X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=helper.c;h=0071af4b363edd656db83059dfeb4756fc6478e9;hp=33799d5f43de2458204aeb2953c0665dea62c2a2;hb=3ec168e4f99e004e9bcc18bad462a627462ba870;hpb=9971a6affb8e7135bd4cf146097042f22aa64689 diff --git a/helper.c b/helper.c index 33799d5..0071af4 100644 --- a/helper.c +++ b/helper.c @@ -232,9 +232,7 @@ void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) { } else { // Draw square. - // **NOTE: Is the polygon facing in the right direction? - // **NOTE: We're drawing large strips, which might be a lighting problem - + // **NOTE: We're drawing large strips, instead of squares, which might cause a lighting problem glBegin(GL_QUADS); glNormal3f(0,1,0); glVertex3f(x1, 0.0, z1); @@ -256,24 +254,25 @@ 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 ); + + glBegin(GL_LINES); glVertex3i( lineLength, 0.0, 0.0 ); glVertex3i( -lineLength, 0.0, 0.0 ); - glEnd(); + glEnd(); - glBegin(GL_LINES); + glBegin(GL_LINES); 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