Lambertian Formula
Calculation at Probe Point (Front)
Vectors:
n
·
l
= cos(
0
°) =
1.00
Falloff:
1 / r² = 1 / (
5.0
)² =
0.04
Result:
0.8
×
100
×
0.04
×
1.0
=
3.2
* Note: Values clamped ≥ 0. Vectors normalized.
Parameters
Reset
Light Angle (Orbit)
0°
Distance (r)
5.0
Light Intensity (I)
100
Diffuse Coeff (kd)
0.8
Enable 1/r²
Show Vectors