diff options
Diffstat (limited to 'intern/cycles/kernel/shaders/node_ies_light.osl')
| -rw-r--r-- | intern/cycles/kernel/shaders/node_ies_light.osl | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/intern/cycles/kernel/shaders/node_ies_light.osl b/intern/cycles/kernel/shaders/node_ies_light.osl index a0954e3a444..ea8c44e09de 100644 --- a/intern/cycles/kernel/shaders/node_ies_light.osl +++ b/intern/cycles/kernel/shaders/node_ies_light.osl @@ -19,24 +19,23 @@ /* IES Light */ -shader node_ies_light( - int use_mapping = 0, - matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), - int slot = 0, - float Strength = 1.0, - point Vector = I, - output float Fac = 0.0) +shader node_ies_light(int use_mapping = 0, + matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), + int slot = 0, + float Strength = 1.0, + point Vector = I, + output float Fac = 0.0) { - point p = Vector; + point p = Vector; - if (use_mapping) { - p = transform(mapping, p); - } + if (use_mapping) { + p = transform(mapping, p); + } - p = normalize(p); + p = normalize(p); - float v_angle = acos(-p[2]); - float h_angle = atan2(p[0], p[1]) + M_PI; + float v_angle = acos(-p[2]); + float h_angle = atan2(p[0], p[1]) + M_PI; - Fac = Strength * texture(format("@l%d", slot), h_angle, v_angle); + Fac = Strength * texture(format("@l%d", slot), h_angle, v_angle); } |