Mirrors/openrw
1
0
Fork 0
mirror of https://github.com/rwengine/openrw.git synced 2024-09-03 17:19:46 +02:00
Code Issues Projects Releases Activity

Viewport movement

Browse Source
This commit is contained in:
Daniel Evans 2014-02-11 15:45:45 +00:00
parent 8110358dbf
commit 8c25712ea6
2 changed files with 44 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
rwviewer/ViewerWidget.cpp
View File

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

12
rwviewer/ViewerWidget.hpp
View File

@ -19,6 +19,11 @@ class ViewerWidget : public QGLWidget
Model* currentModel;
float viewDistance;
glm::vec2 viewAngles;
bool dragging;
QPointF dstart;
glm::vec2 dastart;
public:
enum FileMode {
@ -45,6 +50,13 @@ signals:
void fileOpened(const QString& file);
protected:
virtual void mousePressEvent(QMouseEvent*);
virtual void mouseReleaseEvent(QMouseEvent*);
virtual void mouseMoveEvent(QMouseEvent*);
virtual void wheelEvent(QWheelEvent*);
private:
FileMode fm;
};