home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Personal Computer World 1995 January
/
pcw-0195.iso
/
polyray
/
dat
/
function
/
lundin.pi
< prev
next >
Wrap
Text File
|
1994-12-31
|
534b
|
28 lines
// start_frame 0
// end_frame 40
// Set up the camera
viewpoint {
from <10,0,0>
at <0,0,0>
up <0,1,0>
angle 30
resolution 256, 256
}
// Set up background color & lights
background SkyBlue
light <10,10,-10>
include "..\colors.inc"
define d 0.5 * (1 - frame / end_frame)
define k 1.0
// Define a Lundin surface
object {
function (x - d * sin(k / z))^2 + (y - d * cos(k / z))^2 + z^2 - 1
bounding_box <-(1+d), -(1+d),-2>, <(1+d), (1+d), 2>
uv_steps 256, 256
shiny_red
}