Make it like, go faster.

src/JGL/Font.cpp

@@ -122,6 +122,8 @@ namespace JGL
 
     Vector2 Font::MeasureString(const std::string &text, float ptSize) {
 
+        // TODO: Check if a font of that size is in the cache and if so use the info from that because this is sloooooooooooooow.
+        // That'll make it go vroom vroom.
         // TODO: Work in-progress implementation unfortunately.
         // This is likely returning slightly incorrect results for likely several reasons.
         // Half-ass solution for now ~ dawsh.

src/JGL/TextRendering.cpp

@@ -121,8 +121,8 @@ namespace JGL {
         //Texture parameters are restored when the texture is bound
         glBindTexture(GL_TEXTURE_2D, *cachedFont->getTexture());
 
-        std::vector<GLfloat> vertices;
-        std::vector<GLfloat> texcoords;
+        std::vector<std::array<GLfloat, 12>> vertices(text.size());
+        std::vector<std::array<GLfloat, 12>> texcoords(text.size());
 
         for (int i = 0; i < text.length(); i++) {
             float x2, y2, w, h;
@@ -145,15 +145,13 @@ namespace JGL {
                 x2 + w, y2
             };
             auto glyph_texcoords = glyph->getTexCoords();
-
-            //TODO make it like go faster because now the profiler says this is the slowest part.
-            vertices.insert(vertices.end(), glyph_vertices.begin(), glyph_vertices.end());
-            texcoords.insert(texcoords.end(), glyph_texcoords.begin(), glyph_texcoords.end());
+            vertices[i] = glyph_vertices;
+            texcoords[i] = glyph_texcoords;
         }
 
         glVertexPointer(2, GL_FLOAT, sizeof(GLfloat) * 2, vertices.data());
         glTexCoordPointer(2, GL_FLOAT, sizeof(GLfloat) * 2, texcoords.data());
-        glDrawArrays(GL_TRIANGLES, 0, vertices.size() / 2);
+        glDrawArrays(GL_TRIANGLES, 0, vertices.size() * 6);
         glBindTexture(GL_TEXTURE_2D, 0);
     }