/// <summary>
/// Generates the shadow from the source Image.
/// </summary>
public void GenerateShadowFromImage()
{
isDone = false;
// Gets the source Image's Sprite's Texture to use
destImage = gameObject.GetComponent <Image>();
if (!destImage)
{
destImage = gameObject.AddComponent <Image>();
}
sourceSprite = sourceImage.sprite;
if (sourceSprite != null)
{
Texture sourceOriginalTexture = sourceSprite.texture;
sourceOriginalTexture.hideFlags = HideFlags.HideAndDontSave;
// We can't just use sourceOriginalTexture, as it may not be read/write enabled.
// Instead, we copy it using the filepath and WWW.LoadImageIntoTexture
string path = "file://" + Application.dataPath.Replace("Assets", "");
path += AssetDatabase.GetAssetPath(sourceOriginalTexture);
WWW www = new WWW(path);
ContinuationManager.Add(() => www.isDone, () =>
{
sourceTex = new Texture2D(sourceOriginalTexture.width, sourceOriginalTexture.height);
sourceTex.hideFlags = HideFlags.HideAndDontSave;
www.LoadImageIntoTexture(sourceTex);
SetupFile();
});
}
else
{
sourceTex = new Texture2D(8, 8);
int yCounter = 0;
int xCounter = 0;
while (xCounter < sourceTex.width)
{
while (yCounter < sourceTex.height)
{
sourceTex.SetPixel(xCounter, yCounter, Color.black);
yCounter++;
}
xCounter++;
yCounter = 0;
}
sourceTex.Apply();
SetupFile();
}
}
private void GenerateShadow(ShadowGenerator myTarget)
{
if (Selection.gameObjects.Length > 1)
{
for (var i = 0; i < Selection.gameObjects.Length; i++)
{
if (Selection.gameObjects[i].GetComponent <ShadowGenerator>())
{
Selection.gameObjects[i].GetComponent <ShadowGenerator>().GenerateShadowFromImage();
}
}
}
else
{
m_IsGenerating = true;
Repaint();
myTarget.GetComponent <ShadowGenerator>().GenerateShadowFromImage();
ContinuationManager.Add(() => myTarget.isDone, () =>
{
m_IsGenerating = false;
Repaint();
});
}
}