Add material environment lighting intensity to Standard Material

[yaustar]

Forum: https://forum.playcanvas.com/t/fresnel-material-issues/24358

From @slimbuck

Hi @DevEdge,

In previous versions of the engine we were applying scene intensity to the material’s overridden sphereMap & envMap. This was fixed in 1.52 and so in your example the sphere is white because it no longer is being multiplied by the scene intensity of 0.01.

Material’s “Environment” settings should have its own “Intensity” setting for this. Hopefully we could add this soonish.

Until then you could override this and this chunk by multiplying the calculated reflection by 0.01.

Thanks!

[mvaligursky]

related / duplicate #771

[slimbuck]

As @GSterbrant pointed out, this is possible to control with material_intensity called "Environment Reflectivity" in the editor. Closing!