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只需将此组件添加到画布中的空对象即可。强烈建议您将此对象放入其自己的画布/嵌套画布中#xff0c;因为它会弄脏每一帧的画布并导致重新生成整个网格。
注意#xff1a;不支持切片图像。
using System.Collections.Generic;
using UnityEngine;
using UnityEng…如何使用
只需将此组件添加到画布中的空对象即可。强烈建议您将此对象放入其自己的画布/嵌套画布中因为它会弄脏每一帧的画布并导致重新生成整个网格。
注意不支持切片图像。
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Sprites;
using UnityEngine.UI;
#if UNITY_2017_4 || UNITY_2018_2_OR_NEWER
using UnityEngine.U2D;
#endif#if UNITY_EDITOR
using UnityEditor;// Custom Editor to order the variables in the Inspector similar to Image component
[CustomEditor( typeof( WavyImage ) )]
[CanEditMultipleObjects]
public class WavyImageEditor : Editor
{private SerializedProperty colorProp, spriteProp, preserveAspectProp, waveSpeedIgnoresTimeScaleProp;private GUIContent spriteLabel;private ListWavyImage wavyImages;private bool inspectingAsset;internal static bool previewInEditor;private void OnEnable(){Object[] _targets targets;wavyImages new ListWavyImage( _targets.Length );for( int i 0; i _targets.Length; i ){WavyImage wavyImage _targets[i] as WavyImage;if( wavyImage ){wavyImages.Add( wavyImage );inspectingAsset | AssetDatabase.Contains( wavyImage );}}colorProp serializedObject.FindProperty( m_Color );spriteProp serializedObject.FindProperty( m_Sprite );preserveAspectProp serializedObject.FindProperty( m_PreserveAspect );waveSpeedIgnoresTimeScaleProp serializedObject.FindProperty( m_WaveSpeedIgnoresTimeScale );spriteLabel new GUIContent( Source Image );}private void OnDisable(){if( previewInEditor ){previewInEditor false;RefreshWavyImages();}EditorApplication.update - PreviewInEditor;}public override void OnInspectorGUI(){serializedObject.Update();EditorGUILayout.PropertyField( colorProp );EditorGUILayout.PropertyField( spriteProp, spriteLabel );if( spriteProp.hasMultipleDifferentValues || spriteProp.objectReferenceValue ){EditorGUI.indentLevel;EditorGUILayout.PropertyField( preserveAspectProp );EditorGUI.indentLevel--;}DrawPropertiesExcluding( serializedObject, m_Script, m_Color, m_Sprite, m_PreserveAspect, m_WaveSpeedIgnoresTimeScale, m_OnCullStateChanged );EditorGUI.indentLevel;EditorGUILayout.PropertyField( waveSpeedIgnoresTimeScaleProp );EditorGUI.indentLevel--;serializedObject.ApplyModifiedProperties();if( !EditorApplication.isPlayingOrWillChangePlaymode !inspectingAsset ){EditorGUILayout.Space();EditorGUI.BeginChangeCheck();previewInEditor GUILayout.Toggle( previewInEditor, Preview In Editor, GUI.skin.button );if( EditorGUI.EndChangeCheck() ){if( previewInEditor ){EditorApplication.update - PreviewInEditor;EditorApplication.update PreviewInEditor;}else{EditorApplication.update - PreviewInEditor;RefreshWavyImages();EditorApplication.delayCall RefreshWavyImages; // Preview is sometimes not reset immediately without this call}}}}private void PreviewInEditor(){if( EditorApplication.isPlayingOrWillChangePlaymode ){previewInEditor false;EditorApplication.update - PreviewInEditor;}elseRefreshWavyImages();}private void RefreshWavyImages(){EditorApplication.QueuePlayerLoopUpdate();}
}
#endif[RequireComponent( typeof( CanvasRenderer ) )]
[AddComponentMenu( UI/Wavy Image, 12 )]
public class WavyImage : MaskableGraphic, ILayoutElement
