119 lines
2.8 KiB
Text
119 lines
2.8 KiB
Text
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file sheetNode.I
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* @author drose
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* @date 2003-10-11
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*/
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/**
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*
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*/
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INLINE SheetNode::CData::
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CData() {
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_surface = new NurbsSurfaceEvaluator;
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_use_vertex_color = false;
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_num_u_subdiv = 2;
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_num_v_subdiv = 2;
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}
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/**
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*
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*/
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INLINE SheetNode::CData::
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CData(const SheetNode::CData ©) :
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_surface(copy._surface),
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_use_vertex_color(copy._use_vertex_color),
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_num_u_subdiv(copy._num_u_subdiv),
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_num_v_subdiv(copy._num_v_subdiv)
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{
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}
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/**
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* Sets the particular surface represented by the SheetNode.
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*/
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INLINE void SheetNode::
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set_surface(NurbsSurfaceEvaluator *surface) {
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CDWriter cdata(_cycler);
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cdata->_surface = surface;
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}
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/**
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* Returns the surface represented by the SheetNode.
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*/
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INLINE NurbsSurfaceEvaluator *SheetNode::
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get_surface() const {
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CDReader cdata(_cycler);
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return cdata->_surface;
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}
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/**
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* Sets the "use vertex color" flag. When this is true, the R, G, B, A vertex
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* color is assumed to be stored as the dimensions 0, 1, 2, 3, respectively,
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* of the extended vertex values. Use
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* NurbsCurveEvaluator::set_extended_vertex() to set these values.
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*/
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INLINE void SheetNode::
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set_use_vertex_color(bool flag) {
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CDWriter cdata(_cycler);
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cdata->_use_vertex_color = flag;
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}
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/**
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* Returns the "use vertex color" flag. See set_use_vertex_color().
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*/
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INLINE bool SheetNode::
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get_use_vertex_color() const {
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CDReader cdata(_cycler);
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return cdata->_use_vertex_color;
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}
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/**
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* Specifies the number of subdivisions per cubic segment (that is, per unique
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* knot value) to draw in a fixed uniform tesselation of the surface in the U
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* direction.
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*/
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INLINE void SheetNode::
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set_num_u_subdiv(int num_u_subdiv) {
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nassertv(num_u_subdiv >= 0);
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CDWriter cdata(_cycler);
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cdata->_num_u_subdiv = num_u_subdiv;
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}
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/**
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* Returns the number of subdivisions per cubic segment to draw in the U
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* direction. See set_num_u_subdiv().
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*/
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INLINE int SheetNode::
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get_num_u_subdiv() const {
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CDReader cdata(_cycler);
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return cdata->_num_u_subdiv;
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}
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/**
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* Specifies the number of subdivisions per cubic segment (that is, per unique
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* knot value) to draw in a fixed uniform tesselation of the surface in the V
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* direction.
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*/
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INLINE void SheetNode::
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set_num_v_subdiv(int num_v_subdiv) {
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nassertv(num_v_subdiv >= 0);
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CDWriter cdata(_cycler);
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cdata->_num_v_subdiv = num_v_subdiv;
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}
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/**
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* Returns the number of subdivisions per cubic segment to draw in the V
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* direction. See set_num_v_subdiv().
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*/
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INLINE int SheetNode::
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get_num_v_subdiv() const {
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CDReader cdata(_cycler);
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return cdata->_num_v_subdiv;
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}
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