Adding updateDistance to camera.

camera.cc

@@ -42,3 +42,15 @@ void Camera::updateRotation(glm::vec2 rotation) {
         this-> rotation += rotation;
     }
 }
+
+void Camera:: updateDistance(float distance) {
+    if (this->distance + distance <= 1.0f) {
+        this->distance = 1.0f;
+    }
+    else if (this->distance + distance >= 100.0f) {
+        this->distance = 100.f;
+    }
+    else {
+        this->distance += distance;
+    }
+}

camera.hh

@@ -10,6 +10,7 @@ class Camera {
         ~Camera();
         float getDistance();
         void setDistance(float distance);
+        void updateDistance(float distance); //adds to current distance
         glm::vec2 getRotation();
         void setRotation(glm::vec2 rotation);
         void updateRotation(glm::vec2 rotation); //adds to current rotation