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SimpleEarth/src/PathRenderer.cpp at master · MAPSWorks/SimpleEarth · GitHub
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/*
* The Simple Earth Project
* Copyright (C) 2016 HueSoft LLC
* Author: Hector Mendoza, hector.mendoza@huesoftllc.com
*
* This file is part of the Simple Earth Project.
*
* The Simple Earth Project is free software: you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version
* 3 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
#
include
<
QtOpenGL
>
#
include
"
PathRenderer.h
"
#
include
"
Utilities.h
"
#
include
"
WorldObject.h
"
#
include
"
Camera.h
"
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/*
*
* Constructor. Calls parent's overloaded constructor.
*/
PathRenderer::PathRenderer
() : MeshRenderer()
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
{
}
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/*
*
* Destructor.
*/
PathRenderer::~PathRenderer
()
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
{
mPoints
.
clear
();
}
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/*
*
* OVERRIDE FOR MeshRenderer. Builds the geometry and renders path.
*/
void
PathRenderer::render
()
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
{
if
(
mPoints
.
size
() >
0
)
{
SimpleVector pointXYZ =
mPoints
[
0
];
GeodeticPosition pointGeodetic =
Utilities::xyzToGeodetic
(pointXYZ);
//
only render if first point is not being obscured by the earth
if
(!
Utilities::checkObscure
(
Camera::getInstance
()->
getGeodeticPosition
(), pointGeodetic))
{
SimpleColor color =
mWorldObject
->
getColor
();
glColor4f
(color.
red
, color.
green
, color.
blue
,
1
.
0f
);
glDisable
(
GL_DEPTH_TEST
);
glLineWidth
(
2
.
0f
);
glBegin
(
GL_LINE_STRIP
);
for
(
int
i =
0
; i <
mPoints
.
size
(); i++)
{
glVertex3f
(
mPoints
[i].
x
,
mPoints
[i].
y
,
mPoints
[i].
z
);
}
glEnd
();
glLineWidth
(
1
.
0f
);
glEnable
(
GL_DEPTH_TEST
);
}
}
}
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/*
*
* Adds a point to the path.
*
* @param point New point in XYZ coordinates
*/
void
PathRenderer::addPoint
(SimpleVector point)
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
{
mPoints
.
append
(point);
}
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/*
*
* Returns a handle to the point list.
*
* @return Handle to point list
*/
QList<SimpleVector>*
PathRenderer::getPoints
()
//
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
{
return
&
mPoints
;
}
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