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Viewport movement
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parent
8110358dbf
commit
8c25712ea6
@ -1,10 +1,11 @@
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#include "ViewerWidget.hpp"
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#include <render/Model.hpp>
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#include <glm/gtc/type_ptr.hpp>
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#include <QMouseEvent>
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ViewerWidget::ViewerWidget(QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f)
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: QGLWidget(parent, shareWidget, f), gworld(nullptr), currentModel(nullptr),
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viewDistance(1.f), fm(ViewerWidget::UNK)
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viewDistance(1.f), dragging(false), fm(ViewerWidget::UNK)
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{
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}
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@ -42,6 +43,8 @@ void ViewerWidget::paintGL()
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r.camera.frustum.aspectRatio = width()/(height()*1.f);
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if(currentModel) {
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glEnable(GL_DEPTH_TEST);
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glm::mat4 m;
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glUseProgram(r.worldProgram);
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@ -56,7 +59,8 @@ void ViewerWidget::paintGL()
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glUniform1f(r.uniMatAmbient, 0.1f);
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glm::mat4 proj = r.camera.frustum.projection();
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glm::mat4 view = glm::lookAt(glm::vec3(0.f, viewDistance, 0.f), glm::vec3(0.f, 0.f, 0.f), glm::vec3(0.f, 0.f, 1.f));
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glm::vec3 eye(sin(viewAngles.x) * cos(viewAngles.y), cos(viewAngles.x) * cos(viewAngles.y), sin(viewAngles.y));
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glm::mat4 view = glm::lookAt(eye * viewDistance, glm::vec3(0.f, 0.f, 0.f), glm::vec3(0.f, 0.f, 1.f));
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glUniformMatrix4fv(r.uniView, 1, GL_FALSE, glm::value_ptr(view));
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glUniformMatrix4fv(r.uniProj, 1, GL_FALSE, glm::value_ptr(proj));
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@ -110,3 +114,29 @@ void ViewerWidget::showTXD(const QString& file)
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{
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fm = ViewerWidget::TXD;
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}
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void ViewerWidget::mousePressEvent(QMouseEvent* e)
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{
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dragging = true;
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dstart = e->localPos();
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dastart = viewAngles;
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}
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void ViewerWidget::mouseReleaseEvent(QMouseEvent*)
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{
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dragging = false;
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}
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void ViewerWidget::mouseMoveEvent(QMouseEvent* e)
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{
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if(dragging) {
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auto d = e->localPos() - dstart;
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viewAngles = dastart + glm::vec2(d.x(), d.y()) * 0.01f;
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}
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}
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void ViewerWidget::wheelEvent(QWheelEvent* e)
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{
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viewDistance = qMax(viewDistance - e->angleDelta().y() / 240.f, 1.f);
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}
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@ -19,6 +19,11 @@ class ViewerWidget : public QGLWidget
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Model* currentModel;
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float viewDistance;
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glm::vec2 viewAngles;
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bool dragging;
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QPointF dstart;
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glm::vec2 dastart;
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public:
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enum FileMode {
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@ -45,6 +50,13 @@ signals:
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void fileOpened(const QString& file);
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protected:
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virtual void mousePressEvent(QMouseEvent*);
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virtual void mouseReleaseEvent(QMouseEvent*);
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virtual void mouseMoveEvent(QMouseEvent*);
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virtual void wheelEvent(QWheelEvent*);
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private:
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FileMode fm;
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};
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