summaryrefslogtreecommitdiffstats
path: root/examples/opengl/samplebuffers/glwidget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'examples/opengl/samplebuffers/glwidget.cpp')
-rw-r--r--examples/opengl/samplebuffers/glwidget.cpp36
1 files changed, 10 insertions, 26 deletions
diff --git a/examples/opengl/samplebuffers/glwidget.cpp b/examples/opengl/samplebuffers/glwidget.cpp
index 381ff95..0bc17aa 100644
--- a/examples/opengl/samplebuffers/glwidget.cpp
+++ b/examples/opengl/samplebuffers/glwidget.cpp
@@ -109,44 +109,28 @@ void GLWidget::makeObject()
QColor trolltechGreen(QColor::fromCmykF(0.40, 0.0, 1.0, 0.0));
const double Pi = 3.14159265358979323846;
const int NumSectors = 15;
- GLdouble x1 = +0.06;
- GLdouble y1 = -0.14;
- GLdouble x2 = +0.14;
- GLdouble y2 = -0.06;
- GLdouble x3 = +0.08;
- GLdouble y3 = +0.00;
- GLdouble x4 = +0.30;
- GLdouble y4 = +0.22;
list = glGenLists(1);
glNewList(list, GL_COMPILE);
{
for (int i = 0; i < NumSectors; ++i) {
double angle1 = (i * 2 * Pi) / NumSectors;
- GLdouble x5 = 0.30 * sin(angle1);
- GLdouble y5 = 0.30 * cos(angle1);
- GLdouble x6 = 0.20 * sin(angle1);
- GLdouble y6 = 0.20 * cos(angle1);
+ GLdouble x1 = 0.30 * sin(angle1);
+ GLdouble y1 = 0.30 * cos(angle1);
+ GLdouble x2 = 0.20 * sin(angle1);
+ GLdouble y2 = 0.20 * cos(angle1);
double angle2 = ((i + 1) * 2 * Pi) / NumSectors;
- GLdouble x7 = 0.20 * sin(angle2);
- GLdouble y7 = 0.20 * cos(angle2);
- GLdouble x8 = 0.30 * sin(angle2);
- GLdouble y8 = 0.30 * cos(angle2);
+ GLdouble x3 = 0.20 * sin(angle2);
+ GLdouble y3 = 0.20 * cos(angle2);
+ GLdouble x4 = 0.30 * sin(angle2);
+ GLdouble y4 = 0.30 * cos(angle2);
qglColor(trolltechGreen);
- quad(GL_QUADS, x5, y5, x6, y6, x7, y7, x8, y8);
+ quad(GL_QUADS, x1, y1, x2, y2, x3, y3, x4, y4);
qglColor(Qt::black);
- quad(GL_LINE_LOOP, x5, y5, x6, y6, x7, y7, x8, y8);
+ quad(GL_LINE_LOOP, x1, y1, x2, y2, x3, y3, x4, y4);
}
-
- qglColor(trolltechGreen);
- quad(GL_QUADS, x1, y1, x2, y2, y2, x2, y1, x1);
- quad(GL_QUADS, x3, y3, x4, y4, y4, x4, y3, x3);
-
- qglColor(Qt::black);
- quad(GL_LINE_LOOP, x1, y1, x2, y2, y2, x2, y1, x1);
- quad(GL_LINE_LOOP, x3, y3, x4, y4, y4, x4, y3, x3);
}
glEndList();
}