minor refactor + 4 spaces indentation

src/graphics/LineBatch.h

@@ -8,29 +8,29 @@
 class Mesh;
 
 class LineBatch {
-	std::unique_ptr<Mesh> mesh;
-	float* buffer;
-	size_t index;
-	size_t capacity;
+    std::unique_ptr<Mesh> mesh;
+    float* buffer;
+    size_t index;
+    size_t capacity;
 public:
-	LineBatch(size_t capacity=4096);
-	~LineBatch();
+    LineBatch(size_t capacity=4096);
+    ~LineBatch();
 
-	inline void line(const glm::vec3 a, const glm::vec3 b, const glm::vec4 color) {
-		line(a.x, a.y, a.z, b.x, b.y, b.z, color.r, color.g, color.b, color.a); 
-	}
-	void line(float x1, float y1, float z1, float x2, float y2, float z2,
-			float r, float g, float b, float a);
-	void box(float x, float y, float z, float w, float h, float d,
-			float r, float g, float b, float a);
+    inline void line(const glm::vec3 a, const glm::vec3 b, const glm::vec4 color) {
+        line(a.x, a.y, a.z, b.x, b.y, b.z, color.r, color.g, color.b, color.a); 
+    }
+    void line(float x1, float y1, float z1, float x2, float y2, float z2,
+            float r, float g, float b, float a);
+    void box(float x, float y, float z, float w, float h, float d,
+            float r, float g, float b, float a);
 
-	inline void box(glm::vec3 xyz, glm::vec3 whd, glm::vec4 rgba) {
-		box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
-				   rgba.r, rgba.g, rgba.b, rgba.a);
-	}
+    inline void box(glm::vec3 xyz, glm::vec3 whd, glm::vec4 rgba) {
+        box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
+                   rgba.r, rgba.g, rgba.b, rgba.a);
+    }
 
-	void render();
-	void lineWidth(float width);
+    void render();
+    void lineWidth(float width);
 };
 
 #endif /* GRAPHICS_LINEBATCH_H_ */