternion.Euler(0, 0, angle);
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break;
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case Space.Self:
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transform.localRotation = Quaternion.Euler(0, 0, angle);
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break;
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}
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}
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else if (EntityManager.HasComponent<RectTransform>(data.Target))
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{
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var rectTransform = EntityManager.GetComponentObject<RectTransform>(data.Target);
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switch (props.Space)
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{
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case Space.World:
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rectTransform.rotation = Quaternion.Euler(0, 0, angle);
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break;
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case Space.Self:
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rectTransform.localRotation = Quaternion.Euler(0, 0, angle);
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break;
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}
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}
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});
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Entities.ForEach(
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(TweenScaleFromToData props, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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var scale = Vector2.Lerp(props.From, props.To, data.EaseType.Ease(data.Time));
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if (EntityManager.HasComponent<Transform>(data.Target))
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{
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var transform = EntityManager.GetComponentObject<Transform>(data.Target);
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transform.localScale = new Vector3(scale.x, scale.y, transform.localScale.z);
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}
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else if (EntityManager.HasComponent<RectTransform>(data.Target))
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{
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var rectTransform = EntityManager.GetComponentObject<RectTransform>(data.Target);
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rectTransform.localScale = new Vector3(scale.x, scale.y, rectTransform.localScale.z);
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}
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});
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Entities.ForEach(
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(Entity entity, ParticleEmissionData props, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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var rate = deltaTime * props.Rate;
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props.SpawnCount += rate;
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var spawnCount = Mathf.FloorToInt(props.SpawnCount);
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if (spawnCount > 0)
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{
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props.ParticleSystem.Emit(
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new ParticleSystem.EmitParams { position = props.Target != null ? (Vector2)props.Target.position : props.Position },
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spawnCount);
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props.SpawnCount -= spawnCount;
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}
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PostUpdateCommands.SetSharedComponent(entity, props);
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});
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Entities.ForEach(
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(TweenFollowPath props, ref TweenData data) =>
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{
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var point = Interp(props.path, data.EaseType.Ease(data.Time));
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if (EntityManager.HasComponent<Rigidbody2D>(data.Target))
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{
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var rigidBody = EntityManager.GetComponentObject<Rigidbody2D>(data.Target);
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if (props.Space == Space.World)
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{
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rigidBody.MovePosition(point);
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}
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else
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{
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rigidBody.MovePosition(rigidBody.transform.TransformPoint(point));
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}
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}
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else if (EntityManager.HasComponent<Transform>(data.Target))
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{
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var transform = EntityManager.GetComponentObject<Transform>(data.Target);
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if (props.Space == Space.World)
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{
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transform.position = point;
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}
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else
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{
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transform.localPosition = point;
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}
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}
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else if (EntityManager.HasComponent<RectTransform>(data.Target))
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{
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var rectTransform = EntityManager.GetComponentObject<RectTransform>(data.Target);
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if (props.Space == Space.World)
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{
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rectTransform.position = point;
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}
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else
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{
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rectTransform.anchoredPosition = point;
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}
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}
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});
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Entities.ForEach(
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(Entity entity, ref TweenData data) =>
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{
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if (data.Cancel)
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{
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return;
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}
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if (!data.Initialized)
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{
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ActiveTweens.Add(data.Target, entity);
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}
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data.Time = Mathf.Clamp01(data.Time + deltaTime * data.Speed);
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if (data.Time >= 1)
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{
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ActiveTweens.Remove(data.Target);
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PostUpdateCommands.DestroyEntity(entity);
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}
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});
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}
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private static Vector2 Interp(Vector2[] pts, float t)
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{
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var numSections = pts.Length - 3;
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var currPt = Mathf.Min(Mathf.FloorToInt(t * numSections), numSections - 1);
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var u = t * numSections - currPt;
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var a = pts[currPt];
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var b = pts[currPt + 1];
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var c = pts[currPt + 2];
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var d = pts[currPt + 3];
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return .5f * ((-a + 3f * b - 3f * c + d) * (u * u * u) + (2f * a - 5f * b + 4f * c - d) * (u * u) + (-a + c) * u + 2f * b);
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}
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public void StopAllTweens(Entity target)
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{
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if (!ActiveTweens.TryGetFirstValue(target, out var tween, out var it))
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{
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return;
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}
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var tData = EntityManager.GetComponentData<TweenData>(tween);
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tData.Cancel = true;
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EntityManager.SetComponentData(tween, tData);
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while (ActiveTweens.TryGetNextValue(out tween, ref it))
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{
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tData = EntityManager.GetComponentData<TweenData>(tween);
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tData.Cancel = true;
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EntityManager.SetComponentData(tween, tData);
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}
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}
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public bool HasTween(Entity target)
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{
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return ActiveTweens.TryGetFirstValue(target, out _, out _);
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}
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}
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}
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