142 lines
3.6 KiB
Text
142 lines
3.6 KiB
Text
/**
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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 lineSegs.I
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* @author drose
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* @date 2002-03-16
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*/
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/**
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*
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*/
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INLINE LineSegs::Point::
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Point() {
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}
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/**
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*
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*/
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INLINE LineSegs::Point::
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Point(const LVecBase3 &point, const LColor &color) :
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_point(point[0], point[1], point[2]),
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_color(color)
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{
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}
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/**
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*
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*/
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INLINE LineSegs::Point::
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Point(const LineSegs::Point ©) :
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_point(copy._point),
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_color(copy._color)
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{
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}
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/**
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*
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*/
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INLINE void LineSegs::Point::
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operator = (const LineSegs::Point ©) {
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_point = copy._point;
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_color = copy._color;
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}
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/**
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* Establishes the color that will be assigned to all vertices created by
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* future calls to move_to() and draw_to().
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*/
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INLINE void LineSegs::
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set_color(PN_stdfloat r, PN_stdfloat g, PN_stdfloat b, PN_stdfloat a) {
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_color.set(r, g, b, a);
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}
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/**
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* Establishes the color that will be assigned to all vertices created by
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* future calls to move_to() and draw_to().
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*/
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INLINE void LineSegs::
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set_color(const LColor &color) {
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_color = color;
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}
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/**
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* Establishes the line thickness or point size in pixels that will be
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* assigned to all lines and points created by future calls to create().
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*/
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INLINE void LineSegs::
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set_thickness(PN_stdfloat thick) {
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_thick = thick;
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}
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/**
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* Moves the pen to the given point without drawing a line. When followed by
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* draw_to(), this marks the first point of a line segment; when followed by
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* move_to() or create(), this creates a single point.
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*/
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INLINE void LineSegs::
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move_to(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z) {
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move_to(LVertex(x, y, z));
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}
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/**
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* Draws a line segment from the pen's last position (the last call to move_to
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* or draw_to) to the indicated point. move_to() and draw_to() only update
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* tables; the actual drawing is performed when create() is called.
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*/
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INLINE void LineSegs::
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draw_to(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z) {
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draw_to(LVertex(x, y, z));
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}
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/**
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* Creates a new GeomNode that will render the series of line segments and
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* points described via calls to move_to() and draw_to(). The lines and
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* points are created with the color and thickness established by calls to
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* set_color() and set_thick().
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*
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* If dynamic is true, the line segments will be created with the dynamic Geom
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* setting, optimizing them for runtime vertex animation.
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*/
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INLINE GeomNode *LineSegs::
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create(bool dynamic) {
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GeomNode *gnode = new GeomNode(get_name());
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return create(gnode, dynamic);
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}
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/**
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* Returns the total number of line segment and point vertices generated by
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* the last call to create(). The positions of these vertices may be read and
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* adjusted through get_vertex() and set_vertex().
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*/
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INLINE int LineSegs::
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get_num_vertices() const {
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if (_created_data == nullptr) {
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return 0;
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}
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return _created_data->get_num_rows();
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}
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/**
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* Moves the nth point or vertex of the line segment sequence generated by the
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* last call to create(). The first move_to() generates vertex 0; subsequent
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* move_to() and draw_to() calls generate consecutively higher vertex numbers.
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*/
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INLINE void LineSegs::
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set_vertex(int n, PN_stdfloat x, PN_stdfloat y, PN_stdfloat z) {
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set_vertex(n, LVertex(x, y, z));
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}
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/**
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* Changes the vertex color of the nth point or vertex. See set_vertex().
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*/
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INLINE void LineSegs::
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set_vertex_color(int n, PN_stdfloat r, PN_stdfloat g, PN_stdfloat b, PN_stdfloat a) {
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set_vertex_color(n, LColor(r, g, b, a));
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}
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