Бычков Андрей
ba8bc27298
git-svn-id: svn://db.shs.com.ru/libs@1 a8b55f48-bf90-11e4-a774-851b48703e85
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
|
|
QGLView
|
|
Copyright (C) 2012 Ivan Pelipenko peri4ko@gmail.com
|
|
|
|
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 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "rope_system.h"
|
|
#include "qglview.h"
|
|
|
|
|
|
RopeSystem::RopeSystem(): GLObjectBase(), fbo(2, false, GL_RGBA16F, GL_TEXTURE_1D) {
|
|
tex[0] = tex[1] = tex[2] = 0;
|
|
}
|
|
|
|
|
|
RopeSystem::~RopeSystem() {
|
|
}
|
|
|
|
|
|
void RopeSystem::init() {
|
|
pos.clear();
|
|
for (int i = 0; i < 1024; ++i)
|
|
pos << (i - 512) / 51.2f << 0.f << 20.f << 0.1f;
|
|
deleteGLTexture(tex[0]);
|
|
deleteGLTexture(tex[1]);
|
|
deleteGLTexture(tex[2]);
|
|
glGenTextures(3, tex);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glBindTexture(GL_TEXTURE_1D, tex[0]);
|
|
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA16F, 1024, 0, GL_RGBA, GL_FLOAT, pos.constData());
|
|
glBindTexture(GL_TEXTURE_1D, tex[1]);
|
|
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA16F, 1024, 0, GL_RGBA, GL_FLOAT, pos.constData());
|
|
glBindTexture(GL_TEXTURE_1D, tex[2]);
|
|
glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA16F, 1024, 0, GL_RGBA, GL_FLOAT, pos.constData());
|
|
}
|
|
|
|
|
|
void RopeSystem::draw(bool simplest) {
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glBindTexture(GL_TEXTURE_1D, tex[0]);
|
|
glGetTexImage(GL_TEXTURE_1D, 0, GL_RGBA, GL_FLOAT, pos.data());
|
|
glColor3f(1.f, 1.f, 1.f);
|
|
glBegin(GL_LINE_STRIP);
|
|
int ind = 0;
|
|
for (int i = 0; i < 1024; ++i) {
|
|
ind = i * 4;
|
|
glVertex3f(pos[ind], pos[ind + 1], pos[ind + 2]);
|
|
}
|
|
glEnd();
|
|
/*((QGLView * )view_)->shader_rope->bind();
|
|
((QGLView * )view_)->shader_rope->setUniformValue("t0", 0);
|
|
((QGLView * )view_)->shader_rope->setUniformValue("dt", 1.f / 1024.f);
|
|
((QGLView * )view_)->shader_rope->release();*/
|
|
}
|