Deconstructed Merge
Deconstructed Merge
SUMMARY
- Disclaimer: The explanation below doesn't describe the exact mathematical operation running behind-the-scenes, but is an accurate representation, only slightly modified to better serve the pedagogy
- A Merge Over acts in two independent steps:
- - The alpha of the A input punches a hole in the background
- - The foreground color is added to the background color
- Therefore the foreground is always visible whether it has an alpha or not. Only the visibility of the background through the foreground varies
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