It works!

Lots of minor fixes

Camera.h

@@ -2,6 +2,7 @@
 
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtx/dual_quaternion.hpp>
 
 #include "Spatial.h"
 
@@ -18,10 +19,9 @@ class Camera : public Spatial {
     }
 
     glm::mat4 get_view() {
-        return view;
+        return glm::inverse(get_matrix());
     }
 
   private:
     glm::mat4 projection;
-    glm::mat4 view;
 };

MCRenderer.cpp

@@ -1,19 +1,19 @@
 #include "MCRenderer.h"
 #include "Framebuffer3D.h"
 #include "VertexBuffer.h"
+#include <glm/ext/matrix_transform.hpp>
 
 MCRenderer::MCRenderer()
     : render_shader(Shader("Shader/mc.vs", "Shader/mc.fs", "Shader/mc.gs")),
       noise_shader(Shader("Shader/noise.vs", "Shader/noise.fs")), noise(Framebuffer3D(64, 64, 64)),
-      camera(Camera(90, 1920, 1080, 0.1, 100.0)) {
+      camera(Camera(90, 1920, 1080, 0.1, 1000.0)) {
-    float rectangle_data[12] = {-1.0f, -1.0f, //
+    float data[6][2] = {{-1.0f, -1.0f}, {-1.0, 1.0}, {1.0, -1.0},
-                                -1.0,  1.0,   //
+                        {1.0f, 1.0f},   {-1.0, 1.0}, {1.0, -1.0}};
-                                1.0,   -1.0,  //
-                                1.0f,  1.0f,  //
-                                -1.0,  1.0,   //
-                                1.0,   -1.0};
 
-    vertex_rectangle.set_data(6, rectangle_data, GL_STATIC_DRAW);
+    // Move the camera a bit
+    camera.translate(glm::vec3(32.0, 32.0, 32.0));
+
+    vertex_rectangle.set_data(sizeof(data), data, GL_STATIC_DRAW);
 }
 
 void MCRenderer::render(float delta) {
@@ -40,13 +40,13 @@ void MCRenderer::render(float delta) {
 
     // Bind the screen framebuffer
     glBindFramebuffer(GL_FRAMEBUFFER, 0);
-    glDrawBuffer(GL_BACK);
+    // glDrawBuffer(GL_BACK);
 
     glClearColor(0.6f, 0.9f, 0.9f, 1.0f);
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
     // Set the camera position
-    camera.translate(glm::vec3(-32.0, -32.0, -32.0));
+    camera.rotate(delta, glm::vec3(0.0, 1.0, 0.0));
 
     // Bind the camera to the rendering shader
     render_shader.setMat4("proj", camera.get_projection());
@@ -59,4 +59,6 @@ void MCRenderer::render(float delta) {
     mc_points.bind();
     glDrawArrays(GL_POINTS, 0, 64 * 64 * 64);
     glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    time_passed += delta;
 }

MCRenderer.h

@@ -21,4 +21,8 @@ class MCRenderer {
     VertexBuffer mc_points;
 
     Camera camera;
+
+    float time_passed = 0.0;
+
+    float *rectangle_data;
 };

VertexBuffer.cpp

@@ -5,7 +5,7 @@ VertexBuffer::VertexBuffer() {
     glGenBuffers(1, &vertex_buffer);
 }
 
-void VertexBuffer::set_data(unsigned int size, const void *data, int flag) {
+void VertexBuffer::set_data(int size, const void *data, int flag) {
     this->size = size;
 
     glBindVertexArray(vertex_array);

VertexBuffer.h

@@ -10,7 +10,7 @@ class VertexBuffer {
   public:
     VertexBuffer();
 
-    void set_data(unsigned int size, const void *data, int flag);
+    void set_data(int size, const void *data, int flag);
 
     void bind();
 
@@ -19,5 +19,5 @@ class VertexBuffer {
   private:
     GLuint vertex_array;
     GLuint vertex_buffer;
-    unsigned int size;
+    int size;
 };

main.cpp

@@ -54,7 +54,7 @@ int main() {
     // render loop
     // -----------
     while (!glfwWindowShouldClose(window)) {
-        renderer.render(1.0); // TODO: Proper delta
+        renderer.render(0.1); // TODO: Proper delta
 
         // glfw: swap buffers and poll IO events (keys pressed/released, mouse moved etc.)
         glfwSwapBuffers(window);