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add wheel support for zoom

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Signed-off-by: Trial97 <alexandru.tripon97@gmail.com>
This commit is contained in:
Trial97 2025-01-15 17:59:45 +02:00
parent dbeb987978
commit c0525ebf4e
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GPG Key ID: 55EF5DA53DB36318
2 changed files with 28 additions and 7 deletions
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30
launcher/ui/dialogs/skins/draw/SkinOpenGLWidget.cpp
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@ -57,9 +57,14 @@ void SkinOpenGLWidget::mouseMoveEvent(QMouseEvent* event)
int dx = event->x() - m_mousePosition.x(); int dx = event->x() - m_mousePosition.x();
int dy = event->y() - m_mousePosition.y(); int dy = event->y() - m_mousePosition.y();
// Update rotation angles based on mouse movement m_yaw += dx * 0.5f;
m_rotationX += dy; m_pitch += dy * 0.5f;
m_rotationY += dx;
// Normalize yaw to keep it manageable
if (m_yaw > 360.0f)
m_yaw -= 360.0f;
else if (m_yaw < 0.0f)
m_yaw += 360.0f;
m_mousePosition = QVector2D(event->pos()); m_mousePosition = QVector2D(event->pos());
update(); // Trigger a repaint update(); // Trigger a repaint
@ -149,9 +154,13 @@ void SkinOpenGLWidget::paintGL()
renderBackground(); renderBackground();
// Calculate model view transformation // Calculate model view transformation
QMatrix4x4 matrix; QMatrix4x4 matrix;
matrix.translate(0.0, 6.0, -50.); float yawRad = qDegreesToRadians(m_yaw);
matrix.rotate(m_rotationX, 1.0f, 0.0f, 0.0f); float pitchRad = qDegreesToRadians(m_pitch);
matrix.rotate(m_rotationY, 0.0f, 1.0f, 0.0f); matrix.lookAt(QVector3D( //
m_distance * cos(pitchRad) * cos(yawRad), //
m_distance * sin(pitchRad) - 8, //
m_distance * cos(pitchRad) * sin(yawRad)),
QVector3D(0, -8, 0), QVector3D(0, 1, 0));
// Set modelview-projection matrix // Set modelview-projection matrix
m_program->setUniformValue("mvp_matrix", m_projection * matrix); m_program->setUniformValue("mvp_matrix", m_projection * matrix);
@ -210,3 +219,12 @@ void SkinOpenGLWidget::renderBackground()
m_backgroundTexture->release(); m_backgroundTexture->release();
glDepthMask(GL_TRUE); // Re-enable depth buffer writing glDepthMask(GL_TRUE); // Re-enable depth buffer writing
} }
void SkinOpenGLWidget::wheelEvent(QWheelEvent* event)
{
// Adjust distance based on scroll
int delta = event->angleDelta().y(); // Positive for scroll up, negative for scroll down
m_distance -= delta * 0.01f; // Adjust sensitivity factor
m_distance = qMax(16., m_distance); // Clamp distance
update(); // Trigger a repaint
}

5
launcher/ui/dialogs/skins/draw/SkinOpenGLWidget.h
View File

@ -42,6 +42,7 @@ class SkinOpenGLWidget : public QOpenGLWidget, protected QOpenGLFunctions {
void mousePressEvent(QMouseEvent* e) override; void mousePressEvent(QMouseEvent* e) override;
void mouseReleaseEvent(QMouseEvent* e) override; void mouseReleaseEvent(QMouseEvent* e) override;
void mouseMoveEvent(QMouseEvent* event) override; void mouseMoveEvent(QMouseEvent* event) override;
void wheelEvent(QWheelEvent* event) override;
void initializeGL() override; void initializeGL() override;
void resizeGL(int w, int h) override; void resizeGL(int w, int h) override;
@ -61,7 +62,9 @@ class SkinOpenGLWidget : public QOpenGLWidget, protected QOpenGLFunctions {
QVector2D m_mousePosition; QVector2D m_mousePosition;
bool m_isMousePressed = false; bool m_isMousePressed = false;
int m_rotationX = 0, m_rotationY = 0; float m_distance = 48;
float m_yaw = 90; // Horizontal rotation angle
float m_pitch = 0; // Vertical rotation angle
opengl::BoxGeometry* m_background = nullptr; opengl::BoxGeometry* m_background = nullptr;
QOpenGLTexture* m_backgroundTexture = nullptr; QOpenGLTexture* m_backgroundTexture = nullptr;