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light: some tweaks to docs for clairty

This commit is contained in:
Eric Wasylishen 2016-07-26 16:31:08 -06:00
parent e7c824e766
commit dea6514298
1 changed files with 11 additions and 11 deletions
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22
man/light.1
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@ -138,8 +138,8 @@ Set the scaling of sunlight brightness due to the angle of incidence with a
surface (more detailed explanation in the "_anglescale" light entity key
below).
.IP "\fB""_sunlight_mangle"" ""x y z""\fP | \fB""_sun_mangle"" ""x y z""\fP"
Specifies the direction of sunlight using yaw(x), pitch(y) and roll(z) in
.IP "\fB""_sunlight_mangle"" ""yaw pitch roll""\fP | \fB""_sun_mangle"" ""yaw pitch roll""\fP"
Specifies the direction of sunlight using yaw, pitch and roll in
degrees. Yaw specifies the angle around the Z-axis from 0 to 359 degrees and
pitch specifies the angle from 90 (shining straight up) to -90 (shining straight down from above). Roll
has no effect, so use any value (e.g. 0). Default is straight down ("0 -90
@ -297,19 +297,13 @@ accepted). Default is white light
Turns the light into a spotlight, with the direction of light being towards
another entity with it's "targetname" key set to "name".
.IP "\fB""mangle"" ""x y z""\fP"
.IP "\fB""mangle"" ""yaw pitch roll""\fP"
Turns the light into a spotlight and specifies the direction of light using
yaw(x), pitch(y) and roll(z) in degrees. Yaw specifies the angle around the
yaw, pitch and roll in degrees. Yaw specifies the angle around the
Z-axis from 0 to 359 degrees and pitch specifies the angle from 90 (straight
up) to -90 (straight down). Roll has no effect, so use any value (e.g. 0).
Often easier than the "target" method.
.IP "\fB""_surface_spotlight"" ""n""\fP"
For a surface light template (i.e. a light with "_surface" set), setting this to
"1" makes each instance into a spotlight, with the direction of light
pointing along the surface normal. In other words, it automatically sets
"mangle" on each of the generated lights.
.IP "\fB""angle"" ""n""\fP"
Specifies the angle in degrees for a spotlight cone. Default 40.
@ -361,6 +355,12 @@ the surfaces.
.IP "\fB""_surface_offset"" ""n""\fP"
Controls the offset lights are placed above surfaces for "_surface". Default 2.
.IP "\fB""_surface_spotlight"" ""n""\fP"
For a surface light template (i.e. a light with "_surface" set), setting this to
"1" makes each instance into a spotlight, with the direction of light
pointing along the surface normal. In other words, it automatically sets
"mangle" on each of the generated lights.
.IP "\fB""_project_texture"" ""texture""\fP"
Specifies that a light should project this texture. The texture must be used in the map somewhere.
@ -368,7 +368,7 @@ Specifies that a light should project this texture. The texture must be used in
Specifies the yaw/pitch/roll angles for a texture projection (overriding mangle).
.IP "\fB""_project_fov"" ""n""\fP"
Specifies the fov angle for a texture projection.
Specifies the fov angle for a texture projection. Default 90.
.SH AUTHOR