diff options
Diffstat (limited to 'source/blender/nodes/intern/SHD_nodes/SHD_squeeze.c')
-rw-r--r-- | source/blender/nodes/intern/SHD_nodes/SHD_squeeze.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/nodes/intern/SHD_nodes/SHD_squeeze.c b/source/blender/nodes/intern/SHD_nodes/SHD_squeeze.c new file mode 100644 index 00000000000..341945aa523 --- /dev/null +++ b/source/blender/nodes/intern/SHD_nodes/SHD_squeeze.c @@ -0,0 +1,69 @@ +/** + * $Id$ + * + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program 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 2 + * of the License, or (at your option) any later version. + * + * This program 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, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2005 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#include "../SHD_util.h" + +/* **************** VALUE SQUEEZE ******************** */ +static bNodeSocketType sh_node_squeeze_in[]= { + { SOCK_VALUE, 1, "Value", 0.0f, 0.0f, 0.0f, 0.0f, -100.0f, 100.0f}, + { SOCK_VALUE, 1, "Width", 1.0f, 0.0f, 0.0f, 0.0f, -100.0f, 100.0f}, + { SOCK_VALUE, 1, "Center", 0.0f, 0.0f, 0.0f, 0.0f, -100.0f, 100.0f}, + { -1, 0, "" } +}; + +static bNodeSocketType sh_node_squeeze_out[]= { + { SOCK_VALUE, 0, "Value", 0.5f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f}, + { -1, 0, "" } +}; + +static void node_shader_exec_squeeze(void *data, bNode *node, bNodeStack **in, +bNodeStack **out) +{ + float vec[3]; + + nodestack_get_vec(vec, SOCK_VALUE, in[0]); + nodestack_get_vec(vec+1, SOCK_VALUE, in[1]); + nodestack_get_vec(vec+2, SOCK_VALUE, in[2]); + + out[0]->vec[0] = 1.0f / (1.0f + pow(2.71828183,-((vec[0]-vec[2])*vec[1]))) ; +} + +bNodeType sh_node_squeeze= { + /* type code */ SH_NODE_SQUEEZE, + /* name */ "Squeeze Value", + /* width+range */ 120, 110, 160, + /* class+opts */ NODE_CLASS_CONVERTOR, NODE_OPTIONS, + /* input sock */ sh_node_squeeze_in, + /* output sock */ sh_node_squeeze_out, + /* storage */ "node_squeeze", + /* execfunc */ node_shader_exec_squeeze, + /* butfunc */ NULL, + NULL +}; + |