90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
/* Copyright (C) 2017 Eric Wasylishen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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See file, 'COPYING', for details.
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*/
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#pragma once
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#include <QOpenGLWidget>
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#include <QOpenGLFunctions>
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#include <QOpenGLVertexArrayObject>
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#include <QOpenGLBuffer>
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#include <QOpenGLShaderProgram>
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#include <QElapsedTimer>
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#include <QVector3D>
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#include <QMatrix4x4>
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enum class keys_t : uint32_t
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{
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none = 0,
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up = 1,
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right = 2,
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down = 4,
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left = 8
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};
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class GLView : public QOpenGLWidget, protected QOpenGLFunctions
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{
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private:
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uint32_t m_keysPressed;
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int m_keymoveUpdateTimer;
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QPointF m_lastMouseDownPos;
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// camera stuff
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float m_displayAspect;
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QVector3D m_cameraOrigin;
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QVector3D m_cameraFwd; // unit vec
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QVector3D cameraRight() const
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{
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QVector3D v = QVector3D::crossProduct(m_cameraFwd, QVector3D(0, 0, 1));
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v.normalize();
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return v;
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}
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QOpenGLVertexArrayObject m_vao;
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QOpenGLBuffer m_vbo;
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QOpenGLShaderProgram *m_program;
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// uniform locations
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int m_program_mvp_location;
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public:
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GLView(QWidget *parent = nullptr);
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~GLView();
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protected:
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void initializeGL() override;
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void paintGL() override;
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void resizeGL(int width, int height) override;
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private:
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void startMovementTimer();
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void stopMovementTimer();
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protected:
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void mousePressEvent(QMouseEvent *event) override;
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void mouseMoveEvent(QMouseEvent *event) override;
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void keyPressEvent(QKeyEvent *event) override;
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void keyReleaseEvent(QKeyEvent *event) override;
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void wheelEvent(QWheelEvent *event) override;
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protected:
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/** animation timer */
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void timerEvent(QTimerEvent *event) override;
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};
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