Corrected bug with drawing order

We have three vertex buffers: lines, triangles and quads for textures.
Drawing in a desired order could become a nighmare... noww it seems it
works prety well...

CHANGELOG

@@ -15,6 +15,7 @@ Release:     raylib 1.1.1 (22 July 2014)
 [rlgl] Removed double buffer system (no performance improvement)
 [rlgl] rlglDraw() - Reorganized buffers drawing order
 [rlgl] Corrected bug on screen resizing
+[shapes] DrawRectangle() - Use QUADS instead of TRIANGLES
 [models] DrawSphereWires() - Corrected some issues
 [models] LoadOBJ() - Redesigned to support multiple meshes
 [models] LoadCubesMap() - Loading a map as cubes (by pixel color)

src/rlgl.c

@@ -825,7 +825,17 @@ void rlglDraw()
     glUniformMatrix4fv(modelviewMatrixLoc, 1, false, GetMatrixVector(modelview));
     glUniform1i(textureLoc, 0);
     
-    // NOTE: We draw in this order: textured quads, triangles shapes, lines   
+    // NOTE: We draw in this order: triangle shapes, textured quads and lines   
+   
+    if (triangles.vCounter > 0)
+    {
+        glBindTexture(GL_TEXTURE_2D, whiteTexture);
+    
+        glBindVertexArray(vaoTriangles);
+        glDrawArrays(GL_TRIANGLES, 0, triangles.vCounter);
+        
+        glBindTexture(GL_TEXTURE_2D, 0);
+    }
    
     if (quads.vCounter > 0)
     {
@@ -855,16 +865,6 @@ void rlglDraw()
         glBindTexture(GL_TEXTURE_2D, 0);  // Unbind textures 
     }
     
-    if (triangles.vCounter > 0)
-    {
-        glBindTexture(GL_TEXTURE_2D, whiteTexture);
-    
-        glBindVertexArray(vaoTriangles);
-        glDrawArrays(GL_TRIANGLES, 0, triangles.vCounter);
-        
-        glBindTexture(GL_TEXTURE_2D, 0);
-    }
-    
     if (lines.vCounter > 0)
     {
         glBindTexture(GL_TEXTURE_2D, whiteTexture);

src/shapes.c

@@ -180,6 +180,7 @@ void DrawRectangleGradient(int posX, int posY, int width, int height, Color colo
 // Draw a color-filled rectangle (Vector version)
 void DrawRectangleV(Vector2 position, Vector2 size, Color color)
 {
+/*
     rlBegin(RL_TRIANGLES);
         rlColor4ub(color.r, color.g, color.b, color.a);
         
@@ -191,6 +192,30 @@ void DrawRectangleV(Vector2 position, Vector2 size, Color color)
         rlVertex2i(position.x + size.x, position.y + size.y);        
         rlVertex2i(position.x + size.x, position.y);
     rlEnd();
+*/    
+
+    // NOTE: This shape uses QUADS to avoid drawing order issues (view rlglDraw)
+
+    rlEnableTexture(1); // Default white texture
+
+    rlBegin(RL_QUADS);
+        rlColor4ub(color.r, color.g, color.b, color.a);
+        rlNormal3f(0.0f, 0.0f, 1.0f);                  // Normal Pointing Towards Viewer
+            
+        rlTexCoord2f(0.0f, 0.0f);                     
+        rlVertex2f(position.x, position.y);
+            
+        rlTexCoord2f(0.0f, 1.0f);             
+        rlVertex2f(position.x, position.y + size.y);
+            
+        rlTexCoord2f(1.0f, 1.0f);     
+        rlVertex2f(position.x + size.x, position.y + size.y);  
+            
+        rlTexCoord2f(1.0f, 0.0f);             
+        rlVertex2f(position.x + size.x, position.y);
+    rlEnd();
+
+    rlDisableTexture();
 }
 
 // Draw rectangle outline