From 26a6f5d017be9ec0ec03cd20d082546a4e435746 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Sat, 10 Apr 2010 22:09:45 -0400 Subject: Improve CSG and light handling. - Lights can be inside CSG objects - Lights can be modified by transformations - CSG objects can contain only one object --- tests/dimension/Makefile.am | 10 +++++- tests/dimension/csg.pov | 65 ++++++++++++++++++++++++++++++++++ tests/dimension/csg.sh | 85 +++++++++++++++++++++++++++++++++++++++++++++ tests/dimension/demo.sh | 3 +- 4 files changed, 161 insertions(+), 2 deletions(-) create mode 100644 tests/dimension/csg.pov create mode 100755 tests/dimension/csg.sh (limited to 'tests/dimension') diff --git a/tests/dimension/Makefile.am b/tests/dimension/Makefile.am index bb4aa0f..44afead 100644 --- a/tests/dimension/Makefile.am +++ b/tests/dimension/Makefile.am @@ -19,7 +19,14 @@ INCLUDES = -I$(top_srcdir)/libdimension -TESTS = punctuation.sh numeric.sh strings.sh labels.sh directives.sh arithexp.sh demo.sh +TESTS = punctuation.sh \ + numeric.sh \ + strings.sh \ + labels.sh \ + directives.sh \ + arithexp.sh \ + csg.sh \ + demo.sh TESTS_ENVIRONMENT = top_builddir=$(top_builddir) .sh: @@ -33,6 +40,7 @@ EXTRA_DIST = $(TESTS) \ directives.inc \ directives.pov \ arithexp.pov \ + csg.pov \ demo.pov clean-local: diff --git a/tests/dimension/csg.pov b/tests/dimension/csg.pov new file mode 100644 index 0000000..046510f --- /dev/null +++ b/tests/dimension/csg.pov @@ -0,0 +1,65 @@ +/************************************************************************* + * Copyright (C) 2010 Tavian Barnes * + * * + * This file is part of The Dimension Test Suite. * + * * + * The Dimension Test Suite is free software; you can redistribute it * + * and/or modify it under the terms of the GNU General Public License as * + * published by the Free Software Foundation; either version 3 of the * + * License, or (at your option) any later version. * + * * + * The Dimension Test Suite is distributed in the hope that it will be * + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty * + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program. If not, see . * + *************************************************************************/ + +// Test constructive solid geometry + +camera { + perspective + location -4*z + right 1.6*x + look_at 0 +} + +background { + color rgbf <0, 0.1, 0.2, 0.1> +} + +/* One-object unions */ + +union { + sphere { + -1.5*x, 1 + pigment { color red 1 } + } +} + +union { + light_source { + 20*y, color rgb 0.5 + } +} + +/* CSG with lights */ +difference { + light_source { + -15*x, color rgb 0.5 + } + sphere { + 1.5*x - 20*y, 1 + pigment { color green 1 } + } + light_source { + 15*x, color rgb 0.5 + } + box { + <0.7, -20.8, -0.8>, <2.3, -19.2, 0.8> + pigment { color blue 1 } + } + translate 20*y +} diff --git a/tests/dimension/csg.sh b/tests/dimension/csg.sh new file mode 100755 index 0000000..c27e448 --- /dev/null +++ b/tests/dimension/csg.sh @@ -0,0 +1,85 @@ +#!/bin/sh + +######################################################################### +# Copyright (C) 2010 Tavian Barnes # +# # +# This file is part of The Dimension Test Suite. # +# # +# The Dimension Test Suite is free software; you can redistribute it # +# and/or modify it under the terms of the GNU General Public License as # +# published by the Free Software Foundation; either version 3 of the # +# License, or (at your option) any later version. # +# # +# The Dimension Test Suite is distributed in the hope that it will be # +# useful, but WITHOUT ANY WARRANTY; without even the implied warranty # +# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # +# General Public License for more details. # +# # +# You should have received a copy of the GNU General Public License # +# along with this program. If not, see . # +######################################################################### + +csg=$(${top_builddir}/dimension/dimension --parse ${srcdir}/csg.pov) +csg_exp="$(echo -n \ +'((camera + perspective + (location (vector (integer 0) (integer 0) (integer -4) + (integer 0) (integer 0))) + (right (vector (float 1.6) (float 0) (float 0) (float 0) (float 0))) + (look_at (vector (integer 0) (integer 0) (integer 0) + (integer 0) (integer 0)))) + (background + (vector (integer 0) (float 0.1) (float 0.2) (float 0.1) (integer 0))) + (union + (array + (sphere + (vector (float -1.5) (float 0) (float 0) (float 0) (float 0)) + (integer 1) + (object-modifiers + (pigment + (vector (integer 1) (integer 0) (integer 0) + (integer 0) (integer 0)))))) + object-modifiers) + (union + (array + (light_source + (vector (integer 0) (integer 20) (integer 0) (integer 0) (integer 0)) + (vector (float 0.5) (float 0.5) (float 0.5) (integer 0) (integer 0)) + object-modifiers)) + object-modifiers) + (difference + (array + (light_source + (vector (integer -15) (integer 0) (integer 0) (integer 0) (integer 0)) + (vector (float 0.5) (float 0.5) (float 0.5) (integer 0) (integer 0)) + object-modifiers) + (sphere + (vector (float 1.5) (float -20) (float 0) (float 0) (float 0)) + (integer 1) + (object-modifiers + (pigment + (vector (integer 0) (integer 1) (integer 0) + (integer 0) (integer 0))))) + (light_source + (vector (integer 15) (integer 0) (integer 0) (integer 0) (integer 0)) + (vector (float 0.5) (float 0.5) (float 0.5) (integer 0) (integer 0)) + object-modifiers) + (box + (vector (float 0.7) (float -20.8) (float -0.8) (integer 0) (integer 0)) + (vector (float 2.3) (float -19.2) (float 0.8) (integer 0) (integer 0)) + (object-modifiers + (pigment + (vector (integer 0) (integer 0) (integer 1) + (integer 0) (integer 0)))))) + (object-modifiers + (translate (vector (integer 0) (integer 20) (integer 0) + (integer 0) (integer 0))))))' \ +| tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')" + +if [ "$csg" != "$csg_exp" ]; then + echo "csg.pov parsed as \"$csg\"" >&2 + echo " -- expected \"$csg_exp\"" >&2 + exit 1 +fi + +${top_builddir}/dimension/dimension -w768 -h480 -o csg.png ${srcdir}/csg.pov diff --git a/tests/dimension/demo.sh b/tests/dimension/demo.sh index 687d43c..7e9306a 100755 --- a/tests/dimension/demo.sh +++ b/tests/dimension/demo.sh @@ -34,7 +34,8 @@ demo_exp=$(echo -n \ (vector (integer 0) (float 0.1) (float 0.2) (float 0.1) (integer 0))) (light_source (vector (integer -15) (integer 20) (integer 10) (integer 0) (integer 0)) - (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0))) + (vector (integer 1) (integer 1) (integer 1) (integer 0) (integer 0)) + object-modifiers) (difference (array (box -- cgit v1.2.3