selection normal vector debug

src/graphics/LineBatch.h

@@ -15,13 +15,16 @@ public:
 	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 box(glm::vec3 xyz, glm::vec3 whd, glm::vec4 rgba) {
-		return box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
+		box(xyz.x, xyz.y, xyz.z, whd.x, whd.y, whd.z,
 				   rgba.r, rgba.g, rgba.b, rgba.a);
 	}