From: Ash Tyndall Date: Fri, 21 Oct 2011 02:37:07 +0000 (+0800) Subject: (no commit message) X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=commitdiff_plain;h=ec50cae176e4a0ec67a756f779adbdf700362924 --- diff --git a/helper.c b/helper.c index aebdaee..18ae61a 100644 --- a/helper.c +++ b/helper.c @@ -277,15 +277,16 @@ void drawLine() { glVertex3i( lineLength, 0.0, 0.0 ); glVertex3i( lineLength - arrowLength, 0.0, -1.0 ); - glVertex3i( -lineLength, 0.0, 0.0 ); - glVertex3i( -lineLength + arrowLength, 0.0, 1.0 ); + // z arrow + glVertex3i( 0.0, 0.0, lineLength ); + glVertex3i( 0.0, 0.0, -lineLength ); - glVertex3i( -lineLength, 0.0, 0.0 ); - glVertex3i( -lineLength + arrowLength, 0.0, -1.0 ); + // z arrowheads + glVertex3i( 0.0, 0.0, lineLength ); + glVertex3i( 1.0, 0.0, lineLength - arrowLength ); - // z arrow - glVertex3i( 0.0, 0.0, lineLength ); - glVertex3i( 0.0, 0.0, -lineLength ); + glVertex3i( 0.0, 0.0, lineLength ); + glVertex3i( -1.0, 0.0, lineLength - arrowLength ); glEnd(); glDisable(GL_BLEND);