Review example formating

examples/core/core_text_file_loading.c

@@ -16,7 +16,8 @@
 ********************************************************************************************/
 
 #include "raylib.h"
-#include "raymath.h"        // For Lerp
+
+#include "raymath.h"        // Required for: Lerp()
 
 //------------------------------------------------------------------------------------
 // Program main entry point
@@ -38,35 +39,35 @@ int main(void)
         .zoom = 1
     };
 
-    // Loading file from resources/text_file.txt
+    // Loading text file from resources/text_file.txt
     const char *fileName = "resources/text_file.txt";
-    char *fileData = LoadFileText(fileName);
+    char *text = LoadFileText(fileName);
 
-    // Loading all the lines
+    // Loading all the text lines
     int lineCount = 0;
-    char **lines = LoadTextLines(fileData, &lineCount);
+    char **lines = LoadTextLines(text, &lineCount);
 
-    // Just sylistic choise
+    // Stylistic choises
     int fontSize = 20;
-    int textTop = 25 + fontSize;            // Top of the screen from where the text is rendered
+    int textTop = 25 + fontSize; // Top of the screen from where the text is rendered
     int wrapWidth = screenWidth - 20;
 
     // Wrap the lines as needed
-    for(int i = 0; i < lineCount; i++)
+    for (int i = 0; i < lineCount; i++)
     {
         int j = 0;
         int lastSpace = 0;          // Keeping track of last valid space to insert '\n'
         int lastWrapStart = 0;      // Keeping track of the start of this wrapped line.
 
-        while(lines[i][j] != '\0')
+        while (lines[i][j] != '\0')
         {
-            if(lines[i][j] == ' ')
+            if (lines[i][j] == ' ')
             {
                 // Making a C Style string by adding a '\0' at the required location so that we can use the MeasureText function
                 lines[i][j] = '\0'; 
 
                 // Checking if the text has crossed the wrapWidth, then going back and inserting a newline
-                if(MeasureText(lines[i] + lastWrapStart, fontSize) > wrapWidth)
+                if (MeasureText(lines[i] + lastWrapStart, fontSize) > wrapWidth)
                 {
                     lines[i][lastSpace] = '\n';
 
@@ -85,7 +86,7 @@ int main(void)
     // Calculating the total height so that we can show a scrollbar
     int textHeight = 0;
 
-    for(int i = 0; i < lineCount; i++)
+    for (int i = 0; i < lineCount; i++)
     {
         Vector2 size = MeasureTextEx(GetFontDefault(), lines[i], fontSize, 2);
         textHeight += size.y + 10;
@@ -96,10 +97,9 @@ int main(void)
         .x = screenWidth - 5,
         .y = 0,
         .width = 5,
-        .height = screenHeight * 100 / (textHeight - screenHeight) // Scrollbar height is just a percentage
+        .height = screenHeight*100/(textHeight - screenHeight) // Scrollbar height is just a percentage
     };
 
-
     SetTargetFPS(60);
     //--------------------------------------------------------------------------------------
 
@@ -109,16 +109,17 @@ int main(void)
         // Update
         //----------------------------------------------------------------------------------
         float scroll = GetMouseWheelMove();
-        cam.target.y -= scroll * fontSize * 1.5;                // Choosing an arbitrary speed for scroll
+        cam.target.y -= scroll*fontSize*1.5f;   // Choosing an arbitrary speed for scroll
 
-        if(cam.target.y < 0)                                    // Snapping to 0 if we go too far back
+        if (cam.target.y < 0) cam.target.y = 0;  // Snapping to 0 if we go too far back
-            cam.target.y = 0;
+    
-
+        // Ensuring that the camera does not scroll past all text 
-        if(cam.target.y > textHeight - screenHeight + textTop)  // Ensuring that the camera does not scroll past all text 
+        if (cam.target.y > textHeight - screenHeight + textTop)
             cam.target.y = textHeight - screenHeight + textTop;
 
-        // Computing the position of the scrollBar depending on the percentage of text covered.
+        // Computing the position of the scrollBar depending on the percentage of text covered
-        scrollBar.y = Lerp(textTop, screenHeight - scrollBar.height, (cam.target.y - textTop) / (textHeight - screenHeight));
+        scrollBar.y = Lerp(textTop, screenHeight - scrollBar.height, (cam.target.y - textTop)/(textHeight - screenHeight));
+        //----------------------------------------------------------------------------------
 
         // Draw
         //----------------------------------------------------------------------------------
@@ -127,17 +128,16 @@ int main(void)
             ClearBackground(RAYWHITE);
 
             BeginMode2D(cam);
-
-                Font defaultFont = GetFontDefault();
-
                 // Going through all the read lines
-                for(int i = 0, t = textTop; i < lineCount; i++)
+                for (int i = 0, t = textTop; i < lineCount; i++)
                 {
                     // Each time we go through and calculate the height of the text to move the cursor appropriately
-                    Vector2 size = MeasureTextEx(defaultFont, lines[i], fontSize, 2);
+                    Vector2 size = MeasureTextEx(GetFontDefault(), lines[i], fontSize, 2);
+                    
                     DrawText(lines[i], 10, t, fontSize, RED);
 
-                    // Inserting extra space for real newlines, wrapped lines are rendered closer together
+                    // Inserting extra space for real newlines, 
+                    // wrapped lines are rendered closer together
                     t += size.y + 10;
                 }
             EndMode2D();
@@ -155,7 +155,7 @@ int main(void)
     // De-Initialization
     //--------------------------------------------------------------------------------------
     UnloadTextLines(lines, lineCount);
-    UnloadFileText(fileData);
+    UnloadFileText(text);
 
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------