X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=helper.c;h=9da70fe9ec4298e29a9cafd793d4ba60701d414c;hp=0d5574b975532666ffd404ac9fa2022f59b341e1;hb=29aa2161a1326899a63dbd8e5d99772b45461826;hpb=2e92315af09cad26c9d524047e2fe7d4988e0c15 diff --git a/helper.c b/helper.c index 0d5574b..9da70fe 100644 --- a/helper.c +++ b/helper.c @@ -234,7 +234,14 @@ void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) { } else { // Draw square. // **NOTE: Is the polygon facing in the right direction? + + if ( (x1 - x2) / (z1 - z2)) { + printf("(%f, %f), (%f, %f) is not square!\n", x1, z1, x2, z2); + } + + //printf("Drawing square (%f, %f), (%f, %f), (%f, %f), (%f, %f)\n", x1, z1, x1, z2, x2, z2, x2, z1); glBegin(GL_QUADS); + glNormal3f(0,1,0); glVertex3f(x1, 0.0, z1); glVertex3f(x1, 0.0, z2); glVertex3f(x2, 0.0, z2); @@ -258,7 +265,7 @@ void drawLine() { // **NOTE: fix function glDisable(GL_TEXTURE_2D); glDisable(GL_LIGHTING); - glEnable(GL_BLEND); + //glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glColor3f( 0.0, 0.0, 0.0 ); @@ -272,7 +279,7 @@ void drawLine() { glVertex3i( 0.0, 0.0, -lineLength ); glEnd(); - glDisable(GL_BLEND); + //glDisable(GL_BLEND); glEnable(GL_LIGHTING); glEnable(GL_TEXTURE_2D); } \ No newline at end of file