mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-01-07 04:00:37 -06:00
87 lines
3.6 KiB
C++
87 lines
3.6 KiB
C++
// * Permission is hereby granted, free of charge, to any person obtaining a copy of this *
|
|
// * software and associated documentation files (the "Software"), to deal in the Software *
|
|
// * without restriction, including without limitation the rights to use, copy, modify, *
|
|
// * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
|
|
// * permit persons to whom the Software is furnished to do so, subject to the following *
|
|
// * conditions: *
|
|
// * *
|
|
// * The above copyright notice and this permission notice shall be included in all copies *
|
|
// * or substantial portions of the Software. *
|
|
// * *
|
|
// * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
|
|
// * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
|
|
// * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
|
|
// * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
|
|
// * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
|
|
// * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
|
// ****************************************************************************************/
|
|
|
|
#include <modules/iswa/rendering/cygnetplane.h>
|
|
#include <openspace/engine/openspaceengine.h>
|
|
#include <openspace/rendering/renderengine.h>
|
|
#include <openspace/util/spicemanager.h>
|
|
#include <openspace/util/time.h>
|
|
|
|
namespace openspace{
|
|
|
|
CygnetPlane::CygnetPlane(const ghoul::Dictionary& dictionary)
|
|
:IswaCygnet(dictionary)
|
|
,_quad(0)
|
|
,_vertexPositionBuffer(0)
|
|
{}
|
|
|
|
CygnetPlane::~CygnetPlane(){}
|
|
|
|
bool CygnetPlane::createGeometry() {
|
|
glGenVertexArrays(1, &_quad); // generate array
|
|
glGenBuffers(1, &_vertexPositionBuffer); // generate buffer
|
|
|
|
// ============================
|
|
// GEOMETRY (quad)
|
|
// ============================
|
|
// GLfloat x,y, z;
|
|
float s = _data->spatialScale.x;
|
|
const GLfloat x = s*_data->scale.x/2.0;
|
|
const GLfloat y = s*_data->scale.y/2.0;
|
|
const GLfloat z = s*_data->scale.z/2.0;
|
|
const GLfloat w = _data->spatialScale.w;
|
|
|
|
const GLfloat vertex_data[] = { // square of two triangles (sigh)
|
|
// x y z w s t
|
|
-x, -y, -z, w, 0, 1,
|
|
x, y, z, w, 1, 0,
|
|
-x, ((x>0)?y:-y), z, w, 0, 0,
|
|
-x, -y, -z, w, 0, 1,
|
|
x, ((x>0)?-y:y), -z, w, 1, 1,
|
|
x, y, z, w, 1, 0,
|
|
};
|
|
|
|
glBindVertexArray(_quad); // bind array
|
|
glBindBuffer(GL_ARRAY_BUFFER, _vertexPositionBuffer); // bind buffer
|
|
glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
|
|
glEnableVertexAttribArray(0);
|
|
glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 6, reinterpret_cast<void*>(0));
|
|
glEnableVertexAttribArray(1);
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 6, reinterpret_cast<void*>(sizeof(GLfloat) * 4));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CygnetPlane::destroyGeometry(){
|
|
glDeleteVertexArrays(1, &_quad);
|
|
_quad = 0;
|
|
|
|
glDeleteBuffers(1, &_vertexPositionBuffer);
|
|
_vertexPositionBuffer = 0;
|
|
|
|
return true;
|
|
}
|
|
|
|
void CygnetPlane::renderGeometry() const {
|
|
glBindVertexArray(_quad);
|
|
glDrawArrays(GL_TRIANGLES, 0, 6);
|
|
}
|
|
|
|
|
|
|
|
} //namespace openspace
|