init

Camera.h

@@ -0,0 +1,58 @@
+#ifndef CAMERA_H
+#define CAMERA_H
+
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+
+class Camera
+{
+  public:
+    glm::vec3 position;
+    glm::vec3 target;
+    glm::vec3 direction;
+    glm::vec3 up;
+    float speed;
+
+    glm::vec3 worldUp;
+
+    Camera(float speed)
+    {
+        this->speed = speed;
+
+        this->position = glm::vec3(0.0f, 0.0f, 3.0f);
+        this->target = glm::vec3(0.0f, 0.0f, -1.0f);
+
+        this->direction = glm::normalize(this->position);
+        this->worldUp = glm::vec3(0.0f, 1.0f, 0.0f);
+
+        glm::vec3 right = glm::normalize(glm::cross(up, this->direction));
+        this->up = glm::cross(this->direction, right);
+    }
+
+    Camera(glm::vec3 pos, glm::vec3 target, float speed)
+    {
+        this->speed = speed;
+
+        this->position = pos;
+        this->target = target;
+
+        this->direction = glm::normalize(this->position - this->target);
+        this->worldUp = glm::vec3(0.0f, 1.0f, 0.0f);
+
+        glm::vec3 right = glm::normalize(glm::cross(up, this->direction));
+        this->up = glm::cross(this->direction, right);
+    }
+
+    glm::mat4 getView()
+    {
+        return glm::lookAt(this->position,
+                           this->target + this->position,
+                           this->worldUp);
+    }
+
+};
+
+#endif
+
+
+