X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=helper.c;h=460c44a59a8ee32f5730dca4909b32098821fcf5;hp=b98439e85b9051b752e6bad0ea45d723fe2eb635;hb=2d7a16e7d0297d354fcc98be4626ec8a8331fb0d;hpb=bc40db0c36dac196dc3c7d1271d356fe315e0f56 diff --git a/helper.c b/helper.c index b98439e..460c44a 100644 --- a/helper.c +++ b/helper.c @@ -254,13 +254,14 @@ void drawFloor() { /** * Draw x, z axis on floor */ -void drawLine() { +void drawAxisLines() { // **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); + glEnable(GL_LINE_SMOOTH); glColor3f( 0.0, 0.0, 0.0 ); float arrowLength = 1.0; @@ -277,12 +278,16 @@ 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( 0.0, 0.0, lineLength ); + glVertex3i( 0.0, 0.0, -lineLength ); + + // z arrowheads + glVertex3i( 0.0, 0.0, lineLength ); + glVertex3i( 1.0, 0.0, lineLength - arrowLength ); + + glVertex3i( 0.0, 0.0, lineLength ); + glVertex3i( -1.0, 0.0, lineLength - arrowLength ); glEnd(); glDisable(GL_BLEND);