From: Ash Tyndall Date: Fri, 21 Oct 2011 01:43:57 +0000 (+0800) Subject: (no commit message) X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=commitdiff_plain;h=a73bfc78d5ebac0c1cb851ed8b619fbd13acea9c --- diff --git a/helper.c b/helper.c index b1b0d96..b80a513 100644 --- a/helper.c +++ b/helper.c @@ -263,17 +263,16 @@ void drawLine() { glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glColor3f( 0.0, 0.0, 0.0 ); + float arrowLength = 1.0; + glBegin(GL_LINES); // x arrow glVertex3i( lineLength, 0.0, 0.0 ); glVertex3i( -lineLength, 0.0, 0.0 ); // 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 ); + glVertex3i( lineLength, 0.0, 0.0 ); + glVertex3i( lineLength - arrowLength, 0.0, arrowLength ); // z arrow glVertex3i( 0.0, 0.0, lineLength );