X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=helper.c;h=5903b843197c531c52de0bcbed17a9a6517208b7;hp=20ce8b5a4fcb30d71cc069e9ff8376070339a2c8;hb=9644796a64e902273a02a75c68e22da05b3a87ec;hpb=cf95a93549b83c6bddf0268f4ccb91c8854c8f2d

diff --git a/helper.c b/helper.c
index 20ce8b5..5903b84 100644
--- a/helper.c
+++ b/helper.c
@@ -216,7 +216,6 @@ int makeSubmenuFromArray( const char *menuEntries[], unsigned int menuEntriesSiz
  * @param z2 bottom-left z
  */
 void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) {
-/*
   if ( drawFloorRecurse != recurseLevel ) {
     // Calculate middle points
     float xm = (x1 + x2) / 2.0;
@@ -233,43 +232,16 @@ void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) {
 
   } else {
     // Draw square.
-    // **NOTE: Is the polygon facing in the right direction?
-
-    float xm = (x1 + x2) / 2.0;
-    drawSquare(recurseLevel, )
-
+    // **NOTE: We're drawing large strips, instead of squares, which might cause a lighting problem
     glBegin(GL_QUADS);
-      glNormal3f(0,1,0);
+      //glNormal3f(0,1,0);
+      glColor3f(1.0, 1.0, 1.0);
       glVertex3f(x1, 0.0, z1);
       glVertex3f(x1, 0.0, z2);
       glVertex3f(x2, 0.0, z2);
       glVertex3f(x2, 0.0, z1);
     glEnd();
-  }*/
-
- unsigned int GridSizeX = 100;
-	unsigned int GridSizeY = 100;
-	unsigned int SizeX = 2;
-	unsigned int SizeY = 2;
-
-  
-	for (unsigned int x =0;x<GridSizeX;++x)
-		for (unsigned int y =0;y<GridSizeY;++y)
-		{
-			if ((x+y)%2) //modulo 2
-				glColor3f(1.0f,1.0f,1.0f); //white
-			else
-				glColor3f(0.0f,0.0f,0.0f); //black
-glBegin(GL_QUADS);
-			
-			glVertex3f((x+1)*SizeX,0.0, (y+1)*SizeY);
-			glVertex3f(    x*SizeX,0.0, (y+1)*SizeY);
-      glVertex3f(    x*SizeX,0.0,     y*SizeY);
-			glVertex3f((x+1)*SizeX,0.0,     y*SizeY);
-glEnd();
-		}
-	
-
+  }
 }
 
 /**
@@ -283,24 +255,31 @@ void drawFloor() {
  * 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 );
+
+  float arrowLength = 0.5;
+
+  glBegin(GL_LINES);
+    // x arrow
     glVertex3i(  lineLength, 0.0, 0.0 );
     glVertex3i( -lineLength, 0.0, 0.0 );
-    glEnd();
+    
+    // x arrowheads
+    glVertex3i(  lineLength, 0.0, 0.0 );
+    glVertex3i(  lineLength -  arrowLength, 0.0,  arrowLength );
 
-    glBegin(GL_LINES);
+    // z arrow
     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