58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
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/*##############################################################################
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## Author: Shaun Reed ##
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## Legal: All Content (c) 2023 Shaun Reed, all rights reserved ##
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## About: Example Qtk widget ##
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## ##
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## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
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##############################################################################*/
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#include <qtk/scene.h>
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#include "examplewidget.h"
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ExampleWidget::ExampleWidget(QWidget * parent) :
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QOpenGLWidget(parent), mScene(new ExampleScene(new Qtk::SceneEmpty)) {
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// NOTE: The decorator pattern is used to save / load scenes in Qtk currently.
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// The initializer above sets mScene to the concrete decorator ExampleScene.
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// Qtk::SceneEmpty provides an empty scene as the concrete component.
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// ExampleScene is defined in client source, deriving Qtk::SceneInterface.
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QSurfaceFormat format;
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format.setRenderableType(QSurfaceFormat::OpenGL);
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format.setProfile(QSurfaceFormat::CoreProfile);
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format.setVersion(4, 6);
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format.setSamples(4);
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format.setDepthBufferSize(16);
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setFormat(format);
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setFocusPolicy(Qt::ClickFocus);
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}
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void ExampleWidget::initializeGL() {
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initializeOpenGLFunctions();
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connect(this, SIGNAL(frameSwapped()), this, SLOT(update()));
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glEnable(GL_MULTISAMPLE);
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glEnable(GL_DEPTH_TEST);
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glDepthMask(GL_TRUE);
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glDepthFunc(GL_LEQUAL);
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glDepthRange(0.1f, 1.0f);
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glClearDepth(1.0f);
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glClearColor(0.0f, 0.25f, 0.0f, 0.0f);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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}
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void ExampleWidget::resizeGL(int width, int height) {
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Qtk::Scene::getProjectionMatrix().setToIdentity();
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Qtk::Scene::getProjectionMatrix().perspective(
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45.0f, float(width) / float(height), 0.1f, 1000.0f);
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}
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void ExampleWidget::paintGL() {
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glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
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mScene->draw();
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}
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void ExampleWidget::update() {
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mScene->update();
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QWidget::update();
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}
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