(no commit message)

[atyndall/cits2231.git] / helper.c

diff --git a/helper.c b/helper.c
index 33799d5..29e0d72 100644 (file)
--- a/helper.c
+++ b/helper.c
@@ -232,11 +232,9 @@ void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) {
 
   } else {
     // Draw square.
 
   } else {
     // Draw square.

-    // **NOTE: Is the polygon facing in the right direction?
-    // **NOTE: We're drawing large strips, which might be a lighting problem
-
+    // **NOTE: We're drawing large strips, instead of squares, which might cause a lighting problem

     glBegin(GL_QUADS);
     glBegin(GL_QUADS);

-      glNormal3f(0,1,0);
+      //glNormal3f(0,1,0);

       glVertex3f(x1, 0.0, z1);
       glVertex3f(x1, 0.0, z2);
       glVertex3f(x2, 0.0, z2);
       glVertex3f(x1, 0.0, z1);
       glVertex3f(x1, 0.0, z2);
       glVertex3f(x2, 0.0, z2);


@@ -256,24 +254,25 @@ void drawFloor() {
  * Draw x, z axis on floor
  */
 void drawLine() {
  * Draw x, z axis on floor
  */
 void drawLine() {

-    // **NOTE: fix function
-    glDisable(GL_TEXTURE_2D);
-    glDisable(GL_LIGHTING);
-    //glEnable(GL_BLEND);
-    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-    glColor3f( 0.0, 0.0, 0.0 );
-
-    glBegin(GL_LINES);
+  // **NOTE: Function does not currently draw arrow-heads
+
+  glDisable(GL_TEXTURE_2D);
+  glDisable(GL_LIGHTING);
+  glEnable(GL_BLEND);
+  glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+  glColor3f( 0.0, 0.0, 0.0 );
+
+  glBegin(GL_LINES);

     glVertex3i(  lineLength, 0.0, 0.0 );
     glVertex3i( -lineLength, 0.0, 0.0 );
     glVertex3i(  lineLength, 0.0, 0.0 );
     glVertex3i( -lineLength, 0.0, 0.0 );

-    glEnd();
+  glEnd();

 
 

-    glBegin(GL_LINES);
+  glBegin(GL_LINES);

     glVertex3i( 0.0, 0.0,  lineLength );
     glVertex3i( 0.0, 0.0, -lineLength );
     glVertex3i( 0.0, 0.0,  lineLength );
     glVertex3i( 0.0, 0.0, -lineLength );

-    glEnd();
+  glEnd();

 
 

-    //glDisable(GL_BLEND);
-    glEnable(GL_LIGHTING);
-    glEnable(GL_TEXTURE_2D);
+  glDisable(GL_BLEND);
+  glEnable(GL_LIGHTING);
+  glEnable(GL_TEXTURE_2D);

 }
\ No newline at end of file
 }
\ No newline at end of file