From f990e102d06b581a1d6749797bc79d03ad6f5657 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 27 Apr 2006 08:38:05 +0000 Subject: wrote lighting page from Gem manual svn path=/trunk/; revision=5008 --- doc/tutorials/visual/05.lighting.pd | 60 ++++++++++++++++++++++++++++++------- 1 file changed, 50 insertions(+), 10 deletions(-) (limited to 'doc') diff --git a/doc/tutorials/visual/05.lighting.pd b/doc/tutorials/visual/05.lighting.pd index 8d704aef..3b5d1070 100644 --- a/doc/tutorials/visual/05.lighting.pd +++ b/doc/tutorials/visual/05.lighting.pd @@ -1,18 +1,58 @@ -#N canvas 10 40 620 460 10; +#N canvas 613 242 628 468 10; #X obj 8 10 cnv 15 400 40 empty empty lighting 20 12 0 24 -228992 -66577 0; #X obj 465 16 gemwin_control; #X obj 466 60 import Gem; -#X obj 29 150 gemwin; -#X msg 29 119 lighting \$1; -#X obj 29 101 tgl 15 1 empty empty empty 0 -6 0 8 -24198 -1 -1 0 1 +#X obj 83 173 gemwin; +#X msg 83 152 lighting \$1; +#X obj 83 134 tgl 15 1 empty empty empty 0 -6 0 8 -24198 -1 -1 1 1 ; -#X obj 72 294 world_light; -#X obj 72 256 gemhead; -#X obj 295 253 gemhead; -#X obj 295 274 sphere 1 35; -#X text 255 228 draw a sphere; +#X obj 465 121 gemhead; +#X obj 465 162 sphere 1 35; +#X obj 22 233 tgl 15 1 empty empty empty 0 -6 0 8 -24198 -1 -1 0 1 +; +#X obj 22 253 world_light; +#X text 465 103 example sphere; +#X text 11 54 No world would be complete without lighting. Gem provides +three different kinds of light sources. Like rendering \, the calculation +of lighting needs to be turned on by sending a message to [gemwin] +\, since lighting is a GPU-intensive operation.; +#X obj 2 194 gemhead; +#X obj 22 304 tgl 15 1 empty empty empty 0 -6 0 8 -24198 -1 -1 0 1 +; +#X obj 22 354 tgl 15 1 empty empty empty 0 -6 0 8 -24198 -1 -1 1 1 +; +#X obj 22 424 spot_light; +#X obj 22 324 light; +#X msg 54 403 0 0 1; +#X msg 52 301 0 1 0; +#X msg 62 231 1 0 0; +#X text 125 223 A [world_light] is a light that is infinitely far away +\, basically like sunlight. The rays coming from a [world_light] are +always parallel.; +#X text 124 306 [light] generates a point-light that is part of the +scene. It is basically like a lamp. You can place the lamp directly +in your scene.; +#X msg 30 384 debug \$1; +#X obj 46 365 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1 1 +; +#X text 124 386 A [spot_light] generates a spot light which you can +move around. It can be used for pinpoint light or widened to cover +a larger area. If you turn on the debug feature \, you will see a little +cone where the light source is.; +#X obj 465 142 translateXYZ 0 0 -2; #X connect 4 0 3 0; #X connect 5 0 4 0; -#X connect 7 0 6 0; +#X connect 6 0 25 0; #X connect 8 0 9 0; +#X connect 12 0 9 0; +#X connect 12 0 16 0; +#X connect 12 0 15 0; +#X connect 13 0 16 0; +#X connect 14 0 15 0; +#X connect 17 0 15 1; +#X connect 18 0 16 1; +#X connect 19 0 9 1; +#X connect 22 0 15 0; +#X connect 23 0 22 0; +#X connect 25 0 7 0; -- cgit v1.2.1