From ecb3c47704ccaa349ee4824b019181d700919582 Mon Sep 17 00:00:00 2001
From: raysan5 <raysan5@gmail.com>
Date: Wed, 23 Jul 2014 01:25:33 +0200
Subject: 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...
---
 src/rlgl.c   | 22 +++++++++++-----------
 src/shapes.c | 25 +++++++++++++++++++++++++
 2 files changed, 36 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/rlgl.c b/src/rlgl.c
index c181c7d6..75978e11 100644
--- a/src/rlgl.c
+++ b/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);
diff --git a/src/shapes.c b/src/shapes.c
index 2c589512..ad02de17 100644
--- a/src/shapes.c
+++ b/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
-- 
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