Post by rendadongdong in Crystal - 2D Lighting Engine comments

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Thank you. I have another question: When I add an outline shader in the draw event, it causes issues with the rendering of lighting and shadows. How can I correctly use the shader without affecting the display of lighting and shadows?

Foxy Of Jungle234 days ago

Hmm, any shader should work normally, I suspect it might be the alpha testing? (gpu_set_alphatestenable etc)

Could you show how you're doing this on Discord?

rendadongdong228 days ago

The first image shows the mouse is not on the chair, while the second image shows the mouse placed on the chair. An outline shader has been added to the second image. I don't understand why this is happening—gpu_set_alphatestenable is set to true.

Foxy Of Jungle228 days ago (1 edit)

See: 2. When a transparent object passes over another, it occludes

"If you are using shader_set(), you may have to do the alpha test manually within the fragment shader. This is because GameMaker does not add the DoAlphaTest() function to the shader internally"

rendadongdong227 days ago(+1)

Thank you, I will check the shader code.

rendadongdong227 days ago

it's worked,thank you!

Foxy Of Jungle227 days ago

Very nice! :D

itch.io

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