Hi all,
How i can on a picture create several effects?
for example:
First applied grayscale then use composite.exclusion ?
You may need to use a snapshot (see: https://docs.coronalabs.com/api/library/display/newSnapshot.html) to create a new object to apply your next effect too.
Rob
Hey Rob, I could not understand how this works. it dumb for me .
please provide a sample? :unsure:
Did you follow the link to read the guide? https://docs.coronalabs.com/guide/graphics/snapshot.html
This should explain what a snapshot is and how it works. But basically you put things into a snapshot much like putting them into a group, but what you get out is a flattened image with all the things in the group being a single image. Now with that single image, you can apply another fill effect.
local imageA = display.newRect( 100, 100, 100, 100 ) local paint = { type = "gradient", color1 = { 1, 0, 0.4 }, color2 = { 1, 0, 0, 0.2 }, direction = "down" } imageA.fill = paint local imageB = display.newSnapshot( 100, 100 ) imageB.x = 100 imageB.y = 100 imageB.group:insert( imageA ) local paint2 = { type = "composite", paint1 = { type="image", filename="wood.png" }, paint2 = { type="image", filename="dust.png" } } imageB.fill = paint2 imageB.effect = "composite.average"
or something like that. Now at the end, imageB is your fully rendered image (untested code).
Rob
You may need to use a snapshot (see: https://docs.coronalabs.com/api/library/display/newSnapshot.html) to create a new object to apply your next effect too.
Rob
Hey Rob, I could not understand how this works. it dumb for me .
please provide a sample? :unsure:
Did you follow the link to read the guide? https://docs.coronalabs.com/guide/graphics/snapshot.html
This should explain what a snapshot is and how it works. But basically you put things into a snapshot much like putting them into a group, but what you get out is a flattened image with all the things in the group being a single image. Now with that single image, you can apply another fill effect.
local imageA = display.newRect( 100, 100, 100, 100 ) local paint = { type = "gradient", color1 = { 1, 0, 0.4 }, color2 = { 1, 0, 0, 0.2 }, direction = "down" } imageA.fill = paint local imageB = display.newSnapshot( 100, 100 ) imageB.x = 100 imageB.y = 100 imageB.group:insert( imageA ) local paint2 = { type = "composite", paint1 = { type="image", filename="wood.png" }, paint2 = { type="image", filename="dust.png" } } imageB.fill = paint2 imageB.effect = "composite.average"
or something like that. Now at the end, imageB is your fully rendered image (untested code).
Rob