Answer by Kaiido for Only have globalAlpha effect one layer of a canvas?
You can have layers with canvas. The idea is that each layer will be an off-screen canvas, that you will draw in proper order on the main, on-screen canvas.Using your code, it would give something like...
View ArticleAnswer by Blindman67 for Only have globalAlpha effect one layer of a canvas?
Hope I got this right. Image to fade from black while background blue/cyan is not affected.You need to use the ctx.globalCompositeOperation (GCO) and it is a little counter intuitive. First clear the...
View ArticleOnly have globalAlpha effect one layer of a canvas?
I'm trying to use globalAlpha to 'fade out' the top layer of my canvas, to revel a middle layer image, and a solid background color. I'm using the code below, which successfully fades out the black...
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