4.4.2 Normal Maps in Photoshop
Now i will try to simulate in photoshop the same effect as shown above with lights within maya but this time using layer styles.
I will set the background color to 128 128 255
I will need 5 layers, one for each light ( made 5 layers and changed their fill opacity to 0 then i will make selections and fill them within each layer but only the effects will be visible)
For Red normal light apply an effect like below (bevel and emboss), uncheck use global lighting ,set the angle to 0 (the light will come from right),set altitude to 0 (light parallel with the screen), highlight mode set to overlay with color 255 128 128 (RGB) to lighten only the red channel and opacity to 100% , set opacity for shadows to 0 (don't need that).
You can play however you want with the settings under structure but you have to make sure that all the effects have same settings
for Red sucker light copy and paste the last effect and change the angle to 180 deg ( light coming from left) and change color to 0 128 128 so it will subtract light/darken only the red channel
for Green normal light paste the same effect but change the angle to 90 deg (light coming from top) and change color for the highlight to 128 255 128 to lighten only the green channel
for Green sucker light paste the same effect but change the angle to -90 deg (light coming from below) and change color for the highlight to 128 0 128 to darken only the green channel
and finally for the blue channel apply an inner shadow effect , uncheck global lighting, distance 0, choke 0, set size to whatever you had for the size of the bevel and emboss and set color to 255 255 128 to darken only the blue channel, opacity to 100
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