99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
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#include "widgetheightmap.h"
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#include <QTime>
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#include <math.h>
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#include <GL/glu.h>
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#include "tools.h"
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WidgetHeightMap::WidgetHeightMap(QWidget *parent, HeightMap* heightmap):
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QGLWidget(parent)
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{
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setMinimumSize(500, 500);
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setFocusPolicy(Qt::StrongFocus);
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_average_frame_time = 0.0;
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_last_mouse_x = 0;
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_last_mouse_y = 0;
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}
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WidgetHeightMap::~WidgetHeightMap()
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{
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}
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void WidgetHeightMap::keyPressEvent(QKeyEvent* event)
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{
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}
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void WidgetHeightMap::mousePressEvent(QMouseEvent* event)
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{
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}
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void WidgetHeightMap::mouseMoveEvent(QMouseEvent* event)
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{
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}
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void WidgetHeightMap::wheelEvent(QWheelEvent* event)
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{
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}
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void WidgetHeightMap::initializeGL()
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{
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glDisable(GL_LIGHTING);
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glFrontFace(GL_CCW);
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glCullFace(GL_BACK);
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glEnable(GL_CULL_FACE);
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glDepthFunc(GL_LESS);
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glDepthMask(true);
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glEnable(GL_DEPTH_TEST);
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glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
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glEnable(GL_LINE_SMOOTH);
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glLineWidth(1.0);
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glDisable(GL_FOG);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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}
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void WidgetHeightMap::resizeGL(int w, int h)
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{
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glViewport(0, 0, w, h);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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//gluPerspective(_current_camera.yfov * 180.0 / M_PI, _current_camera.xratio, _current_camera.znear, _current_camera.zfar);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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}
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void WidgetHeightMap::paintGL()
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{
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GLenum error_code;
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QTime start_time;
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double frame_time;
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start_time = QTime::currentTime();
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// Place camera
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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//gluLookAt(_current_camera.location.x, _current_camera.location.y, _current_camera.location.z, _current_camera.target.x, _current_camera.target.y, _current_camera.target.z, _current_camera.up.x, _current_camera.up.y, _current_camera.up.z);
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// Background
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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// Time stats
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frame_time = 0.001 * (double)start_time.msecsTo(QTime::currentTime());
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_average_frame_time = _average_frame_time * 0.8 + frame_time * 0.2;
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//printf("%d %f\n", quality, average_frame_time);
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while ((error_code = glGetError()) != GL_NO_ERROR)
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{
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logDebug(QString("[OpenGL] ERROR : ") + (const char*)gluErrorString(error_code));
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}
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}
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