hcmetal

How to occlude glow effect

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Hello everyone,

I am trying to find a way to properly occlude the glow effect. Consider:

glow01.jpg.64e1db51dec9e65edf308f3a2ae51121.jpg

from the other side:

glow02.jpg.992b75db954bc269b05b61ecfc5bf9af.jpg

The glow effects are not occluded by the walls and other opaque objects.

Related code:

const lamps = scene.getMeshByName("hotel_lower_lamp");
const glow = new BABYLON.GlowLayer("glow", scene);
glow.addIncludedOnlyMesh(lamps);

Just to be sure, I have also set opaque materials:

material.transparencyMode = 0;

Hope someone can point me to the right direction.

Thanks alot!

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As you only include the lamps, the occluder are not rendered in the layer. In order to add the occluder, and therefore glow occlusion, you either need to simply call add vs add includedonlymesh or you also need to addIncludedOnlyMesh for the occluders.

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@Myjestic,

As shown in PG: https://playground.babylonjs.com/#QLBNSV#2

1. Include sphere1 in the glow layer, and set its material's emmissiveColor to black. Then sphere1 will occlude sphere2's glow effect.

If you want both spheres to glow, consider setting their emmissiveColor to different colors or intensities. Don't over-blow the exposure so you can see the "occluded" effect.

PG: https://playground.babylonjs.com/#QLBNSV#3

2. You can use the sphere materials' emmissiveColor to control the glow color, or use "gl.customEmissiveColorSelector" on the glow layer.

Doc: https://doc.babylonjs.com/how_to/glow_layer#controlling-glow-color-per-mesh

Hope this solves your problems. Please let me know if there are any further questions.

Cheers!

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