feat(viewport): add setUniform camera method

src/gui/viewport/GLCamera.cpp

@@ -6,6 +6,8 @@
 #include <iostream>
 #include <glm/ext/quaternion_trigonometric.hpp>
 #include <glm/ext/quaternion_float.hpp>
+#include <glm/gtc/type_ptr.hpp>
+#include <QOpenGLFunctions>
 
 void printMatrix(const glm::mat4& matrix) {
     for (int i = 0; i < 4; ++i) {
@@ -132,3 +134,8 @@ glm::vec3 GLCamera::getForward()
     return glm::normalize(camCenter_-camPos_);
 };
 
+void GLCamera::setUniform(uint uniformLocation)
+{
+    QOpenGLFunctions *f = QOpenGLContext::currentContext()->functions();
+    f->glUniformMatrix4fv(uniformLocation, 1, GL_FALSE, glm::value_ptr(getViewMatrix()));
+}

src/gui/viewport/GLCamera.h

@@ -14,6 +14,7 @@ public:
     void changeRadius(float delta);
     void changeCenter(float x, float y, float z);
     void setCenter(float x, float y, float z);
+    void setUniform(uint uniformLocation);
 
     glm::vec3 getForward();
     glm::vec3 getRight();

src/gui/viewport/ViewportGLWidget.cpp

@@ -133,14 +133,11 @@ void ViewportGLWidget::paintGL()
     );
 
 
-    glm::mat4 viewMatrix = curCamera.getViewMatrix();
-
-
     GLint projMLoc = glGetUniformLocation(shaderProgram, "uProj");
     glUniformMatrix4fv(projMLoc, 1, GL_FALSE, glm::value_ptr(projMatrix));
 
     GLint viewMLoc = glGetUniformLocation(shaderProgram, "uView");
-    glUniformMatrix4fv(viewMLoc, 1, GL_FALSE, glm::value_ptr(viewMatrix));
+    curCamera.setUniform(viewMLoc);