{[SerializeField]private Sprite m_Sprite;public Sprite sprite{get { return m_Sprite; }set{if( m_Sprite ){if( m_Sprite ! value ){m_Sprite value;SetAllDirty();TrackImage();}}else if( value ){m_Sprite value;SetAllDirty();TrackImage();}}}[SerializeField]private bool m_PreserveAspect;public bool preserveAspect{get { return m_PreserveAspect; }set { if( m_PreserveAspect ! value ) { m_PreserveAspect value; SetVerticesDirty(); } }}[Header( Wave Animation )][Tooltip( Number of rows and columns in the generated grid. The larger this value is, the smoother the wave animation will be but the calculations will also take more time. )][Range( 0, 10 )][SerializeField]private int m_WaveSegments 3;public int waveSegments{get { return m_WaveSegments; }set { if( m_WaveSegments ! value ) { m_WaveSegments value; SetVerticesDirty(); } }}[Range( -0.5f, 0.5f )][SerializeField]private float m_WaveStrength 0.15f;public float waveStrength{get { return m_WaveStrength; }set { if( m_WaveStrength ! value ) { m_WaveStrength value; SetVerticesDirty(); } }}[Tooltip( As this value increases, the wave animation will become more chaotic because vertices will start moving in more random directions. )][Range( 0f, 1f )][SerializeField]private float m_WaveDiversity 0.5f;private float waveDiversitySqrt; // The visual impact of waveDiversitys square root seems to be more uniform than waveDiversity itselfpublic float waveDiversity{get { return m_WaveDiversity; }set { if( m_WaveDiversity ! value ) { m_WaveDiversity value; waveDiversitySqrt Mathf.Sqrt( value ); SetVerticesDirty(); } }}[SerializeField]private float m_WaveSpeed 0.5f;public float waveSpeed{get { return m_WaveSpeed; }set { if( m_WaveSpeed ! value ) { m_WaveSpeed value; SetVerticesDirty(); } }}[SerializeField]private bool m_WaveSpeedIgnoresTimeScale true;public bool waveSpeedIgnoresTimeScale{get { return waveSpeedIgnoresTimeScale; }set { waveSpeedIgnoresTimeScale value; }}private float waveAnimationTime;public override Texture mainTexture { get { return m_Sprite ? m_Sprite.texture : s_WhiteTexture; } }public float pixelsPerUnit{get{float spritePixelsPerUnit 100;if( m_Sprite )spritePixelsPerUnit m_Sprite.pixelsPerUnit;float referencePixelsPerUnit 100;if( canvas )referencePixelsPerUnit canvas.referencePixelsPerUnit;return spritePixelsPerUnit / referencePixelsPerUnit;}}public override Material material{get{if( m_Material ! null )return m_Material;if( m_Sprite m_Sprite.associatedAlphaSplitTexture ! null ){
#if UNITY_EDITORif( Application.isPlaying )
#endifreturn Image.defaultETC1GraphicMaterial;}return defaultMaterial;}set { base.material value; }}protected override void Awake(){base.Awake();waveDiversitySqrt Mathf.Sqrt( m_WaveDiversity );}protected override void OnEnable(){base.OnEnable();TrackImage();}protected override void OnDisable(){base.OnDisable();if( m_Tracked )UnTrackImage();}private void Update(){if( m_WaveSegments 0 m_WaveSpeed ! 0f m_WaveStrength ! 0f )SetVerticesDirty();}protected override void OnPopulateMesh( VertexHelper vh ){vh.Clear();Color32 color32 color;Rect rect GetPixelAdjustedRect();Vector4 uv;float bottomLeftX, bottomLeftY, width, height;if( m_Sprite ){uv DataUtility.GetOuterUV( m_Sprite );Vector4 padding DataUtility.GetPadding( m_Sprite );Vector2 size m_Sprite.rect.size;int spriteW Mathf.RoundToInt( size.x );int spriteH Mathf.RoundToInt( size.y );if( m_PreserveAspect size.sqrMagnitude 0f ){float spriteRatio size.x / size.y;float rectRatio rect.width / rect.height;if( spriteRatio rectRatio ){float oldHeight rect.height;rect.height rect.width * ( 1f / spriteRatio );rect.y ( oldHeight - rect.height ) * rectTransform.pivot.y;}else{float oldWidth rect.width;rect.width rect.height * spriteRatio;rect.x ( oldWidth - rect.width ) * rectTransform.pivot.x;}}bottomLeftX rect.x rect.width * padding.x / spriteW;bottomLeftY rect.y rect.height * padding.y / spriteH;width rect.width * ( spriteW - padding.z - padding.x ) / spriteW;height rect.height * ( spriteH - padding.w - padding.y ) / spriteH;}else{uv Vector4.zero;bottomLeftX rect.x;bottomLeftY rect.y;width rect.width;height rect.height;}#if UNITY_EDITORif( ( !Application.isPlaying !WavyImageEditor.previewInEditor ) || m_WaveSegments 0 )
