/// <summary>
/// initialize wipe setting and create brush sprite and particle if available
/// </summary>
/// <param name="settings"></param>
/// <param name="wipeTransform"></param>
public void Init(WipeSettings settings, Transform wipeTransform)
{
paintFinished = false;
wipeSettings = settings;
//Get compute shader from WipeManager
computeShader = settings.computeShader;
//Get ID of function from Compute Shader to call
kernelHandle = computeShader.FindKernel("CSMain");
onWipeEventHandlers = wipeTransform.GetComponentsInChildren <IOnWipeEventHandler>(); //use wipemanager
//Get WipeBrush texture from editor
Texture2D newTexture = wipeSettings.wipeBrush.texture;
//Set size of WipeBrush based on "brushSize" from Editor
Vector2 newSize = new Vector2(wipeSettings.brushSize * ((float)newTexture.width / newTexture.height), wipeSettings.brushSize);
//Get WipeBrush texture with "brushSize"
newTexture = ScaleTexture(newTexture, (int)newSize.x, (int)newSize.y);
//Create sprite from WipeBrush texture
wipeBrushSprite = Sprite.Create(newTexture, new Rect(0, 0, newTexture.width, newTexture.height), new Vector2(0.5f, 0.5f), 2000);
wipeBrushSprite.texture.Apply();
//Get all pixels from WipeBrush image
brushColorDefault = wipeBrushSprite.texture.GetPixels();
}
private void Awake()
{
if (!Application.isPlaying && wipeSettings == null)
{
wipeSettings = new WipeSettings();
}
}