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worked on OpenGL ES

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This commit is contained in:
FrankE
2016-07-15 16:39:38 +02:00
parent 719a66937e
commit 69dfbe6693
10 changed files with 319 additions and 53 deletions
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119
map/MapView.cpp
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@@ -1,53 +1,100 @@
#include "MapView.h"
#include <QGLShaderProgram>
#include "Geometry.h"
// http://doc.qt.io/qt-5/qtopengl-cube-example.html
MapView::MapView(QWidget* parent) : QOpenGLWidget(parent) {
MapView::MapView(QWidget* parent) : QGLWidget(parent) {
};
void MapView::initializeGL() {
void MapView::timerEvent(QTimerEvent *) {
update();
}
qglClearColor(Qt::black);
void MapView::initializeGL() {
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
//glShadeModel(GL_SMOOTH);
//glEnable(GL_LIGHTING);
//glEnable(GL_LIGHT0);
//qglClearColor(Qt::black);
//static GLfloat lightPosition[4] = { 0, 0, 10, 1.0 };
//glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
//glEnable(GL_DEPTH_TEST);
//glEnable(GL_CULL_FACE);
//glShadeModel(GL_SMOOTH);
//glEnable(GL_LIGHTING);
//glEnable(GL_LIGHT0);
}
//static GLfloat lightPosition[4] = { 0, 0, 10, 1.0 };
//glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
void MapView::paintGL() {
initializeOpenGLFunctions();
geo = new Geometry();
if (!program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/res/gl/vertex1.glsl")) {throw "1";}
if (!program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/res/gl/fragment1.glsl")) {throw "2";}
if (!program.link()) {throw "3";}
if (!program.bind()) {throw "4";}
timer.start(60, this);
}
void MapView::paintGL() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glLoadIdentity();
//glTranslatef(0.0, 0.0, -10.0);
//glRotatef(20 / 16.0, 1.0, 0.0, 0.0);
//glRotatef(30 / 16.0, 0.0, 1.0, 0.0);
//glRotatef(60 / 16.0, 0.0, 0.0, 1.0);
draw();
}
void MapView::resizeGL(int w, int h) {
// Calculate aspect ratio
qreal aspect = qreal(w) / qreal(h ? h : 1);
// Set near plane to 3.0, far plane to 7.0, field of view 45 degrees
const qreal zNear = 3.0, zFar = 7.0, fov = 45.0;
// Reset projection
projection.setToIdentity();
// Set perspective projection
projection.perspective(fov, aspect, zNear, zFar);
}
void MapView::draw() {
static float angularSpeed = 0;
angularSpeed += 0.5;
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glLoadIdentity();
//glTranslatef(0.0, 0.0, -10.0);
//glRotatef(20 / 16.0, 1.0, 0.0, 0.0);
//glRotatef(30 / 16.0, 0.0, 1.0, 0.0);
//glRotatef(60 / 16.0, 0.0, 0.0, 1.0);
draw();
}
void MapView::resizeGL(int width, int height) {
int side = qMin(width, height);
glViewport((width - side) / 2, (height - side) / 2, side, side);
//texture->bind();
QVector3D rotationAxis(1,1,1);
QQuaternion rotation = QQuaternion::fromAxisAndAngle(rotationAxis, angularSpeed);
//glMatrixMode(GL_PROJECTION);
//glLoadIdentity();
#ifdef QT_OPENGL_ES_1
glOrthof(-2, +2, -2, +2, 1.0, 15.0);
#else
//glOrtho(-2, +2, -2, +2, 1.0, 15.0);
#endif
//glMatrixMode(GL_MODELVIEW);
}
// Calculate model view transformation
QMatrix4x4 matrix;
matrix.translate(0.0, 0.0, -5.0);
matrix.rotate(rotation);
void MapView::draw()
{
qglColor(Qt::red);
/*glBegin(GL_QUADS);
// Set modelview-projection matrix
program.setUniformValue("mvp_matrix", projection * matrix);
// Use texture unit 0 which contains cube.png
program.setUniformValue("texture", 0);
// Draw cube geometry
geo->drawCubeGeometry(&program);
//qglColor(Qt::red);
/*glBegin(GL_QUADS);
glNormal3f(0,0,-1);
glVertex3f(-1,-1,0);
glVertex3f(-1,1,0);
@@ -79,4 +126,4 @@ MapView::MapView(QWidget* parent) : QGLWidget(parent) {
glVertex3f(-1,-1,0);
glVertex3f(0,0,1.2);
glEnd();*/
}
}