#elseif( m_WaveSegments 0 )
#endif{// Generate normal Imagevh.AddVert( new Vector3( bottomLeftX, bottomLeftY, 0f ), color32, new Vector2( uv.x, uv.y ) );vh.AddVert( new Vector3( bottomLeftX, bottomLeftY height, 0f ), color32, new Vector2( uv.x, uv.w ) );vh.AddVert( new Vector3( bottomLeftX width, bottomLeftY height, 0f ), color32, new Vector2( uv.z, uv.w ) );vh.AddVert( new Vector3( bottomLeftX width, bottomLeftY, 0f ), color32, new Vector2( uv.z, uv.y ) );vh.AddTriangle( 0, 1, 2 );vh.AddTriangle( 2, 3, 0 );}else{// Generate multiple small quads and move their verticesfloat invWaveSegments 1f / m_WaveSegments;waveAnimationTime ( m_WaveSpeedIgnoresTimeScale ? Time.unscaledDeltaTime : Time.deltaTime ) * m_WaveSpeed;float widthOffset m_WaveStrength * width;float heightOffset m_WaveStrength * height;#if UNITY_EDITORwaveDiversitySqrt Mathf.Sqrt( m_WaveDiversity );
#endiffor( int i 0; i m_WaveSegments; i ){for( int j 0; j m_WaveSegments; j ){float normalizedX j * invWaveSegments;float normalizedY i * invWaveSegments;Vector2 _uv new Vector2( uv.z * normalizedX uv.x * ( 1f - normalizedX ), uv.w * normalizedY uv.y * ( 1f - normalizedY ) );Vector3 _position new Vector3( bottomLeftX width * normalizedX, bottomLeftY height * normalizedY, 0f );_position.x ( Mathf.PerlinNoise( normalizedX * waveDiversitySqrt waveAnimationTime, normalizedY * waveDiversitySqrt ) - 0.5f ) * widthOffset;_position.y ( Mathf.PerlinNoise( normalizedX * waveDiversitySqrt, normalizedY * waveDiversitySqrt waveAnimationTime ) - 0.5f ) * heightOffset;vh.AddVert( _position, color32, _uv );}}for( int i 0; i m_WaveSegments; i ){int firstTriangle i * ( m_WaveSegments 1 );for( int j 0; j m_WaveSegments; j ){int triangle firstTriangle j;int aboveTriangle triangle m_WaveSegments 1;vh.AddTriangle( triangle, aboveTriangle, aboveTriangle 1 );vh.AddTriangle( aboveTriangle 1, triangle 1, triangle );}}}}int ILayoutElement.layoutPriority { get { return 0; } }float ILayoutElement.minWidth { get { return 0f; } }float ILayoutElement.minHeight { get { return 0f; } }float ILayoutElement.flexibleWidth { get { return -1; } }float ILayoutElement.flexibleHeight { get { return -1; } }float ILayoutElement.preferredWidth { get { return m_Sprite ? ( m_Sprite.rect.size.x / pixelsPerUnit ) : 0f; } }float ILayoutElement.preferredHeight { get { return m_Sprite ? ( m_Sprite.rect.size.y / pixelsPerUnit ) : 0f; } }void ILayoutElement.CalculateLayoutInputHorizontal() { }void ILayoutElement.CalculateLayoutInputVertical() { }// Whether this is being tracked for Atlas Bindingprivate bool m_Tracked false;#if UNITY_2017_4 || UNITY_2018_2_OR_NEWERprivate static ListWavyImage m_TrackedTexturelessImages new ListWavyImage();private static bool s_Initialized;
#endifprivate void TrackImage(){if( m_Sprite ! null m_Sprite.texture null ){
#if UNITY_2017_4 || UNITY_2018_2_OR_NEWERif( !s_Initialized ){SpriteAtlasManager.atlasRegistered RebuildImage;s_Initialized true;}m_TrackedTexturelessImages.Add( this );
#endifm_Tracked true;}}private void UnTrackImage(){
#if UNITY_2017_4 || UNITY_2018_2_OR_NEWERm_TrackedTexturelessImages.Remove( this );
#endifm_Tracked false;}#if UNITY_2017_4 || UNITY_2018_2_OR_NEWERprivate static void RebuildImage( SpriteAtlas spriteAtlas ){for( int i m_TrackedTexturelessImages.Count - 1; i 0; i-- ){WavyImage image m_TrackedTexturelessImages[i];if( spriteAtlas.CanBindTo( image.sprite ) ){image.SetAllDirty();m_TrackedTexturelessImages.RemoveAt( i );}}}
#endif
}
