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[atyndall/cits2231.git]
/
helper.c
diff --git
a/helper.c
b/helper.c
index
29e0d72
..
b1b0d96
100644
(file)
--- a/
helper.c
+++ b/
helper.c
@@
-235,6
+235,7
@@
void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) {
// **NOTE: We're drawing large strips, instead of squares, which might cause a lighting problem
glBegin(GL_QUADS);
//glNormal3f(0,1,0);
// **NOTE: We're drawing large strips, instead of squares, which might cause a lighting problem
glBegin(GL_QUADS);
//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(x1, 0.0, z1);
glVertex3f(x1, 0.0, z2);
glVertex3f(x2, 0.0, z2);
@@
-263,11
+264,18
@@
void drawLine() {
glColor3f( 0.0, 0.0, 0.0 );
glBegin(GL_LINES);
glColor3f( 0.0, 0.0, 0.0 );
glBegin(GL_LINES);
+ // x arrow
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();
-
- glBegin(GL_LINES);
+
+ // x arrowheads
+ glVertex3i( lineLength - 1, 0.0, 0.0 );
+ glVertex3i( -lineLength - 1, 0.0, 0.0 );
+
+ glVertex3i( lineLength - 1, 0.0, 0.0 );
+ glVertex3i( -lineLength + 1, 0.0, 0.0 );
+
+ // z arrow
glVertex3i( 0.0, 0.0, lineLength );
glVertex3i( 0.0, 0.0, -lineLength );
glEnd();
glVertex3i( 0.0, 0.0, lineLength );
glVertex3i( 0.0, 0.0, -lineLength );
glEnd();
UCC
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