public void Awake()
{
rect = GetComponent <RectTransform>().rect;
// Update Overlay based on initial dimensions
Overlay.SetTextureScreenSize(JigsawUtilities.RectTransformToScreenSpace(PreviewImage.rectTransform).size);
}
private void OnGUI()
{
if (!DoDraw)
{
return;
}
if (OverlayColor != CachedOverlayColor)
{
OverlayTexture.SetPixel(0, 0, OverlayColor);
OverlayTexture.Apply();
}
// Compute the scale and offset, cutting off edges from the texture as needed (rather than letterboxing)
float wScale = (float)TextureScreenWidth / (float)GridWidth;
float hScale = (float)TextureScreenHeight / (float)GridHeight;
float cellSize;
Vector2 gridRoot = JigsawUtilities.RectTransformToScreenSpace(rectTransform).min;
// Rect coords are [0,0] in the top-left to [ScreenWidth,ScreenHeight] in the bottom-right
if (wScale < hScale)
{
cellSize = wScale;
gridRoot += new Vector2(0.0f, 0.5f * (TextureScreenHeight - GridHeight * cellSize));
}
else
{
cellSize = hScale;
gridRoot += new Vector2(0.5f * (TextureScreenWidth - GridWidth * cellSize), 0.0f);
}
// Draw cells
float halfLineThickness = 0.5f * LineThickness;
Rect lineRect = new Rect();
lineRect.xMin = gridRoot.x - halfLineThickness;
lineRect.xMax = gridRoot.x + (GridWidth * cellSize) + halfLineThickness;
for (int i = 0; i <= GridHeight; ++i)
{
lineRect.yMin = gridRoot.y + (i * cellSize) - halfLineThickness;
lineRect.yMax = lineRect.yMin + LineThickness;
GUI.DrawTexture(lineRect, OverlayTexture);
}
lineRect.yMin = gridRoot.y - halfLineThickness;
lineRect.yMax = gridRoot.y + (GridHeight * cellSize) + halfLineThickness;
for (int j = 0; j <= GridWidth; ++j)
{
lineRect.xMin = gridRoot.x + (j * cellSize) - halfLineThickness;
lineRect.xMax = lineRect.xMin + LineThickness;
GUI.DrawTexture(lineRect, OverlayTexture);
}
}
private void Awake()
{
if (StaticJigsawData.ErrorHUD == null)
{
StaticJigsawData.ErrorHUD = this;
}
else
{
JigsawUtilities.RecursiveDestroy(gameObject);
}
}
public void UpdatePreviewImage(Texture2D PreviewTexture)
{
PreviewImage.texture = PreviewTexture;
float texAspect = (float)PreviewTexture.width / (float)PreviewTexture.height;
if (texAspect > 1.0f)
{
PreviewImage.rectTransform.sizeDelta = new Vector2(rect.width, rect.height / texAspect);
}
else
{
PreviewImage.rectTransform.sizeDelta = new Vector2(texAspect * rect.width, rect.height);
}
// Update Overlay based on new dimensions
Overlay.SetTextureScreenSize(JigsawUtilities.RectTransformToScreenSpace(PreviewImage.rectTransform).size);
}
