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Added some line strips to see where the projection quads are

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This commit is contained in:
Tats
2013-11-13 06:34:43 +01:00
parent 9059d19c5a
commit e0a2d6e78e
1 changed files with 26 additions and 0 deletions
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prototypes/wx-01-simple/main.cpp
+26
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@@ -269,7 +269,33 @@ void wxGLCanvasSubClass::Render()
}
glEnd ();
glColor3f (1, 1, 1);
// Source quad.
glLineWidth(5);
glBegin (GL_LINE_STRIP);
{
glVertex3f(src.x1 / image_width, src.y1 / image_height, 0);
glVertex3f(src.x2 / image_width, src.y2 / image_height, 0);
glVertex3f(src.x3 / image_width, src.y3 / image_height, 0);
glVertex3f(src.x4 / image_width, src.y4 / image_height, 0);
glVertex3f(src.x1 / image_width, src.y1 / image_height, 0);
}
glEnd ();
glColor3f (1, 0, 0);
// Destination quad.
glBegin (GL_LINE_STRIP);
{
glVertex3f(dst.x1 / image_width, dst.y1 / image_height, 0);
glVertex3f(dst.x2 / image_width, dst.y2 / image_height, 0);
glVertex3f(dst.x3 / image_width, dst.y3 / image_height, 0);
glVertex3f(dst.x4 / image_width, dst.y4 / image_height, 0);
glVertex3f(dst.x1 / image_width, dst.y1 / image_height, 0);
}
glEnd ();
glDisable (GL_TEXTURE_2D);
glPopMatrix ();